:root {
    --ec-maroon: #5A2B3B;
    --ec-maroon-dark: #401f2a;
    --ec-bg: #f6f7fa;
    --ec-white: #ffffff;
    --ec-border: #d5d5d8;
    --ec-success: #2e7d32;
    --ec-danger: #c62828;
    --ec-warning: #b26a00;
    --ec-text: #2a2a2e;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--ec-bg);
    color: var(--ec-text);
}

header.app-header {
    background: var(--ec-maroon);
    color: #fff;
    padding: 10px 16px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.app-header-top { display: flex; align-items: center; gap: 12px; }
.app-header-top img { height: 32px; flex-shrink: 0; }
.app-header-top h1 { font-size: 1.05rem; margin: 0; font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.app-nav {
    display: flex;
    gap: 4px;
    margin-top: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.app-nav::-webkit-scrollbar { display: none; }
.app-nav a {
    color: #fff;
    text-decoration: none;
    font-size: 0.82rem;
    opacity: 0.9;
    white-space: nowrap;
    padding: 6px 10px;
    border-radius: 14px;
    background: rgba(255,255,255,0.12);
}
.app-nav a:last-child { margin-left: auto; opacity: 0.75; }

main { max-width: 900px; margin: 0 auto; padding: 20px 16px 100px; }

.card {
    background: var(--ec-white);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

h2.section-title {
    font-size: 1.05rem;
    color: var(--ec-maroon);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--ec-bg);
}

label { display: block; font-size: 0.85rem; color: #555; margin-bottom: 4px; margin-top: 12px; }
label:first-child { margin-top: 0; }

input[type=text], input[type=email], input[type=tel], input[type=date], input[type=number], textarea, select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--ec-border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--ec-white);
    font-family: inherit;
}
textarea { min-height: 70px; resize: vertical; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 22px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    min-height: 48px;
}
.btn-primary { background: var(--ec-maroon); color: #fff; }
.btn-primary:hover { background: var(--ec-maroon-dark); }
.btn-secondary { background: var(--ec-bg); color: var(--ec-text); border: 1px solid var(--ec-border); }
.btn-block { width: 100%; }
.btn-lg { font-size: 1.15rem; padding: 18px 24px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }

/* Boutons tactiles de type "choix" (equipement, type intervention) */
.choice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 480px) { .choice-grid { grid-template-columns: 1fr; } }
.choice-btn {
    display: block;
    padding: 16px;
    border: 2px solid var(--ec-border);
    border-radius: 10px;
    background: var(--ec-white);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
}
.choice-btn.selected { border-color: var(--ec-maroon); background: #fdf3f5; color: var(--ec-maroon); }

/* Checklist a 3 etats */
.checklist-row { padding: 12px 0; border-bottom: 1px solid var(--ec-bg); }
.checklist-row:last-child { border-bottom: none; }
.checklist-label { font-size: 0.92rem; margin-bottom: 8px; }
.tri-toggle { display: flex; gap: 8px; }
.tri-btn {
    flex: 1;
    padding: 10px 6px;
    border: 2px solid var(--ec-border);
    border-radius: 8px;
    background: var(--ec-white);
    font-size: 0.85rem;
    text-align: center;
    cursor: pointer;
    color: #666;
}
.tri-btn[data-val="valide"].active { background: var(--ec-success); border-color: var(--ec-success); color: #fff; }
.tri-btn[data-val="non_valide"].active { background: var(--ec-danger); border-color: var(--ec-danger); color: #fff; }
.tri-btn[data-val="sans_objet"].active { background: #888; border-color: #888; color: #fff; }

/* Phrases pre-ecrites cliquables */
.phrase-chip {
    display: inline-block;
    padding: 8px 12px;
    margin: 4px 6px 4px 0;
    border: 1px solid var(--ec-border);
    border-radius: 20px;
    background: var(--ec-white);
    font-size: 0.85rem;
    cursor: pointer;
}
.phrase-chip:hover { background: var(--ec-bg); }
.phrase-chip.used { opacity: 0.4; }

/* Signature */
.sig-wrap { border: 2px dashed var(--ec-border); border-radius: 10px; touch-action: none; background: #fff; }
canvas.sig-canvas { display: block; width: 100%; height: 180px; touch-action: none; }
.sig-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.sig-clear { font-size: 0.85rem; color: var(--ec-maroon); background: none; border: none; cursor: pointer; text-decoration: underline; }

/* Bandeau danger CO */
.co-band { padding: 12px 14px; border-radius: 8px; font-size: 0.9rem; margin-top: 10px; }
.co-band.normal { background: #e8f5e9; color: var(--ec-success); }
.co-band.anomalie { background: #fff3e0; color: var(--ec-warning); }
.co-band.danger { background: #ffebee; color: var(--ec-danger); font-weight: 700; }

/* Etapes */
.step { display: none; }
.step.active { display: block; }
.step-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; }
.step-progress { text-align: center; font-size: 0.8rem; color: #888; margin-bottom: 14px; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data-table th, table.data-table td { padding: 10px 8px; border-bottom: 1px solid var(--ec-bg); text-align: left; }
table.data-table th { color: #666; font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }

.search-box { position: relative; }
.search-results { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border: 1px solid var(--ec-border); border-radius: 8px; max-height: 260px; overflow-y: auto; z-index: 5; display: none; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.search-results.show { display: block; }
.search-result-item { padding: 12px 14px; border-bottom: 1px solid var(--ec-bg); cursor: pointer; }
.search-result-item:hover { background: var(--ec-bg); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.badge-chaudiere { background: #e3f2fd; color: #1565c0; }
.badge-poele { background: #fff3e0; color: #e65100; }
.badge-ramonage { background: #ede7f6; color: #4527a0; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: #ffebee; color: var(--ec-danger); }
.alert-success { background: #e8f5e9; color: var(--ec-success); }

.login-wrap { max-width: 380px; margin: 60px auto; padding: 0 16px; }
.login-logo { text-align: center; margin-bottom: 24px; }
.login-logo img { height: 70px; }