/* Interface parent — Material Design 3 écrit à la main (aucune bibliothèque, aucune police distante).
   Rôles de couleur : variante « tonal spot » générée depuis la source #2a7a78 (bleu-vert) par scripts/palette.mjs ;
   light-dark() choisit la valeur selon color-scheme : automatique, ou forcé par [data-theme]. */

:root {
  color-scheme: light dark;
  /* Source #2a7a78 — teinte 194.0°, généré par scripts/palette.mjs */
  --md-primary: light-dark(#006a68, #76d6d3);
  --md-on-primary: light-dark(#ffffff, #003736);
  --md-primary-container: light-dark(#93f3ef, #00504e);
  --md-on-primary-container: light-dark(#00201f, #93f3ef);
  --md-secondary: light-dark(#406563, #a6cecc);
  --md-on-secondary: light-dark(#ffffff, #0f3635);
  --md-secondary-container: light-dark(#c1eae8, #284d4c);
  --md-on-secondary-container: light-dark(#00201f, #c1eae8);
  --md-tertiary: light-dark(#366380, #a1cced);
  --md-on-tertiary: light-dark(#ffffff, #00344c);
  --md-tertiary-container: light-dark(#c9e6ff, #1a4b67);
  --md-on-tertiary-container: light-dark(#001e2e, #c9e6ff);
  --md-error: light-dark(#b91c14, #ffb4a3);
  --md-on-error: light-dark(#ffffff, #660700);
  --md-error-container: light-dark(#ffdad2, #930005);
  --md-on-error-container: light-dark(#370e00, #ffdad2);
  --md-surface: light-dark(#f2fbfa, #0d1514);
  --md-on-surface: light-dark(#171d1c, #dce4e4);
  --md-on-surface-variant: light-dark(#3d4948, #bbc9c8);
  --md-surface-container-lowest: light-dark(#ffffff, #06100f);
  --md-surface-container-low: light-dark(#edf5f5, #171d1c);
  --md-surface-container: light-dark(#e7f0ef, #1b2120);
  --md-surface-container-high: light-dark(#e1eae9, #252b2b);
  --md-surface-container-highest: light-dark(#dce4e4, #2f3636);
  --md-outline: light-dark(#6d7a79, #869392);
  --md-outline-variant: light-dark(#bbc9c8, #3d4948);
  --md-inverse-surface: light-dark(#2b3231, #dce4e4);
  --md-inverse-on-surface: light-dark(#eaf2f2, #2b3231);
  --md-inverse-primary: light-dark(#76d6d3, #006a68);
  --md-scrim: rgb(0 0 0 / 0.32);

  /* Typographie (échelle MD3) — pile système, Roboto si présente */
  --md-font: Roboto, "Segoe UI", system-ui, sans-serif;
  --md-mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  --md-headline-small: 400 1.5rem/2rem var(--md-font);
  --md-title-large: 400 1.375rem/1.75rem var(--md-font);
  --md-title-medium: 500 1rem/1.5rem var(--md-font);
  --md-title-small: 500 0.875rem/1.25rem var(--md-font);
  --md-body-large: 400 1rem/1.5rem var(--md-font);
  --md-body-medium: 400 0.875rem/1.25rem var(--md-font);
  --md-body-small: 400 0.75rem/1rem var(--md-font);
  --md-label-large: 500 0.875rem/1.25rem var(--md-font);
  --md-label-medium: 500 0.75rem/1rem var(--md-font);
  --md-label-small: 500 0.6875rem/1rem var(--md-font);

  /* Formes */
  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 28px;
  --md-shape-full: 9999px;

  /* Élévation */
  --md-elev-1: 0 1px 2px rgb(0 0 0 / 0.3), 0 1px 3px 1px rgb(0 0 0 / 0.15);
  --md-elev-3: 0 1px 3px rgb(0 0 0 / 0.3), 0 4px 8px 3px rgb(0 0 0 / 0.15);

