/* Cadence - Music learning platform: student choice, teacher insight. Styles */

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --transition: all 0.2s ease;

  /* Instrument-specific accent colors */
  --guitar-color: #ea580c;
  --guitar-light: #fed7aa;
  --bass-color: #7c3aed;
  --bass-light: #ddd6fe;
  --piano-color: #0891b2;
  --piano-light: #cffafe;
  --drums-color: #dc2626;
  --drums-light: #fecaca;
  --vocals-color: #c026d3;
  --vocals-light: #f5d0fe;
  --other-color: #0d9488;
  --other-light: #ccfbf1;

  /* Default instrument color (dynamic) */
  --instrument-color: var(--primary-color);
  --instrument-light: var(--primary-light);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 9999;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.view-loading {
  display: flex;
  justify-content: center;
  padding: 3rem 0;
}

/* Login Screen */
.login-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-container {
  max-width: 400px;
  width: 100%;
}

.logo {
  text-align: center;
  color: white;
  margin-bottom: 2rem;
}

.logo h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: 1.125rem;
  opacity: 0.9;
}

.login-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.login-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.login-card p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.privacy-link {
  margin-top: 1.5rem;
  margin-bottom: 0;
  font-size: 0.85rem;
}

.privacy-link a {
  color: var(--text-secondary);
  text-decoration: none;
}

.privacy-link a:hover {
  text-decoration: underline;
}

/* Email/password auth divider */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin: 1.25rem 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-color);
}

.auth-divider span {
  padding: 0 0.75rem;
}

.auth-message {
  font-size: 0.8125rem;
  margin: -0.5rem 0 1rem;
  color: var(--text-secondary);
}

.auth-message.error {
  color: var(--danger-color);
}

.auth-toggle {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-add {
  opacity: 0.7;
  font-size: 0.875rem;
}

.btn-add:hover {
  opacity: 1;
}

/* Prominent Grade New Song button */
.btn-grade-song {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
}

.btn-grade-song:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

.btn-icon {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 14px;
  opacity: 0.6;
  transition: opacity 0.2s;
  margin-left: -4px;
}

.btn-icon:hover {
  opacity: 1;
  color: var(--primary-color);
}

.btn-icon-small {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 12px;
  opacity: 0.6;
  transition: opacity 0.2s;
  margin-left: 2px;
}

.btn-icon-small:hover {
  opacity: 1;
  color: var(--primary-color);
}

.btn-link-add {
  background: none;
  border: none;
  color: var(--secondary-color);
  cursor: pointer;
  padding: 0;
  font-size: 12px;
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.btn-link-add:hover {
  opacity: 1;
  text-decoration: underline;
}

.btn-google {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
}

/* Role Selection Screen */
.role-selection-screen {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.role-selection-container {
  max-width: 600px;
  width: 100%;
}

.role-selection-card {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
}

.role-selection-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  text-align: center;
}

.role-selection-card > p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  text-align: center;
}

.role-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.role-option-btn {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.role-option-btn:hover {
  border-color: var(--primary-color);
  background: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.role-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.role-option-btn h3 {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.role-option-btn p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .role-options {
    grid-template-columns: 1fr;
  }
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem;
  transition: var(--transition);
}

.btn-text:hover {
  color: var(--primary-dark);
}

.btn-text.btn-danger {
  background: none;
  color: #dc2626;
}

.btn-text.btn-danger:hover {
  background: none;
  color: #991b1b;
}

.contact-btn {
  text-decoration: none;
}

/* App Layout */
.app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Preview Mode Banner */
.preview-banner {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 101;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.2);
}

.preview-banner-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.preview-banner-text {
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.preview-banner-text strong {
  font-weight: 700;
  text-decoration: underline;
}

.preview-banner .btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

.app-header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo-small {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  white-space: nowrap;
}

.nav-tabs {
  display: flex;
  gap: 0.5rem;
}

.nav-tab {
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-tab:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-tab.active {
  background-color: var(--primary-color);
  color: white;
}

/* Dropdown nav groups */
.nav-dropdown-group {
  position: relative;
}

.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-dropdown-trigger .dropdown-arrow {
  font-size: 0.65rem;
  transition: transform 0.15s ease;
}

.nav-dropdown-group:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 100;
  min-width: 140px;
  padding: 4px 0 0.25rem;
}

.nav-dropdown-group:hover .nav-dropdown-menu {
  display: block;
}

.nav-dropdown-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-dropdown-item:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-dropdown-item.active {
  color: var(--primary-color);
  font-weight: 600;
}

.tab-notification-badge {
  display: inline-block;
  background: #ef4444;
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 10px;
  margin-left: 0.4rem;
  min-width: 1.2rem;
  text-align: center;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-name {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.header-school-context {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.header-school-context .school-label {
  opacity: 0.7;
  white-space: nowrap;
}

.header-school-context .school-name-static {
  font-weight: 500;
  color: var(--text-color);
  white-space: nowrap;
}

.header-school-select {
  font-size: 0.8rem;
  padding: 0.2rem 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--card-background);
  color: var(--text-color);
  cursor: pointer;
  max-width: 180px;
}

.student-classes-header {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.class-badge {
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 12px;
  white-space: nowrap;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: default;
}

/* Main Content */
.app-main {
  flex: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.view-header h2 {
  font-size: 1.875rem;
  font-weight: 700;
}

/* Instrument Selection */
.instrument-selection {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.selection-container {
  background: var(--bg-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 100%;
}

.selection-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.selection-container h2 {
  font-size: 1.5rem;
}

.selection-container p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.instrument-card {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.instrument-card:hover {
  border-color: var(--primary-color);
  background: var(--bg-primary);
}

.instrument-card .icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.instrument-card .name {
  font-weight: 600;
  font-size: 0.875rem;
}

