/* ==========================================================================
   Base — reset, typographie, utilitaires
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01", "ss03";
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
svg { max-width: 100%; }
svg.lucide { display: inline-block; vertical-align: -.15em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
h1, h2, h3, h4, h5, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
hr { border: 0; border-top: 1px solid var(--border); margin: var(--sp-4) 0; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--r-sm); }

/* Barres de défilement discrètes */
* { scrollbar-width: thin; scrollbar-color: var(--surface-3) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--surface-3); border-radius: 10px; border: 3px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-track { background: transparent; }

/* Icônes Lucide */
.lucide, i[data-lucide] { width: 16px; height: 16px; stroke-width: 1.85; flex-shrink: 0; }
i[data-lucide] { display: inline-block; }
.ico-xs { width: 12px !important; height: 12px !important; }
.ico-sm { width: 14px !important; height: 14px !important; }
.ico-lg { width: 20px !important; height: 20px !important; }
.ico-xl { width: 24px !important; height: 24px !important; }

/* Typographie */
.h-display { font-size: var(--fs-4xl); font-weight: 700; letter-spacing: -.035em; line-height: 1.05; }
.h1 { font-size: var(--fs-3xl); font-weight: 680; letter-spacing: -.03em; line-height: var(--lh-tight); }
.h2 { font-size: var(--fs-2xl); font-weight: 650; letter-spacing: -.022em; line-height: 1.2; }
.h3 { font-size: var(--fs-xl); font-weight: 620; letter-spacing: -.015em; line-height: 1.25; }
.h4 { font-size: var(--fs-md); font-weight: 600; letter-spacing: -.008em; }
.eyebrow { font-size: var(--fs-2xs); font-weight: 600; letter-spacing: .09em; text-transform: uppercase; color: var(--text-3); }
.muted { color: var(--text-2); }
.subtle { color: var(--text-3); }
.small { font-size: var(--fs-sm); }
.xsmall { font-size: var(--fs-xs); }
.strong { font-weight: 600; }
.num, .tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum", "cv11"; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: .94em; letter-spacing: -.01em; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.nowrap { white-space: nowrap; }
.text-success { color: var(--success); } .text-warning { color: var(--warning); }
.text-danger { color: var(--danger); } .text-accent { color: var(--accent-text); } .text-live { color: var(--live); }
.text-right { text-align: right; } .text-center { text-align: center; }

/* Mise en page utilitaire */
.row { display: flex; align-items: center; gap: var(--sp-3); }
.row-sm { display: flex; align-items: center; gap: var(--sp-2); }
.row-xs { display: flex; align-items: center; gap: 6px; }
.col { display: flex; flex-direction: column; gap: var(--sp-3); }
.col-sm { display: flex; flex-direction: column; gap: var(--sp-2); }
.stack > * + * { margin-top: var(--sp-4); }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1 1 auto; min-width: 0; }
.shrink-0 { flex-shrink: 0; }
.ml-auto { margin-left: auto; }
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); } .mt-6 { margin-top: var(--sp-6); }
.mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.hidden, [hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Grille 12 colonnes */
.grid { display: grid; gap: var(--sp-4); grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid > * { min-width: 0; }
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; } .span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; } .span-6 { grid-column: span 6; } .span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; } .span-9 { grid-column: span 9; } .span-12 { grid-column: span 12; }
.grid-2 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1280px) {
  .xl-span-12 { grid-column: span 12; } .xl-span-6 { grid-column: span 6; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .grid > [class*="span-"] { grid-column: span 12; }
  .lg-span-6 { grid-column: span 6 !important; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .lg-span-6 { grid-column: span 12 !important; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

/* Animations partagées */
@keyframes rm-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes rm-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes rm-drop { from { opacity: 0; transform: translateY(-14px); } to { opacity: 1; transform: none; } }
@keyframes rm-pop { from { opacity: 0; transform: scale(.97) translateY(6px); } to { opacity: 1; transform: none; } }
@keyframes rm-pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.82); } }
@keyframes rm-ring { 0% { box-shadow: 0 0 0 0 currentColor; } 100% { box-shadow: 0 0 0 7px transparent; } }
@keyframes rm-shimmer { 0% { background-position: -400px 0; } 100% { background-position: 400px 0; } }
@keyframes rm-spin { to { transform: rotate(360deg); } }
@keyframes rm-slide-out-up { to { opacity: 0; transform: translateY(-16px); height: 0; padding-top: 0; padding-bottom: 0; margin: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}