  /* États (opacité de la couche d'état) */
  --md-hover: 0.08;
  --md-press: 0.1;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--md-surface);
  color: var(--md-on-surface);
  font: var(--md-body-large);
  letter-spacing: 0.03rem;
}
h1, h2, p, ul, pre { margin: 0; }
a { color: var(--md-primary); }
:focus-visible { outline: 3px solid var(--md-secondary); outline-offset: 2px; }
.icon { width: 24px; height: 24px; fill: currentColor; flex: none; }
.mono { font-family: var(--md-mono); font-size: 0.875rem; overflow-wrap: anywhere; }

/* ---------- barre d'application supérieure ---------- */
.topbar {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; gap: 4px;
  min-height: 64px; padding: 8px 4px 8px 16px;
  padding-top: max(8px, env(safe-area-inset-top));
  background: var(--md-surface-container);
}
.title { flex: 1; font: var(--md-title-large); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.actions { display: flex; }

/* ---------- navigation : barre inférieure (mobile), rail (≥ 840 px) ---------- */
.nav {
  position: fixed; inset: auto 0 0 0; z-index: 2;
  display: flex; justify-content: space-around;
  padding: 12px 0 max(16px, env(safe-area-inset-bottom));
  background: var(--md-surface-container);
}
.nav-item {
  flex: 1; min-width: 0; min-height: 56px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--md-on-surface-variant); text-decoration: none; font: var(--md-label-medium);
}
.nav-icon {
  position: relative; display: grid; place-items: center;
  width: 64px; height: 32px; border-radius: var(--md-shape-full);
}
.nav-label { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-item[aria-current="page"] { color: var(--md-on-surface); font-weight: 700; }
.nav-item[aria-current="page"] .nav-icon { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.badge {
  position: absolute; top: -2px; left: 36px;
  min-width: 16px; height: 16px; padding: 0 4px; border-radius: var(--md-shape-full);
  background: var(--md-error); color: var(--md-on-error); font: var(--md-label-small); text-align: center;
}
.only-wide { display: none; }

.main {
  max-width: 840px; margin: 0 auto;
  padding: 16px 16px calc(120px + env(safe-area-inset-bottom));
}
.main:focus { outline: none; }

@media (min-width: 840px) {
  body { padding-left: 88px; }
  .nav {
    inset: 0 auto 0 0; width: 88px;
    flex-direction: column; justify-content: flex-start; gap: 12px;
    padding: 80px 0 16px;
  }
  .nav-item { flex: none; width: 100%; }
  .nav-icon { width: 56px; }
  .only-wide { display: flex; }
  .icon-btn.only-narrow { display: none; }
  .main { padding: 24px 24px 48px; }
}

/* ---------- couche d'état commune ---------- */
.btn, .icon-btn, .chip, .nav-icon { position: relative; }
.btn::before, .icon-btn::before, .chip::before, .nav-icon::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: currentColor; opacity: 0; transition: opacity 0.15s; pointer-events: none;
}
.btn:hover::before, .icon-btn:hover::before, .chip:hover::before, .nav-item:hover .nav-icon::before { opacity: var(--md-hover); }
.btn:active::before, .icon-btn:active::before, .chip:active::before, .nav-item:active .nav-icon::before { opacity: var(--md-press); }

