/* ============================================================
   style.css — Groupe d'échange associatif
   Design : dark mode, glassmorphism, accessible, responsive
   ============================================================ */

/* ── 1. Variables & Reset ─────────────────────────────────── */
:root {
  --clr-bg: #0f1117;
  --clr-surface: #1a1d27;
  --clr-surface-2: #232738;
  --clr-glass: rgba(255, 255, 255, 0.06);
  --clr-border: rgba(255, 255, 255, 0.10);
  --clr-primary: #7c6af7;
  --clr-primary-h: #9b8df9;
  --clr-accent: #f97316;
  --clr-success: #22c55e;
  --clr-danger: #ef4444;
  --clr-warning: #eab308;
  --clr-text: #e2e4f0;
  --clr-muted: #8b90a8;
  --clr-link: #a78bfa;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, .4);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, .5);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, .6);
  --transition: 0.22s cubic-bezier(.4, 0, .2, 1);
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --max-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font);
  line-height: 1.65;
  min-height: 100vh;
}

/* ── 2. Typography ────────────────────────────────────────── */
h1,
h2,
h3,
h4 {
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
}

h2 {
  font-size: clamp(1.2rem, 3vw, 1.7rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin-bottom: 0.8em;
}

a {
  color: var(--clr-link);
  text-decoration: underline;
}

a:hover,
a:focus-visible {
  color: var(--clr-primary-h);
}

/* ── 3. Focus visible (accessibilité) ─────────────────────── */
:focus-visible {
  outline: 3px solid var(--clr-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── 4. Layout helpers ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container--wide {
  max-width: 1100px;
}

.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;
}

/* ── 5. Header / Nav ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: rgba(15, 17, 23, .80);
  border-bottom: 1px solid var(--clr-border);
  padding: 0.75rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--clr-text);
  letter-spacing: -0.03em;
}

.site-logo svg {
  flex-shrink: 0;
}

.logo-dot {
  color: var(--clr-primary);
}

nav {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.nav-link {
  padding: .4rem .9rem;
  border-radius: var(--radius-sm);
  color: var(--clr-muted);
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-text);
  background: var(--clr-glass);
}

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

/* ── 6. Hero / Auth pages ─────────────────────────────────── */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(124, 106, 247, .25) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(249, 115, 22, .15) 0%, transparent 55%),
    var(--clr-bg);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-lg);
  animation: fadeUp .4s ease both;
}

.auth-card h1 {
  margin-bottom: .25rem;
  font-size: 1.55rem;
  background: linear-gradient(135deg, #fff 30%, var(--clr-primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.auth-subtitle {
  color: var(--clr-muted);
  font-size: .88rem;
  margin-bottom: 1.75rem;
}

/* ── 7. Forms ─────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1.2rem;
}

label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--clr-muted);
  margin-bottom: .4rem;
  letter-spacing: .03em;
  text-transform: uppercase;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
textarea,
select {
  display: block;
  width: 100%;
  padding: .7rem 1rem;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: inherit;
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input::placeholder,
textarea::placeholder {
  color: var(--clr-muted);
  opacity: .7;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(124, 106, 247, .25);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--clr-danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, .2);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.field-error {
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-top: .4rem;
  color: var(--clr-danger);
  font-size: .82rem;
  font-weight: 500;
}

.field-error::before {
  content: "⚠";
  font-size: .9rem;
  flex-shrink: 0;
}

/* ── 8. Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  padding: .7rem 1.4rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), opacity var(--transition);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: .01em;
}

.btn:active {
  transform: scale(.97);
}

.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary) 0%, #5b4fcf 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(124, 106, 247, .35);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--clr-primary-h) 0%, #6f62e0 100%);
  box-shadow: 0 6px 24px rgba(124, 106, 247, .5);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--clr-danger) 0%, #b91c1c 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(239, 68, 68, .3);
}

.btn-danger:hover:not(:disabled) {
  box-shadow: 0 6px 24px rgba(239, 68, 68, .5);
  transform: translateY(-1px);
}

.btn-ghost {
  background: var(--clr-glass);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--clr-surface-2);
  border-color: var(--clr-primary);
}

.btn-sm {
  padding: .4rem .85rem;
  font-size: .82rem;
}

.btn-full {
  width: 100%;
}

/* ── 9. Alerts / Flash messages ───────────────────────────── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .9rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  margin-bottom: 1.25rem;
  border-left: 4px solid;
  animation: fadeIn .3s ease both;
}

.alert-success {
  background: rgba(34, 197, 94, .12);
  border-color: var(--clr-success);
  color: #86efac;
}

.alert-danger {
  background: rgba(239, 68, 68, .12);
  border-color: var(--clr-danger);
  color: #fca5a5;
}

.alert-warning {
  background: rgba(234, 179, 8, .12);
  border-color: var(--clr-warning);
  color: #fde047;
}

.alert-info {
  background: rgba(124, 106, 247, .12);
  border-color: var(--clr-primary);
  color: #c4b5fd;
}

/* ── 10. Dashboard layout ─────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  padding-block: 2rem;
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: 340px 1fr;
    align-items: start;
  }
}

.sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── 11. Cards ────────────────────────────────────────────── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

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

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--clr-border);
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-text);
}

/* ── 12. Post card (fil d'actualité) ──────────────────────── */
.post-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
  animation: fadeUp .35s ease both;
}

.post-card:hover {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-md);
}

.post-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.25rem .75rem;
}

.post-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.post-meta {
  flex: 1;
}

.post-author {
  font-weight: 700;
  font-size: .95rem;
}

.post-date {
  font-size: .78rem;
  color: var(--clr-muted);
}

.post-title {
  padding: 0 1.25rem .5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--clr-text);
}

.post-body {
  padding: 0 1.25rem .75rem;
  font-size: .92rem;
  color: var(--clr-muted);
  white-space: pre-wrap;
  word-break: break-word;
}

.post-body ul,
.post-body ol {
  padding-left: 1.5rem;
  margin: .5em 0;
}

.post-media {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.post-footer {
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  padding: .75rem 1.25rem;
  border-top: 1px solid var(--clr-border);
}

/* ── 13. Feed & Pagination ────────────────────────────────── */
.feed {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.page-link {
  min-width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  color: var(--clr-muted);
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.page-link:hover,
.page-link:focus-visible {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  border-color: var(--clr-primary);
}

.page-link.active {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
  color: #fff;
}

.page-link[aria-disabled="true"] {
  opacity: .35;
  pointer-events: none;
}

/* ── 14. Media preview ────────────────────────────────────── */
.media-preview-wrap {
  margin-top: .75rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  display: none;
}

.media-preview-wrap.visible {
  display: block;
}

#media-preview-img,
#media-preview-vid {
  width: 100%;
  max-height: 280px;
  object-fit: cover;
  display: block;
}

.file-info {
  font-size: .78rem;
  color: var(--clr-muted);
  margin-top: .35rem;
}

/* ── 15. Modal ────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(.96);
  transition: transform var(--transition);
}

.modal-backdrop.open .modal {
  transform: translateY(0) scale(1);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .6rem;
}

.modal-body {
  color: var(--clr-muted);
  font-size: .92rem;
  margin-bottom: 1.5rem;
}

.modal-actions {
  display: flex;
  gap: .75rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ── 16. Admin table ──────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

thead {
  background: var(--clr-surface-2);
  position: sticky;
  top: 0;
}

th {
  padding: .75rem 1rem;
  text-align: left;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  font-size: .75rem;
  letter-spacing: .06em;
  white-space: nowrap;
}

td {
  padding: .75rem 1rem;
  border-top: 1px solid var(--clr-border);
  vertical-align: middle;
  word-break: break-word;
}

tbody tr {
  transition: background var(--transition);
}

tbody tr:hover {
  background: var(--clr-glass);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.badge-admin {
  background: rgba(124, 106, 247, .2);
  color: var(--clr-primary-h);
}

.badge-user {
  background: rgba(139, 144, 168, .15);
  color: var(--clr-muted);
}

/* ── 17. User info widget ──────────────────────────────────── */
.user-widget {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem;
  background: var(--clr-surface-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

.user-avatar-lg {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  color: #fff;
  flex-shrink: 0;
}

.user-name {
  font-weight: 700;
  font-size: 1rem;
}

.user-email {
  font-size: .8rem;
  color: var(--clr-muted);
}

/* ── 18. Stats chips (admin) ──────────────────────────────── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.stat-chip {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  text-align: center;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: .78rem;
  color: var(--clr-muted);
  margin-top: .2rem;
}

/* ── 19. Tabs (admin) ─────────────────────────────────────── */
.tabs {
  display: flex;
  gap: .25rem;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 1.75rem;
  overflow-x: auto;
}

.tab-btn {
  padding: .65rem 1.2rem;
  border: none;
  background: none;
  color: var(--clr-muted);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

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

.tab-btn[aria-selected="true"] {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn .25s ease;
}

/* ── 20. Dividers & misc ──────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin: 1.25rem 0;
}

.text-muted {
  color: var(--clr-muted);
  font-size: .88rem;
}

.text-center {
  text-align: center;
}

.mt-1 {
  margin-top: .5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.gap-sm {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-size: .78rem;
  margin-bottom: .75rem;
}

/* ── 21. Animations ───────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

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

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, .25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

/* ── 22. Media queries ────────────────────────────────────── */
@media (max-width: 600px) {
  .auth-card {
    padding: 1.5rem 1.25rem;
  }

  .modal {
    padding: 1.5rem 1.25rem;
  }

  .card {
    padding: 1.1rem;
  }

  .post-header {
    padding: .9rem 1rem .6rem;
  }

  .post-title {
    padding: 0 1rem .5rem;
  }

  .post-body {
    padding: 0 1rem .6rem;
  }

  .post-footer {
    padding: .6rem 1rem;
  }

  th,
  td {
    padding: .6rem .75rem;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ── 23. Print ────────────────────────────────────────────── */
@media print {

  .site-header,
  .sidebar,
  .btn,
  .pagination {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }
}