/* ===================================
   RentalKu - Admin Panel Styles
   =================================== */

:root {
    --sidebar-width: 260px;
    --header-height: 70px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: #f1f5f9;
    color: #0f172a;
}

/* ========== LOGIN PAGE ========== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 1rem;
}

.login-container {
    display: flex;
    gap: 2rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.login-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #64748b;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #0f172a;
}

.login-form label i {
    color: #6366f1;
}

.login-form input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn {
    padding: 0.875rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-block {
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.login-footer a {
    color: #6366f1;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.login-footer a:hover {
    color: #4f46e5;
}

.login-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 1rem;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.login-info h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.login-info p {
    margin: 0.5rem 0;
}

/* ========== ADMIN LAYOUT ========== */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: #0f172a;
    color: white;
    z-index: 1000;
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header i {
    color: #6366f1;
    font-size: 2rem;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    color: #94a3b8;
    transition: all 0.3s;
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.nav-item i {
    font-size: 1.25rem;
    width: 24px;
}

.nav-item .badge {
    margin-left: auto;
    background: #ef4444;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
}

/* ========== HEADER ========== */
.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.content-header h1 {
    font-size: 2rem;
    margin: 0;
}

.content-header p {
    color: #64748b;
    margin: 0.25rem 0 0;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.btn-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border-radius: 999px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.user-menu i {
    font-size: 1.5rem;
    color: #6366f1;
}

/* ========== STATS GRID ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: 1rem;
    align-items: center;
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-icon.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.stat-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

.stat-info h3 {
    font-size: 1.75rem;
    margin: 0;
}

.stat-info p {
    color: #64748b;
    margin: 0.25rem 0 0;
}

/* ========== REVENUE CARDS ========== */
.revenue-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.revenue-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.revenue-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.revenue-header h3 {
    margin: 0;
    font-size: 1rem;
    color: #64748b;
}

.revenue-header i {
    font-size: 1.5rem;
    color: #6366f1;
}

.revenue-amount h2 {
    font-size: 2rem;
    margin: 0 0 0.5rem;
}

.revenue-change {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
}

.revenue-change.positive {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

/* ========== TABLE ========== */
.table-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.table-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
}

.table-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.table-responsive {
    overflow-x: auto;
}

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

.data-table thead {
    background: #f8fafc;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.data-table th {
    font-weight: 600;
    color: #64748b;
    font-size: 0.875rem;
    text-transform: uppercase;
}

.data-table tbody tr:hover {
    background: #f8fafc;
}

.data-table td strong {
    color: #0f172a;
}

.data-table td small {
    display: block;
    color: #94a3b8;
    font-size: 0.875rem;
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    width: 32px;
    height: 32px;
    border-radius: 0.375rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    color: white;
}

.btn-action.success {
    background: #10b981;
}

.btn-action.danger {
    background: #ef4444;
}

.btn-action.info {
    background: #3b82f6;
}

.btn-action.warning {
    background: #f59e0b;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.text-center {
    text-align: center;
}

.text-muted {
    color: #94a3b8;
}

.text-primary {
    color: #6366f1;
}

.empty-state {
    padding: 3rem 1rem;
    text-align: center;
    color: #94a3b8;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ========== FILTER TABS ========== */
.filter-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tab:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.tab.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.tab .badge {
    background: rgba(0, 0, 0, 0.1);
}

.tab.active .badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* ========== ALERTS ========== */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid #10b981;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid #ef4444;
}

.alert i {
    font-size: 1.25rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 968px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .revenue-cards {
        grid-template-columns: 1fr;
    }
    
    .main-content {
        padding: 1rem;
    }
}