/* ---------- boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 0 24px; border: 0; border-radius: var(--md-shape-full);
  font: var(--md-label-large); letter-spacing: 0.006rem; cursor: pointer;
  background: transparent; color: var(--md-primary);
}
.btn::after { content: ""; position: absolute; inset: -4px 0; } /* cible tactile de 48 px */
.btn .icon { width: 18px; height: 18px; margin-left: -8px; }
.btn.filled { background: var(--md-primary); color: var(--md-on-primary); }
.btn.filled:hover { box-shadow: var(--md-elev-1); }
.btn.tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.btn.text { padding: 0 12px; }
.btn.text .icon { margin-left: 0; }
.btn.filled.danger { background: var(--md-error); color: var(--md-on-error); }
.btn.text.danger { color: var(--md-error); }
.btn:disabled {
  cursor: default; box-shadow: none;
  background: color-mix(in srgb, var(--md-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-on-surface) 38%, transparent);
}
.btn.text:disabled { background: transparent; }
.btn:disabled::before { opacity: 0 !important; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 48px; height: 48px; padding: 0; border: 0; border-radius: var(--md-shape-full);
  background: transparent; color: var(--md-on-surface-variant); cursor: pointer;
}

/* ---------- cartes, sections, listes ---------- */
.stack { display: grid; gap: 16px; }
.stack-sm { display: grid; gap: 8px; }
.card {
  display: grid; gap: 12px; padding: 16px;
  border-radius: var(--md-shape-md);
  background: var(--md-surface-container-low); box-shadow: var(--md-elev-1);
}
.card-title { font: var(--md-title-medium); }
.section { font: var(--md-title-small); color: var(--md-primary); margin-top: 8px; }
.big { font: var(--md-title-large); }
.help, .empty { font: var(--md-body-medium); color: var(--md-on-surface-variant); }
.label { font: var(--md-label-large); color: var(--md-on-surface-variant); }
.label.error, .errors { color: var(--md-error); }
.errors { padding-left: 20px; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.row.end { justify-content: flex-end; }
.row.add { align-items: flex-end; }
.row.add .field { flex: 1 1 220px; }
.subtitle { font: var(--md-body-medium); color: var(--md-on-surface-variant); }
.subtitle strong { font: var(--md-title-medium); color: var(--md-on-surface); }

.list { list-style: none; padding: 0; display: grid; }
.card.list { gap: 0; padding: 0 16px; }
.list-item {
  display: flex; align-items: center; gap: 12px;
  min-height: 56px; padding: 8px 0;
}
.list-item + .list-item { border-top: 1px solid var(--md-outline-variant); }
.list-item.col { flex-direction: column; align-items: stretch; gap: 6px; padding: 12px 0; }
.list-main { flex: 1; min-width: 0; display: grid; gap: 2px; }
.list-sub { font: var(--md-body-medium); color: var(--md-on-surface-variant); }

/* ---------- demandes ---------- */
.req-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; }
.kind { font: var(--md-label-large); color: var(--md-primary); text-transform: uppercase; letter-spacing: 0.06rem; }
.meta { font: var(--md-body-small); color: var(--md-on-surface-variant); }
.target { font-size: 1rem; overflow-wrap: anywhere; }
.quote {
  font: var(--md-body-medium); color: var(--md-on-surface-variant);
  padding-left: 12px; border-left: 3px solid var(--md-outline-variant); overflow-wrap: anywhere;
}

/* ---------- puces de choix (boutons radio natifs, accessibles au clavier) ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 32px; padding: 6px 16px; max-width: 100%;
  border: 1px solid var(--md-outline); border-radius: var(--md-shape-sm);
  font: var(--md-label-large); color: var(--md-on-surface-variant); cursor: pointer;
  overflow-wrap: anywhere;
}
.chip::after { content: ""; position: absolute; inset: -8px 0; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
.chip .icon { display: none; width: 18px; height: 18px; margin-left: -8px; }
.chip:has(input:checked) {
  border-color: transparent; padding-left: 16px;
  background: var(--md-secondary-container); color: var(--md-on-secondary-container);
}
.chip:has(input:checked) .icon { display: block; }
.chip:has(input:focus-visible) { outline: 3px solid var(--md-secondary); outline-offset: 2px; }

