/* BoardCast Dashboard - Modern Design System */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg-primary: #0a0b0f;
  --color-bg-secondary: #12141a;
  --color-bg-tertiary: #1a1d24;
  --color-bg-elevated: #1f2229;
  --color-bg-hover: #252830;
  
  --color-border: #2a2d36;
  --color-border-light: #363940;
  
  --color-text-primary: #f0f2f5;
  --color-text-secondary: #9ca3b0;
  --color-text-muted: #6b7280;
  
  --color-accent: #00b4d8;
  --color-accent-hover: #0096b4;
  --color-accent-light: rgba(0, 180, 216, 0.1);
  
  --color-success: #10b981;
  --color-success-light: rgba(16, 185, 129, 0.1);
  --color-warning: #f59e0b;
  --color-warning-light: rgba(245, 158, 11, 0.1);
  --color-error: #ef4444;
  --color-error-light: rgba(239, 68, 68, 0.1);
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Sidebar */
  --sidebar-width: 260px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

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

/* =============== LOGIN PAGE =============== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, #0d1520 100%);
}

.login-container {
  width: 100%;
  max-width: 420px;
}

.login-brand {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.brand-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: linear-gradient(135deg, var(--color-accent) 0%, #0077b6 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.brand-icon svg {
  width: 32px;
  height: 32px;
}

.brand-icon.small {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
}

.brand-icon.small svg {
  width: 20px;
  height: 20px;
}

.login-brand h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.login-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.login-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.login-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.form-group input {
  padding: 12px 16px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.form-error {
  color: var(--color-error);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-error-light);
  border-radius: var(--radius-sm);
  display: none;
}

.form-error:not(:empty) {
  display: block;
}

.login-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--space-md);
  text-align: center;
}

.login-error:empty {
  display: none;
}

.login-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.apple-signin-container {
  margin: var(--space-lg) 0;
}

.apple-signin-btn {
  width: 100%;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: #000;
  color: #fff;
  border: 1px solid #fff;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.apple-signin-btn:hover {
  background: #1a1a1a;
}

.apple-signin-btn svg {
  flex-shrink: 0;
}

.login-features {
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.feature svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.login-features .feature {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--space-md);
  align-items: center;
}

.login-features .feature svg {
  justify-self: center;
}

/* =============== BUTTONS =============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 18px;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

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

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

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

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

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

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

.btn-full {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8125rem;
}

.btn-sm svg {
  width: 16px;
  height: 16px;
}

/* =============== APP CONTAINER =============== */
.app-container {
  display: flex;
  min-height: 100vh;
}

/* =============== SIDEBAR =============== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
}

.sidebar-brand {
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 1.125rem;
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: none;
  background: none;
  width: 100%;
  cursor: pointer;
  text-align: left;
}

.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

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

.nav-item.active {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.sidebar-footer {
  padding: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav-item.logout {
  color: var(--color-text-muted);
}

.nav-item.logout:hover {
  color: var(--color-error);
  background: var(--color-error-light);
}

/* =============== MAIN CONTENT =============== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-header {
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 50;
}

.main-header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-avatar {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
}

.page-container {
  flex: 1;
  padding: var(--space-xl);
  overflow-y: auto;
}

/* =============== PAGES =============== */
.page {
  display: none;
}

.page.active {
  display: block;
  animation: fadeIn var(--transition-normal);
}

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

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
  gap: var(--space-lg);
}

.page-description {
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* =============== STATS =============== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  transition: all var(--transition-fast);
}

.stat-card.clickable {
  cursor: pointer;
  user-select: none;
}

.stat-card.clickable:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-card.clickable:active {
  transform: translateY(0);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 24px;
  height: 24px;
}

.stat-icon.screens {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.stat-icon.content {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
}

.stat-icon.playlists {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.stat-icon.online {
  background: var(--color-success-light);
  color: var(--color-success);
}

