/* ==========================================================================
   tech-dico-fr — Feuille de styles principale
   Style : minimaliste, sobre, inspiré Linear / Vercel
   ========================================================================== */


/* --------------------------------------------------------------------------
   VARIABLES GLOBALES
   -------------------------------------------------------------------------- */
:root {
  /* Couleurs — thème clair */
  --color-primary:       #0066FF;
  --color-primary-hover: #0052cc;
  --color-primary-subtle: #f0f5ff;

  --color-text:          #0a0a0a;
  --color-text-secondary: #52525b;
  --color-text-muted:    #a1a1aa;

  --color-bg:            #ffffff;
  --color-bg-subtle:     #fafafa;
  --color-bg-hover:      #f4f4f5;

  --color-border:        #e4e4e7;
  --color-border-strong: #d4d4d8;

  /* Typographie */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* 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:   4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-full: 9999px;

  /* Ombres */
  --shadow-xs: 0 1px 2px rgb(0 0 0 / 0.04);
  --shadow-sm: 0 1px 3px rgb(0 0 0 / 0.06), 0 1px 2px rgb(0 0 0 / 0.04);
  --shadow-md: 0 4px 8px rgb(0 0 0 / 0.06), 0 2px 4px rgb(0 0 0 / 0.04);

  --transition: 150ms ease;

  --max-width: 760px;
}

/* --------------------------------------------------------------------------
   MODE SOMBRE
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary:        #3b82f6;
    --color-primary-hover:  #2563eb;
    --color-primary-subtle: #0f172a;

    --color-text:           #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted:     #52525b;

    --color-bg:             #09090b;
    --color-bg-subtle:      #111113;
    --color-bg-hover:       #18181b;

    --color-border:         #27272a;
    --color-border-strong:  #3f3f46;
  }
}


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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem; /* 15px — légèrement plus petit que 16px pour un rendu plus dense */
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.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;
}


/* --------------------------------------------------------------------------
   CONTENEUR
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}


/* --------------------------------------------------------------------------
   BOUTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.8125rem; /* 13px */
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  text-decoration: none;
}

.btn--outline {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn--outline:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
  border-color: var(--color-border-strong);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}

/* Filtres catégorie */
.btn--filter {
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn--filter:hover {
  background: var(--color-bg-hover);
  color: var(--color-text);
  text-decoration: none;
}
.btn--filter.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}


/* --------------------------------------------------------------------------
   EN-TÊTE
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
}

.header__brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}

.header__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.header__tagline {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  display: none;
}
@media (min-width: 520px) {
  .header__tagline { display: inline; }
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}


/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.hero {
  padding-block: var(--space-12) var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.hero__subtitle {
  font-size: 1rem;
  color: var(--color-text-secondary);
  max-width: 400px;
  line-height: 1.5;
}

.hero__hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

kbd {
  display: inline-block;
  padding: 0.1em 0.4em;
  font-family: var(--font-mono);
  font-size: 0.7em;
  color: var(--color-text-secondary);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  line-height: 1.4;
}


/* --------------------------------------------------------------------------
   BARRE DE RECHERCHE
   -------------------------------------------------------------------------- */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
}

.search-input {
  width: 100%;
  padding: 0.625rem 0.875rem 0.625rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--color-text-muted); }
.search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(0 102 255 / 0.12), var(--shadow-sm);
}
@media (prefers-color-scheme: dark) {
  .search-input:focus {
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.2), var(--shadow-sm);
  }
}


/* --------------------------------------------------------------------------
   FILTRES
   -------------------------------------------------------------------------- */
.filters-section {
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}


/* --------------------------------------------------------------------------
   CONTENU PRINCIPAL
   -------------------------------------------------------------------------- */
.main {
  padding-block: var(--space-6) var(--space-16);
}

.stats {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.terms-grid {
  display: flex;
  flex-direction: column;
  gap: 1px; /* Séparation par ligne, pas par carte — rendu plus dense et pro */
  background: var(--color-border); /* Le gap révèle la couleur de fond comme séparateur */
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}


/* --------------------------------------------------------------------------
   CARTE D'UN TERME
   -------------------------------------------------------------------------- */
.term-card {
  background: var(--color-bg);
  padding: var(--space-5) var(--space-6);
  transition: background var(--transition);
}
.term-card:hover {
  background: var(--color-bg-subtle);
}

.term-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.term-card__en {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.term-card__fr {
  font-size: 0.875rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-3);
}

.term-card__definition {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

.term-card__example {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-border-strong);
  padding-left: var(--space-3);
  line-height: 1.6;
}
.term-card__example::before {
  content: "Ex. ";
  color: var(--color-text-secondary);
  font-weight: 500;
}

.term-card__see-also {
  margin-top: var(--space-3);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.term-card__see-also-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.see-also-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 0.15rem 0.5rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.see-also-tag:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}


/* --------------------------------------------------------------------------
   BADGE CATÉGORIE
   Tons neutres et discrets — pas de couleurs criardes
   -------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.badge--general   { background: #f4f4f5; color: #71717a; }
.badge--web       { background: #eff6ff; color: #3b82f6; }
.badge--backend   { background: #faf5ff; color: #8b5cf6; }
.badge--frontend  { background: #fff7ed; color: #f97316; }
.badge--database  { background: #f0fdf4; color: #22c55e; }
.badge--devops    { background: #fefce8; color: #ca8a04; }
.badge--git       { background: #fff1f2; color: #f43f5e; }
.badge--testing   { background: #f0f9ff; color: #0ea5e9; }
.badge--security  { background: #fdf4ff; color: #a855f7; }

@media (prefers-color-scheme: dark) {
  .badge--general   { background: #27272a; color: #a1a1aa; }
  .badge--web       { background: #172554; color: #60a5fa; }
  .badge--backend   { background: #2e1065; color: #a78bfa; }
  .badge--frontend  { background: #431407; color: #fb923c; }
  .badge--database  { background: #052e16; color: #4ade80; }
  .badge--devops    { background: #1c1400; color: #fbbf24; }
  .badge--git       { background: #4c0519; color: #fb7185; }
  .badge--testing   { background: #082f49; color: #38bdf8; }
  .badge--security  { background: #3b0764; color: #c084fc; }
}


/* --------------------------------------------------------------------------
   SURBRILLANCE RECHERCHE
   -------------------------------------------------------------------------- */
mark {
  background: rgb(0 102 255 / 0.12);
  color: var(--color-primary);
  border-radius: 2px;
  padding: 0 2px;
  font-weight: 600;
}
@media (prefers-color-scheme: dark) {
  mark { background: rgb(59 130 246 / 0.2); }
}


/* --------------------------------------------------------------------------
   ÉTAT VIDE
   -------------------------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding-block: var(--space-16);
  color: var(--color-text-muted);
}
.empty-state__title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.empty-state__text { font-size: 0.875rem; }


/* --------------------------------------------------------------------------
   PAGINATION
   -------------------------------------------------------------------------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  flex-wrap: wrap;
}
.pagination__info {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}


/* --------------------------------------------------------------------------
   PIED DE PAGE
   -------------------------------------------------------------------------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  text-align: center;
}

.footer__text {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}
.footer__text a { color: var(--color-text-muted); }
.footer__text a:hover { color: var(--color-text-secondary); }