/* SongList Application Styles - Chrome Dark Mode Inspired */

:root {
  /* Light mode variables - ADA compliant */
  --bs-body-bg: #ffffff;
  --bs-body-color: #202124;
  --bs-border-color: #dadce0;
  --bs-card-bg: #ffffff;
  --bs-navbar-bg: #1976d2;
  --bs-navbar-color: #ffffff;
  --bs-primary: #1a73e8;
  --bs-secondary: #5f6368;
  --bs-success: #137333;
  --bs-info: #0b57d0;
  --bs-warning: #ea8600;
  --bs-danger: #d93025;
  --bs-light: #f8f9fa;
  --bs-dark: #202124;
  --bs-muted: #5f6368;
  
  /* Input and form colors */
  --input-bg: #ffffff;
  --input-border: #dadce0;
  --input-focus-border: #1a73e8;
  --input-color: #202124;
  
  /* Interactive elements */
  --hover-bg: #f1f3f4;
  --active-bg: #e8f0fe;
  
  /* Shadow and effects */
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --shadow-md: 0 1px 2px 0 rgba(60,64,67,0.3), 0 2px 6px 2px rgba(60,64,67,0.15);
  --shadow-lg: 0 4px 8px 0 rgba(60,64,67,0.3), 0 6px 20px 4px rgba(60,64,67,0.15);
  
  /* Transition */
  --transition: all 0.2s cubic-bezier(0.4, 0.0, 0.2, 1);
}

/* Dark mode variables - Chrome inspired with ADA compliance */
[data-theme="dark"] {
  --bs-body-bg: #202124;
  --bs-body-color: #e8eaed;
  --bs-border-color: #3c4043;
  --bs-card-bg: #303134;
  --bs-navbar-bg: #202124;
  --bs-navbar-color: #e8eaed;
  --bs-primary: #8ab4f8;
  --bs-secondary: #9aa0a6;
  --bs-success: #81c995;
  --bs-info: #8ab4f8;
  --bs-warning: #fdd663;
  --bs-danger: #f28b82;
  --bs-light: #3c4043;
  --bs-dark: #202124;
  --bs-muted: #9aa0a6;
  
  /* Input and form colors */
  --input-bg: #303134;
  --input-border: #5f6368;
  --input-focus-border: #8ab4f8;
  --input-color: #e8eaed;
  
  /* Interactive elements */
  --hover-bg: #3c4043;
  --active-bg: #5f6368;
  
  /* Dark mode shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.6), 0 1px 3px 1px rgba(0,0,0,0.4);
  --shadow-md: 0 1px 2px 0 rgba(0,0,0,0.6), 0 2px 6px 2px rgba(0,0,0,0.4);
  --shadow-lg: 0 4px 8px 0 rgba(0,0,0,0.6), 0 6px 20px 4px rgba(0,0,0,0.4);
}

/* Base styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px; /* Base font size for accessibility */
}

body {
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  transition: var(--transition);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.5; /* ADA recommended line height */
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
}

button:focus,
.btn:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
}

/* Skip link for screen readers */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--bs-primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 1000;
}

.skip-link:focus {
  top: 6px;
}

/* Theme toggle button */
.theme-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1050;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bs-card-bg);
  color: var(--bs-body-color);
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  cursor: pointer;
}

.theme-toggle:hover {
  background: var(--hover-bg);
  box-shadow: var(--shadow-lg);
}

.theme-toggle:focus {
  outline: 2px solid var(--bs-primary);
  outline-offset: 2px;
}

/* Navigation */
.navbar {
  background-color: var(--bs-navbar-bg) !important;
  border-bottom: 1px solid var(--bs-border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  min-height: 64px;
}

.navbar-brand {
  font-weight: 500;
  font-size: 1.375rem;
  color: var(--bs-navbar-color) !important;
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--bs-navbar-color) !important;
  opacity: 0.9;
}

.navbar-nav .nav-link {
  color: var(--bs-navbar-color) !important;
  font-weight: 400;
  font-size: 0.875rem;
  padding: 12px 16px !important;
  transition: var(--transition);
  text-decoration: none;
}

.navbar-nav .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Cards */
.card {
  background-color: var(--bs-card-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--bs-border-color);
  padding: 16px 20px;
  font-weight: 500;
}

.card-body {
  padding: 20px;
}

.card-title {
  color: var(--bs-body-color);
  font-weight: 500;
  font-size: 1.125rem;
}

.card-text {
  color: var(--bs-muted);
  line-height: 1.5;
}

/* Forms */
.form-label {
  color: var(--bs-body-color);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 8px;
}

.form-control, 
.form-select {
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--input-color);
  border-radius: 4px;
  padding: 12px 16px;
  font-size: 0.875rem;
  transition: var(--transition);
  line-height: 1.5;
}