.stat-content {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

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

/* =============== CARDS =============== */
.card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.card-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.card-body {
  padding: var(--space-lg);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

/* =============== EMPTY STATES =============== */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
}

.empty-state.small {
  padding: var(--space-lg);
}

.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.empty-icon svg {
  width: 32px;
  height: 32px;
}

.empty-state h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.empty-state.small p {
  margin-bottom: var(--space-md);
}

/* =============== QUICK ACTIONS =============== */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.quick-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.quick-action:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.quick-action-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.quick-action-icon svg {
  width: 20px;
  height: 20px;
}

.quick-action span {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* =============== SCREENS =============== */
.screens-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.screen-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
}

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

.screen-preview {
  aspect-ratio: 16/9;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}

.screen-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.screen-preview svg {
  width: 48px;
  height: 48px;
}

.screen-info {
  padding: var(--space-lg);
}

.screen-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

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

.screen-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.screen-status.online {
  background: var(--color-success-light);
  color: var(--color-success);
}

.screen-status.offline {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}

.screen-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

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

.screen-controls {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  justify-content: center;
  align-items: center;
}

.control-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}

.control-btn:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
  transform: scale(1.05);
}

.control-btn:active {
  transform: scale(0.95);
}

.control-btn svg {
  width: 18px;
  height: 18px;
}

.control-btn-primary {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

.control-btn-primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: white;
}

.control-btn-primary svg {
  width: 20px;
  height: 20px;
}

.screen-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

/* =============== CONTENT =============== */
.content-filters {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 200px;
  max-width: 400px;
  position: relative;
}

.search-box svg {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 44px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.search-box input::placeholder {
  color: var(--color-text-muted);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.filter-group select {
  padding: 10px 36px 10px 16px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: 0.9375rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3b0' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.filter-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-lg);
}

.content-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.content-preview {
  aspect-ratio: 16/10;
  background: var(--color-bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  overflow: hidden;
}

.content-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-preview svg {
  width: 40px;
  height: 40px;
}

.content-info {
  padding: var(--space-md);
}

.content-name {
  font-weight: 500;
  font-size: 0.9375rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.content-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
}

.content-type {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 500;
}

/* =============== PLAYLISTS =============== */
.playlists-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.playlist-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

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

.playlist-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.playlist-icon {
  width: 48px;
  height: 48px;
  background: var(--color-accent-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.playlist-icon svg {
  width: 24px;
  height: 24px;
}

.playlist-title {
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

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

/* =============== SETTINGS =============== */
.settings-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  max-width: 640px;
}

.settings-group {
  display: flex;
  flex-direction: column;
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-info h4 {
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

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

.setting-item.danger .setting-info h4 {
  color: var(--color-error);
}

/* =============== MODALS =============== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn var(--transition-normal);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.modal-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.modal-actions .btn {
  min-width: 100px;
  padding: 12px 24px;
}

/* Pairing Instructions */
.pairing-instructions {
  margin-bottom: var(--space-xl);
}

.pairing-step {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.pairing-step:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.step-number {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.step-content h4 {
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

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

.pair-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Upload Dropzone */
.upload-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.upload-dropzone:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.upload-dropzone svg {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.upload-dropzone h3 {
  margin-bottom: var(--space-xs);
}

.upload-dropzone p {
  color: var(--color-text-secondary);
}

.upload-dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-dropzone.uploading {
  pointer-events: none;
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.upload-dropzone.uploading .upload-default {
  display: none;
}

.upload-dropzone .upload-progress {
  display: none;
}

.upload-dropzone.uploading .upload-progress {
  display: block;
}

.upload-progress-text {
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

.upload-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--space-md);
}

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

.upload-info {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.upload-info p {
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  text-align: center;
}

/* =============== TOASTS =============== */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: toastIn var(--transition-normal);
  max-width: 400px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

