/* =====================================================
   KASH CRITICS - Kashmiri Diacritics Converter
   Premium Modern UI with Glassmorphism & Animations
   ===================================================== */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Light Theme Colors */
  --bg-primary: #f0f4f8;
  --bg-secondary: rgba(255, 255, 255, 0.8);
  --bg-tertiary: rgba(241, 245, 249, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.6);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: rgba(226, 232, 240, 0.8);
  --border-focus: #6366f1;

  /* Accent Colors */
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-secondary: #8b5cf6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-cyan: #06b6d4;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-header: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, hsla(228, 93%, 67%, 0.15) 0px, transparent 50%),
    radial-gradient(at 80% 0%, hsla(262, 83%, 67%, 0.15) 0px, transparent 50%),
    radial-gradient(at 0% 50%, hsla(189, 100%, 56%, 0.1) 0px, transparent 50%),
    radial-gradient(at 80% 50%, hsla(340, 100%, 76%, 0.1) 0px, transparent 50%),
    radial-gradient(at 0% 100%, hsla(269, 100%, 77%, 0.1) 0px, transparent 50%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.12), 0 5px 15px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.4);
  --shadow-glow-success: 0 0 30px rgba(16, 185, 129, 0.4);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-arabic: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', 'Scheherazade New', serif;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0a0a0f;
  --bg-secondary: rgba(30, 41, 59, 0.7);
  --bg-tertiary: rgba(51, 65, 85, 0.6);
  --bg-glass: rgba(15, 23, 42, 0.7);
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: rgba(51, 65, 85, 0.6);
  --border-focus: #818cf8;

  --gradient-mesh: radial-gradient(at 40% 20%, hsla(228, 93%, 67%, 0.12) 0px, transparent 50%),
    radial-gradient(at 80% 0%, hsla(262, 83%, 67%, 0.12) 0px, transparent 50%),
    radial-gradient(at 0% 50%, hsla(189, 100%, 56%, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 50%, hsla(340, 100%, 76%, 0.08) 0px, transparent 50%);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.5), 0 5px 15px rgba(0, 0, 0, 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition-base), color var(--transition-base);
}

/* ===== Animated Background ===== */
.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--gradient-mesh);
  position: relative;
}

.app::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* RTL Text Support - Nastaliq Font Styling */
.rtl {
  direction: rtl;
  text-align: right;
  font-family: var(--font-arabic), var(--font-sans);
  line-height: 2.4;
  font-size: 1.25rem;
}

/* ===== Header ===== */
.app-header {
  background: var(--gradient-header);
  color: #ffffff;
  padding: var(--spacing-2xl) var(--spacing-xl);
  position: relative;
  overflow: hidden;
  z-index: 10;
}

.app-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.6;
}

.app-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

.header-content {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.logo-section h1 {
  font-size: 2.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  letter-spacing: -0.02em;
}

.logo-icon {
  font-family: var(--font-arabic);
  font-size: 2.75rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  line-height: 1.4;
}

.tagline {
  opacity: 0.85;
  font-size: 1rem;
  margin-top: var(--spacing-xs);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.header-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.header-description {
  position: relative;
  max-width: 1400px;
  margin: var(--spacing-xl) auto 0;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.header-description p {
  opacity: 0.9;
  font-size: 1rem;
  line-height: 1.7;
}

.header-description strong {
  color: #c4b5fd;
  font-weight: 600;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  padding: var(--spacing-2xl) var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}

.converter-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

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

/* ===== Glass Card Effect ===== */
.converter-section,
.results-section,
.export-panel {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.converter-section:hover,
.results-section:hover,
.export-panel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ===== Converter Section ===== */
.input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.input-header h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.input-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.text-input {
  width: 100%;
  min-height: 300px;
  padding: var(--spacing-xl);
  font-family: var(--font-arabic), var(--font-sans);
  font-size: 1.4rem;
  line-height: 2.6;
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  resize: vertical;
  transition: all var(--transition-base);
}

.text-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), var(--shadow-glow);
}

.text-input::placeholder {
  color: var(--text-muted);
  opacity: 0.6;
  font-size: 1.1rem;
}

.convert-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.text-stats {
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

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

.btn:disabled::before {
  display: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.3);
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(-1px) scale(1);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: 1.05rem;
  border-radius: var(--radius-xl);
}

.btn-secondary {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-icon-only {
  padding: var(--spacing-sm);
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-icon-only:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

.btn-icon {
  padding: var(--spacing-sm);
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.btn-icon:hover {
  color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.1);
  transform: scale(1.1);
}