.form-control:focus, 
.form-select:focus {
  border-color: var(--input-focus-border);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
  background-color: var(--input-bg);
  color: var(--input-color);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  box-shadow: 0 0 0 3px rgba(138, 180, 248, 0.2);
}

.form-control::placeholder {
  color: var(--bs-muted);
  opacity: 1;
}

.form-text {
  color: var(--bs-muted);
  font-size: 0.75rem;
  line-height: 1.5;
  margin-top: 4px;
}

/* Buttons */
.btn {
  transition: var(--transition);
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.875rem;
  padding: 8px 16px;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  cursor: pointer;
  line-height: 1.5;
}

.btn-primary {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #1557b0;
  border-color: #1557b0;
  color: #ffffff;
}

[data-theme="dark"] .btn-primary {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
  color: var(--bs-dark);
}

[data-theme="dark"] .btn-primary:hover {
  background-color: #aecbfa;
  border-color: #aecbfa;
  color: var(--bs-dark);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

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

.btn-success {
  background-color: var(--bs-success);
  border-color: var(--bs-success);
  color: #ffffff;
}

[data-theme="dark"] .btn-success {
  background-color: var(--bs-success);
  border-color: var(--bs-success);
  color: var(--bs-dark);
}

.btn-outline-primary {
  background-color: transparent;
  border-color: var(--bs-primary);
  color: var(--bs-primary);
}

.btn-outline-primary:hover {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
  color: #ffffff;
}

[data-theme="dark"] .btn-outline-primary:hover {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
  color: var(--bs-dark);
}

.btn-outline-secondary {
  background-color: transparent;
  border-color: var(--bs-border-color);
  color: var(--bs-muted);
}

.btn-outline-secondary:hover {
  background-color: var(--hover-bg);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

/* Badges */
.badge {
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 8px;
  line-height: 1.2;
}

.badge.bg-success {
  background-color: var(--bs-success) !important;
  color: #ffffff;
}

[data-theme="dark"] .badge.bg-success {
  background-color: var(--bs-success) !important;
  color: var(--bs-dark) !important;
}

.badge.bg-warning {
  background-color: var(--bs-warning) !important;
  color: var(--bs-dark);
}

.badge.bg-danger {
  background-color: var(--bs-danger) !important;
  color: #ffffff;
}

[data-theme="dark"] .badge.bg-danger {
  background-color: var(--bs-danger) !important;
  color: var(--bs-dark) !important;
}

.badge.bg-secondary {
  background-color: var(--bs-secondary) !important;
  color: #ffffff;
}

[data-theme="dark"] .badge.bg-secondary {
  background-color: var(--bs-secondary) !important;
  color: var(--bs-dark) !important;
}

.badge.bg-info {
  background-color: var(--bs-info) !important;
  color: #ffffff;
}

[data-theme="dark"] .badge.bg-info {
  background-color: var(--bs-info) !important;
  color: var(--bs-dark) !important;
}

.badge.bg-light {
  background-color: var(--bs-light) !important;
  color: var(--bs-body-color) !important;
}

/* Tables */
.table {
  --bs-table-bg: transparent;
  color: var(--bs-body-color);
  border-color: var(--bs-border-color);
}

.table th {
  color: var(--bs-body-color);
  font-weight: 500;
  border-color: var(--bs-border-color);
}

.table td {
  border-color: var(--bs-border-color);
}

/* Alerts */
.alert {
  border-radius: 4px;
  border: 1px solid transparent;
  padding: 12px 16px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.alert-success {
  background-color: #e6f4ea;
  border-color: var(--bs-success);
  color: #137333;
}

[data-theme="dark"] .alert-success {
  background-color: rgba(129, 201, 149, 0.1);
  border-color: var(--bs-success);
  color: var(--bs-success);
}

.alert-danger {
  background-color: #fce8e6;
  border-color: var(--bs-danger);
  color: #d93025;
}

[data-theme="dark"] .alert-danger {
  background-color: rgba(242, 139, 130, 0.1);
  border-color: var(--bs-danger);
  color: var(--bs-danger);
}

.alert-warning {
  background-color: #fef7e0;
  border-color: var(--bs-warning);
  color: #ea8600;
}

[data-theme="dark"] .alert-warning {
  background-color: rgba(253, 214, 99, 0.1);
  border-color: var(--bs-warning);
  color: var(--bs-warning);
}

.alert-info {
  background-color: #e8f0fe;
  border-color: var(--bs-info);
  color: #0b57d0;
}

[data-theme="dark"] .alert-info {
  background-color: rgba(138, 180, 248, 0.1);
  border-color: var(--bs-info);
  color: var(--bs-info);
}

/* Musical note symbols styling */
.music-note {
  font-family: 'Times New Roman', serif;
  font-size: 1.2em;
  color: var(--bs-primary);
}