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

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

/* =============== MOBILE NAVIGATION =============== */
.mobile-menu-btn,
.mobile-back-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.mobile-menu-btn:hover,
.mobile-back-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.mobile-menu-btn svg,
.mobile-back-btn svg {
  width: 24px;
  height: 24px;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* =============== PLAYLIST DETAILS =============== */
.playlist-details-info {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

/* =============== SCREEN DETAILS =============== */
.screen-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

/* Responsive grid for screen settings form */
.screen-settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* =============== RESPONSIVE =============== */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 80px;
  }
  
  .sidebar-brand span,
  .nav-item span {
    display: none;
  }
  
  .nav-item {
    justify-content: center;
    padding: 12px;
  }
  
  .sidebar-brand {
    justify-content: center;
    padding: var(--space-md);
  }
  
  /* Modal adjustments for medium screens */
  .modal-large {
    max-width: calc(100vw - var(--space-lg) * 2);
  }
  
  .playlist-builder {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  /* Analytics responsive on tablets */
  .analytics-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .screen-health-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Screen details grid responsive on tablets */
  .screen-details-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .screen-settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Show mobile navigation buttons */
  .mobile-menu-btn {
    display: flex;
  }
  
  /* Back button shows when not on dashboard */
  .mobile-back-btn {
    display: none;
  }
  
  .mobile-back-btn.visible {
    display: flex;
  }
  
  /* Hide hamburger when back is shown */
  .mobile-menu-btn.hidden {
    display: none;
  }
  
  /* Header adjustments for mobile */
  .main-header h1 {
    font-size: 1.25rem;
  }
  
  /* Hide username on mobile, just show avatar */
  .user-menu span {
    display: none;
  }
  
  /* Sidebar mobile styles */
  .sidebar {
    transform: translateX(-100%);
    width: 260px;
    transition: transform var(--transition-normal);
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  /* When sidebar is open on mobile, show full labels */
  .sidebar.open .sidebar-brand span,
  .sidebar.open .nav-item span {
    display: inline;
  }
  
  .sidebar.open .nav-item {
    justify-content: flex-start;
    padding: 12px 16px;
  }
  
  .sidebar.open .sidebar-brand {
    justify-content: flex-start;
    padding: var(--space-lg);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .page-container {
    padding: var(--space-lg);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .quick-actions {
    grid-template-columns: 1fr;
  }
  
  .content-filters {
    flex-direction: column;
  }
  
  .search-box {
    max-width: none;
  }
  
  /* Page header adjustments */
  .page-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .page-header .btn {
    width: 100%;
  }
  
  /* Screens grid on mobile */
  .screens-grid {
    grid-template-columns: 1fr;
  }
  
  /* Screen controls on mobile - slightly smaller */
  .screen-controls {
    gap: 4px;
    padding: var(--space-sm);
  }
  
  .control-btn {
    width: 32px;
    height: 32px;
  }
  
  .control-btn-primary {
    width: 36px;
    height: 36px;
  }
  
  .control-btn svg {
    width: 16px;
    height: 16px;
  }
  
  .control-btn-primary svg {
    width: 18px;
    height: 18px;
  }
  
  /* Content grid on mobile */
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  /* Slightly smaller content names on mobile for better fit */
  .content-name {
    font-size: 0.8125rem;
  }
  
  /* Playlists grid on mobile */
  .playlists-grid {
    grid-template-columns: 1fr;
  }
  
  /* Dashboard grid on mobile */
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  /* Modal adjustments for mobile */
  .modal-content {
    margin: var(--space-md);
    max-height: calc(100vh - var(--space-xl));
  }
  
  .modal-content.modal-large {
    max-width: none;
  }
  
  /* Playlist builder on mobile */
  .playlist-builder {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .setting-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .setting-label {
    min-width: auto;
  }
  
  .playlist-item-reorder {
    flex-direction: row;
  }
  
  /* Analytics on mobile */
  .analytics-stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .analytics-stat-card {
    padding: var(--space-md);
  }
  
