/* ============================================================
   VADROUILLE — Feuille de style principale
   Design : moderne, épuré, orienté découverte
   ============================================================ */

/* ============================================================
   1. VARIABLES & TOKENS
   ============================================================ */

:root {
  /* Couleurs principales */
  --color-bg:              #f7f6f2;
  --color-surface:         #ffffff;
  --color-surface-2:       #f0efeb;
  --color-border:          rgba(0, 0, 0, 0.10);
  --color-divider:         #e0deda;

  /* Texte */
  --color-text:            #1e1c17;
  --color-text-muted:      #6b6a65;
  --color-text-faint:      #b0afaa;

  /* Accent principal — bleu-vert explorateur */
  --color-primary:         #0077b6;
  --color-primary-hover:   #005f92;
  --color-primary-light:   #e0f0fa;

  /* États */
  --color-success:         #2d7a3a;
  --color-success-light:   #e6f4e8;
  --color-error:           #c0392b;
  --color-error-light:     #fdecea;
  --color-warning:         #b05a00;
  --color-warning-light:   #fef3e2;

  /* Typographie */
  --font-body:    'Inter', 'Segoe UI', sans-serif;
  --font-display: 'Inter', 'Segoe UI', sans-serif;

  /* Tailles de texte fluides */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3rem);

  /* Espacements */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Rayons */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.07);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.09);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);

  /* Largeurs */
  --content-default: 1100px;
  --content-narrow:  680px;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img, video { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { line-height: 1.2; text-wrap: balance; }
p { text-wrap: pretty; max-width: 70ch; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

button { cursor: pointer; border: none; background: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   3. LAYOUT
   ============================================================ */

.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

main {
  flex: 1;
  padding-block: var(--space-10);
}

/* ============================================================
   4. HEADER & NAVIGATION
   ============================================================ */

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 60px;
}

/* Logo */
.site-logo {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  letter-spacing: -0.02em;
}

.site-logo:hover { text-decoration: none; color: var(--color-primary); }
.site-logo span { color: var(--color-primary); }

/* Navigation principale */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
  text-decoration: none;
}

.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* Actions header */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ============================================================
   5. BOUTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover { text-decoration: none; }

/* Primaire */
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

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

/* Secondaire */
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-faint);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

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

.btn-danger:hover {
  background: #a93226;
  color: #ffffff;
}

/* Tailles */
.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
}

/* ============================================================
   6. FORMULAIRES
   ============================================================ */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-label .required {
  color: var(--color-error);
  margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-faint);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
}

.form-input.is-invalid,
.form-textarea.is-invalid {
  border-color: var(--color-error);
}

/* ============================================================
   7. CARTES SITES
   ============================================================ */

.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
  gap: var(--space-6);
}

.site-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: box-shadow var(--transition), transform var(--transition);
}

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

.site-card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-card-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-card-title:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.site-card-description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.site-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-divider);
}

.site-card-url {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

.site-card-likes {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================================
   8. BADGES & TAGS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary  { background: var(--color-primary-light); color: var(--color-primary); }
.badge-success  { background: var(--color-success-light); color: var(--color-success); }
.badge-error    { background: var(--color-error-light);   color: var(--color-error); }
.badge-warning  { background: var(--color-warning-light); color: var(--color-warning); }
.badge-neutral  { background: var(--color-surface-2);     color: var(--color-text-muted); }

/* ============================================================
   9. MESSAGES FLASH
   ============================================================ */

.flash-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
  border: 1px solid transparent;
}

.flash-success {
  background: var(--color-success-light);
  color: var(--color-success);
  border-color: #b7dfc0;
}

.flash-error {
  background: var(--color-error-light);
  color: var(--color-error);
  border-color: #f5c6c2;
}

.flash-warning {
  background: var(--color-warning-light);
  color: var(--color-warning);
  border-color: #f5ddb0;
}

.flash-info {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: #b0d6f0;
}

/* ============================================================
   10. PAGINATION
   ============================================================ */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.pagination a:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

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

/* ============================================================
   11. FOOTER
   ============================================================ */

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
  margin-top: auto;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-4);
}

.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
}

/* ============================================================
   12. PAGE : HERO (accueil)
   ============================================================ */

.hero {
  text-align: center;
  padding-block: var(--space-16) var(--space-10);
}

.hero-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.hero-title span { color: var(--color-primary); }

.hero-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

/* ============================================================
   13. PAGE : AUTH (login / register)
   ============================================================ */

.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  max-width: 420px;
  margin-inline: auto;
  box-shadow: var(--shadow-md);
}

.auth-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  text-align: center;
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================================
   14. PAGE : ADMIN
   ============================================================ */

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.admin-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-divider);
}

.admin-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  vertical-align: middle;
}

.admin-table tr:hover td { background: var(--color-surface-2); }

/* ============================================================
   15. UTILITAIRES
   ============================================================ */

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.text-center { text-align: center; }
.text-muted  { color: var(--color-text-muted); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }

/* ============================================================
   16. RESPONSIVE MOBILE
   ============================================================ */

@media (max-width: 768px) {
  .container,
  .container--narrow { padding-inline: var(--space-4); }

  .header-inner { height: 54px; }

  .site-nav { display: none; } /* menu mobile à venir */

  .hero { padding-block: var(--space-10) var(--space-8); }

  .sites-grid { gap: var(--space-4); }

  .footer-inner { flex-direction: column; text-align: center; }

  .auth-card { padding: var(--space-6); margin-inline: var(--space-4); }

  .admin-table { font-size: var(--text-xs); }
  .admin-table th, .admin-table td { padding: var(--space-2) var(--space-3); }
}