/* Other-instrument name entry step */
.other-name-prompt {
  text-align: center;
  padding: 0.5rem 0 0.25rem;
}

.other-name-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.other-name-prompt h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.other-name-input {
  width: 100%;
  font-size: 1.25rem;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-align: center;
  outline: none;
  margin-bottom: 1.25rem;
  box-sizing: border-box;
  transition: border-color 0.15s, background 0.15s;
}

.other-name-input:focus {
  border-color: var(--primary-color);
  background: var(--bg-primary);
}

.other-name-input::placeholder {
  color: var(--text-secondary);
  font-style: italic;
}

.other-name-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

/* Instrument Selector */
.instrument-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.instrument-dropdown {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  background-color: var(--bg-primary);
  cursor: pointer;
}

/* Pathway "go to library" hint link */

/* Background Colour Selector */
.bg-color-selector {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}

.bg-color-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
}

.bg-color-swatches {
  display: flex;
  gap: 0.375rem;
  align-items: center;
}

.bg-swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  outline: 2px solid transparent;
  outline-offset: 2px;
  padding: 0;
}

.bg-swatch[data-color="default"] { background: #e2e8f0; }
.bg-swatch[data-color="lavender"] { background: #c4b5fd; }
.bg-swatch[data-color="sage"]     { background: #86efac; }
.bg-swatch[data-color="sky"]      { background: #7dd3fc; }
.bg-swatch[data-color="rose"]     { background: #fda4af; }
.bg-swatch[data-color="amber"]    { background: #fcd34d; }

.bg-swatch:hover {
  transform: scale(1.2);
  border-color: var(--text-secondary);
}

.bg-swatch.active {
  outline-color: var(--primary-color);
  border-color: var(--primary-color);
}

/* Pathway Container */
.pathway-container {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.pathway-map {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.level-node {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.level-node:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.level-node.current {
  border-color: var(--secondary-color);
  background: #f0fdf4;
}

.level-node.completed {
  border-color: var(--primary-color);
  background: #eef2ff;
}

.level-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.level-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.level-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.level-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.level-skills {
  list-style: none;
}

.level-skills li {
  padding: 0.25rem 0;
  font-size: 0.875rem;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.level-skills li::before {
  content: "•";
  color: var(--primary-color);
  font-weight: bold;
}

.branch-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.branch-node {
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.branch-node:hover {
  border-color: var(--primary-color);
}

.branch-node.selected {
  border-color: var(--secondary-color);
  background: #f0fdf4;
}

/* Instrument-specific pathway theming */
#pathway-view[data-instrument="guitar"] {
  --instrument-color: var(--guitar-color);
  --instrument-light: var(--guitar-light);
}

#pathway-view[data-instrument="bass"] {
  --instrument-color: var(--bass-color);
  --instrument-light: var(--bass-light);
}

#pathway-view[data-instrument="piano"] {
  --instrument-color: var(--piano-color);
  --instrument-light: var(--piano-light);
}

#pathway-view[data-instrument="drums"] {
  --instrument-color: var(--drums-color);
  --instrument-light: var(--drums-light);
}

#pathway-view[data-instrument="vocals"] {
  --instrument-color: var(--vocals-color);
  --instrument-light: var(--vocals-light);
}

#pathway-view[data-instrument="other"] {
  --instrument-color: var(--other-color);
  --instrument-light: var(--other-light);
}

#pathway-view .level-number,
#pathway-view .level-skills li::before,
#pathway-view .branch-badge {
  color: var(--instrument-color);
}

#pathway-view .level-node:hover,
#pathway-view .branch-node:hover {
  border-color: var(--instrument-color);
}

#pathway-view .level-node.completed {
  border-color: var(--instrument-color);
  background: var(--instrument-light);
}

/* Collapsible completed levels */
.level-details-toggle {
  margin-top: 0.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.5rem;
}

.level-details-toggle summary {
  cursor: pointer;
  font-size: 0.813rem;
  color: var(--instrument-color);
  font-weight: 500;
  padding: 0.25rem 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.level-details-toggle summary::-webkit-details-marker {
  display: none;
}

.level-details-toggle summary::before {
  content: "\25B6";
  font-size: 0.625rem;
  transition: transform 0.2s ease;
}

.level-details-toggle[open] summary::before {
  transform: rotate(90deg);
}

.level-details-toggle .level-description {
  margin-top: 0.75rem;
}

.level-node.completed .level-name {
  cursor: pointer;
}

.level-node.completed .level-name:hover {
  text-decoration: underline;
}

/* Instrument selector tabs */
.instrument-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.instrument-tab {
  padding: 0.625rem 1rem;
  border: 2px solid transparent;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.instrument-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.instrument-tab.active {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-bottom-color: var(--instrument-color);
  font-weight: 600;
}

.instrument-tab.guitar.active {
  border-bottom-color: var(--guitar-color);
}

.instrument-tab.bass.active {
  border-bottom-color: var(--bass-color);
}

.instrument-tab.piano.active {
  border-bottom-color: var(--piano-color);
}

.instrument-tab.drums.active {
  border-bottom-color: var(--drums-color);
}

.instrument-tab.vocals.active {
  border-bottom-color: var(--vocals-color);
}

.instrument-tab.other.active {
  border-bottom-color: var(--other-color);
}

/* Rename button inside an instrument tab */
.tab-rename-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.35rem;
  padding: 0 0.2rem;
  font-size: 0.75rem;
  opacity: 0.5;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  line-height: 1;
  vertical-align: middle;
}

.tab-rename-btn:hover {
  opacity: 1;
}

/* Pathway header with instrument info */
.pathway-header {
  background: linear-gradient(135deg, var(--instrument-light), #f3f4f6);
  color: var(--text-primary);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border: 2px solid var(--instrument-color);
}