  .analytics-stat-value {
    font-size: 1.75rem;
  }
  
  .screen-health-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .screen-health-stats {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  
  .screen-health-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .health-badge {
    align-self: flex-start;
  }
  
  .activity-feed {
    gap: var(--space-sm);
  }
  
  .activity-item {
    padding: var(--space-sm) var(--space-md);
  }
  
  .activity-icon {
    width: 32px;
    height: 32px;
  }
  
  .activity-icon svg {
    width: 16px;
    height: 16px;
  }
  
  .activity-message {
    font-size: 0.8125rem;
  }
  
  .now-playing-indicator {
    font-size: 0.75rem;
    padding: 4px 8px;
  }
  
  .health-alert {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
  }
  
  /* Toast notifications centered on mobile */
  .toast-container {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: var(--space-xl);
    width: calc(100vw - var(--space-lg) * 2);
    max-width: 400px;
  }
  
  .toast {
    width: 100%;
  }
  
  /* Screen details grid on mobile */
  .screen-details-grid {
    grid-template-columns: 1fr;
  }
  
  /* Screen settings form grid on mobile */
  .screen-settings-grid {
    grid-template-columns: 1fr;
  }
  
  /* Playlist details on mobile */
  .playlist-details-info {
    grid-template-columns: 1fr;
  }
  
  /* Playlist content items on mobile */
  .playlist-content-item-row {
    flex-direction: row;
    align-items: flex-start;
  }
  
  .item-meta-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  /* Detail rows should stack better on mobile */
  .detail-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
  }
  
  .detail-label {
    margin-right: 0;
  }
  
  .detail-value {
    text-align: left;
  }
  
  /* Modal actions stack on mobile */
  .modal-actions {
    flex-direction: column-reverse;
  }
  
  .modal-actions .btn {
    width: 100%;
  }
}

/* =============== PLAYLIST BUILDER =============== */
.modal-large {
  max-width: 960px;
  width: calc(100vw - var(--space-xl) * 2);
}

.playlist-builder {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin: var(--space-lg) 0;
}

.playlist-section {
  min-width: 0;
  overflow: hidden;
}

/* Add consistent spacing between form groups in playlist form */
#createPlaylistForm > .form-group {
  margin-bottom: var(--space-md);
}

#createPlaylistForm > .form-group:last-of-type {
  margin-bottom: 0;
}

.playlist-section h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.playlist-section p {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

.content-add-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  max-height: 300px;
  overflow-y: auto;
  padding: var(--space-xs);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.content-add-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.content-add-item:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
  transform: translateX(4px);
}

.content-add-item:active {
  transform: translateX(2px);
}

.content-add-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.content-add-icon svg {
  width: 18px;
  height: 18px;
}

.content-add-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.content-add-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.content-add-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.type-tag {
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.7rem;
}

.type-tag.type-video {
  background: rgba(168, 85, 247, 0.15);
  color: #a855f7;
}

.type-tag.type-image {
  background: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

.type-tag.type-pdf {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.type-tag.type-web {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.playlist-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 500px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-xs);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.playlist-item-modern {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.playlist-item-modern:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.playlist-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.playlist-item-order-num {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.playlist-item-title-section {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.playlist-item-filename {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  flex: 1;
  min-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-remove-item {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-remove-item:hover {
  background: var(--color-error);
  color: white;
  transform: scale(1.1);
}

.btn-remove-item svg {
  width: 18px;
  height: 18px;
}

.playlist-item-settings {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-sm);
}

.setting-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.setting-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 140px;
}

.setting-input {
  width: 80px;
  padding: 6px 10px;
  font-size: 0.875rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-weight: 500;
}

.setting-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

.setting-unit {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.setting-value {
  font-size: 0.875rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

.setting-select {
  padding: 6px 10px;
  font-size: 0.875rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  cursor: pointer;
  font-weight: 500;
}

.setting-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.setting-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  user-select: none;
}

