/* Cémantix Solution — Mobile-first, no framework */

:root {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-primary: #3b82f6;
  --color-primary-dark: #1d4ed8;
  --color-accent: #f59e0b;
  --color-success: #10b981;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --radius: 0.75rem;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ── */

.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 1.25rem 1rem;
  text-align: center;
}

.site-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.site-header .subtitle {
  font-size: 0.9rem;
  opacity: .85;
  margin-top: .25rem;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* ── Cards ── */

.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: .75rem;
  color: var(--color-primary);
}

/* ── Solution box ── */

.solution-blur {
  display: inline-block;
  filter: blur(14px);
  transition: filter .45s cubic-bezier(.4,0,.2,1);
  user-select: none;
  margin: .5rem 0 .75rem;
}

.solution-blur.revealed {
  filter: blur(0);
  user-select: auto;
}

.solution-word {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .6rem 1.75rem;
  border-radius: var(--radius);
}

.puzzle-meta {
  font-size: .85rem;
  color: var(--color-muted);
  margin-top: .5rem;
}

.reveal-btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: .55rem 1.25rem;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  margin-top: .25rem;
}

.reveal-btn:hover  { background: var(--color-primary-dark); }
.reveal-btn:active { transform: scale(.98); }

/* ── Hints system ── */

.hint-level {
  margin-bottom: 1rem;
}

.hint-level:last-child { margin-bottom: 0; }

.hint-btn {
  display: block;
  width: 100%;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: calc(var(--radius) - .125rem);
  padding: .65rem 1rem;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  text-align: left;
}

.hint-btn:hover { background: #d97706; }
.hint-btn:active { transform: scale(.98); }
.hint-btn:disabled {
  background: var(--color-border);
  color: var(--color-muted);
  cursor: not-allowed;
}

.hint-content {
  display: none;
  margin-top: .5rem;
  padding: .75rem 1rem;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: calc(var(--radius) - .125rem);
  font-size: .9rem;
}

.hint-content.visible { display: block; }

.hint-words {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .4rem;
}

.hint-tag {
  background: var(--color-accent);
  color: #fff;
  padding: .2rem .6rem;
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
}

/* ── Archive navigation (prev/next) ── */

.nav-archive {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .65rem 1rem;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
  font-size: .9rem;
  gap: .5rem;
}

.nav-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  padding: .25rem .5rem;
  border-radius: calc(var(--radius) - .25rem);
  transition: background .15s;
  white-space: nowrap;
}

.nav-link:hover { background: var(--color-bg); }

.nav-disabled {
  color: var(--color-muted);
  font-weight: 600;
  padding: .25rem .5rem;
  white-space: nowrap;
}

.nav-center {
  color: var(--color-muted);
  font-size: .85rem;
  text-align: center;
  text-decoration: none;
}

.nav-center:hover { color: var(--color-primary); }

/* ── Archive list (index + section récente) ── */

.arch-list {
  list-style: none;
}

.arch-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: .9rem;
}

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

.arch-date {
  color: var(--color-muted);
  font-size: .85rem;
  min-width: 8rem;
  flex-shrink: 0;
}

.arch-num {
  color: var(--color-muted);
  font-size: .8rem;
  min-width: 3rem;
  flex-shrink: 0;
}

.arch-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: .03em;
}

.arch-link:hover { text-decoration: underline; }

/* ── Footer ── */

footer {
  text-align: center;
  font-size: .8rem;
  color: var(--color-muted);
  padding: 1.5rem 1rem;
  border-top: 1px solid var(--color-border);
}

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

/* ── Hub page ── */

.hub-main {
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.hub-intro {
  text-align: center;
  font-size: .95rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.games-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.game-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-text);
  border: 2px solid transparent;
  transition: border-color .15s, box-shadow .15s;
}

.game-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 24px rgba(59,130,246,.12);
}

.game-card-unavailable {
  opacity: .7;
}

.game-card-header {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .6rem;
}

.game-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.game-badge {
  display: inline-block;
  padding: .15rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  color: #fff;
}

.game-badge-semantix { background: #8b5cf6; }
.game-badge-sutom    { background: #ef4444; }

.game-card-desc {
  font-size: .9rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.game-card-solution {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}

.game-label {
  font-size: .8rem;
  color: var(--color-muted);
  font-weight: 600;
  white-space: nowrap;
}

.solution-blur-sm {
  display: inline-block;
  filter: blur(10px);
  transition: filter .45s cubic-bezier(.4,0,.2,1);
  user-select: none;
}

.solution-blur-sm.revealed {
  filter: blur(0);
  user-select: auto;
}

.solution-word-sm {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: .3rem .9rem;
  border-radius: calc(var(--radius) - .25rem);
}

.reveal-btn-sm {
  display: inline-block;
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: calc(var(--radius) - .25rem);
  padding: .2rem .65rem;
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.reveal-btn-sm:hover {
  background: var(--color-primary);
  color: #fff;
}

.game-link-arrow {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: .25rem;
}

.game-unavailable {
  font-size: .9rem;
  color: var(--color-muted);
  font-style: italic;
  margin-bottom: .75rem;
}

/* ── Sutom grid (lettres) ── */

.sutom-grid {
  display: inline-flex;
  gap: .35rem;
  margin: .5rem 0 .75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.sutom-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: .4rem;
  font-size: 1.1rem;
  font-weight: 800;
  text-transform: uppercase;
}

.sutom-correct {
  background: #ef4444;
  color: #fff;
}

.sutom-empty {
  background: var(--color-border);
  color: var(--color-muted);
  font-size: .8rem;
}

/* ── Loto balls ── */

.loto-balls {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: .75rem 0;
}

.loto-ball {
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: #f3f4f6;
  color: #1f2937;
  font-weight: 700;
  font-size: .95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #d1d5db;
  flex-shrink: 0;
}

.loto-ball-chance {
  background: #fbbf24;
  border-color: #f59e0b;
  color: #78350f;
}

/* Variantes petites (hub) */
.loto-balls-sm { gap: .25rem; margin: .4rem 0; }

.loto-ball-sm {
  width: 1.8rem;
  height: 1.8rem;
  font-size: .75rem;
}

/* Badge Loto (hub) */
.game-badge-loto {
  background: #fef3c7;
  color: #92400e;
  border-color: #fcd34d;
}

/* Badge EuroMillions (hub) */
.game-badge-em {
  background: #ede9fe;
  color: #5b21b6;
  border-color: #c4b5fd;
}

/* EuroMillions : étoile (fond violet) */
.em-star {
  background: #7c3aed;
  border-color: #6d28d9;
  color: #fff;
  font-size: .8rem;
}

/* ── Breadcrumb ── */

.breadcrumb {
  font-size: .8rem;
  color: var(--color-muted);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: .3rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb span { color: var(--color-muted); }

/* ── Responsive ── */

@media (min-width: 600px) {
  .site-header h1 { font-size: 2rem; }
  .solution-word { font-size: 2.5rem; }
}

@media (min-width: 640px) {
  .games-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}