.pathway-header-icon {
  font-size: 3rem;
  line-height: 1;
}

.pathway-header-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pathway-header-content p {
  font-size: 1rem;
  color: var(--text-secondary);
}

.pathway-find-songs-btn {
  margin-left: auto;
  flex-shrink: 0;
  background: var(--instrument-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.pathway-find-songs-btn:hover {
  opacity: 0.85;
}

@media (max-width: 640px) {
  .pathway-header {
    flex-wrap: wrap;
    padding: 1.25rem;
    gap: 1rem;
  }

  .pathway-find-songs-btn {
    margin-left: 0;
    width: 100%;
    white-space: normal;
  }
}

/* Song Filters */
.song-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.search-input,
.filter-select {
  padding: 0.625rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  background-color: var(--bg-primary);
}

.search-input {
  flex: 1;
  min-width: 200px;
}

.filter-select {
  min-width: 150px;
}

.results-count {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: -0.75rem 0 1rem 0;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
}

.filter-checkbox input[type="checkbox"] {
  cursor: pointer;
}

/* Songs Grid */
.songs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.song-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
}

.song-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.song-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.song-title {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.song-artist {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.song-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.song-tag {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.song-tag.level {
  background: var(--primary-light);
  color: white;
}

.song-tag.instrument {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.song-tag.students {
  background: #e0f2fe;
  color: #0369a1;
  cursor: pointer;
}

/* Trending Songs Strip */
.trending-strip-container {
  margin-bottom: 1.5rem;
}

.trending-strip-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.trending-strip-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0;
}

.trending-strip {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.trending-strip::-webkit-scrollbar {
  height: 4px;
}

.trending-strip::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 2px;
}

.trending-strip::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.trending-card {
  flex: 0 0 auto;
  width: 220px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  cursor: pointer;
  scroll-snap-align: start;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.trending-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.trending-card-title {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trending-card-artist {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trending-card-badge {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.2rem 0.5rem;
  background: #e0f2fe;
  color: #0369a1;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

/* Learning strip badge (green, distinct from trending blue) */
.learning-badge {
  background: #dcfce7;
  color: #166534;
}

.learning-card-links {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.learning-card-link {
  font-size: 0.75rem;
  color: var(--primary-color);
  text-decoration: none;
  padding: 0.15rem 0.4rem;
  background: var(--bg-secondary);
  border-radius: 4px;
  white-space: nowrap;
}

.learning-card-link:hover {
  text-decoration: underline;
}

.learning-card-resources-btn {
  border: none;
  cursor: pointer;
}

/* Song Detail Modal - Your Students Section */
.song-students-section h3 {
  margin-bottom: 0.75rem;
}

.song-students-status-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
}

.song-students-status-label.mastered {
  background: #dcfce7;
  color: #166534;
}

.song-students-status-label.learning {
  background: #e0f2fe;
  color: #0369a1;
}

.song-students-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.song-student-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.song-student-item:hover {
  background: var(--bg-secondary);
  border-color: var(--primary-color);
}

.song-student-info {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.song-student-info strong {
  font-size: 0.875rem;
}

.song-student-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.song-student-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.song-instrument-select {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
}

.song-instrument-select:hover {
  border-color: var(--primary-color);
}

.song-instrument-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-light);
}

.song-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.resource-link-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.resource-rating {
  font-size: 0.875rem;
  color: #ffd700;
  font-weight: 600;
  white-space: nowrap;
}

/* Progress View */
.progress-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--bg-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.25rem;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.progress-sections {
  display: grid;
  gap: 2rem;
}

.progress-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.song-list {
  display: grid;
  gap: 1rem;
}

.song-list-item {
  background: var(--bg-primary);
  padding: 1rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.song-list-item .info {
  flex: 1;
}

.song-list-item .title {
  font-weight: 600;
}

.song-list-item .artist {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.song-list-item .actions {
  display: flex;
  gap: 0.5rem;
}

/* Grouped song display (multi-instrument) */
.song-list-item.grouped {
  flex-direction: column;
  align-items: stretch;
}

.song-list-item.grouped .info {
  width: 100%;
}

.actions-grouped {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-color);
}

.instrument-action-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.instrument-action-label {
  min-width: 28px;
  font-size: 1.1rem;
}

.instrument-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.instrument-status-badge.learning {
  background-color: #fef3c7;
  color: #92400e;
}

.instrument-status-badge.mastered {
  background-color: #d1fae5;
  color: #065f46;
}

.instrument-status-badge .status-icon {
  font-size: 0.7rem;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  overflow-y: auto;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-small {
  max-width: 450px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.song-details-title-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.song-details-title-link:hover {
  color: var(--primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  padding: 0.25rem;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@keyframes song-card-highlight-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.5); }
  50%  { box-shadow: 0 0 0 8px rgba(99, 102, 241, 0.15); }
  100% { box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.song-card-highlight {
  animation: song-card-highlight-pulse 1.2s ease-out 2;
  outline: 2px solid var(--primary-color, #6366f1);
  outline-offset: 2px;
}

.modal-body {
  padding: 1.5rem;
}

/* Form */
.form-step {
  display: none;
}

.form-step.active {
  display: block;
}

.step-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Similar Songs Suggestions */
.similar-songs-container {
  background: var(--bg-secondary);
  border: 2px solid var(--warning-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.similar-songs-header {
  font-weight: 500;
  color: var(--warning-color);
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}

.similar-songs-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.similar-song-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  background: var(--bg-primary);
  border-radius: calc(var(--border-radius) / 2);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.similar-song-item:hover {
  border-color: var(--primary-color);
  background: rgba(99, 102, 241, 0.05);
}

.similar-song-info {
  display: flex;
  flex-direction: column;
}

.similar-song-title {
  font-weight: 500;
  color: var(--text-primary);
}

.similar-song-artist {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.similar-song-match {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

#dismiss-similar-songs {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0;
  text-decoration: underline;
}

#dismiss-similar-songs:hover {
  color: var(--primary-color);
}

.similar-instrument-already-have {
  cursor: default;
  opacity: 0.75;
}

.similar-instrument-already-have:hover {
  border-color: var(--border-color);
  background: var(--bg-primary);
}

.grading-checklist {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.checklist-item {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--border-radius);
}

.checklist-question {
  font-weight: 500;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.checklist-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checklist-options label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
  cursor: pointer;
}

.checklist-options input[type="radio"],
.checklist-options input[type="checkbox"] {
  cursor: pointer;
}

/* Grading intro text */
.grading-intro {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Chip-style answer options */
.checklist-options-chips {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.checklist-options-chips .chip-option {
  display: inline-flex;
  margin: 0;
}

.checklist-options-chips .chip-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checklist-options-chips .chip-label {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border: 1.5px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s ease;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.3;
}

.checklist-options-chips .chip-label:hover {
  border-color: var(--primary-light);
  background: var(--bg-secondary);
}

.checklist-options-chips input[type="radio"]:checked + .chip-label {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  font-weight: 500;
}

.level-suggestion {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  margin-bottom: 1.5rem;
}

.level-suggestion .suggested-level {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.form-actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Export Options */
.export-options {
  display: grid;
  gap: 1.5rem;
}

.export-option {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
}

.export-option h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.export-option p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.reflection-textarea {
  width: 100%;
  min-height: 200px;
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-primary);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-color);
  min-width: 300px;
  animation: slideIn 0.3s ease;
}

.toast.success {
  border-left-color: var(--secondary-color);
}

.toast.error {
  border-left-color: var(--danger-color);
}

.toast.warning {
  border-left-color: var(--warning-color);
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Teacher Dashboard Styles */
.teacher-view {
  min-height: 600px;
}

.classes-grid {
  display: flex;
  flex-direction: column;
  margin-top: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.class-card {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.class-card:last-child {
  border-bottom: none;
}

.class-card:hover {
  background: var(--bg-secondary);
}

.class-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex: 1;
  min-width: 0;
}

.class-card h3 {
  font-size: 1rem;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.class-card--archived {
  opacity: 0.7;
}

.class-row-meta-label {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: normal;
  margin-left: 0.75rem;
}

.class-archived-badge {
  background: var(--text-secondary);
  color: white;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.class-code-badge {
  background: var(--primary-light);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

.class-card-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
  display: flex;
  gap: 1.5rem;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Class Detail View */
.class-detail {
  margin-top: 2rem;
}

.class-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.class-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

@media (max-width: 640px) {
  .class-actions {
    justify-content: stretch;
  }
  .class-actions .btn {
    flex: 1 1 calc(50% - 0.25rem);
  }
}

.class-detail-title h2 {
  margin-bottom: 0.5rem;
}

.class-detail-meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--text-secondary);
}

.class-code-display {
  background: var(--bg-tertiary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-family: monospace;
  font-size: 1.125rem;
  letter-spacing: 0.1em;
}

.class-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
}

.class-tab {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.class-tab:hover {
  color: var(--text-primary);
}

.class-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.classes-view-tab {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.classes-view-tab:hover {
  color: var(--text-primary);
}

.classes-view-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Class Roster */
.class-roster {
  display: grid;
  gap: 1rem;
}

.roster-item {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
}

.roster-item:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.roster-student-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.roster-student-name {
  font-weight: 600;
  font-size: 1rem;
}

.roster-student-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.roster-student-instruments {
  display: flex;
  gap: 0.5rem;
  font-size: 1.25rem;
}

.roster-item-pending {
  opacity: 0.75;
  border-style: dashed;
}

.roster-pending-badge {
  display: inline-block;
  font-size: 0.6875rem;
  padding: 0.125rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
  background-color: #fef3c7;
  color: #92400e;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.admin-class-roster {
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  margin-top: 0.25rem;
}

.admin-class-roster-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.admin-class-roster .roster-item {
  cursor: default;
  padding: 0.75rem;
}

/* Progress Heatmap */
.progress-heatmap {
  overflow-x: auto;
  margin-top: 1rem;
}

.heatmap-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-primary);
}

.heatmap-table th,
.heatmap-table td {
  padding: 0.75rem;
  text-align: center;
  border: 1px solid var(--border-color);
}

.heatmap-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

.heatmap-table th:first-child {
  text-align: left;
  position: sticky;
  left: 0;
  z-index: 11;
}

.heatmap-table td:first-child {
  text-align: left;
  font-weight: 500;
  position: sticky;
  left: 0;
  background: var(--bg-primary);
  z-index: 9;
}

.heatmap-cell {
  background: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.heatmap-cell:hover {
  opacity: 0.8;
}

.heatmap-cell.level-1 { background: #dbeafe; color: #1e40af; }
.heatmap-cell.level-2 { background: #a5b4fc; color: #3730a3; }
.heatmap-cell.level-3 { background: #818cf8; color: white; }
.heatmap-cell.level-4 { background: #6366f1; color: white; }
.heatmap-cell.level-5 { background: #4f46e5; color: white; }

/* Timeline */
.class-timeline {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.timeline-item {
  background: var(--bg-primary);
  border-left: 4px solid var(--primary-color);
  padding: 1rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.5rem;
}

.timeline-student {
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-time {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.timeline-content {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.timeline-highlight {
  color: var(--primary-color);
  font-weight: 500;
}

/* Flagged Ratings */
.flagged-ratings-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.flagged-card {
  background: var(--bg-primary);
  border: 2px solid var(--warning-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
}

