/* styles.css — système de design « Rivage » (dashboard hôtelier générique).
   Identité : registre d'hôtel — filets fins, serif éditoriale (Fraunces),
   accent pin + laiton, KPI en style ledger. Palette données validée (dataviz). */

:root {
  /* surfaces & encre */
  --paper:   #F4F1EA;
  --surface: #FCFAF5;
  --sunken:  #EFEBE0;
  --ink:     #23281F;
  --muted:   #6C6B5E;
  --faint:   #9A988B;
  --line:    #E6E1D4;
  --line-2:  #D8D2C2;
  /* accents identité */
  --pine:    #0F5C46;
  --brass:   #A9823F;
  /* palette données (validée CVD/contraste) */
  --c1: #0F7A5A;  --c2: #C77D18;  --c3: #2D6E9E;
  --c4: #B23A2E;  --c5: #7E4E9C;  --c6: #8C8A1E;
  /* sémantique */
  --pos: #1F7A54;  --neg: #B23A2E;
  /* type */
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --shadow: 0 1px 2px rgba(35,40,31,.04), 0 6px 20px -12px rgba(35,40,31,.14);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 14px; line-height: 1.5;
  font-feature-settings: "tnum" 1, "cv05" 1;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- HEADER ---------- */
.hdr { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.hdr-rule { height: 2px; background: linear-gradient(90deg, var(--brass), color-mix(in srgb, var(--brass) 40%, transparent) 60%, transparent); }
.hdr-in { max-width: 1180px; margin: 0 auto; padding: 14px 28px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand .mark { font-family: var(--serif); font-weight: 600; font-size: 22px; letter-spacing: .01em; color: var(--ink); }
.brand .mark em { font-style: italic; color: var(--pine); }
.brand .eyebrow { font-size: 9.5px; letter-spacing: .28em; text-transform: uppercase; color: var(--faint); margin-top: 5px; font-weight: 600; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 600; color: var(--muted); padding: 8px 12px; border-radius: 7px; position: relative; transition: color .15s, background .15s; }
.nav a:hover { color: var(--ink); background: var(--sunken); }
.nav a.active { color: var(--pine); }
.nav a.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px; background: var(--brass); border-radius: 2px; }
.period { font-size: 11px; font-weight: 600; letter-spacing: .04em; color: var(--muted); border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 14px; white-space: nowrap; }
.period b { color: var(--ink); }

/* ---------- LAYOUT ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 30px 28px 64px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.page-head .eyebrow { font-size: 10px; letter-spacing: .26em; text-transform: uppercase; color: var(--brass); font-weight: 700; }
.page-head h1 { font-family: var(--serif); font-weight: 500; font-size: 30px; margin: 6px 0 0; letter-spacing: -.01em; }
.page-head p { margin: 6px 0 0; color: var(--muted); font-size: 13px; max-width: 46ch; }

.grid { display: grid; gap: 16px; }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-32 { grid-template-columns: 3fr 2fr; }
.g-21 { grid-template-columns: 2fr 1fr; }
.span-2 { grid-column: span 2; }
.mt { margin-top: 16px; }

/* ---------- CARD ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; box-shadow: var(--shadow); }
.card-h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-h h3 { font-family: var(--serif); font-weight: 500; font-size: 16px; margin: 0; letter-spacing: .01em; }
.card-h .sub { font-size: 11px; color: var(--faint); letter-spacing: .04em; }

/* ---------- KPI (ledger) ---------- */
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px 14px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 2px; position: relative; overflow: hidden; }
.kpi .lbl { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.kpi .val { font-family: var(--serif); font-weight: 500; font-size: 30px; line-height: 1.05; letter-spacing: -.01em; font-variant-numeric: tabular-nums; margin-top: 6px; }
.kpi .val small { font-size: 16px; color: var(--muted); font-family: var(--sans); font-weight: 500; }
.kpi-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; }
.kpi .spark { width: 96px; height: 30px; }
.chip { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; font-variant-numeric: tabular-nums; }
.chip.up { color: var(--pos); background: color-mix(in srgb, var(--pos) 12%, transparent); }
.chip.down { color: var(--neg); background: color-mix(in srgb, var(--neg) 12%, transparent); }
.chip .arw { font-size: 9px; }

