:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --info: #0891b2;
    --info-bg: #cffafe;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --bg: #f3f4f6;
    --white: #ffffff;
    --radius: 10px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }

/* ---------- Auth pages ---------- */
.page-auth {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2563eb, #0891b2);
}

.auth-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius);
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
}

.auth-box h1 { margin: 0 0 0.25rem; font-size: 1.4rem; }
.auth-box h2 { margin: 0 0 1.5rem; font-weight: 500; color: var(--muted); font-size: 1.1rem; }
.auth-footer { margin-top: 1.2rem; font-size: 0.9rem; }
.auth-hint { margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }
.auth-logo { width: 72px; height: 72px; object-fit: contain; margin-bottom: 0.5rem; }

/* ---------- Layout ---------- */
.topbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.topbar-brand { font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; gap: 0.5rem; }
.topbar-logo { width: 32px; height: 32px; object-fit: contain; }
.topbar-nav { display: flex; gap: 1.2rem; }
.topbar-nav a { color: var(--muted); font-weight: 500; padding-bottom: 4px; }
.topbar-nav a.active, .topbar-nav a:hover { color: var(--primary); border-bottom: 2px solid var(--primary); }
.topbar-user { display: flex; align-items: center; gap: 0.8rem; font-size: 0.9rem; }
.licence-banniere { margin: 0; border-radius: 0; text-align: center; }
.licence-banniere a { font-weight: 700; margin-left: 0.4rem; text-decoration: underline; }

.container {
    max-width: 1000px;
    margin: 1.5rem auto;
    padding: 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

/* ---------- Cards ---------- */
.card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.card h2, .card h3 { margin-top: 0; }
.card-center { text-align: center; max-width: 480px; margin: 2rem auto; }
.muted { color: var(--muted); font-size: 0.9rem; }

/* ---------- Forms ---------- */
.form-vertical { display: flex; flex-direction: column; gap: 0.6rem; text-align: left; }
.form-vertical label { font-size: 0.85rem; font-weight: 600; color: var(--muted); }
.form-inline { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.form-inline label { display: flex; flex-direction: column; font-size: 0.8rem; color: var(--muted); gap: 0.2rem; }

input, select, button {
    font-family: inherit;
    font-size: 0.95rem;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="date"], select {
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    outline: none;
    background: var(--white);
}
input:focus, select:focus { border-color: var(--primary); }

.btn {
    padding: 0.6rem 1.1rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: opacity 0.15s ease;
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-small { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* ---------- Alerts ---------- */
.alert { padding: 0.7rem 1rem; border-radius: 8px; margin-top: 0.8rem; font-size: 0.9rem; }
.alert-error { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }

/* ---------- Caisse info ---------- */
.caisse-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1rem;
}
.badge {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-right: 0.4rem;
}
.badge-open { background: var(--success-bg); color: var(--success); }
.badge-closed { background: var(--bg); color: var(--muted); }

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.8rem;
}
.stat-box {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.stat-label { font-size: 0.8rem; color: var(--muted); }
.stat-value { font-size: 1.3rem; font-weight: 700; }
.stat-success { background: var(--success-bg); }
.stat-success .stat-value { color: var(--success); }
.stat-danger { background: var(--danger-bg); }
.stat-danger .stat-value { color: var(--danger); }
.stat-info { background: var(--info-bg); }
.stat-info .stat-value { color: var(--info); }

/* ---------- Movement form ---------- */
.type-toggle { display: flex; gap: 0.5rem; }
.radio-pill input { display: none; }
.radio-pill span {
    display: inline-block;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: 0.9rem;
}
.radio-pill input:checked + span { background: var(--primary); color: var(--white); border-color: var(--primary); }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th, .table td { padding: 0.6rem 0.7rem; text-align: left; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; }
.tag-entree { color: var(--success); font-weight: 600; }
.tag-sortie { color: var(--danger); font-weight: 600; }
.btn-delete { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 1rem; }
.table-actions { display: flex; gap: 0.4rem; flex-wrap: wrap; white-space: nowrap; }
.history-print-links { display: flex; gap: 0.6rem; margin-top: 0.8rem; flex-wrap: wrap; }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex; align-items: center; justify-content: center;
    z-index: 50;
    padding: 1rem;
}
.modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 420px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 0.6rem; margin-top: 1rem; }

/* ---------- Chart bars ---------- */
.chart-bars { display: flex; flex-direction: column; gap: 0.6rem; }
.chart-bar-row { display: grid; grid-template-columns: 140px 1fr 90px; align-items: center; gap: 0.6rem; font-size: 0.85rem; }
.chart-bar-track { background: var(--bg); border-radius: 6px; overflow: hidden; height: 14px; }
.chart-bar-fill { height: 100%; border-radius: 6px; }
.chart-bar-fill.entree { background: var(--success); }
.chart-bar-fill.sortie { background: var(--danger); }

@media (max-width: 600px) {
    .caisse-info-header { flex-direction: column; align-items: flex-start; }
    .chart-bar-row { grid-template-columns: 100px 1fr 70px; }
    .topbar { padding: 0.7rem 1rem; justify-content: center; text-align: center; }
    .topbar-brand { width: 100%; justify-content: center; }
    .topbar-nav { width: 100%; justify-content: center; gap: 0.9rem; }
    .topbar-user { width: 100%; justify-content: center; }
    .container { padding: 0 0.75rem; }
    .card { padding: 1.1rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 380px) {
    .stats-grid { grid-template-columns: 1fr; }
}

/* ---------- Bandeau de proposition d'installation (PWA) ---------- */
.install-banner {
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 500;
    max-width: 640px; margin: 0 auto;
    background: #111827; color: #fff; padding: 14px 16px; border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0,0,0,.3); display: flex; align-items: center; gap: 14px;
    flex-wrap: wrap; font-size: 0.85rem; animation: install-banner-in .3s ease;
}
@keyframes install-banner-in { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.install-banner-icon { font-size: 22px; line-height: 1; }
.install-banner-texte { flex: 1; min-width: 200px; }
.install-banner-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; margin-left: auto; }
.install-banner .btn-outline { color: #fff; border-color: rgba(255,255,255,.35); }
@media (max-width: 480px) {
    .install-banner { left: 10px; right: 10px; bottom: 10px; padding: 12px; }
    .install-banner-actions { width: 100%; justify-content: flex-end; margin-left: 0; }
}