:root {
    --color-bg: #f4f6f2;
    --color-surface: #ffffff;
    --color-border: #e1e5da;
    --color-text: #1f2a1f;
    --color-text-muted: #5c6b5c;
    --color-primary: #2f6f3e;
    --color-primary-dark: #234f2d;
    --color-danger: #c0392b;
    --color-warning: #d98c00;

    --status-disponible: #2ecc71;
    --status-reserve: #3498db;
    --status-en_utilisation: #f39c12;
    --status-en_panne: #e74c3c;
    --status-en_entretien: #9b59b6;
    --status-immobilise: #2c3e50;

    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.08);
    --sidebar-width: 230px;
}

* { box-sizing: border-box; }

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

a { color: var(--color-primary); }

/* --- Layout --- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--color-primary-dark);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    flex-shrink: 0;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; font-weight: 700; padding: 18px 16px; }
.sidebar-brand .brand-logo { width: 36px; height: 36px; border-radius: 9px; flex: none; }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 8px; flex: 1; }
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 12px; border-radius: 8px; color: #dce8dc; text-decoration: none;
    font-size: .95rem;
}
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.12); color: #fff; }
.nav-icon { font-size: 1.1rem; width: 22px; text-align: center; }
.sidebar-user { padding: 16px; border-top: 1px solid rgba(255,255,255,.15); font-size: .85rem; }
.user-name { margin-bottom: 6px; }
.link-button { background: none; border: none; color: #cfe3cf; cursor: pointer; padding: 0; font-size: .85rem; text-decoration: underline; }

.main-content { flex: 1; padding: 24px 28px 80px; max-width: 1200px; }

.fab {
    display: none;
    position: fixed; right: 20px; bottom: 20px;
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--color-primary); color: #fff;
    align-items: center; justify-content: center;
    font-size: 1.5rem; box-shadow: 0 4px 12px rgba(0,0,0,.25);
    text-decoration: none; z-index: 50;
}

/* --- Typography --- */
h1 { font-size: 1.5rem; margin: 0 0 6px; }
h2 { font-size: 1.2rem; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }
.text-muted { color: var(--color-text-muted); }

/* --- Cards / surfaces --- */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }
.grid { display: grid; gap: 16px; }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 18px; border-radius: 8px; border: 1px solid transparent;
    font-size: .95rem; font-weight: 600; cursor: pointer; text-decoration: none;
    background: var(--color-surface); color: var(--color-text); border-color: var(--color-border);
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 20px; font-size: 1.1rem; border-radius: 12px; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }

/* --- Forms --- */
.form-group { margin-bottom: 14px; display: flex; flex-direction: column; gap: 4px; }
label { font-size: .85rem; font-weight: 600; color: var(--color-text-muted); }
input, select, textarea {
    padding: 10px 12px; border: 1px solid var(--color-border); border-radius: 8px;
    font-size: 1rem; font-family: inherit; background: #fff; color: var(--color-text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
.form-row { display: flex; gap: 14px; flex-wrap: wrap; }
.form-row > .form-group { flex: 1; min-width: 200px; }

/* --- Auth --- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(160deg, #2f6f3e, #1f2a1f); }
.auth-card { background: #fff; border-radius: 16px; padding: 36px 32px; width: 340px; text-align: center; box-shadow: 0 10px 40px rgba(0,0,0,.25); }
.auth-logo { width: 108px; height: 108px; border-radius: 24px; box-shadow: 0 6px 18px rgba(0,0,0,.18); }
.auth-subtitle { color: var(--color-text-muted); margin-top: 12px; margin-bottom: 20px; }
.auth-form { display: flex; flex-direction: column; gap: 12px; text-align: left; }

/* --- Alerts --- */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; font-size: .9rem; }
.alert-error { background: #fdecea; color: var(--color-danger); border: 1px solid #f5c6c0; }
.alert-warning { background: #fff6e5; color: var(--color-warning); border: 1px solid #ffe2a8; }
.alert-info { background: #eaf2fb; color: #2166a3; border: 1px solid #c9e0f7; }

/* --- Status badges --- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 20px; font-size: .8rem; font-weight: 600; color: #fff; }
.badge-disponible { background: var(--status-disponible); }
.badge-reserve { background: var(--status-reserve); }
.badge-en_utilisation { background: var(--status-en_utilisation); }
.badge-en_panne { background: var(--status-en_panne); }
.badge-en_entretien { background: var(--status-en_entretien); }
.badge-immobilise { background: var(--status-immobilise); }
.badge-en_attente { background: #95a5a6; }
.badge-confirmee { background: var(--status-reserve); }
.badge-refusee, .badge-annulee { background: #7f8c8d; }
.badge-cloturee { background: #34495e; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--color-border); font-size: .9rem; }
th { background: #eef2ea; color: var(--color-text-muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafcf8; }

/* --- Empty state --- */
.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 3rem; margin-bottom: 10px; }

/* --- Planning --- */
.planning-table { overflow-x: auto; }
.planning-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.planning-equipment { width: 200px; flex-shrink: 0; font-weight: 600; font-size: .9rem; }
.planning-slots { display: flex; gap: 8px; flex-wrap: wrap; }
.planning-slot { padding: 6px 10px; border-radius: 6px; font-size: .8rem; color: #fff; }

/* --- Aide --- */
.help-hero { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; padding: 24px; border-radius: var(--radius); margin-bottom: 20px; }
.help-hero p { opacity: .92; margin: 6px 0 0; }
.help-toc { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.help-toc a { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 20px; padding: 6px 14px; font-size: .85rem; text-decoration: none; color: var(--color-text); }
.help-toc a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.help-section { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 12px; scroll-margin-top: 16px; }
.help-section summary { cursor: pointer; padding: 16px 18px; font-weight: 700; font-size: 1rem; display: flex; align-items: center; gap: 10px; list-style: none; }
.help-section summary::-webkit-details-marker { display: none; }
.help-section summary::after { content: '+'; margin-left: auto; font-size: 1.3rem; color: var(--color-text-muted); }
.help-section[open] summary::after { content: '−'; }
.help-section-body { padding: 0 18px 18px; }
.help-role-tag { font-size: .7rem; font-weight: 600; background: #eef2ea; color: var(--color-text-muted); padding: 2px 8px; border-radius: 10px; }
.help-steps { margin: 0; padding: 0; list-style: none; counter-reset: help-step; }
.help-steps li { counter-increment: help-step; position: relative; padding: 6px 0 6px 34px; }
.help-steps li::before { content: counter(help-step); position: absolute; left: 0; top: 5px; width: 22px; height: 22px; border-radius: 50%; background: var(--color-primary); color: #fff; font-size: .75rem; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.help-faq dt { font-weight: 600; margin-top: 12px; }
.help-faq dd { margin: 4px 0 0; color: var(--color-text-muted); }
.help-icon-link { color: var(--color-text-muted); text-decoration: none; font-size: .85rem; white-space: nowrap; margin-left: 8px; vertical-align: middle; }
.help-icon-link:hover { color: var(--color-primary); }

/* --- Entretien --- */
.maintenance-level { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 20px; font-size: .8rem; font-weight: 600; color: #fff; }
.maintenance-level.ok { background: var(--status-disponible); }
.maintenance-level.warning { background: var(--color-warning); }
.maintenance-level.overdue { background: var(--color-danger); }
.maintenance-level.unknown { background: #95a5a6; }
.maintenance-gauge { position: relative; height: 10px; border-radius: 5px; background: #e6ebe1; overflow: hidden; margin-top: 6px; }
.maintenance-gauge-fill { position: absolute; top: 0; left: 0; height: 100%; border-radius: 5px; }
.maintenance-gauge-fill.ok { background: var(--status-disponible); }
.maintenance-gauge-fill.warning { background: var(--color-warning); }
.maintenance-gauge-fill.overdue { background: var(--color-danger); }
.maintenance-rule-card { border: 1px solid var(--color-border); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; }
.maintenance-rule-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* --- Planning : chips de statut communs aux 3 vues calendrier --- */
.cal-chip {
    display: block; padding: 3px 7px; border-radius: 5px; font-size: .72rem;
    color: #fff; text-decoration: none; line-height: 1.3; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap;
}
.cal-chip strong { display: block; font-size: .74rem; font-weight: 600; }
.cal-chip.st-en_attente { background: #95a5a6; }
.cal-chip.st-confirmee { background: var(--status-reserve); }
.cal-chip.st-depart_effectue, .cal-chip.st-en_utilisation { background: var(--status-en_utilisation); }
.cal-chip.st-retour_effectue, .cal-chip.st-cloturee { background: #34495e; }
.cal-chip.st-refusee, .cal-chip.st-annulee, .cal-chip.st-no_show { background: #7f8c8d; }

/* --- Planning : vue calendrier mois --- */
.calendar-month { border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.calendar-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); background: #eef2ea; }
.calendar-weekdays span { padding: 8px 10px; font-size: .78rem; font-weight: 600; color: var(--color-text-muted); }
.calendar-week-row { display: grid; grid-template-columns: repeat(7, 1fr); border-top: 1px solid var(--color-border); }
.calendar-day-cell { min-height: 108px; padding: 6px; border-left: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 4px; }
.calendar-day-cell:first-child { border-left: none; }
.calendar-day-cell.outside { background: #fafaf8; opacity: .5; }
.calendar-day-cell.today { background: #eefaf0; }
.calendar-day-number { font-size: .78rem; font-weight: 700; color: var(--color-text-muted); }
.calendar-day-cell.today .calendar-day-number { color: var(--color-primary); }
.calendar-day-more { font-size: .7rem; color: var(--color-text-muted); }

/* --- Planning : vue calendrier semaine (grille materiel x jour) --- */
.calendar-week { overflow-x: auto; }
.calendar-week-grid { display: grid; grid-template-columns: 180px repeat(7, minmax(120px, 1fr)); min-width: 900px; }
.calendar-week-grid > .cw-head { padding: 8px 10px; font-size: .78rem; font-weight: 600; color: var(--color-text-muted); background: #eef2ea; }
.calendar-week-grid > .cw-equipment { padding: 10px; font-weight: 600; font-size: .85rem; border-top: 1px solid var(--color-border); display: flex; align-items: center; }
.calendar-week-grid > .cw-cell { padding: 6px; border-top: 1px solid var(--color-border); border-left: 1px solid var(--color-border); display: flex; flex-direction: column; gap: 4px; min-height: 56px; }

/* --- Planning : vue calendrier jour (Gantt horaire) --- */
.calendar-day-gantt { overflow-x: auto; }
.gantt-ruler { display: flex; margin-left: 190px; border-bottom: 1px solid var(--color-border); padding-bottom: 4px; min-width: 700px; }
.gantt-ruler span { flex: 1; font-size: .72rem; color: var(--color-text-muted); }
.gantt-row { display: flex; align-items: center; gap: 0; border-bottom: 1px solid var(--color-border); padding: 8px 0; min-width: 890px; }
.gantt-equipment { width: 190px; flex-shrink: 0; font-weight: 600; font-size: .85rem; padding-right: 10px; }
.gantt-track { position: relative; flex: 1; height: 34px; background: repeating-linear-gradient(to right, #eee, #eee 1px, transparent 1px, transparent calc(100% / 8)); border-radius: 6px; }
.gantt-bar { position: absolute; top: 3px; height: 28px; border-radius: 5px; color: #fff; font-size: .72rem; padding: 4px 6px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; text-decoration: none; }

/* --- Scanner --- */
.scanner-frame { max-width: 420px; margin: 0 auto; text-align: center; }
#qr-video { width: 100%; border-radius: var(--radius); background: #000; }

/* --- Responsive : mode terrain mobile --- */
@media (max-width: 900px) {
    .sidebar { position: fixed; left: 0; bottom: 0; top: auto; width: 100%; height: 64px; flex-direction: row; z-index: 40; }
    .sidebar-brand, .sidebar-user { display: none; }
    .sidebar-nav { flex-direction: row; justify-content: space-around; padding: 8px; width: 100%; }
    .nav-item { flex-direction: column; font-size: .65rem; padding: 6px 4px; gap: 2px; }
    .nav-icon { font-size: 1.3rem; }
    .main-content { padding: 16px 14px 90px; margin-bottom: 64px; }
    .grid-5, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; }
    .fab { display: none; }
    .btn-lg { font-size: 1.15rem; padding: 18px; }

    .calendar-day-cell { min-height: 74px; padding: 4px; }
    .calendar-day-number { font-size: .7rem; }
    .cal-chip { font-size: .64rem; padding: 2px 5px; }
}