.flagged-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.flagged-song-title {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.flagged-song-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.flagged-warning {
  background: #fef3c7;
  color: #92400e;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
}

.flagged-ratings {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.flagged-rating-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.flagged-student-name {
  font-weight: 500;
  font-size: 0.875rem;
}

.flagged-level {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
}

.flagged-resolve {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.flagged-resolve label {
  font-weight: 500;
  font-size: 0.875rem;
}

.resolve-level-select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  min-width: 200px;
}

/* Join Class Section */
.join-class-section {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  margin-top: 2rem;
  text-align: center;
}

.join-class-section h3 {
  margin-bottom: 0.5rem;
}

.join-class-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.join-class-form {
  display: flex;
  gap: 1rem;
  max-width: 400px;
  margin: 0 auto 2rem;
  align-items: stretch;
}

.join-class-form input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  font-family: monospace;
}

.student-classes-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.student-class-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.student-class-info h4 {
  margin-bottom: 0.25rem;
}

.student-class-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.student-classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.student-class-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  transition: var(--transition);
}

.student-class-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.class-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
}

.class-year-badge {
  background: var(--primary-color);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.class-school-label {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.125rem;
}

.class-card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.813rem;
  color: var(--text-secondary);
}

.class-card-meta strong {
  color: var(--text-primary);
  font-family: monospace;
  font-size: 0.875rem;
}

/* Modal sizes */
.modal-large .modal-content {
  max-width: 900px;
}

.modal-small .modal-content {
  max-width: 500px;
}

/* Student Detail Content */
.student-detail-content {
  display: grid;
  gap: 2rem;
}

.student-instruments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
}

.student-instrument-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
}

.student-instrument-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.student-progress-info {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.student-songs-list {
  display: grid;
  gap: 0.5rem;
}

.student-song-item {
  padding: 0.5rem;
  background: var(--bg-primary);
  border-radius: 4px;
  font-size: 0.875rem;
}

.student-song-item.clickable-song {
  cursor: pointer;
  transition: background 0.15s, text-decoration 0.15s;
}

.student-song-item.clickable-song:hover {
  background: var(--bg-hover, #e8e8e8);
  text-decoration: underline;
}

/* Admin Dashboard Styles */
.admin-view {
  min-height: 600px;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.admin-stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
}

.admin-stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.admin-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-section-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.admin-section-tab {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}

.admin-section-tab:hover {
  color: var(--text-primary);
}

.admin-section-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.admin-section {
  display: none;
}

.admin-section.active {
  display: block;
}

.admin-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-section-header h3 {
  font-size: 1.5rem;
  margin: 0;
}

.admin-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* Levels List */
.levels-list {
  display: grid;
  gap: 1rem;
}

.level-admin-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.level-admin-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.level-admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.level-admin-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.level-admin-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.level-admin-actions {
  display: flex;
  gap: 0.5rem;
}

.level-admin-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.level-admin-skills {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
}

.level-admin-skills h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.level-admin-skills ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.level-admin-skills li {
  padding: 0.25rem 0;
  font-size: 0.875rem;
}

.level-admin-skills li::before {
  content: "•";
  color: var(--primary-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* Instruments Admin List */
.instruments-admin-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.instrument-admin-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.instrument-admin-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.instrument-admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.instrument-admin-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.instrument-admin-icon {
  font-size: 3rem;
  line-height: 1;
}

.instrument-admin-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.instrument-admin-order {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.instrument-admin-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.instrument-admin-stats {
  display: flex;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.instrument-admin-actions {
  display: flex;
  gap: 0.5rem;
}

/* Content Moderation List */
.content-moderation-list {
  display: grid;
  gap: 1.5rem;
}

.content-mod-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
}

.content-mod-card.pending {
  border-color: var(--warning-color);
  background: #fffbeb;
}

.content-mod-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.content-mod-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.content-mod-meta {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.content-mod-status {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
}

.content-mod-status.approved {
  background: #d1fae5;
  color: #065f46;
}

.content-mod-status.pending {
  background: #fef3c7;
  color: #92400e;
}

.content-mod-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.content-mod-detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.content-mod-detail-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.content-mod-detail-value {
  font-size: 1rem;
  color: var(--text-primary);
}

.content-mod-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Merge Duplicates */
.duplicates-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.duplicates-section h3 {
  margin-bottom: 0.5rem;
}

.duplicates-list {
  display: grid;
  gap: 1rem;
}

.duplicate-pair-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: var(--transition);
}

.duplicate-pair-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.duplicate-pair-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.duplicate-pair-score {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
  background: #fef3c7;
  color: #92400e;
}

.duplicate-pair-score.high {
  background: #fee2e2;
  color: #991b1b;
}

.back-to-top-container {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.back-to-top-btn {
  font-size: 0.95rem;
  padding: 0.6rem 1.5rem;
}

.duplicate-pair-songs {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.duplicate-song-info {
  padding: 1rem;
  border-radius: var(--border-radius);
  background: var(--bg-secondary);
}

.duplicate-song-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.duplicate-song-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.duplicate-song-title a:hover {
  text-decoration: underline;
}

.duplicate-song-artist {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.duplicate-song-stats {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.duplicate-pair-vs {
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.duplicate-pair-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Merge Modal Comparison */
.merge-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.merge-song-option {
  padding: 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.merge-song-option:hover {
  border-color: var(--primary-color);
  background: var(--bg-secondary);
}

.merge-song-option.selected {
  border-color: var(--primary-color);
  background: #eff6ff;
  box-shadow: 0 0 0 1px var(--primary-color);
}

.merge-song-option .merge-keep-badge {
  display: none;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--primary-color);
  color: white;
  margin-bottom: 0.75rem;
}