/* ---------- HERO (overview) ---------- */
.hero { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 26px 28px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: center; }
.hero .eyebrow { font-size: 10px; letter-spacing: .26em; text-transform: uppercase; color: var(--brass); font-weight: 700; }
.hero .big { font-family: var(--serif); font-weight: 400; font-size: 56px; line-height: 1; letter-spacing: -.02em; margin: 12px 0 8px; font-variant-numeric: tabular-nums; }
.hero .cap { color: var(--muted); font-size: 13px; }
.hero .ledger { border-left: 1px solid var(--line); padding-left: 26px; }
.ledger-row { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.ledger-row:last-child { border-bottom: 0; }
.ledger-row .n { display: flex; align-items: center; gap: 9px; font-size: 13px; }
.ledger-row .n i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; }
.ledger-row .a { font-variant-numeric: tabular-nums; font-weight: 600; }

/* ---------- CHARTS ---------- */
.rv-svg { width: 100%; height: auto; display: block; }
.rv-grid { stroke: var(--line); stroke-width: 1; }
.rv-axis { fill: var(--faint); font-size: 10.5px; font-family: var(--sans); font-variant-numeric: tabular-nums; }
.rv-bar { transition: opacity .12s; } .rv-bar:hover { opacity: .82; }
.rv-seg { transition: opacity .12s; cursor: default; } .rv-seg:hover { opacity: .85; }
.rv-dot { cursor: default; }
.rv-donut-lbl { fill: var(--faint); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; font-family: var(--sans); }
.rv-donut-val { fill: var(--ink); font-size: 22px; font-family: var(--serif); font-variant-numeric: tabular-nums; }
.rv-legend { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 12px; }
.rv-leg-item { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.rv-leg-item i { width: 10px; height: 10px; border-radius: 3px; }
.rv-leg-item em { font-style: normal; color: var(--faint); font-variant-numeric: tabular-nums; }
/* horizontal bars */
.rv-hbars { display: flex; flex-direction: column; gap: 11px; }
.rv-hbar { display: grid; grid-template-columns: 130px 1fr auto; align-items: center; gap: 12px; }
.rv-hbar-lbl { font-size: 12.5px; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rv-hbar-track { height: 9px; background: var(--sunken); border-radius: 999px; overflow: hidden; }
.rv-hbar-fill { display: block; height: 100%; border-radius: 999px; }
.rv-hbar-val { font-size: 12.5px; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }
/* tooltip */
.rv-tip { position: absolute; z-index: 200; pointer-events: none; opacity: 0; transition: opacity .1s; background: var(--ink); color: #F4F1EA; border-radius: 8px; padding: 8px 11px; font-size: 12px; box-shadow: 0 8px 24px -8px rgba(0,0,0,.4); min-width: 120px; }
.rv-tip b { display: block; font-weight: 600; margin-bottom: 4px; font-size: 11px; letter-spacing: .04em; opacity: .8; }
.rv-tip .k { display: inline-flex; align-items: center; gap: 6px; }
.rv-tip .k i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.rv-tip .v { float: right; font-weight: 700; font-variant-numeric: tabular-nums; margin-left: 14px; }

/* ---------- TABLE ---------- */
.tbl { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.tbl th { text-align: right; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); font-weight: 700; padding: 0 0 10px; border-bottom: 1px solid var(--line-2); }
.tbl th:first-child, .tbl td:first-child { text-align: left; }
.tbl td { padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl td.num { text-align: right; font-weight: 600; }
.tbl .muted { color: var(--muted); font-weight: 400; }

/* ---------- FOOT ---------- */
.foot { max-width: 1180px; margin: 0 auto; padding: 0 28px 40px; color: var(--faint); font-size: 11px; letter-spacing: .02em; display: flex; gap: 8px; align-items: center; }
.foot .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .g-3, .g-32, .g-21 { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .hero { grid-template-columns: 1fr; gap: 18px; }
  .hero .ledger { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; padding-top: 18px; }
}
@media (max-width: 640px) {
  .hdr-in, .wrap, .foot { padding-left: 16px; padding-right: 16px; }
  .nav { order: 3; width: 100%; margin: 6px -4px 0; overflow-x: auto; }
  .g-2, .g-4 { grid-template-columns: 1fr; }
  .hero .big { font-size: 44px; }
  .page-head { flex-direction: column; align-items: flex-start; }
}

/* ---------- A11Y FLOOR ---------- */
a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--pine); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }