/*
 * DuoVote - Ana CSS
 * Modern, mobil-first tasarım
 */

/* ===== CSS Variables ===== */
/* ===== CSS Variables ===== */
:root {
  /* Renkler - Coffee Lab temalı (C01F3B, 1A1919, FFFFFE) */
  --primary: #c01f3b; /* Logo bordo/kırmızı */
  --primary-dark: #8f1729; /* Daha koyu bordo */
  --primary-light: #d94d66; /* Açık bordo/pembe */

  --secondary: #1a1919; /* Logo siyah */
  --secondary-dark: #0d0d0d; /* Daha koyu siyah */
  --secondary-light: #4a4a4a; /* Açık gri */

  --accent: #d94d66; /* Vurgu rengi (açık bordo) */
  --accent-dark: #c01f3b; /* Koyu vurgu */

  --success: #2a9d8f; /* Yeşil (değişmedi) */
  --warning: #e9c46a; /* Sarı (değişmedi) */
  --danger: #c01f3b; /* Hata rengi (bordo) */

  /* Nötr tonlar */
  --bg-primary: #fffffe; /* Logo beyaz */
  --bg-secondary: #f5f5f5; /* Açık gri arka plan */
  --bg-card: #ffffff; /* Kart arka planı */
  --bg-dark: #1a1919; /* Koyu arka plan */

  --text-primary: #1a1919; /* Ana metin (siyah) */
  --text-secondary: #4a4a4a; /* İkincil metin (gri) */
  --text-muted: #6c757d; /* Soluk metin */
  --text-light: #fffffe; /* Açık metin */

  /* Gölgeler */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Font */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-display: "Poppins", var(--font-sans);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Z-index */
  --z-dropdown: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1919; /* Logo siyah arka plan */
    --bg-secondary: #2a2424; /* Hafif açık siyah */
    --bg-card: #333030; /* Kart arka planı */
    --text-primary: #fffffe; /* Logo beyaz metin */
    --text-secondary: #d1d1d1; /* Açık gri metin */
    --text-muted: #9ca3af; /* Soluk metin (aynı) */
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
}
h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
}

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

a:hover {
  color: var(--primary-dark);
}

/* ===== Layout ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-sm {
  max-width: 640px;
}
.container-md {
  max-width: 768px;
}
.container-lg {
  max-width: 1024px;
}

/* ===== Header ===== */
.header {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: var(--space-md) 0;
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

.logo-image {
  height: 3rem;
  width: auto;
  display: block;
}

.logo-icon {
  font-size: 1.5rem;
}

.nav {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  color: var(--text-light);
  opacity: 0.8;
  font-weight: 500;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-xs);
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-dark);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: var(--space-sm) var(--space-md);
  }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--primary);
  color: white;
}

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

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

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

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.05);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-block {
  width: 100%;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

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

.card-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

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

/* ===== Forms ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  border: 2px solid #e5e7eb;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

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

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

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.form-error {
  color: var(--danger);
}

/* File input custom */
.file-input-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  border: 2px dashed #d1d5db;
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.file-input-wrapper:hover,
.file-input-wrapper.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}

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

.file-input-icon {
  font-size: 3rem;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.file-input-text {
  color: var(--text-secondary);
  text-align: center;
}

.file-input-text strong {
  color: var(--primary);
}

/* ===== Photo Grid (Duel) ===== */
.duel-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg) 0;
  min-height: calc(100vh - 80px);
  min-height: calc(100dvh - 80px);
}

.duel-question {
  text-align: center;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 600;
  color: var(--text-primary);
}

.duel-photos {
  display: flex;
  gap: var(--space-md);
  width: 100%;
  max-width: 1400px;
  justify-content: center;
  align-items: stretch;
}

.photo-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--bg-tertiary);
  box-shadow: var(--shadow-md);
  flex: 1;
  max-width: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.photo-card img {
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

@media (max-width: 768px) {
  .duel-photos {
    flex-direction: column;
    align-items: center;
  }

  .photo-card {
    max-width: 100%;
    width: 100%;
  }

  .photo-card img {
    max-height: 40vh;
    width: 100%;
    object-fit: contain;
  }
}

.photo-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 4px solid transparent;
  border-radius: var(--radius-xl);
  transition: all var(--transition-fast);
  z-index: 1;
  pointer-events: none;
}

.photo-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-xl);
}

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

.photo-card.selected::before {
  border-color: var(--success);
  border-width: 6px;
}

.photo-card img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.photo-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.photo-card:hover .photo-card-overlay {
  opacity: 1;
}

.photo-number {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  width: 40px;
  height: 40px;
  background: var(--bg-dark);
  color: var(--text-light);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.125rem;
  z-index: 2;
}

/* Vote buttons */
.vote-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  width: 100%;
  max-width: 500px;
}

@media (max-width: 640px) {
  .vote-buttons {
    grid-template-columns: 1fr;
  }
}

.vote-btn {
  padding: var(--space-lg);
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

