*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0d0f18;
  --card:        #13162200; /* défini plus bas avec valeur opaque */
  --surface:     #181c2a;
  --surface2:    #1e2338;
  --border:      #262c42;
  --border-hover:#353d58;
  --text:        #dde2f2;
  --muted:       #5c6280;
  --accent:      #5b7fff;
  --accent-dim:  rgba(91,127,255,0.14);
  --danger:      #d95f5f;
  --radius:      14px;
  --font:        system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.hidden { display: none !important; }

/* ── Layout — corps flex colonne, main scrollable ── */
html { height: 100%; }

body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

/* ── Header ── */
header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

header h1 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.2px;
  white-space: nowrap;
}

/* ── Boutons ── */
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0 18px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}
.btn-primary:hover  { background: #7494ff; }
.btn-primary:active { transform: scale(0.96); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0 14px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hover); }

.btn-danger {
  background: var(--danger);
  color: #fff;
  border: none;
  padding: 0 18px;
  height: 40px;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-danger:hover { background: #e87070; }

/* ── Nav catégories — scroll horizontal, pas de wrap ── */
#categories-nav {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

#cats-scroll {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 8px;
  padding: 10px 8px 10px 20px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#cats-scroll::-webkit-scrollbar { display: none; }

.btn-manage {
  flex-shrink: 0;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--muted);
  cursor: pointer;
  padding: 0 16px;
  align-self: stretch;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
}
.btn-manage:hover { color: var(--text); background: rgba(255,255,255,0.03); }

.cat-tab {
  flex-shrink: 0;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0 14px;
  height: 32px;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.cat-tab:hover { color: var(--text); border-color: var(--border-hover); }
.cat-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ── Grille — 1 col mobile, auto-fill desktop ── */
#formulas-grid {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 14px 16px 32px;
  align-content: start;
}

/* ── Carte formule ── */
.formula-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-name {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

/* Actions : toujours visibles sur touch, sur hover sinon */
.card-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}
@media (hover: hover) {
  .card-actions           { opacity: 0; transition: opacity 0.15s; }
  .formula-card:hover .card-actions { opacity: 1; }
}

.card-actions button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-actions button:hover { background: var(--surface2); }

/* Section algo : chips */
.card-algo {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--surface2);
  padding: 12px;
  border-radius: 10px;
  align-items: flex-start;
}

.move-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.move-chip svg { display: block; }

.move-label {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  font-weight: 600;
  color: #9dbfef;
  line-height: 1;
  text-align: center;
  letter-spacing: 0.2px;
}

/* Méta : catégorie et notes */
.card-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-cat {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.card-notes {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* ── État vide ── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  color: var(--muted);
}
.empty-state .empty-icon { font-size: 2rem; opacity: 0.5; }
.empty-state p { margin-top: 12px; font-size: 0.9rem; line-height: 1.7; }
.empty-state strong { color: var(--text); font-weight: 600; }

/* ── Modals ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: flex-end;  /* bottom sheet par défaut (mobile) */
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}
.modal.hidden { display: none; }

/* Petites modals (cat + delete) : toujours centrées */
.modal-center {
  align-items: center;
  padding: 20px;
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px 18px 0 0;   /* arrondi en haut sur mobile */
  padding: 24px 20px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  width: 100%;
  max-height: 92dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Petites modals : box centrée */
.modal-center .modal-box {
  border-radius: 16px;
  max-width: 360px;
  padding: 24px;
}

.modal-box h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.modal-box > p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}

.modal-box label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-box input,
.modal-box select,
.modal-box textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  padding: 11px 14px;
  min-height: 44px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}
.modal-box input:focus,
.modal-box select:focus,
.modal-box textarea:focus { border-color: var(--accent); }

.modal-box textarea  { resize: vertical; min-height: 80px; font-size: 0.9rem; }
.modal-box select option { background: var(--surface2); }

.cat-input-row {
  display: flex;
  gap: 8px;
  align-items: center;
}
.cat-input-row select { flex: 1; }
.cat-input-row .btn-ghost { padding: 0 12px; font-size: 0.8rem; flex-shrink: 0; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 4px;
}

/* Preview algo dans la modale */
.algo-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  align-items: flex-start;
  min-height: 70px;
  background: var(--surface2);
}
.algo-preview.hidden { display: none; }

/* ── Header actions (logout) ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  font-size: 0.8rem;
  color: var(--muted);
}
.btn-logout:hover { color: var(--text); }

#header-username {
  display: none; /* masqué sur mobile */
  font-size: 0.8rem;
  font-weight: 500;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Écran d'authentification ── */
#auth-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 20px;
}

.auth-box {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.auth-logo {
  font-size: 2rem;
  text-align: center;
}

.auth-title {
  font-size: 1.3rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.2px;
}

.auth-tabs {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
}
.auth-tab.active {
  background: var(--surface2);
  color: var(--text);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.auth-form input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  padding: 11px 14px;
  min-height: 44px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  font-weight: 400;
  letter-spacing: normal;
}
.auth-form input:focus { border-color: var(--accent); }

.auth-error {
  font-size: 0.83rem;
  color: #e08080;
  background: rgba(224,80,80,0.08);
  border: 1px solid rgba(224,80,80,0.2);
  border-radius: 8px;
  padding: 9px 12px;
  line-height: 1.4;
}

