/* =========================================
   AkorMate Panel - Professional Design v2
   ========================================= */

:root {
  /* Dark Theme */
  --bg-primary: #0d0d12;
  --bg-secondary: #13131a;
  --bg-tertiary: #1a1a23;
  --bg-elevated: #1f1f2a;
  --bg-card: #1a1a23;
  
  --accent-primary: #1e3a5f;
  --accent-secondary: #2d4a6f;
  --accent-hover: #3d5a7f;
  --accent-subtle: rgba(30, 58, 95, 0.2);
  
  --text-primary: #f0f0f2;
  --text-secondary: #8a8a92;
  --text-tertiary: #5a5a62;
  --text-inverse: #ffffff;
  
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-secondary: rgba(255, 255, 255, 0.05);
  --border-card: rgba(255, 255, 255, 0.08);
  
  --success: #22c55e;
  --success-bg: rgba(34, 197, 94, 0.15);
  --warning: #eab308;
  --warning-bg: rgba(234, 179, 8, 0.15);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.15);
  --info: #3b82f6;
  --info-bg: rgba(59, 130, 246, 0.15);
  --purple: #8b5cf6;
  --purple-bg: rgba(139, 92, 246, 0.15);
  --orange: #f97316;
  --orange-bg: rgba(249, 115, 22, 0.15);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

[data-theme="light"] {
  /* Light Theme - Açık gri ve lacivert sidebar */
  --bg-primary: #f3f4f6;
  --bg-secondary: #e5e7eb;
  --bg-tertiary: #f9fafb;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --bg-sidebar: #1a2744;
  
  --accent-primary: #1a2e4a;
  --accent-secondary: #243b5c;
  --accent-hover: #2e486e;
  --accent-subtle: rgba(26, 46, 74, 0.1);
  
  --text-primary: #1a1a1f;
  --text-secondary: #5c5c64;
  --text-tertiary: #8c8c94;
  --text-inverse: #ffffff;
  
  --border-primary: rgba(0, 0, 0, 0.1);
  --border-secondary: rgba(0, 0, 0, 0.06);
  --border-card: rgba(0, 0, 0, 0.08);
  
  --success: #16a34a;
  --success-bg: rgba(22, 163, 74, 0.12);
  --warning: #ca8a04;
  --warning-bg: rgba(202, 138, 4, 0.12);
  --error: #dc2626;
  --error-bg: rgba(220, 38, 38, 0.12);
  --info: #2563eb;
  --info-bg: rgba(37, 99, 235, 0.12);
  --purple: #7c3aed;
  --purple-bg: rgba(124, 58, 237, 0.12);
  --orange: #ea580c;
  --orange-bg: rgba(234, 88, 12, 0.12);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* =========================================
   Base Styles
   ========================================= */

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  max-width: 100vw;
}

/* =========================================
   Layout
   ========================================= */

.main-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

/* =========================================
   Sidebar
   ========================================= */

.sidebar {
  width: 168px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-primary);
  border-radius: 2px;
}

.sidebar-header {
  padding: 1.5rem 1rem 1.125rem;
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-logo {
  width: 70px;
  height: 70px;
  border-radius: 12px;
  object-fit: cover;
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  text-align: center;
  text-transform: uppercase;
}

.sidebar-nav {
  padding: 0.625rem 0;
}

.nav-section-title {
  padding: 1rem 1rem 0.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.nav-item {
  margin: 1px 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.55rem 0.875rem 0.55rem 1rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 450;
  border-left: 3px solid transparent;
  transition: all var(--transition-fast);
}

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

.nav-link.active {
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border-left-color: var(--info);
  font-weight: 500;
}

.nav-icon {
  width: 15px;
  height: 15px;
  font-size: 0.8rem;
  opacity: 0.7;
  flex-shrink: 0;
}

.nav-link.active .nav-icon {
  opacity: 1;
  color: var(--info);
}

/* =========================================
   Main Content Area
   ========================================= */

.main-content {
  flex: 1;
  margin-left: 168px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}

/* =========================================
   Header
   ========================================= */

.header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding: 0 1.5rem;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.sidebar-toggle:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

.breadcrumb {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.page-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

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

.theme-toggle:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.user-menu:hover {
  color: var(--text-primary);
  background-color: var(--accent-subtle);
}

/* =========================================
   Content Area
   ========================================= */

.content {
  flex: 1;
  padding: 1.5rem;
}

/* =========================================
   Cards
   ========================================= */

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--border-secondary);
}

.card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title i {
  color: var(--accent-secondary);
  font-size: 0.875rem;
}

/* =========================================
   Stats Grid - Yeni Profesyonel Tasarım
   ========================================= */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
  width: 100%;
  max-width: 100%;
}

.stat-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  min-width: 0;
  overflow: hidden;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-content {
  flex: 1;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

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

/* Gizle ikon label içindeki */
.stat-label i {
  display: none;
}

/* Yuvarlak ikon */
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-left: 1rem;
}

/* Stat Card Renk Varyantları */
.stat-card .stat-icon {
  background: var(--info-bg);
  color: var(--info);
}

.stat-card.secondary .stat-icon {
  background: var(--success-bg);
  color: var(--success);
}

.stat-card.info .stat-icon {
  background: var(--info-bg);
  color: var(--info);
}

.stat-card.warning .stat-icon {
  background: var(--warning-bg);
  color: var(--warning);
}

.stat-card.error .stat-icon {
  background: var(--error-bg);
  color: var(--error);
}

.stat-card.purple .stat-icon {
  background: var(--purple-bg);
  color: var(--purple);
}

.stat-card.success .stat-icon {
  background: var(--success-bg);
  color: var(--success);
}

.stat-card.orange .stat-icon {
  background: var(--orange-bg);
  color: var(--orange);
}

/* =========================================
   Buttons
   ========================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5625rem 1rem;
  border: none;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

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

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

.btn-secondary:hover {
  filter: brightness(1.1);
  color: #ffffff;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

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

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

.btn-danger:hover {
  filter: brightness(1.1);
  color: #ffffff;
}

.btn-warning {
  background-color: #b45309;
  color: #f5f0eb;
}

.btn-warning:hover {
  background-color: #a14708;
  color: #f5f0eb;
}

.btn-info {
  background-color: var(--info);
  color: #ffffff;
}

.btn-info:hover {
  filter: brightness(1.1);
  color: #ffffff;
}

.btn-sm {
  padding: 0.375rem 0.625rem;
  font-size: 0.75rem;
}

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

/* =========================================
   Forms
   ========================================= */

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 0.5625rem 0.875rem;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-control::placeholder {
  color: var(--text-tertiary);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b6b70' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1.25em 1.25em;
  padding-right: 2.5rem;
}

.textarea {
  resize: vertical;
  min-height: 100px;
}

textarea#chords {
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* =========================================
   Tables
   ========================================= */

.table-container {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-secondary);
  font-size: 0.8125rem;
}

.table th {
  background-color: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background-color: var(--accent-subtle);
}

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

/* =========================================
   Search & Filters
   ========================================= */

.search-filters {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 240px;
  position: relative;
}

.search-box input {
  padding-left: 2.5rem;
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* =========================================
   Pagination
   ========================================= */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 0.5rem;
  border: 1px solid var(--border-primary);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.pagination-item.active {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.pagination-item.disabled {
  opacity: 0.4;
  cursor: default;
  pointer-events: none;
}

/* =========================================
   Alerts
   ========================================= */

.alert {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  font-size: 0.8125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.alert-success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success);
}

.alert-error {
  background-color: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.alert-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.alert-info {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info);
}

.alert-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0.25rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

.alert-container {
  padding: 0 1.5rem;
}

.toast-container .alert-success {
  background-color: #16a34a;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(22, 163, 74, 0.3);
}

.toast-container .alert-error {
  background-color: #dc2626;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.3);
}

.toast-container .alert-warning {
  background-color: #d97706;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(217, 119, 6, 0.3);
}

