/* Carnet de TP — feuille de style unique.
   Cible : telephone tenu a une main, salle de TP, parfois en lumiere faible. */

:root {
  --papier:      #EDEFF4;
  --surface:     #FFFFFF;
  --surface-2:   #F5F7FB;
  --encre:       #161B2B;
  --encre-doux:  #5D6680;
  --trait:       #D8DCE6;
  --or:          #B8800C;
  --or-fond:     #FAEFD4;
  --vert:        #2C6E5B;
  --rouge:       #B33F38;
  --indigo:      #3A4780;
  --ombre:       0 1px 2px rgba(22, 27, 43, .06), 0 6px 20px rgba(22, 27, 43, .05);

  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --r: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --papier:     #0F121B;
    --surface:    #181C27;
    --surface-2:  #212634;
    --encre:      #E7EAF2;
    --encre-doux: #99A1B8;
    --trait:      #2C3444;
    --or:         #EDB54A;
    --or-fond:    #352B12;
    --vert:       #4FA98C;
    --rouge:      #E0695F;
    --indigo:     #8494DD;
    --ombre:      0 1px 2px rgba(0, 0, 0, .4), 0 6px 20px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--papier);
  color: var(--encre);
  font-family: var(--sans);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

button, input { font: inherit; color: inherit; }

/* ---------------------------------------------------------------- structure */

.vue {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--papier);
}
.vue[hidden] { display: none; }

.barre {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(env(safe-area-inset-top) + 12px) 14px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--trait);
}

.barre-titre { flex: 1; display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.barre-titre strong { font-size: 1.05rem; }
.barre-titre span { font-size: .8rem; color: var(--encre-doux); }

.titre-app { flex: 1; margin: 0; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; }

.corps {
  flex: 1;
  overflow-y: auto;
  padding: 18px 14px calc(env(safe-area-inset-bottom) + 28px);
  -webkit-overflow-scrolling: touch;
}

.pied {
  padding: 12px 14px calc(env(safe-area-inset-bottom) + 12px);
  border-top: 1px solid var(--trait);
  background: var(--surface);
  font-size: .78rem;
  color: var(--encre-doux);
  display: flex;
  justify-content: space-between;
}

.pied-actions {
  padding: 12px 14px calc(env(safe-area-inset-bottom) + 12px);
  border-top: 1px solid var(--trait);
  background: var(--surface);
}

/* ---------------------------------------------------------------- boutons */

.bouton-icone {
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  font-size: 1.4rem; line-height: 1;
  background: none; border: 0; border-radius: 10px;
  color: var(--encre-doux);
  cursor: pointer;
}
.bouton-icone:active { background: var(--surface-2); }

.bouton-large, .bouton-plein {
  width: 100%;
  min-height: 52px;
  border-radius: var(--r);
  cursor: pointer;
  font-weight: 600;
}
.bouton-large {
  background: var(--surface);
  border: 1px dashed var(--trait);
  color: var(--encre-doux);
  margin-top: 14px;
}
.bouton-plein {
  background: var(--encre);
  color: var(--papier);
  border: 0;
  font-size: 1.05rem;
}
.bouton-large:active, .bouton-plein:active { transform: translateY(1px); }

.puce {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--trait);
  background: var(--surface);
  color: var(--encre-doux);
  font-size: .85rem;
  cursor: pointer;
}
.puce[aria-pressed="true"] { background: var(--encre); color: var(--papier); border-color: var(--encre); }
.puce-or { border-color: var(--or); color: var(--or); margin-left: auto; }

/* ---------------------------------------------------------------- accueil */

.bloc-cours { margin-bottom: 26px; }

.etiquette {
  margin: 0 0 10px;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--encre-doux);
  font-weight: 600;
}

.grille-groupes { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; }

.carte-groupe {
  background: var(--surface);
  border: 1px solid var(--trait);
  border-radius: var(--r);
  box-shadow: var(--ombre);
  padding: 16px 14px;
  text-align: left;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 4px;
}
.carte-groupe b { font-family: var(--serif); font-size: 1.5rem; font-weight: 600; }
.carte-groupe small { color: var(--encre-doux); font-size: .78rem; font-variant-numeric: tabular-nums; }
.carte-groupe:active { background: var(--surface-2); }

/* ---------------------------------------------------------------- listes */

.liste { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.ligne {
  display: flex; align-items: center; gap: 12px;
  width: 100%;
  min-height: 60px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--trait);
  border-radius: var(--r);
  text-align: left;
  cursor: pointer;
}
.ligne:active { background: var(--surface-2); }
.ligne-texte { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.ligne-texte b { font-weight: 600; }
.ligne-texte small { color: var(--encre-doux); font-size: .78rem; }
.ligne-fin { font-size: .8rem; color: var(--encre-doux); font-variant-numeric: tabular-nums; text-align: right; }