.setting-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.playlist-item-reorder {
  display: flex;
  gap: var(--space-xs);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.btn-reorder {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.8125rem;
  font-weight: 500;
}

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

.btn-reorder:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-reorder svg {
  width: 16px;
  height: 16px;
}

.playlist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.playlist-item-thumbnail {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  background: var(--color-bg-secondary);
}

.playlist-item-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.playlist-item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  margin-bottom: var(--space-xs);
}

.playlist-item-duration {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}

.playlist-item-duration label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.playlist-item-duration input {
  width: 60px;
  padding: 4px 8px;
  font-size: 0.75rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.playlist-item-scale {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.playlist-item-scale label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.playlist-item-scale select {
  padding: 4px 8px;
  font-size: 0.75rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  max-width: 140px;
}

.playlist-item-option {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
  flex-wrap: wrap;
}

.playlist-item-option label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  cursor: pointer;
  white-space: nowrap;
}

.playlist-item-option input[type="checkbox"] {
  width: 14px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.playlist-item-option input[type="number"] {
  width: 55px;
  padding: 4px 8px;
  font-size: 0.75rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.video-duration-info {
  font-size: 0.75rem;
  color: var(--color-text);
}

.playlist-item-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex-shrink: 0;
  margin-left: auto;
}

.icon-btn {
  padding: 6px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all 0.2s;
}

.icon-btn:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

.icon-btn svg {
  width: 16px;
  height: 16px;
  display: block;
}

.empty-state-mini {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 200px;
  overflow-y: auto;
  padding: var(--space-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs);
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-item label {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

#playlistItemCount {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
  text-transform: none;
  letter-spacing: normal;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.detail-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  flex-shrink: 0;
  margin-right: var(--space-sm);
}

.detail-value {
  font-size: 0.875rem;
  color: var(--color-text);
  text-align: right;
  word-break: break-word;
}

/* =============== CONTENT ACTIONS =============== */
.content-card {
  position: relative;
}

.content-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  opacity: 0;
  transition: opacity 0.2s;
}

.content-card:hover .content-actions {
  opacity: 1;
}

.content-actions .btn {
  padding: 6px 12px;
  font-size: 0.75rem;
}

/* =============== PLAYLIST ACTIONS =============== */
.playlist-card {
  position: relative;
}

.playlist-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

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

.btn-danger:hover {
  background: #c9302c;
}

.playlist-content-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.playlist-content-items-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.playlist-content-item-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.playlist-content-item-row:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
}

.item-order-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.item-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
  min-width: 0;
}

.item-name-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.content-type-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent);
  flex-shrink: 0;
}

.item-filename {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.item-duration,
.item-resolution,
.item-video-duration,
.item-scale {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.playlist-content-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.item-order {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.item-thumbnail {
  width: 80px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.item-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.item-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* =============== USERS LIST =============== */
.users-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.user-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 1rem;
  flex-shrink: 0;
}

.user-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.user-email {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.user-role {
  flex-shrink: 0;
}

.role-select {
  padding: 6px 12px;
  font-size: 0.875rem;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}

.role-badge {
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: capitalize;
}

.role-badge.role-admin {
  background: var(--color-error-light);
  color: var(--color-error);
}

.role-badge.role-editor {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.role-badge.role-viewer {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}

.form-select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  cursor: pointer;
}

.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.card-header .btn {
  margin: 0;
}

/* =============== CONTENT PREVIEW =============== */
.content-preview-main {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  min-height: 300px;
}

.content-preview-info {
  margin-bottom: var(--space-lg);
}

/* =============== UPLOAD TABS =============== */
.upload-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.upload-tab {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

.upload-tab.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.upload-tab-content {
  animation: fadeIn 0.2s;
}

/* =============== SCHEDULE SETTINGS =============== */
.days-selector {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.day-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
}