.btn-block {
  width: 100%;
  height: 46px;
  font-size: 0.95rem;
  border-radius: 10px;
  justify-content: center;
}

/* ── App container ── */
#app {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

/* ── Placement ── */
.placement-details {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.placement-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  list-style: none;
  user-select: none;
}
.placement-summary::-webkit-details-marker { display: none; }
.placement-summary::before {
  content: '›';
  font-size: 1rem;
  transition: transform 0.15s;
  display: inline-block;
  color: var(--muted);
}
details[open] .placement-summary::before { transform: rotate(90deg); }

.placement-badge {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 1px 7px;
  border-radius: 10px;
  text-transform: none;
  letter-spacing: 0;
}

.placement-fields {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 4px 14px 16px;
  border-top: 1px solid var(--border);
}

.placement-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* Affichage placement dans la carte */
.card-setup {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.setup-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-size: 0.8rem;
  line-height: 1.4;
}

.setup-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  flex-shrink: 0;
  min-width: 70px;
}

.setup-value {
  color: var(--text);
}

.setup-auf {
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: #7aaaff;
  background: var(--surface2);
  padding: 1px 7px;
  border-radius: 5px;
}

.setup-mirror {
  color: var(--accent);
  font-size: 0.8rem;
}

/* ── Schéma visuel (pattern OLL-style) ── */
.pattern-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pattern-toggle-label {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  color: var(--text) !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  cursor: pointer;
}

.pattern-toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-height: unset;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

#pattern-editor {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.pattern-hint {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 400 !important;
  text-transform: none !important;
  letter-spacing: normal !important;
}

.btn-sm {
  height: 32px !important;
  padding: 0 12px !important;
  font-size: 0.78rem !important;
}

/* Grille en croix */
.p-cross {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.p-row {
  display: flex;
  gap: 3px;
}

.p-empty {
  flex-shrink: 0;
}

.p-cell {
  border-radius: 4px;
  flex-shrink: 0;
  cursor: pointer;
  transition: background 0.1s, transform 0.08s;
}
.p-cell:active { transform: scale(0.88); }

/* Taille éditeur (modal) */
.p-cross-edit .p-cell,
.p-cross-edit .p-empty {
  width: 28px;
  height: 28px;
}

/* Taille affichage (carte) */
.p-cross-display .p-cell,
.p-cross-display .p-empty {
  width: 14px;
  height: 14px;
  border-radius: 2px;
  cursor: default;
}
.p-cross-display .p-row { gap: 2px; }
.p-cross-display .p-cross { gap: 2px; }

/* Couleurs de base des cellules */
.p-cell.p-top  { background: #2a3050; }
.p-cell.p-side { background: #1e2338; border: 1px solid #2e3550; }

/* OLL : toggle jaune */
.p-cell.p-on { background: #f5c518; border-color: #f5c518; }

/* PLL : couleurs des 4 faces */
.p-cell.p-c1 { background: #f5c518; border-color: #f5c518; } /* jaune  */
.p-cell.p-c2 { background: #e53935; border-color: #e53935; } /* rouge  */
.p-cell.p-c3 { background: #fb8c00; border-color: #fb8c00; } /* orange */
.p-cell.p-c4 { background: #1e88e5; border-color: #1e88e5; } /* bleu   */
.p-cell.p-c5 { background: #43a047; border-color: #43a047; } /* vert   */

/* Cellule non interactive (top face en mode PLL) */
.p-cell.p-locked { cursor: default; }
.p-cell.p-locked:active { transform: none; }

/* Sélecteur OLL / PLL */
.pattern-type-tabs {
  display: flex;
  gap: 6px;
}

.pattern-type-tab {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0 14px;
  height: 30px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.15s;
}
.pattern-type-tab:hover { color: var(--text); border-color: var(--border-hover); }
.pattern-type-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Légende PLL */
.pll-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.p-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--muted);
}

.p-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex-shrink: 0;
}

/* Dans la carte */
.card-pattern {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* ── Gestion catégories ── */
.manage-cat-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 55dvh;
  overflow-y: auto;
}

.manage-cat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.manage-cat-name {
  flex: 1;
  font-size: 0.9rem;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.manage-cat-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.btn-order {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  line-height: 1;
}
.btn-order:hover:not(:disabled) { color: var(--text); border-color: var(--border-hover); }
.btn-order:disabled { opacity: 0.25; cursor: default; }
.btn-order-del { font-size: 0.85rem; }
.btn-order-del:hover:not(:disabled) { color: var(--danger); border-color: var(--danger); }

.manage-empty {
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
  padding: 20px;
}

/* ── Desktop (≥ 640px) ── */
@media (min-width: 640px) {
  header {
    padding: 18px 28px;
  }
  header h1 { font-size: 1.2rem; }

  #categories-nav { padding: 12px 28px; }

  #formulas-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
    padding: 20px 28px 40px;
  }

  .formula-card { padding: 20px; }

  /* Modale formule : centrée et encadrée */
  #modal-formula {
    align-items: center;
    padding: 24px;
  }
  #modal-formula .modal-box {
    border-radius: 16px;
    max-width: 500px;
    padding: 28px;
  }

  #header-username { display: block; }
}