.merge-song-option.selected .merge-keep-badge {
  display: inline-block;
}

.merge-song-option .merge-delete-badge {
  display: none;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--error-color);
  color: white;
  margin-bottom: 0.75rem;
}

.merge-song-option:not(.selected) .merge-delete-badge {
  display: inline-block;
}

.merge-song-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.merge-song-artist {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.merge-song-detail {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.875rem;
}

.merge-song-detail:last-child {
  border-bottom: none;
}

.merge-song-detail-label {
  color: var(--text-secondary);
}

.merge-song-detail-value {
  font-weight: 500;
}

@media (max-width: 768px) {
  .duplicate-pair-songs {
    grid-template-columns: 1fr;
  }
  .duplicate-pair-vs {
    text-align: center;
  }
  .merge-comparison {
    grid-template-columns: 1fr;
  }
}

/* Users List */
.users-list {
  display: grid;
  gap: 1rem;
}

.user-admin-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.user-admin-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.user-admin-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.user-admin-name {
  font-weight: 600;
  font-size: 1rem;
}

.user-admin-email {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.user-admin-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-role-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
}

.user-role-badge.student {
  background: #dbeafe;
  color: #1e40af;
}

.user-role-badge.teacher {
  background: #dcfce7;
  color: #166534;
}

.user-role-badge.admin {
  background: #fce7f3;
  color: #9f1239;
}

.user-admin-stats {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Button variations */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.875rem;
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #dc2626;
}

/* Song card kebab menu */
.song-card-menu-wrap {
  position: relative;
  flex-shrink: 0;
}

.song-card-menu-btn {
  background: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
  padding: 0.25rem 0.5rem;
  font-size: 1.25rem;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition);
}

.song-card-menu-btn:hover {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.song-card-menu-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.25rem);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-md);
  min-width: 160px;
  z-index: 100;
  overflow: hidden;
}

.song-card-menu-dropdown.open {
  display: block;
}

.song-card-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: background 0.15s;
}

.song-card-menu-item:hover {
  background: var(--bg-secondary);
}

.song-card-menu-item.danger {
  color: var(--danger-color);
}

.song-card-menu-item.danger:hover {
  background: #fef2f2;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-tabs {
    width: 100%;
    justify-content: center;
  }

  .nav-tab {
    flex: 1;
    text-align: center;
    font-size: 0.75rem;
    padding: 0.5rem 0.25rem;
  }

  .user-menu {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  .user-name {
    display: none;
  }

  .view-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .songs-grid {
    grid-template-columns: 1fr;
  }

  .branch-container {
    grid-template-columns: 1fr;
  }

  .student-song-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .student-song-header-right {
    flex-shrink: 1;
    flex-wrap: wrap;
    width: 100%;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions button {
    width: 100%;
  }
}

/* Filter Banner */
.filter-banner {
  background-color: var(--primary-light);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filter-banner span {
  font-weight: 500;
}

.filter-banner-close {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  padding: 0.375rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-banner-close:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* Print Styles */
@media print {
  .app-header,
  .btn,
  .song-actions,
  .form-actions,
  .modal-close,
  .filter-banner {
    display: none !important;
  }

  .app-main {
    padding: 0;
  }

  .level-node,
  .song-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  body {
    background: white;
  }

  .pathway-container,
  .song-card {
    box-shadow: none;
    border: 1px solid #000;
  }
}

/* Rating Stars */
.rating-group {
  padding: 1rem;
  background-color: var(--bg-secondary);
  border-radius: var(--border-radius);
}

.rating-stars {
  display: flex;
  gap: 0.5rem;
  font-size: 2rem;
  margin-top: 0.5rem;
  user-select: none;
}

.rating-stars .star {
  cursor: pointer;
  color: #ddd;
  transition: color 0.2s ease;
}

.rating-stars .star:hover,
.rating-stars .star.active {
  color: #ffd700;
}

.rating-stars .star.hovered {
  color: #ffd700;
}

/* ========================================
   Student Resources & Multiple Tutorials
   ======================================== */

.resources-section {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  background-color: var(--bg-secondary);
}

.resources-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.resources-section-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.resources-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.resource-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 0.75rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
}

.resource-item.pending {
  border-color: var(--warning-color);
  background-color: #fffbeb;
}

.resource-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-tertiary);
  border-radius: var(--border-radius);
}

.resource-content {
  flex: 1;
  min-width: 0;
}

.resource-title {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.resource-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.resource-title a:hover {
  text-decoration: underline;
}

.resource-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.resource-meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.resource-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.resource-badge {
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  font-weight: 500;
}

.resource-badge.pending {
  background-color: #fef3c7;
  color: #92400e;
}

.resource-badge.approved {
  background-color: #d1fae5;
  color: #065f46;
}

.resource-badge.instrument {
  background-color: #dbeafe;
  color: #1e40af;
}

.resource-badge.universal {
  background-color: #f3e8ff;
  color: #6b21a8;
}

.empty-resources {
  text-align: center;
  padding: 1.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.resource-badge.type-tutorial {
  background-color: #ede9fe;
  color: #5b21b6;
}

.resource-badge.song-link {
  background-color: #ccfbf1;
  color: #0f766e;
}

/* Song card resources button */
.btn-resources {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.resource-count {
  background-color: var(--primary-color);
  color: white;
  font-size: 0.6875rem;
  padding: 0.0625rem 0.375rem;
  border-radius: 10px;
  font-weight: 600;
}

/* Underline Resources button when resources exist */
.btn-resources.has-resources {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Small button variant */
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

/* ============================================
   ACCOUNT MANAGEMENT VIEW
   ============================================ */