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

/* ===== Results Section ===== */
.results-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.results-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 220px;
  color: var(--text-muted);
  text-align: center;
  padding: var(--spacing-xl);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.4;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

.results-empty p {
  font-size: 1.05rem;
  margin-bottom: var(--spacing-sm);
}

.results-empty .hint {
  font-size: 0.9rem;
  opacity: 0.7;
}

.table-container {
  max-height: 450px;
  overflow-y: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
}

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

.results-table th,
.results-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.results-table th {
  background: var(--bg-tertiary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.results-table th.rtl,
.results-table td.rtl {
  text-align: right;
  font-family: var(--font-arabic), var(--font-sans);
}

.results-table .row-number {
  width: 50px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.results-table .actions {
  width: 50px;
  text-align: center;
}

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

.results-table tbody tr:hover {
  background: rgba(99, 102, 241, 0.05);
}

.results-table .diacritical {
  color: var(--accent-primary);
  font-size: 1.35rem;
  line-height: 2.5;
  padding: var(--spacing-md) var(--spacing-lg);
}

.results-table .non-diacritical {
  font-size: 1.35rem;
  line-height: 2.5;
  padding: var(--spacing-md) var(--spacing-lg);
}

.results-footer {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-md);
}

.row-count {
  color: var(--text-muted);
  font-size: 0.9rem;
  background: var(--bg-tertiary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
}

/* ===== Export Panel ===== */
.export-panel h3 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.export-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

@media (max-width: 600px) {
  .export-buttons {
    grid-template-columns: 1fr;
  }
}

.btn-export {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  color: var(--text-primary);
}

.btn-export:hover:not(:disabled) {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.btn-export:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-export.xlsx {
  border-color: rgba(16, 185, 129, 0.3);
}

.btn-export.xlsx:hover:not(:disabled) {
  border-color: var(--accent-success);
  background: rgba(16, 185, 129, 0.1);
  box-shadow: var(--shadow-lg), var(--shadow-glow-success);
}

.btn-export.tsv {
  border-color: rgba(245, 158, 11, 0.3);
}

.btn-export.tsv:hover:not(:disabled) {
  border-color: var(--accent-warning);
  background: rgba(245, 158, 11, 0.1);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.3);
}

.btn-export.jsonl {
  border-color: rgba(139, 92, 246, 0.3);
}

.btn-export.jsonl:hover:not(:disabled) {
  border-color: var(--accent-secondary);
  background: rgba(139, 92, 246, 0.1);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(139, 92, 246, 0.3);
}

.export-label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.export-label strong {
  font-size: 1rem;
  font-weight: 600;
}

.export-label small {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.export-info {
  margin-top: var(--spacing-lg);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  padding: var(--spacing-md);
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.export-info strong {
  color: var(--accent-primary);
  font-size: 1.1rem;
}

/* ===== Help Section ===== */
.help-section {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  padding: var(--spacing-2xl) var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

.help-section>h2 {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.4rem;
  max-width: 1400px;
  margin: 0 auto var(--spacing-2xl);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.help-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto var(--spacing-2xl);
}

.help-card {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

.help-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-primary);
}

.help-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-lg);
  font-size: 1.6rem;
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.help-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.help-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.diacritics-info {
  max-width: 1400px;
  margin: 0 auto var(--spacing-2xl);
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 1px solid var(--border-color);
}

.diacritics-info h3 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.diacritics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.diacritics-grid span {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-family: var(--font-arabic);
  font-size: 1.6rem;
  cursor: help;
  transition: all var(--transition-bounce);
}

.diacritics-grid span:hover {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  transform: scale(1.2) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.use-case {
  max-width: 1400px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-xl);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.use-case h3 {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.use-case p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.use-case ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.use-case li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-secondary);
  padding: var(--spacing-sm) 0;
}

.use-case li::before {
  content: '✓';
  color: var(--accent-success);
  font-weight: bold;
  font-size: 1.1rem;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  border-radius: var(--radius-full);
}

/* ===== Footer ===== */
.app-footer {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  z-index: 1;
}

.app-footer p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.app-footer a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  margin-left: var(--spacing-sm);
  transition: all var(--transition-fast);
}

.app-footer a:hover {
  text-decoration: underline;
  color: var(--accent-secondary);
}

/* ===== Animations ===== */
@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 1s linear infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-tertiary);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ===== Selection ===== */
::selection {
  background: rgba(99, 102, 241, 0.3);
  color: var(--text-primary);
}