/* ytcast Web UI - Tucan Theme */

:root {
  /* Tucan theme colors */
  --bg-color: hsl(50, 1%, 6%);
  --primary-color: hsl(24, 97%, 58%);
  --accent-color: hsl(209, 88%, 54%);
  --text-color: hsl(0, 0%, 90%);
  --text-muted: hsl(0, 0%, 60%);
  --card-bg: hsl(0, 0%, 10%);
  --border-color: hsl(0, 0%, 15%);

  /* Status colors */
  --success-color: hsl(142, 71%, 45%);
  --error-color: hsl(0, 72%, 51%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
}

/* Navigation */
.nav {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--primary-color);
}

/* Main content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Container */
.container {
  width: 100%;
}

/* Header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-color);
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-color);
}

/* Section */
.section {
  margin-bottom: 3rem;
}

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
}

.stat-value {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

/* Episodes list */
.episodes-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.episode-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1rem;
}

.episode-title {
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s;
}

.episode-title:hover {
  color: var(--primary-color);
}

.episode-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.channel-name {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s;
}

.channel-name:hover {
  color: var(--primary-color);
}

.separator {
  color: var(--text-muted);
}

/* Channels grid */
.channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.channel-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  transition: border-color 0.2s, transform 0.2s;
}

.channel-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.channel-card-info {
  flex: 1;
  width: 100%;
  min-width: 0;
}

.channel-card-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-color);
  font-size: 1rem;
  text-decoration: none;
  transition: color 0.2s;
}

.channel-card-name:hover {
  color: var(--primary-color);
}

.channel-card-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.channel-card-update {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-remove-card {
  width: 100%;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Add channel form */
.add-channel-form {
  display: flex;
  gap: 0.75rem;
  max-width: 600px;
}

.add-channel-form input {
  flex: 1;
}

/* Form elements */
input[type="text"],
input[type="password"],
input[type="url"] {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-color);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

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

.btn-primary:hover:not(:disabled) {
  filter: brightness(1.1);
}

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

.btn-danger:hover:not(:disabled) {
  filter: brightness(1.1);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-block {
  width: 100%;
}

/* Login page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-box {
  width: 100%;
  max-width: 400px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
}

.login-box h1 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.alert-error {
  background-color: hsla(0, 72%, 51%, 0.1);
  border: 1px solid var(--error-color);
  color: var(--error-color);
}

.alert-success {
  background-color: hsla(142, 71%, 45%, 0.1);
  border: 1px solid var(--success-color);
  color: var(--success-color);
}

/* Message toast */
.message-toast {
  position: fixed;
  top: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: 6px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  animation: slideIn 0.3s ease-out;
}

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

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

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Empty state */
.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
}

/* Settings page */
.settings-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
}

.setting-label {
  font-weight: 500;
  color: var(--text-muted);
}

.setting-value {
  color: var(--text-color);
  font-weight: 600;
}

.settings-form {
  max-width: 500px;
}

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

.settings-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.settings-form button {
  margin-top: 0.5rem;
}

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

  .nav-links {
    gap: 1rem;
  }

  .header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

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

  .channels-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }

  .add-channel-form {
    flex-direction: column;
  }
}

/* Queue list */
.queue-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.queue-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.queue-thumbnail {
  width: 120px;
  height: 68px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.queue-thumbnail-placeholder {
  width: 120px;
  height: 68px;
  background-color: var(--border-color);
  border-radius: 4px;
  flex-shrink: 0;
}

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

.queue-title {
  font-weight: 500;
  color: var(--text-color);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.queue-title:hover {
  color: var(--primary-color);
}

.queue-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.queue-channel {
  color: var(--accent-color);
}

.queue-duration {
  color: var(--text-muted);
}

.queue-error {
  font-size: 0.75rem;
  color: var(--error-color);
  margin-top: 0.25rem;
}

.btn-remove-queue {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .queue-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .queue-thumbnail,
  .queue-thumbnail-placeholder {
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
  }

  .btn-remove-queue {
    width: 100%;
  }
}

/* =============================================================================
   SlicePDF-Specific Styles
   ============================================================================= */

/* Page Header */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  margin: 0;
}

/* Upload Section */
.upload-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Upload Methods - Two Column Layout */
.upload-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1rem;
}

.upload-method {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.upload-method h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-color);
  margin: 0;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

/* URL Input Group */
.url-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.url-input-group input[type="url"] {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--bg-color);
  border: 1px solid hsl(0, 0%, 30%);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.875rem;
}

.url-input-group input[type="url"]:focus {
  outline: none;
  border-color: var(--primary-color);
}

.url-input-group input[type="url"].invalid {
  border-color: var(--error-color);
}

/* Responsive: Stack columns on mobile */
@media (max-width: 768px) {
  .upload-methods {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.upload-status {
  color: var(--text-muted);
  font-size: 0.875rem;
  min-height: 1.5rem;
}

