:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #6366f1;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #111827;
    --dark-light: #1f2937;
    --dark-lighter: #374151;
    --text: #f9fafb;
    --text-secondary: #9ca3af;
    --border: #374151;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
}

/* === LOGIN === */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.pin-input {
    width: 100%;
    padding: 16px;
    font-size: 24px;
    letter-spacing: 8px;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-weight: 600;
}

.pin-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-block {
    width: 100%;
}

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* === DASHBOARD === */
.dashboard-page {
    background: var(--dark);
}

.navbar {
    background: var(--dark-light);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.navbar-menu {
    display: flex;
    gap: 24px;
    list-style: none;
}

.navbar-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--primary);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-secondary);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--dark-light);
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.stat-card-title {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

.stat-card-icon {
    font-size: 24px;
}

.stat-card-value {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-card-footer {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-trend {
    color: var(--success);
    font-weight: 600;
}

.card {
    background: var(--dark-light);
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 24px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: var(--dark-lighter);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

table td {
    padding: 12px;
    border-top: 1px solid var(--border);
}

.badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(34, 197, 94, 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(99, 102, 241, 0.2);
    color: var(--secondary);
}

/* === FORM CONTROLS === */
.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--dark-lighter);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    font-family: inherit;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 14px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #6ee7b7;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .navbar-menu {
        display: none;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }
}