@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-main: #f4f7fa;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --primary: #2563eb;
    --primary-light: #eff6ff;
    --success: #10b981;
    --success-light: #ecfdf5;
    --warning: #f59e0b;
    --warning-light: #fffbeb;
    --danger: #f43f5e;
    --danger-light: #fff1f2;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { 
    font-family: 'Plus Jakarta Sans', sans-serif;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    overflow-x: hidden;
    letter-spacing: -0.1px;
}

/* Sidebar Modern - Gaya Cerah Elegan */
.sidebar {
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    width: 260px;
    z-index: 1000;
    transition: var(--transition);
}

.sidebar-brand {
    padding: 2rem 1.5rem;
    color: var(--primary);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f1f5f9;
}

.sidebar-brand i {
    background: var(--primary-light);
    padding: 10px;
    border-radius: var(--radius-md);
    font-size: 1.2rem;
}

.nav-link {
    color: var(--text-muted) !important;
    padding: 12px 16px;
    margin: 6px 16px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-link i {
    font-size: 1.1rem;
    transition: var(--transition);
}

.nav-link:hover {
    background: #f8fafc;
    color: var(--primary) !important;
    transform: translateX(4px);
}

.nav-link.active {
    background: var(--primary-light);
    color: var(--primary) !important;
}

.nav-link.active i {
    color: var(--primary);
}

/* Sidebar Overlay Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.3);
    z-index: 995;
    backdrop-filter: blur(4px);
}
.sidebar-overlay.show { display: block; }

/* Main Content */
.main-content {
    margin-left: 260px;
    padding: 2.5rem;
    min-height: 100vh;
    transition: var(--transition);
}

/* Topbar Premium */
.topbar {
    background: var(--card-bg);
    padding: 1.25rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 2.5rem;
}

.page-title {
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.35rem;
    letter-spacing: -0.3px;
}

.mobile-toggle {
    display: none;
    background: var(--primary-light);
    border: none;
    font-size: 1.25rem;
    color: var(--primary);
    cursor: pointer;
    padding: 10px;
    border-radius: var(--radius-md);
}

/* Kertu Statistik (Stat-Cards) */
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

/* Desain Komponen Tabel */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    font-size: 1.1rem;
}

.table thead th {
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
}

.table tbody td {
    padding: 16px;
    vertical-align: middle;
    color: var(--text-main);
    border-bottom: 1px solid #f1f5f9;
}

/* Badges Halus (Soft Badges) */
.badge {
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.8rem;
}
.bg-primary { background-color: var(--primary-light) !important; color: var(--primary) !important; }
.bg-success { background-color: var(--success-light) !important; color: var(--success) !important; }
.bg-warning { background-color: var(--warning-light) !important; color: var(--warning) !important; }
.bg-danger { background-color: var(--danger-light) !important; color: var(--danger) !important; }
.bg-dark { background-color: #f1f5f9 !important; color: var(--text-main) !important; border: 1px solid var(--border-color); }

/* Buttons & Forms */
.btn {
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.btn-primary { background-color: var(--primary); border: none; }
.btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-1px); }

.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    font-size: 0.95rem;
    background-color: #f8fafc;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    background-color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* --- HALAMAN LOGIN PREMIUM --- */
.login-body {
    background: linear-gradient(135deg, #f4f7fa 0%, #e2e8f0 100%);
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Dekorasi Background Manajemen Aset */
.login-bg-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0; left: 0;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}
.login-bg-decoration::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, rgba(255,255,255,0) 70%);
    top: -10%; right: -5%;
}
.login-bg-decoration::after {
    content: '';
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(16,185,129,0.06) 0%, rgba(255,255,255,0) 70%);
    bottom: -10%; left: -5%;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.1);
    position: relative;
    z-index: 5;
}

.login-icon-box {
    width: 64px; height: 64px;
    background: var(--primary);
    color: white;
    font-size: 1.75rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 10px 20px -5px rgba(37, 99, 235, 0.4);
}

.login-footer-copyright {
    position: relative;
    z-index: 5;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 991px) {
    .sidebar { left: -260px; }
    .sidebar.show { left: 0; box-shadow: 15px 0 30px rgba(0,0,0,0.05); }
    .main-content { margin-left: 0; padding: 1.5rem; }
    .topbar { padding: 1rem; margin-bottom: 1.5rem; }
    .mobile-toggle { display: block; }
}