.accounts-section {
  margin-bottom: 2rem;
}

.accounts-section h3 {
  margin-bottom: 0.25rem;
}

.section-description {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.accounts-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.accounts-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.account-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.account-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.account-info {
  flex: 1;
  min-width: 0;
}

.account-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.account-email {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-top: 0.125rem;
}

.account-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .account-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.625rem;
  }

  .account-meta {
    width: 100%;
    justify-content: space-between;
  }
}

.delete-warning {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--border-radius);
  padding: 1rem;
}

.delete-warning p {
  margin: 0;
}

/* ============================================
   TEACHER: Student Songs View
   ============================================ */

.student-songs-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.student-song-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  transition: border-color 0.15s;
}

.student-song-item:hover {
  border-color: var(--primary-color);
}

.student-song-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.student-song-header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.song-resource-link {
  display: inline-block;
  padding: 0.2rem 0.625rem;
  border-radius: var(--border-radius);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  white-space: nowrap;
  transition: border-color 0.15s, background 0.15s;
}

.song-resource-link:hover {
  border-color: var(--primary-color);
  background: #eef2ff;
  color: var(--primary-color);
}

.song-resource-link--youtube {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #b91c1c;
}

.song-resource-link--youtube:hover {
  background: #fee2e2;
  border-color: #ef4444;
  color: #991b1b;
}

.student-song-links {
  margin-left: auto;
  flex-shrink: 0;
}

.student-song-title {
  font-weight: 600;
  font-size: 0.9375rem;
}

.student-song-artist {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  margin-top: 0.125rem;
}

.student-song-instruments {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.student-song-instrument-row {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.student-song-instrument-row .instrument-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  font-size: 0.8125rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.student-song-students {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.student-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: #e5e7eb;
  color: #1f2937;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.student-song-count {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ============================================
   SCHOOL VIEW
   ============================================ */

/* Setup: create/join flow */
.school-setup {
  display: flex;
  justify-content: center;
  padding: 3rem 1rem;
}

.school-setup-container {
  max-width: 700px;
  width: 100%;
  text-align: center;
}

.school-setup-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.school-setup-container h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.school-setup-subtitle {
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  font-size: 1rem;
}

.school-setup-cards {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.school-setup-card {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  text-align: left;
  box-shadow: var(--shadow-sm);
}

.school-setup-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.school-setup-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.school-setup-divider {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding-top: 3rem;
  flex-shrink: 0;
}

.school-form-group {
  margin-bottom: 1rem;
}

.school-input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  box-sizing: border-box;
}

.school-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.school-code-input {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-family: monospace;
  font-size: 1.1rem;
}

/* Dashboard header */
.school-join-code-display {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  font-family: monospace;
  letter-spacing: 0.1em;
}

/* Stats */
.school-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.school-stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

.school-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 0.375rem;
}

.school-stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Instruments */
.school-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8125rem;
}

.school-instruments {
  margin-bottom: 1.5rem;
}

.school-instruments-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.school-instrument-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
}

.school-instrument-chip--sm {
  padding: 0.2rem 0.5rem;
  font-size: 0.8125rem;
}

.school-instrument-count {
  font-weight: 600;
  color: var(--primary-color);
}

.school-instrument-chip--clickable {
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.school-instrument-chip--clickable:hover {
  background: var(--bg-hover);
  border-color: var(--primary-color);
}

.instrument-sort-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.instrument-sort-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-right: 0.25rem;
}

.instrument-sort-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 2rem;
  padding: 0.3rem 0.875rem;
  font-size: 0.8125rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.instrument-sort-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.instrument-sort-btn.active {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
}

/* Tabs */
.school-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.5rem;
}

.school-tab {
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.school-tab:hover {
  color: var(--text-primary);
}

.school-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.school-tab-pane {
  /* No special base styling needed */
}

/* Admin school list cards */
.admin-school-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-secondary);
  border-radius: 10px;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: background 0.15s;
}

.admin-school-card:hover {
  background: var(--bg-hover);
}

.admin-school-card-info {
  flex: 1;
}

.admin-school-card-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.admin-school-card-meta {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.admin-school-card-stats {
  display: flex;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.admin-school-card-arrow {
  font-size: 1.4rem;
  color: var(--text-secondary);
  line-height: 1;
}

/* Assign members panel */
.assign-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin: 0 0 0.75rem;
}

.assign-section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}


.assign-teachers-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.assign-teacher-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.assign-teacher-row:hover {
  background: var(--bg-hover);
}

.assign-teacher-row input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--primary);
}

.assign-teacher-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.assign-teacher-name {
  font-weight: 500;
  color: var(--text-primary);
}

.assign-teacher-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Teacher cards */
.school-teachers-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.school-teacher-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-sm);
}

.school-teacher-info {
  flex: 1;
}

.school-teacher-name {
  font-weight: 600;
  margin-bottom: 0.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.school-teacher-meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.school-teacher-stats {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.school-teacher-actions {
  display: flex;
  gap: 0.5rem;
}

.school-role-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--primary-color);
  color: white;
  padding: 0.15rem 0.5rem;
  border-radius: 2rem;
}

.school-role-badge--self {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

/* Students list */
.school-students-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.school-student-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.school-remove-btn {
  white-space: nowrap;
}

.btn-danger {
  background: var(--color-danger, #dc3545);
  color: #fff;
  border: none;
}

.btn-danger:hover {
  background: var(--color-danger-hover, #b02a37);
}

.school-student-row:last-child {
  border-bottom: none;
}

.school-student-row:nth-child(even) {
  background: var(--bg-secondary);
}

.school-student-row--clickable {
  cursor: pointer;
}

.school-student-row--clickable:hover {
  background: #eef2ff;
}

.school-student-name {
  font-weight: 500;
}

.school-student-class {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.school-student-instruments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.school-student-counts {
  color: var(--text-secondary);
  font-size: 0.8125rem;
  display: flex;
  gap: 0.25rem;
}