.pdf-info {
  position: relative;
  padding: 1rem;
  /* existing styles... */
}

.pdf-info .btn-clear {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.pdf-info p {
  margin: 0.5rem 0;
  padding-right: 5rem; /* Space for clear button */
}

.pdf-info p {
  margin: 0.5rem 0;
}

/* Page Ranges */
.ranges-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.range-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--card-bg);
  border: 1px solid hsl(0, 0%, 20%);
  border-radius: 6px;
}

.range-inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.range-inputs label {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.range-inputs input[type="number"] {
  width: 80px;
  padding: 0.5rem;
  background: var(--bg-color);
  border: 1px solid hsl(0, 0%, 30%);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.875rem;
}

.range-inputs input[type="number"].invalid {
  border-color: var(--error-color);
}

/* Help Text */
.help-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

/* PDF Viewer */
.pdf-viewer-container {
  width: 100%;
  height: 600px;
  border: 1px solid hsl(0, 0%, 20%);
  border-radius: 6px;
  overflow: hidden;
}

.pdf-viewer {
  width: 100%;
  height: 100%;
  border: none;
}

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

.preview-header h3 {
  margin: 0;
}

/* Download Section */
.download-info {
  margin-bottom: 1.5rem;
}

.download-info p {
  margin: 0.5rem 0;
}

.download-actions {
  display: flex;
  gap: 1rem;
}

/* Files Grid */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.file-card {
  background: var(--card-bg);
  border: 1px solid hsl(0, 0%, 20%);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.2s;
}

.file-card:hover {
  border-color: var(--primary-color);
}

.file-icon {
  font-size: 2.5rem;
  text-align: center;
}

.file-info {
  flex: 1;
}

.file-name {
  font-weight: 600;
  margin-bottom: 0.5rem;
  word-break: break-word;
}

.file-meta {
  font-size: 0.875rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  margin-top: 0.25rem;
}

.file-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--bg-color);
  border-radius: 8px;
  width: 90%;
  max-width: 1200px;
  height: 90vh;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid hsl(0, 0%, 20%);
}

.modal-header h2 {
  margin: 0;
}

.modal .pdf-viewer-container {
  flex: 1;
  margin: 0;
  border: none;
  border-radius: 0 0 8px 8px;
}

/* Settings */
.settings-card {
  background: var(--card-bg);
  border: 1px solid hsl(0, 0%, 20%);
  border-radius: 6px;
  padding: 1.5rem;
}

.setting-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.setting-label {
  font-weight: 600;
  color: var(--text-muted);
}

.setting-value {
  color: var(--text-color);
}

.settings-form {
  max-width: 500px;
}

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

.section-header h2 {
  margin: 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .action-buttons {
    flex-direction: column;
  }

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

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

  .range-item {
    flex-direction: column;
    align-items: stretch;
  }

  .range-inputs {
    flex-wrap: wrap;
  }

  .modal-content {
    width: 95%;
    max-height: 95vh;
  }
}

/* Dual PDF Viewers */
.viewers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Side by side on desktop */
  gap: 1.5rem;
  margin-top: 1rem;
}

@media (max-width: 1024px) {
  .viewers-grid {
    grid-template-columns: 1fr; /* Stack on tablet/mobile */
  }
}

.viewer-panel {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.viewer-header {
  padding: 0.75rem 1rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.viewer-header h3 {
  margin: 0;
  font-size: 1rem;
}

.viewer-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.875rem;
}

.pdf-viewer-scroll {
  height: 600px;
  overflow-y: auto;
  overflow-x: auto;
  background: var(--bg-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
  gap: 1rem;
}

.pdf-viewer-scroll canvas {
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.no-preview-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  text-align: center;
}

.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-color);
  z-index: 10;
}

.loading-spinner {
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.pdf-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 2rem;
  text-align: center;
}

/* Missing button variants */
.btn-small {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

.btn-secondary {
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--border-color);
}

/* Upload card with absolute positioned buttons */
.card.upload-card {
  position: relative;
  min-height: 120px;
}

.upload-controls {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.btn-upload-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}

/* Page navigation controls */
.page-navigation {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.page-nav-btn {
  padding: 0.25rem 0.5rem;
  min-width: 32px;
  font-size: 0.875rem;
}

.page-input {
  width: 60px;
  padding: 0.25rem 0.5rem;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 0.875rem;
  text-align: center;
}

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

.page-info-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* URL Modal Styles */
.url-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.url-modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.url-modal-header h3 {
  margin: 0 0 1.5rem 0;
  color: var(--text-color);
  font-size: 1.25rem;
}

.url-modal-body {
  margin-bottom: 1.5rem;
}

.url-modal-body label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.url-modal-footer {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

@media (max-width: 768px) {
  .upload-controls {
    position: static;
    flex-direction: column;
    width: 100%;
    margin-bottom: 1rem;
  }

  .btn-upload-small {
    width: 100%;
    justify-content: center;
  }

  .page-navigation {
    flex-wrap: wrap;
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
    justify-content: center;
  }

  .viewer-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .url-modal-content {
    width: 95%;
    padding: 1.5rem;
  }
}