.day-checkbox:hover {
  background: var(--color-bg-tertiary);
}

.day-checkbox input[type="checkbox"] {
  margin: 0;
}

.day-checkbox input[type="checkbox"]:checked ~ span {
  color: var(--color-accent);
  font-weight: 600;
}

/* =============== CONTENT CARD CLICKABLE =============== */
.content-card {
  cursor: pointer;
  transition: transform 0.2s;
}

.content-card:hover {
  transform: translateY(-2px);
}

/* =============== ANALYTICS =============== */
.analytics-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.analytics-stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.analytics-stat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.analytics-stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.analytics-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.analytics-stat-change {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Activity Feed */
.activity-feed {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-border);
  transition: all var(--transition-fast);
}

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

.activity-item.activity-screen {
  border-left-color: var(--color-accent);
}

.activity-item.activity-content {
  border-left-color: #a855f7;
}

.activity-item.activity-playlist {
  border-left-color: var(--color-warning);
}

.activity-item.activity-alert {
  border-left-color: var(--color-error);
}

.activity-item.activity-success {
  border-left-color: var(--color-success);
}

.activity-item.activity-user {
  border-left-color: var(--color-text-muted);
}

.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.activity-icon.screen {
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.activity-icon.content {
  background: rgba(168, 85, 247, 0.1);
  color: #a855f7;
}

.activity-icon.playlist {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.activity-icon.alert {
  background: var(--color-error-light);
  color: var(--color-error);
}

.activity-icon.success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.activity-icon.user {
  background: var(--color-bg-elevated);
  color: var(--color-text-muted);
}

.activity-icon svg {
  width: 18px;
  height: 18px;
}

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

.activity-message {
  font-size: 0.875rem;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.activity-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.activity-user {
  font-weight: 500;
}

.activity-time::before {
  content: "•";
  margin-right: var(--space-sm);
}

/* Screen Health Cards */
.screen-health-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.screen-health-card {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

.screen-health-card:hover {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
}

.screen-health-card.health-critical {
  border-left: 4px solid var(--color-error);
}

.screen-health-card.health-warning {
  border-left: 4px solid var(--color-warning);
}

.screen-health-card.health-healthy {
  border-left: 4px solid var(--color-success);
}

.screen-health-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
  gap: var(--space-sm);
}

.screen-health-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 0;
}

.screen-health-name strong {
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.screen-health-location {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.health-badge {
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.health-badge.health-healthy {
  background: var(--color-success-light);
  color: var(--color-success);
}

.health-badge.health-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

.health-badge.health-critical {
  background: var(--color-error-light);
  color: var(--color-error);
}

.screen-health-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.health-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.health-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.health-stat-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.health-alert {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-warning-light);
  border: 1px solid var(--color-warning);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: var(--color-warning);
  font-weight: 500;
}

/* Now Playing Indicator */
.now-playing-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: var(--space-sm);
  padding: 6px 10px;
  background: var(--color-success-light);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-success);
  font-weight: 500;
}

.now-playing-indicator.idle {
  background: var(--color-bg-tertiary);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.now-playing-text {
  color: var(--color-success) !important;
  font-weight: 600 !important;
}

/* =============== FORM IMPROVEMENTS =============== */
input[type="time"],
input[type="number"],
input[type="url"] {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
}

input[type="time"]:focus,
input[type="number"]:focus,
input[type="url"]:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Range Slider Styling */
input[type="range"] {
  width: 100%;
  height: 6px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-track {
  width: 100%;
  height: 6px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
}

input[type="range"]::-moz-range-track {
  width: 100%;
  height: 6px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--color-accent);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-webkit-slider-thumb:hover {
  background: var(--color-accent-hover);
  transform: scale(1.1);
}

input[type="range"]::-moz-range-thumb:hover {
  background: var(--color-accent-hover);
  transform: scale(1.1);
}

input[type="range"]:focus {
  outline: none;
}

input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

input[type="range"]:focus::-moz-range-thumb {
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

small {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
}