/* ---------- pastilles d'état ---------- */
.badge-state {
  display: inline-flex; align-items: center; gap: 4px;
  min-height: 24px; padding: 2px 8px; border-radius: var(--md-shape-sm);
  font: var(--md-label-medium); white-space: nowrap;
}
.badge-state .icon { width: 16px; height: 16px; }
.badge-state.ok { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.badge-state.wait { background: var(--md-tertiary-container); color: var(--md-on-tertiary-container); }
.badge-state.locked { background: var(--md-inverse-surface); color: var(--md-inverse-on-surface); }
.badge-state.neutral { background: var(--md-surface-container-highest); color: var(--md-on-surface-variant); }
.status { font: var(--md-body-medium); color: var(--md-on-surface-variant); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--md-outline); }
.dot.on { background: var(--md-primary); }

/* ---------- champs texte (contour) ---------- */
.field { display: grid; gap: 4px; }
.field-label { font: var(--md-body-small); color: var(--md-on-surface-variant); }
.field input {
  min-height: 56px; padding: 0 16px; width: 100%;
  border: 1px solid var(--md-outline); border-radius: var(--md-shape-xs);
  background: transparent; color: var(--md-on-surface); font: var(--md-body-large);
}
.field input:hover { border-color: var(--md-on-surface); }
.field input:focus { outline: none; border: 2px solid var(--md-primary); padding: 0 15px; }
.field:focus-within .field-label { color: var(--md-primary); }

/* ---------- interrupteurs ---------- */
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 56px; cursor: pointer; }
.switch {
  appearance: none; flex: none; position: relative; margin: 0; cursor: pointer;
  width: 52px; height: 32px; border-radius: var(--md-shape-full);
  border: 2px solid var(--md-outline); background: var(--md-surface-container-highest);
  transition: background 0.15s, border-color 0.15s;
}
.switch::before {
  content: ""; position: absolute; top: 6px; left: 6px; width: 16px; height: 16px;
  border-radius: 50%; background: var(--md-outline); transition: all 0.15s;
}
.switch::after { content: ""; position: absolute; inset: -10px -4px; } /* cible tactile */
.switch:checked { background: var(--md-primary); border-color: var(--md-primary); }
.switch:checked::before { top: 2px; left: 22px; width: 24px; height: 24px; background: var(--md-on-primary); }

/* ---------- snackbar, bandeau, boîte de dialogue ---------- */
.snackbar {
  position: fixed; left: 50%; bottom: calc(104px + env(safe-area-inset-bottom)); z-index: 3;
  transform: translate(-50%, 16px); width: max-content; max-width: min(560px, calc(100% - 32px));
  padding: 14px 16px; border-radius: var(--md-shape-xs);
  background: var(--md-inverse-surface); color: var(--md-inverse-on-surface);
  font: var(--md-body-medium); box-shadow: var(--md-elev-3);
  opacity: 0; visibility: hidden; transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}
.snackbar.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
@media (min-width: 840px) { .snackbar { bottom: 24px; } }
.banner {
  margin-bottom: 16px; padding: 12px 16px; border-radius: var(--md-shape-md);
  background: var(--md-error-container); color: var(--md-on-error-container); font: var(--md-body-medium);
}
.dialog {
  width: min(560px, calc(100% - 48px)); padding: 24px; border: 0;
  border-radius: var(--md-shape-xl);
  background: var(--md-surface-container-high); color: var(--md-on-surface); box-shadow: var(--md-elev-3);
}
.dialog[open] { display: grid; gap: 16px; }
.dialog::backdrop { background: var(--md-scrim); }
.dialog-title { font: var(--md-headline-small); }
.code { font: 400 2.25rem/2.75rem var(--md-mono); letter-spacing: 0.2em; text-align: center; color: var(--md-primary); }
.cmd {
  padding: 12px; border-radius: var(--md-shape-sm);
  background: var(--md-surface-container-highest); white-space: pre-wrap;
}

/* ---------- connexion ---------- */
.login { max-width: 400px; margin: 8vh auto 0; gap: 16px; padding: 24px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }