:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --secondary: #64748b;
    --success: #22c55e;
    --success-hover: #16a34a;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    padding: 12px;
}

.app-container { max-width: 900px; margin: 0 auto; }

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 10px;
}

.logo-box { display: flex; align-items: center; gap: 10px; }
.logo-box .icon { font-size: 28px; }
.logo-box h1 { font-size: 20px; font-weight: 700; color: #fff; }
.logo-box h1 small { font-size: 12px; color: var(--primary); font-weight: 500; display: block; }

.struct-selector select {
    background: #0f172a;
    color: #fff;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.app-nav { display: flex; gap: 8px; margin-bottom: 16px; }

.nav-btn {
    flex: 1;
    padding: 12px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s;
}

.nav-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

select, input[type="text"], textarea {
    background: #0f172a;
    color: #fff;
    border: 1px solid var(--border-color);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 15px;
    width: 100%;
}

.btn {
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-lg { padding: 14px; font-size: 16px; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-color); }

.family-gauges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

.family-gauge-card {
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
}

.gauge-header {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 6px;
}

.gauge-count { color: var(--primary); }

.progress-bar-bg {
    width: 100%;
    height: 12px;
    background: #334155;
    border-radius: 6px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--success));
    transition: width 0.4s ease;
}

.scan-card.disabled { opacity: 0.5; pointer-events: none; }

.video-container {
    position: relative;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
    text-align: center;
}

.scan-video { width: 100%; max-height: 250px; object-fit: cover; }

.immo-info-box {
    margin-top: 16px;
    background: #0f172a;
    border: 1px solid var(--primary);
    padding: 16px;
    border-radius: 10px;
}

.immo-id { font-size: 18px; font-weight: 800; color: var(--primary); }
.immo-lib { font-size: 16px; color: #fff; margin-top: 4px; }
.immo-fam { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.state-selection-box { margin-top: 16px; }
.state-btn-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }

.state-btn {
    background: #334155;
    color: var(--text-muted);
    border: 2px solid transparent;
    padding: 10px;
    font-size: 13px;
}

.state-btn.active.state-ok { background: rgba(34, 197, 94, 0.2); color: #4ade80; border-color: var(--success); }
.state-btn.active.state-moyen { background: rgba(245, 158, 11, 0.2); color: #fde047; border-color: var(--warning); }
.state-btn.active.state-hs { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border-color: var(--danger); }

.gps-badge {
    margin-top: 12px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: #1e293b;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.action-btn-row { display: flex; flex-direction: column; gap: 10px; }

.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-box {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    max-width: 360px;
    width: 90%;
    text-align: center;
}

.qr-img-box img { max-width: 220px; border-radius: 8px; margin: 16px 0; background: #fff; padding: 8px; }
.qr-label { font-size: 14px; font-weight: bold; margin-bottom: 16px; }

.modal-actions { display: flex; gap: 8px; justify-content: center; }

.hidden { display: none !important; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.text-center { text-align: center; }
.margin-top { margin-top: 12px; }