/* Jumbotron alternative for Bootstrap 5 */
.jumbotron {
  background-color: var(--bs-card-bg) !important;
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
  padding: 32px;
}

/* Professional styling for song cards */
.song-card {
  transition: var(--transition);
  border-radius: 8px;
  overflow: hidden;
}

.song-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.song-metadata {
  font-size: 0.875rem;
  color: var(--bs-muted);
  line-height: 1.4;
}

.practice-badge {
  border-radius: 12px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Modal dark mode support */
.modal-content {
  background-color: var(--bs-card-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 8px;
  color: var(--bs-body-color);
}

.modal-header, 
.modal-footer {
  border-color: var(--bs-border-color);
}

.modal-title {
  color: var(--bs-body-color);
}

/* Dropdown dark mode support */
.dropdown-menu {
  background-color: var(--bs-card-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: 4px;
  box-shadow: var(--shadow-md);
}

.dropdown-item {
  color: var(--bs-body-color);
  font-size: 0.875rem;
  padding: 8px 16px;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--hover-bg);
  color: var(--bs-body-color);
}

.dropdown-divider {
  border-color: var(--bs-border-color);
}

/* Footer */
footer {
  background-color: var(--bs-card-bg) !important;
  border-top: 1px solid var(--bs-border-color);
  color: var(--bs-muted);
}

/* Background utilities - Bootstrap overrides */
.bg-light {
  background-color: var(--bs-light) !important;
  color: var(--bs-body-color) !important;
}

.bg-dark {
  background-color: var(--bs-dark) !important;
  color: var(--bs-body-color) !important;
}

.bg-white {
  background-color: var(--bs-card-bg) !important;
  color: var(--bs-body-color) !important;
}

/* Text utilities */
.text-muted {
  color: var(--bs-muted) !important;
}

.text-primary {
  color: var(--bs-primary) !important;
}

.text-dark {
  color: var(--bs-body-color) !important;
}

.text-light {
  color: var(--bs-muted) !important;
}

.text-white {
  color: var(--bs-body-color) !important;
}

/* Links */
a {
  color: var(--bs-primary);
  text-decoration: none;
}

a:hover {
  color: var(--bs-primary);
  text-decoration: underline;
}

/* High contrast text for better readability */
h1, h2, h3, h4, h5, h6 {
  color: var(--bs-body-color);
  font-weight: 500;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* Responsive improvements */
@media (max-width: 768px) {
  .theme-toggle {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }
  
  .card-body {
    padding: 16px;
  }
  
  .btn-lg {
    padding: 12px 20px;
    font-size: 1rem;
  }
  
  .navbar {
    min-height: 56px;
  }
}

/* Print styles */
@media print {
  .theme-toggle,
  .navbar,
  .btn {
    display: none !important;
  }
  
  .card {
    border: 1px solid #000 !important;
    break-inside: avoid;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}

/* Practice suggestions specific styling */
.practice-suggestions {
  background-color: var(--bs-card-bg) !important;
  border: 1px solid var(--bs-border-color) !important;
  color: var(--bs-body-color) !important;
}

.practice-suggestions .card-title {
  color: var(--bs-body-color) !important;
  font-weight: 500;
}

.practice-suggestions .text-muted {
  color: var(--bs-muted) !important;
}

/* Additional Bootstrap utility overrides */
.card.bg-light {
  background-color: var(--bs-card-bg) !important;
  border: 1px solid var(--bs-border-color) !important;
  color: var(--bs-body-color) !important;
}

/* Small text and captions */
small, .small {
  color: var(--bs-muted);
  font-size: 0.875rem;
}

/* Bootstrap list group overrides */
.list-group-item {
  background-color: var(--bs-card-bg);
  border-color: var(--bs-border-color);
  color: var(--bs-body-color);
}

.list-group-item:hover {
  background-color: var(--hover-bg);
}

/* Song table styling */
.song-row {
  cursor: pointer;
  transition: var(--transition);
}

.song-row:hover {
  background-color: var(--hover-bg) !important;
}

.table-header {
  background-color: var(--bs-light);
  border-bottom: 2px solid var(--bs-border-color);
}

.table-header th {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--bs-body-color);
  border-bottom: 2px solid var(--bs-border-color);
  padding: 12px 8px;
}

.table td {
  padding: 12px 8px;
  vertical-align: middle;
  font-size: 0.875rem;
}

.btn-group-sm .btn {
  padding: 4px 8px;
}

/* Collapsible button styling */
.btn-link {
  color: var(--bs-body-color) !important;
  text-decoration: none;
  border: none;
  background: none;
}

.btn-link:hover {
  color: var(--bs-primary) !important;
}

.btn-link:focus {
  box-shadow: none;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .theme-toggle {
    transition: none;
  }
}