:root {
  --fond: #f6f5f2;
  --surface: #ffffff;
  --texte: #1d1c1a;
  --discret: #6b6862;
  --bord: #e2dfd8;
  --survol: #efede8;
  --accent: #2f6f4f;
  --accent-doux: #e3efe8;
  --accent-texte: #ffffff;
  --encours: #9a5b00;
  --encours-doux: #fbefd9;
  --danger: #a33a2a;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fond: #151514;
    --surface: #1f1f1d;
    --texte: #ecebe7;
    --discret: #a29f98;
    --bord: #33322f;
    --survol: #2a2a27;
    --accent: #6cc196;
    --accent-doux: #1f3329;
    --accent-texte: #0f1a14;
    --encours: #f0b45c;
    --encours-doux: #3a2c14;
    --danger: #e58a7a;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--fond);
  color: var(--texte);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1 { font-size: 1.35rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0; }

button, input, textarea, select { font: inherit; color: inherit; }
button {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-texte);
  cursor: pointer;
}
button.discret { background: transparent; color: var(--discret); border-color: var(--bord); }
button.icone {
  background: transparent; border: 0; color: var(--discret);
  padding: 4px 8px; font-size: 1rem; line-height: 1; border-radius: 6px;
}
button.icone:hover { background: var(--survol); color: var(--texte); }
input:not([type="checkbox"]), textarea, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--bord);
  border-radius: 8px;
  background: var(--surface);
}
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}

/* Connexion */
.connexion { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.panneau {
  width: min(360px, 100%);
  background: var(--surface); border: 1px solid var(--bord); border-radius: 12px; padding: 24px;
  display: grid; gap: 14px;
}
.panneau label { display: grid; gap: 4px; font-size: 0.9rem; color: var(--discret); }
.erreur { color: var(--danger); margin: 0; min-height: 1.2em; font-size: 0.9rem; }

/* En-tête */
.entete {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--bord);
}
.filtres { display: flex; gap: 4px; background: var(--fond); border-radius: 9px; padding: 3px; }
.filtres button { background: transparent; border: 0; color: var(--discret); padding: 5px 12px; border-radius: 7px; }
.filtres button[aria-pressed="true"] { background: var(--surface); color: var(--texte); box-shadow: 0 1px 2px rgb(0 0 0 / 12%); }
#deconnexion { margin-left: auto; padding: 5px 12px; font-size: 0.9rem; }

/* Mise en page */
.mise-en-page {
  max-width: 1080px; margin: 0 auto; padding: 20px;
  display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 24px; align-items: start;
}
.projets { position: sticky; top: 76px; min-width: 0; }
.projets ul { list-style: none; margin: 0 0 10px; padding: 0; display: grid; gap: 2px; }
.projets li button {
  width: 100%; display: flex; justify-content: space-between; gap: 8px; text-align: left;
  background: transparent; border: 0; color: var(--texte); padding: 7px 10px;
}
.projets li button:hover { background: var(--survol); }
.projets li button[aria-current="true"] { background: var(--accent-doux); color: var(--accent); font-weight: 600; }
.compte { color: var(--discret); font-variant-numeric: tabular-nums; font-size: 0.9rem; }
.ajout-projet input { font-size: 0.9rem; }

#contenu { display: grid; gap: 18px; }
.vide { color: var(--discret); text-align: center; padding: 48px 0; }

/* Projet et tâches */
.projet { background: var(--surface); border: 1px solid var(--bord); border-radius: 12px; padding: 14px 16px 12px; }
.titre-projet { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.outils-projet, .outils { display: flex; gap: 2px; opacity: 0; transition: opacity 0.15s; }
.projet:hover .outils-projet, .tache:hover .outils, .outils:focus-within, .outils-projet:focus-within { opacity: 1; }
@media (hover: none) { .outils-projet, .outils { opacity: 1; } }

.taches { list-style: none; margin: 0; padding: 0; }
.tache {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 10px; align-items: start;
  padding: 9px 4px; border-top: 1px solid var(--bord);
}
.taches .tache:first-child { border-top: 0; }
.tache input[type="checkbox"] { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--accent); cursor: pointer; }
.tache .corps { display: grid; gap: 2px; }
.tache .titre { overflow-wrap: anywhere; }
.tache.faite .titre { color: var(--discret); text-decoration: line-through; }
.tache.active .titre { font-weight: 600; }
.details { margin: 0; color: var(--discret); font-size: 0.9rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.ligne-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.meta { color: var(--discret); font-size: 0.8rem; }
.pastille {
  font-size: 0.75rem; padding: 1px 8px; border-radius: 99px;
  background: transparent; border: 1px solid var(--bord); color: var(--discret);
}
.pastille.en-cours { background: var(--encours-doux); border-color: transparent; color: var(--encours); font-weight: 600; }

.ajout-tache { margin-top: 6px; }
.ajout-tache input { border-style: dashed; background: transparent; font-size: 0.95rem; }

.edition { grid-column: 1 / -1; display: grid; gap: 8px; }
.edition .actions { display: flex; gap: 8px; }

/* Message passager */
.message {
  position: fixed; left: 50%; bottom: 20px; transform: translate(-50%, 20px);
  margin: 0; padding: 10px 16px; border-radius: 10px; max-width: calc(100% - 32px);
  background: var(--texte); color: var(--fond); opacity: 0; pointer-events: none; transition: 0.2s;
}
.message.visible { opacity: 1; transform: translate(-50%, 0); }
.message.erreur { background: var(--danger); color: #fff; }

@media (max-width: 720px) {
  .entete { padding: 10px 16px; gap: 10px; flex-wrap: nowrap; }
  h1 { font-size: 1.1rem; white-space: nowrap; }
  .filtres button { padding: 5px 9px; }
  #deconnexion .libelle { display: none; }
  #deconnexion::before { content: "⏻"; }
  .mise-en-page { grid-template-columns: minmax(0, 1fr); padding: 12px 16px 48px; gap: 14px; }
  .projets { position: static; }
  .projets ul { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 8px; padding-bottom: 4px; }
  .projets li button { white-space: nowrap; border: 1px solid var(--bord); border-radius: 99px; padding: 5px 12px; }
}