:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #6b7280;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --bg: #0f0f0f;
    --bg-card: #1a1a1a;
    --bg-hover: #252525;
    --border: #333;
    --text: #f5f5f5;
    --text-muted: #9ca3af;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg); color: var(--text); display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--bg-card); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; height: 100vh; }
.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.sidebar-header h2 { font-size: 1.2rem; }
.version { font-size: 0.7rem; color: var(--text-muted); background: var(--border); padding: 2px 6px; border-radius: 4px; }
.sidebar-menu { list-style: none; padding: 10px 0; flex: 1; }
.menu-item { padding: 12px 20px; display: flex; align-items: center; gap: 12px; cursor: pointer; transition: all 0.2s; font-size: 0.9rem; }
.menu-item:hover { background: var(--bg-hover); }
.menu-item.active { background: var(--primary); color: white; }
.menu-icon { font-size: 1.1rem; }
.sidebar-footer { padding: 15px 20px; border-top: 1px solid var(--border); }
.back-link { color: var(--text-muted); text-decoration: none; font-size: 0.85rem; }
.back-link:hover { color: var(--primary); }
.main-content { flex: 1; margin-left: 240px; padding: 20px 30px; }
.section { display: none; }
.section.active { display: block; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }
.section-header h1 { font-size: 1.5rem; }
.header-actions { display: flex; gap: 10px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 25px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; display: flex; align-items: center; gap: 15px; }
.stat-card.warning { border-color: var(--warning); }
.stat-card.danger { border-color: var(--danger); }
.stat-card.success { border-color: var(--success); }
.stat-icon { font-size: 2rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; display: block; }
.stat-label { font-size: 0.8rem; color: var(--text-muted); }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.card-header { padding: 15px 20px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.02); }
.card-header h3 { font-size: 0.95rem; }
.card-body { padding: 15px 20px; }
.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.table-container { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.table th, .table td { padding: 12px 15px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: rgba(255,255,255,0.03); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; color: var(--text-muted); }
.table tr:hover { background: var(--bg-hover); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.filters-bar { display: flex; gap: 15px; margin-bottom: 20px; flex-wrap: wrap; }
.form-control { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; color: var(--text); font-size: 0.9rem; }
.form-control:focus { outline: none; border-color: var(--primary); }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.btn { padding: 10px 18px; border: none; border-radius: 8px; font-size: 0.9rem; font-weight: 500; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; transition: all 0.2s; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: white; }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 12px; font-size: 0.7rem; font-weight: 600; }
.badge-success { background: rgba(16,185,129,0.2); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.2); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.2); color: var(--danger); }
.badge-info { background: rgba(59,130,246,0.2); color: #60a5fa; }
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); z-index: 1000; justify-content: center; align-items: center; }
.modal.active { display: flex; }
.modal-content { background: var(--bg-card); border-radius: 16px; width: 90%; max-width: 500px; max-height: 90vh; overflow-y: auto; }
.modal-lg { max-width: 700px; }
.modal-xl { max-width: 900px; }
.modal-header { padding: 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.modal-header h3 { font-size: 1.1rem; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; }
.modal-body { padding: 20px; }
.modal-footer { padding: 15px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.escaner-paso { display: none; }
.escaner-paso.active { display: block; }
.escaner-capture { text-align: center; padding: 60px 20px; }
.btn-capture { width: 180px; height: 180px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border: none; color: white; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; cursor: pointer; margin: 0 auto; box-shadow: 0 8px 30px rgba(16,185,129,0.4); }
.btn-capture:active { transform: scale(0.95); }
.capture-icon { font-size: 3rem; }
.capture-text { font-size: 1rem; font-weight: 600; }
.capture-hint { margin-top: 20px; color: var(--text-muted); }
.escaner-processing { text-align: center; padding: 60px 20px; }
.spinner-large { width: 60px; height: 60px; border: 4px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 20px; }
@keyframes spin { to { transform: rotate(360deg); } }
.processing-text { font-size: 1.1rem; }
.processing-sub { color: var(--text-muted); margin-top: 8px; }
.result-grid { display: grid; grid-template-columns: 250px 1fr; gap: 20px; }
.result-preview img { width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.result-section { background: rgba(255,255,255,0.02); border-radius: 8px; padding: 15px; margin-bottom: 15px; }
.result-section h4 { font-size: 0.85rem; color: var(--primary); margin-bottom: 12px; }
.result-field { margin-bottom: 10px; }
.result-field label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 4px; }
.result-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.total-field { background: var(--bg); padding: 12px; border-radius: 8px; margin-top: 10px; }
.total-input { font-size: 1.2rem; font-weight: 700; }
.hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 5px; }
.facturas-pendientes-list { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; max-height: 200px; overflow-y: auto; }
.factura-check-item { padding: 12px 15px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.factura-check-item:last-child { border-bottom: none; }
.factura-check-item label { flex: 1; cursor: pointer; }
.factura-check-item .monto { font-weight: 600; color: var(--warning); }
.op-total { background: var(--primary); color: white; padding: 15px 20px; border-radius: 8px; display: flex; justify-content: space-between; align-items: center; font-size: 1.1rem; }
.op-total strong { font-size: 1.3rem; }
.cc-resumen { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 25px; }
.cc-stat { background: var(--bg); padding: 20px; border-radius: 8px; text-align: center; }
.cc-label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 5px; }
.cc-value { font-size: 1.5rem; font-weight: 700; }
.cc-value.success { color: var(--success); }
.cc-value.danger { color: var(--danger); }
.toast-container { position: fixed; bottom: 20px; right: 20px; z-index: 9999; }
.toast { background: var(--bg-card); border: 1px solid var(--border); padding: 12px 20px; border-radius: 8px; margin-top: 10px; animation: slideIn 0.3s ease; }
.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@media (max-width: 1024px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } .dashboard-grid { grid-template-columns: 1fr; } .result-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .sidebar { width: 60px; } .sidebar-header h2, .menu-item span:not(.menu-icon), .sidebar-footer { display: none; } .main-content { margin-left: 60px; padding: 15px; } .stats-grid { grid-template-columns: 1fr 1fr; } }

/* ===== FORM SECTIONS ABM ===== */
.form-section-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #f59e0b;
    padding: 12px 0 6px;
    border-bottom: 1px solid #2a2a3a;
    margin-bottom: 14px;
    margin-top: 6px;
}
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 16px;
    margin-bottom: 4px;
}
@media (max-width: 600px) {
    .form-grid-2 { grid-template-columns: 1fr; }
}
.req { color: #ef4444; }
.filters-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}