:root {
    --bg-main: #0f172a;
    --bg-card: #1e293b;
    --bg-card-glass: rgba(30, 41, 59, 0.7);
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #8b5cf6;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] {
    --bg-main: #f0f9ff;
    --bg-card: #ffffff;
    --bg-card-glass: rgba(255, 255, 255, 0.85);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --glass-border: 1px solid rgba(0, 0, 0, 0.05);
    --glass-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
}

button { cursor: pointer; font-family: inherit; border: none; outline: none; }
input, select, textarea { font-family: inherit; outline: none; }

#app { min-height: 100vh; display: flex; flex-direction: column; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-md); width: 100%; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.glass-card {
    background: var(--bg-card-glass);
    backdrop-filter: blur(12px);
    border: var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    padding: var(--spacing-xl);
}
.card-title { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--spacing-lg); color: var(--text-main); }
.card-content { color: var(--text-main); }

.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}
.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.5); }
.btn-secondary { background-color: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-secondary:hover { border-color: var(--text-main); color: var(--text-main); }
.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover { background-color: #dc2626; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.input-group { margin-bottom: var(--spacing-md); text-align: left; }
.input-group label { display: block; margin-bottom: var(--spacing-xs); font-size: 0.875rem; color: var(--text-muted); }
.input-group input, .input-group select, .input-group textarea {
    width: 100%; padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-main); transition: all 0.2s;
}
.input-group input:focus, .input-group select:focus, .input-group textarea:focus {
    border-color: var(--primary); background: rgba(255, 255, 255, 0.1);
}
.input-group textarea { resize: vertical; min-height: 100px; }

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.8); backdrop-filter: blur(4px);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000; opacity: 1; transition: opacity 0.2s;
}
.modal-overlay.hidden { opacity: 0; pointer-events: none; visibility: hidden; }
.modal-content {
    width: 90%; max-width: 600px; max-height: 90vh;
    overflow-y: auto; animation: modalSlide 0.3s ease;
    background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--glass-shadow);
}
@keyframes modalSlide { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: var(--spacing-lg); border-bottom: 1px solid var(--border); padding-bottom: var(--spacing-md);
}
.modal-body { padding: 0 var(--spacing-md); }
.close-modal-btn { background: none; border: none; color: var(--text-muted); font-size: 1.5rem; cursor: pointer; padding: 0; line-height: 1; }
.close-modal-btn:hover { color: var(--text-main); }

.table-container { overflow-x: auto; margin: var(--spacing-md) 0; }
.table { width: 100%; border-collapse: collapse; font-size: 0.9em; }
.table th, .table td { padding: var(--spacing-sm) var(--spacing-md); border: 1px solid var(--border); text-align: left; }
.table th { background-color: rgba(255, 255, 255, 0.05); font-weight: 600; color: var(--primary); white-space: nowrap; }
.table tr:nth-child(even) { background-color: rgba(255, 255, 255, 0.02); }
.table tr:hover { background-color: rgba(255, 255, 255, 0.05); }
.table-actions { display: flex; gap: var(--spacing-xs); }

.badge { display: inline-block; padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 600; }
.badge-active { background-color: rgba(16, 185, 129, 0.2); color: var(--success); }
.badge-pending { background-color: rgba(245, 158, 11, 0.2); color: var(--warning); }
.badge-inactive { background-color: rgba(239, 68, 68, 0.2); color: var(--danger); }

.alert { padding: var(--spacing-sm) var(--spacing-md); border-radius: var(--radius-md); margin-bottom: var(--spacing-md); font-size: 0.875rem; }
.alert-error { background-color: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background-color: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }

.spinner { width: 16px; height: 16px; border: 2px solid var(--text-muted); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 768px) { .container { padding: 0 var(--spacing-sm); } .glass-card { padding: var(--spacing-md); } }
@media print { body { background: white; color: black; } .glass-card { background: white; border: 1px solid #ddd; box-shadow: none; } .no-print { display: none; } }