.badge-fait { color: var(--vert); font-weight: 600; }
.badge-vide { color: var(--encre-doux); }
.badge-manuel {
  font-size: .64rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--indigo); border: 1px solid var(--indigo);
  border-radius: 4px; padding: 1px 5px; margin-left: 6px;
}

.vide { text-align: center; color: var(--encre-doux); padding: 40px 10px; font-size: .9rem; }

/* ---------------------------------------------------------------- recherche */

.zone-recherche { display: flex; align-items: center; gap: 6px; padding: 12px 14px 8px; background: var(--surface); }

#champ-recherche {
  flex: 1;
  min-height: 52px;
  padding: 0 16px;
  border-radius: var(--r);
  border: 1px solid var(--trait);
  background: var(--surface-2);
  font-size: 1.05rem;
  -webkit-appearance: none;
}
#champ-recherche:focus { outline: 2px solid var(--indigo); outline-offset: -1px; }

.filtres { display: flex; gap: 8px; padding: 0 14px 12px; background: var(--surface); border-bottom: 1px solid var(--trait); }

.compteur { font-size: .85rem; color: var(--encre-doux); font-variant-numeric: tabular-nums; }
.effectif { font-size: .85rem; color: var(--encre-doux); }

/* ---------------------------------------------------------------- fiche */

.identite { margin-bottom: 20px; }
.identite h2 { margin: 0 0 4px; font-family: var(--serif); font-size: 1.6rem; font-weight: 600; line-height: 1.2; text-wrap: balance; }
.identite p { margin: 0; color: var(--encre-doux); font-size: .82rem; }

.criteres { list-style: none; margin: 0; padding: 0; border: 1px solid var(--trait); border-radius: var(--r); overflow: hidden; box-shadow: var(--ombre); }

.critere {
  display: flex; align-items: center; gap: 14px;
  width: 100%;
  min-height: 76px;
  padding: 12px 16px;
  background: var(--surface);
  border: 0;
  border-bottom: 1px solid var(--trait);
  text-align: left;
  cursor: pointer;
}
.criteres li:last-child .critere { border-bottom: 0; }
.critere:active { background: var(--surface-2); }

.critere .etoile { font-size: 1.7rem; line-height: 1; color: var(--trait); flex: none; width: 28px; }
.critere[aria-pressed="true"] { background: var(--or-fond); }
.critere[aria-pressed="true"] .etoile { color: var(--or); }

.critere-texte { display: flex; flex-direction: column; gap: 3px; }
.critere-texte b { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.critere-texte small { color: var(--encre-doux); font-size: .82rem; }

.score {
  display: flex; align-items: center; gap: 10px;
  margin-top: 18px;
  font-family: var(--serif); font-size: 1.35rem;
  font-variant-numeric: tabular-nums;
}
.score .sep { color: var(--trait); }

/* ---------------------------------------------------------------- notes finales */

.note-bas { margin: 0 0 14px; font-size: .78rem; color: var(--encre-doux); }

.liste-finales { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--trait); border-radius: var(--r); overflow: hidden; }
.liste-finales li {
  display: flex; align-items: baseline; gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--trait);
}
.liste-finales li:last-child { border-bottom: 0; }
.liste-finales .nom { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.liste-finales .detail { font-size: .75rem; color: var(--encre-doux); font-variant-numeric: tabular-nums; }
.liste-finales .val { font-family: var(--serif); font-size: 1.15rem; font-variant-numeric: tabular-nums; min-width: 56px; text-align: right; }
.liste-finales .val.faible { color: var(--rouge); }

/* ---------------------------------------------------------------- divers */

#toast {
  position: fixed;
  left: 50%; bottom: calc(env(safe-area-inset-bottom) + 86px);
  transform: translate(-50%, 16px);
  max-width: 88vw;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--encre);
  color: var(--papier);
  font-size: .88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 50;
}
#toast.visible { opacity: 1; transform: translate(-50%, 0); }

dialog {
  border: 0; border-radius: var(--r);
  padding: 22px;
  width: min(92vw, 420px);
  background: var(--surface);
  color: var(--encre);
  box-shadow: var(--ombre);
}
dialog::backdrop { background: rgba(0, 0, 0, .45); }
dialog h3 { margin: 0 0 4px; font-family: var(--serif); font-size: 1.3rem; font-weight: 600; }
dialog .aide { margin: 0 0 16px; font-size: .8rem; color: var(--encre-doux); }
dialog label { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; font-size: .78rem; color: var(--encre-doux); }
dialog input {
  min-height: 48px; padding: 0 13px;
  border: 1px solid var(--trait); border-radius: 10px;
  background: var(--surface-2); color: var(--encre); font-size: 1rem;
}
dialog menu { display: flex; gap: 10px; margin: 18px 0 0; padding: 0; }

:focus-visible { outline: 2px solid var(--indigo); outline-offset: 2px; }

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

.pied-double { display: flex; gap: 10px; }
.pied-double .bouton-large { margin-top: 0; }