.toast-container .alert-info {
  background-color: #2563eb;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.toast-container .alert-close {
  color: #ffffff;
  opacity: 0.8;
}

.toast-container .alert-close:hover {
  opacity: 1;
}

/* =========================================
   Badges
   ========================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-success {
  background-color: var(--success-bg);
  color: var(--success);
}

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

.badge-danger {
  background-color: var(--error-bg);
  color: var(--error);
}

.badge-info {
  background-color: var(--info-bg);
  color: var(--info);
}

.badge-secondary {
  background-color: var(--accent-subtle);
  color: var(--text-secondary);
}

/* =========================================
   Utility Classes
   ========================================= */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-primary { color: var(--accent-primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-danger { color: var(--error); }
.text-info { color: var(--info); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* =========================================
   Song List - Dashboard Cards
   ========================================= */

.song-list {
  display: flex;
  flex-direction: column;
}

.song-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-secondary);
  gap: 1rem;
}

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

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

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

.song-list-artist {
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.song-list-stat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.song-list-stat i {
  font-size: 0.6875rem;
}

.song-list-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* =========================================
   User List - Dashboard Cards
   ========================================= */

.user-list {
  display: flex;
  flex-direction: column;
}

.user-list-item {
  display: flex;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-secondary);
  gap: 0.75rem;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  margin: 0 -0.5rem;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  border-radius: var(--radius-md);
}

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

.user-list-item:hover {
  background-color: var(--accent-subtle);
}

.user-list-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 0.875rem;
  flex-shrink: 0;
  overflow: hidden;
}

.user-list-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

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

.user-list-meta {
  display: flex;
  gap: 0.75rem;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: 0.125rem;
}

.user-list-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.user-list-meta i {
  font-size: 0.625rem;
}

.user-list-status {
  flex-shrink: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 0 2px var(--success-bg);
}

/* =========================================
   Dashboard Cards Grid (3 columns)
   ========================================= */

.dashboard-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

/* =========================================
   User Modal (Dashboard)
   ========================================= */

.user-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.user-modal.active {
  opacity: 1;
  visibility: visible;
}

.user-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.user-modal-container {
  position: relative;
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: scale(0.9) translateY(20px);
  transition: all 0.3s ease;
}

.user-modal.active .user-modal-container {
  transform: scale(1) translateY(0);
}

.user-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.25rem;
  background: var(--accent-primary);
  color: #ffffff;
}

.user-modal-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
}

.user-modal-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #ffffff;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.user-modal-body {
  padding: 1.25rem;
  max-height: calc(90vh - 60px);
  overflow-y: auto;
}

.user-profile-header {
  margin-bottom: 1.25rem;
}

.profile-section {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.profile-image {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
}

.profile-placeholder {
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.75rem;
}

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

.user-name {
  margin: 0 0 0.25rem 0;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.user-email {
  margin: 0 0 0.5rem 0;
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.user-dates {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.date-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.date-item i {
  color: var(--accent-primary);
}

.stats-section {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stats-section .stat-item {
  background: var(--bg-tertiary);
  padding: 0.875rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  border: 1px solid var(--border-secondary);
}

.stats-section .stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: #ffffff;
}

.stats-section .stat-item.favorites .stat-icon { background: var(--error); }
.stats-section .stat-item.repertoires .stat-icon { background: var(--info); }
.stats-section .stat-item.private-songs .stat-icon { background: var(--warning); }

.stats-section .stat-info {
  display: flex;
  flex-direction: column;
}

.stats-section .stat-number {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stats-section .stat-label {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  margin-top: 0.125rem;
}

.user-content-section {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-secondary);
}

.user-content-section h5 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.user-content-section h5 i {
  color: var(--text-secondary);
  font-size: 0.75rem;
}

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

.repertoire-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.repertoire-name {
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--text-primary);
}

.repertoire-count {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.loading-spinner {
  text-align: center;
  padding: 3rem 1rem;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-primary);
  border-top: 3px solid var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

.loading-spinner p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0;
}

/* =========================================
   Mobile User Cards (Users Page)
   ========================================= */