@media (max-width: 600px) {
  .school-setup-cards {
    flex-direction: column;
  }
  .school-setup-divider {
    padding-top: 0;
    text-align: center;
  }
  .school-stats-grid {
    grid-template-columns: 1fr 1fr;
  }
  .school-student-row {
    grid-template-columns: 1fr 1fr auto;
    grid-template-rows: auto auto;
  }
  .school-student-instruments,
  .school-student-counts {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   Toggle switch for school settings
   ============================================================ */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border-color);
  border-radius: 26px;
  transition: background-color 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--primary-color, #6366f1);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

/* School settings panel */
.school-setting-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--surface-elevated, var(--surface));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 0.75rem;
}

.school-setting-info {
  flex: 1;
}

.school-setting-info strong {
  display: block;
  margin-bottom: 0.25rem;
}

.school-setting-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* =====================================================
 * Plan Limits Banner
 * ===================================================== */

.plan-limits-banner {
  background: var(--surface);
  border-bottom: 1px solid var(--border-color);
  padding: 0.4rem 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.plan-limits-banner::before {
  content: '📋';
  font-size: 0.9rem;
}

/* =====================================================
 * Trial Banner
 * ===================================================== */

.trial-banner {
  background: #eff6ff;
  border-bottom: 1px solid #bfdbfe;
  padding: 0.45rem 1.5rem;
  font-size: 0.8125rem;
  color: #1e40af;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.trial-banner.trial-urgent {
  background: #fff7ed;
  border-bottom-color: #fed7aa;
  color: #92400e;
}

.trial-banner a {
  color: inherit;
  font-weight: 600;
  text-decoration: underline;
}

.trial-banner a:hover {
  opacity: 0.8;
}

.trial-banner-dismiss {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  color: inherit;
  opacity: 0.55;
  padding: 0.125rem 0.25rem;
  flex-shrink: 0;
  line-height: 1;
}

.trial-banner-dismiss:hover {
  opacity: 1;
}

/* =====================================================
 * Bulk-add modal: plan limit notices
 * ===================================================== */

.plan-limit-warning {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

.plan-limit-info {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
  border-radius: var(--border-radius);
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
}

/* =====================================================
 * School Invite Panel
 * ===================================================== */

.school-invite-panel {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1rem 1.25rem;
}

.school-join-code-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* =====================================================
 * Subscription Expired Overlay
 * Shown when a teacher's subscription has lapsed.
 * Students are never shown this overlay.
 * ===================================================== */

.subscription-expired-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.subscription-expired-overlay.hidden {
  display: none;
}

.subscription-expired-card {
  background: var(--surface);
  border-radius: 1rem;
  padding: 2.5rem 2rem;
  max-width: 28rem;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.sub-expired-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.subscription-expired-card h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary, #1e293b);
}

.subscription-expired-card p {
  color: var(--text-secondary, #64748b);
  font-size: 0.9375rem;
  line-height: 1.55;
  margin-bottom: 0.75rem;
}

.sub-expired-note {
  font-size: 0.8125rem !important;
  color: var(--text-tertiary, #94a3b8) !important;
}

.sub-expired-cta {
  display: inline-block;
  margin-top: 1rem;
  margin-bottom: 0.75rem;
  text-decoration: none;
  padding: 0.75rem 2rem;
  border-radius: var(--border-radius, 0.5rem);
  font-weight: 600;
}

.sub-expired-logout {
  display: block;
  margin: 0 auto;
  font-size: 0.875rem;
  color: var(--text-secondary, #64748b);
}

/* ============================================================
   Admin: Schools table with subscription info
   ============================================================ */
.admin-schools-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.admin-schools-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.admin-schools-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.admin-schools-table tr:last-child td {
  border-bottom: none;
}

.admin-schools-table tr:hover td {
  background: var(--bg-hover);
}

.admin-schools-table tr.school-row-lapsed td,
.admin-schools-table tr.school-row-expired td,
.admin-schools-table tr.school-row-none td {
  background: color-mix(in srgb, var(--error-color) 6%, transparent);
}

.admin-schools-table tr.school-row-lapsed:hover td,
.admin-schools-table tr.school-row-expired:hover td,
.admin-schools-table tr.school-row-none:hover td {
  background: color-mix(in srgb, var(--error-color) 10%, transparent);
}

.admin-schools-table .school-name-cell {
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
}

.admin-schools-table .school-name-cell:hover {
  text-decoration: underline;
}

/* Subscription status badge */
.sub-status-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
  white-space: nowrap;
}

.sub-status-badge.active,
.sub-status-badge.trialing {
  background: color-mix(in srgb, var(--success-color, #22c55e) 15%, transparent);
  color: var(--success-color, #16a34a);
}

.sub-status-badge.lapsed,
.sub-status-badge.expired {
  background: color-mix(in srgb, var(--error-color, #ef4444) 15%, transparent);
  color: var(--error-color, #dc2626);
}

.sub-status-badge.cancelled {
  background: color-mix(in srgb, var(--text-secondary) 15%, transparent);
  color: var(--text-secondary);
}

.sub-status-badge.none {
  background: color-mix(in srgb, var(--warning-color, #f59e0b) 15%, transparent);
  color: var(--warning-color, #d97706);
}

/* Unassigned students table */
.unassigned-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.unassigned-table th {
  text-align: left;
  padding: 0.6rem 0.75rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.unassigned-table td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.unassigned-table tr:last-child td {
  border-bottom: none;
}

.unassigned-table tr:hover td {
  background: var(--bg-hover);
}

.scroll-to-top-btn {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  z-index: 900;
}

.scroll-to-top-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.scroll-to-top-btn.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
}