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

.progress-bar {
  flex: 1;
  height: 8px;
  background: #e5e7eb;
  border-radius: var(--radius-full);
  overflow: hidden;
  max-width: 200px;
}

.progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

/* ===== Leaderboard ===== */
.leaderboard-header {
  text-align: center;
  padding: var(--space-2xl) 0;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.leaderboard-table th,
.leaderboard-table td {
  padding: var(--space-md);
  text-align: left;
}

.leaderboard-table th {
  background: var(--bg-dark);
  color: var(--text-light);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.leaderboard-table tbody tr {
  border-bottom: 1px solid #e5e7eb;
  transition: background var(--transition-fast);
}

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

.leaderboard-table tbody tr:hover {
  background: var(--bg-secondary);
}

.leaderboard-rank {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-muted);
  width: 50px;
}

.leaderboard-rank.top-1 {
  color: #ffd700;
}
.leaderboard-rank.top-2 {
  color: #c0c0c0;
}
.leaderboard-rank.top-3 {
  color: #cd7f32;
}

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

.leaderboard-photo img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.leaderboard-photo img:hover {
  transform: scale(1.1);
}

.leaderboard-elo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--primary);
}

.leaderboard-stats {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Mobile leaderboard */
@media (max-width: 640px) {
  .leaderboard-table thead {
    display: none;
  }

  .leaderboard-table tbody tr {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--space-sm);
    padding: var(--space-md);
    align-items: center;
  }

  .leaderboard-table td {
    padding: 0;
  }

  .leaderboard-rank {
    grid-row: span 2;
  }

  .leaderboard-photo {
    grid-column: 2;
  }

  .leaderboard-stats {
    grid-column: 2 / -1;
    grid-row: 2;
  }

  .leaderboard-elo {
    grid-row: span 2;
    justify-self: end;
  }
}

/* ===== Stats Cards ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

/* ===== Footer ===== */
.app-footer {
  text-align: center;
  padding: var(--space-md);
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-top: var(--space-xl);
  opacity: 0.7;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

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

/* ===== Admin Panel ===== */
.admin-tabs {
  display: flex;
  gap: var(--space-xs);
  background: var(--bg-secondary);
  padding: var(--space-xs);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  overflow-x: auto;
}

.admin-tab {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.admin-tab.active {
  background: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.admin-panel {
  display: none;
}

.admin-panel.active {
  display: block;
}

/* Photo grid for admin */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.admin-photo-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.admin-photo-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  background: var(--bg-tertiary);
}

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

.admin-photo-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.admin-photo-actions {
  display: flex;
  gap: var(--space-sm);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-pending {
  background: var(--warning);
  color: var(--text-primary);
}

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

.badge-rejected {
  background: var(--danger);
  color: white;
}

.badge-inactive {
  background: var(--text-muted);
  color: white;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid #e5e7eb;
}

.modal-title {
  font-size: 1.25rem;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
}

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

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

.modal-body img {
  max-width: 100%;
  border-radius: var(--radius-md);
}

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

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: translateX(120%);
  transition: transform var(--transition-normal);
  max-width: 350px;
}

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

.toast-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.toast-success .toast-icon {
  color: var(--success);
}
.toast-error .toast-icon {
  color: var(--danger);
}
.toast-warning .toast-icon {
  color: var(--warning);
}
.toast-info .toast-icon {
  color: var(--secondary);
}

.toast-message {
  flex: 1;
  font-size: 0.875rem;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0;
  line-height: 1;
}

/* ===== Loading States ===== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #e5e7eb;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, #e5e7eb 25%, #f3f4f6 50%, #e5e7eb 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s ease infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ===== Empty States ===== */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

/* ===== Finish Screen ===== */
.finish-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: var(--space-2xl);
}

.finish-icon {
  font-size: 5rem;
  margin-bottom: var(--space-lg);
  animation: bounce 1s ease infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.finish-title {
  font-size: clamp(1.5rem, 5vw, 2rem);
  margin-bottom: var(--space-md);
}

.finish-text {
  color: var(--text-secondary);
  max-width: 400px;
  margin-bottom: var(--space-lg);
}

/* ===== Utilities ===== */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.text-right {
  text-align: right;
}

.text-primary {
  color: var(--primary);
}
.text-secondary {
  color: var(--text-secondary);
}
.text-muted {
  color: var(--text-muted);
}
.text-success {
  color: var(--success);
}
.text-danger {
  color: var(--danger);
}

.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mt-xl {
  margin-top: var(--space-xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}
.mb-xl {
  margin-bottom: var(--space-xl);
}

.hidden {
  display: none !important;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ===== Animations ===== */
.fade-in {
  animation: fadeIn var(--transition-normal) ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.slide-up {
  animation: slideUp var(--transition-normal) ease;
}

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

.scale-in {
  animation: scaleIn var(--transition-normal) ease;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ===== Print ===== */
@media print {
  .header,
  .nav,
  .btn,
  .toast-container {
    display: none !important;
  }
}