.users-mobile-view {
  display: none;
}

.users-desktop-view {
  display: block;
}

.user-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.user-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.user-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.user-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.user-card-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
}

.user-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.user-card-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.125rem;
}

.user-card-email {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-card-stats {
  display: flex;
  gap: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-secondary);
}

.user-card-stat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.user-card-stat i {
  font-size: 0.625rem;
}

.user-card-stat.favorites i { color: var(--error); }
.user-card-stat.repertoires i { color: var(--info); }

.user-card-status {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
}

.user-card {
  position: relative;
}

/* =========================================
   Important Stats Grid - Dashboard
   ========================================= */

.important-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  padding: 0.5rem 0;
}

.stat-item {
  text-align: center;
  padding: 1.25rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
}

.stat-item-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--info);
  margin-bottom: 0.375rem;
  line-height: 1.2;
}

[data-theme="light"] .stat-item-number {
  color: var(--accent-secondary);
}

/* Bot Indicator - Stat Card Badge */
.stat-bot-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.4rem;
  width: 1.2rem;
  height: 1.2rem;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  vertical-align: middle;
  cursor: help;
  animation: pulse-bot 2s ease-in-out infinite;
}

.stat-bot-badge i {
  font-size: 0.6rem;
  color: rgba(255, 255, 255, 0.9);
}

@keyframes pulse-bot {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.stat-item-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* =========================================
   Card Grid for Dashboard
   ========================================= */

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

/* =========================================
   Mobile Responsiveness
   ========================================= */

@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .important-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dashboard-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dashboard-cards-grid .card:last-child {
    grid-column: span 2;
  }
}

@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }

  .sidebar.show {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
  }

  .sidebar-toggle {
    display: flex;
  }

  .header {
    padding: 0 1rem;
    height: 56px;
  }

  .content {
    padding: 0.75rem;
    max-width: 100%;
    overflow-x: hidden;
  }

  /* Stats Grid Mobile - 2x4 Grid */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    width: 100%;
  }

  .stat-card {
    padding: 0.875rem;
    min-width: 0;
    flex-direction: row;
    justify-content: space-between;
  }

  .stat-icon {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
    margin-left: 0.5rem;
  }

  .stat-number {
    font-size: 1.25rem;
    margin-bottom: 0.125rem;
  }

  .stat-label {
    font-size: 0.6875rem;
  }

  /* Important Stats Mobile */
  .important-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
  }

  .stat-item {
    padding: 0.625rem;
  }

  .stat-item-number {
    font-size: 1rem;
  }

  .stat-item-label {
    font-size: 0.625rem;
  }

  /* Card Mobile */
  .card {
    padding: 0.875rem;
    border-radius: var(--radius-md);
  }

  .card-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
  }

  .card-header .card-title {
    font-size: 0.875rem;
  }

  .search-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: auto;
  }

  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 640px;
  }

  .table th,
  .table td {
    padding: 0.625rem 0.75rem;
    font-size: 0.75rem;
  }

  /* Dashboard cards grid mobile */
  .dashboard-cards-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .dashboard-cards-grid .card:last-child {
    grid-column: span 1;
  }

  /* Dashboard song list mobile */
  .song-list-item {
    padding: 0.625rem 0;
  }

  .song-list-title {
    font-size: 0.8125rem;
  }
  
  /* User list mobile */
  .user-list-item {
    padding: 0.625rem 0.375rem;
  }
  
  .user-list-avatar {
    width: 36px;
    height: 36px;
    font-size: 0.75rem;
  }
  
  .user-list-name {
    font-size: 0.8125rem;
  }
  
  /* User modal mobile */
  .user-modal-container {
    width: 95%;
    max-height: 95vh;
  }
  
  .user-modal-body {
    padding: 1rem;
  }
  
  .profile-section {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
  
  .profile-image {
    width: 64px;
    height: 64px;
  }
  
  .profile-placeholder {
    font-size: 1.5rem;
  }
  
  .user-name {
    font-size: 1.125rem;
  }
  
  .user-dates {
    justify-content: center;
    gap: 0.75rem;
  }
  
  .stats-section {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
  }
  
  .stats-section .stat-item {
    flex-direction: column;
    text-align: center;
    padding: 0.75rem 0.5rem;
    gap: 0.5rem;
  }
  
  .stats-section .stat-icon {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }
  
  .stats-section .stat-number {
    font-size: 1rem;
  }
  
  /* Mobile Users Card View */
  .users-mobile-view {
    display: block;
  }
  
  .users-desktop-view {
    display: none;
  }

  .song-list-artist {
    font-size: 0.6875rem;
  }

  .song-list-stat {
    font-size: 0.75rem;
  }

  .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  .page-title {
    font-size: 1rem;
  }

  .page-subtitle {
    font-size: 0.75rem;
  }

  .d-flex {
    flex-wrap: wrap;
  }

  .breadcrumb {
    gap: 0;
  }

  .user-menu span {
    display: none;
  }
}

@media (max-width: 480px) {
  .content {
    padding: 0.5rem;
  }

  .stats-grid {
    gap: 0.375rem;
  }

  .stat-card {
    padding: 0.625rem;
  }

  .stat-icon {
    width: 32px;
    height: 32px;
    font-size: 0.75rem;
  }

  .stat-number {
    font-size: 1rem;
  }

  .stat-label {
    font-size: 0.5625rem;
  }

  .important-stats-grid {
    gap: 0.375rem;
  }

  .stat-item {
    padding: 0.625rem 0.5rem;
  }

  .stat-item-number {
    font-size: 0.875rem;
  }

  .stat-item-label {
    font-size: 0.5rem;
  }

  .card {
    padding: 0.75rem;
  }

  .pagination-item {
    min-width: 28px;
    height: 28px;
    font-size: 0.75rem;
  }
  
  /* User cards on small mobile */
  .user-card-grid {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .user-card {
    padding: 0.875rem;
  }
  
  .user-card-avatar {
    width: 40px;
    height: 40px;
    font-size: 0.875rem;
  }
  
  .user-card-name {
    font-size: 0.8125rem;
  }
  
  .user-card-email {
    font-size: 0.625rem;
  }
}

/* =========================================
   Mobile Overlay
   ========================================= */

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

/* =========================================
   Settings Page Styles
   ========================================= */

.status-info {
  margin-bottom: 1rem;
}

.status-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.connected {
  background-color: var(--success);
}

.status-label {
  font-weight: 500;
  color: var(--text-secondary);
}

.backup-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.backup-history h5 {
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.backup-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-md);
  margin-bottom: 0.5rem;
  border: 1px solid var(--border-secondary);
}

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

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

.backup-info small {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.backup-item .backup-actions {
  display: flex;
  gap: 0.375rem;
  margin-bottom: 0;
}

.form-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .backup-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .backup-item .backup-actions {
    width: 100%;
  }

  .backup-item .backup-actions .btn {
    flex: 1;
  }
}

/* =========================================
   Row/Column Grid System
   ========================================= */

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -0.5rem;
}

.col-md-6,
.col-md-12 {
  padding: 0 0.5rem;
  width: 100%;
}

@media (min-width: 768px) {
  .col-md-6 {
    width: 50%;
  }
}

/* =========================================
   Bulk Actions
   ========================================= */

.bulk-actions {
  margin-bottom: 1rem;
}

.bulk-actions .card {
  padding: 0.75rem 1rem;
}

/* =========================================
   Tag Filter
   ========================================= */

.tag-filter {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tag-filter label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.tag-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-checkbox {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.tag-checkbox input {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-primary);
}

/* =========================================
   Sortable Headers
   ========================================= */

.sortable {
  cursor: pointer;
  user-select: none;
}

.sortable:hover {
  color: var(--accent-primary);
}

.sortable i {
  margin-left: 0.25rem;
  font-size: 0.625rem;
}

/* =========================================
   Animation for Sidebar
   ========================================= */

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@media (max-width: 768px) {
  .sidebar.show {
    animation: slideInLeft var(--transition-normal) ease;
  }
}