:root {
    --soft-blue: #f0f7ff;
    --main-blue: #2563eb;
    --dark-blue: #0f172a;
    --bright-orange: #f59e0b;
    --text-color: #1e293b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
}

/* Sidebar */
.sidebar {
    height: 100vh;
    width: 250px;
    position: fixed;
    top: 0;
    left: 0;
    background-color: #ffffff;
    border-right: 1px solid #ddd;
    padding-top: 20px;
    transition: all 0.3s ease;
    z-index: 1000;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar .logo-area {
    padding: 0 20px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    color: var(--main-blue);
    font-weight: bold;
    font-size: 1.2rem;
    overflow: hidden;
    white-space: nowrap;
}

.brand-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar.collapsed .logo-area {
    padding: 0 0 20px;
    justify-content: center;
}

.sidebar.collapsed .brand-name {
    display: none;
}

.sidebar a {
    padding: 15px 25px;
    text-decoration: none;
    font-size: 16px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    transition: 0.3s;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar.collapsed a {
    padding: 15px 0;
    justify-content: center;
}

.sidebar.collapsed a span, .sidebar.collapsed a .menu-text {
    display: none;
}

.sidebar.collapsed a i {
    margin-right: 0 !important;
    font-size: 1.2rem;
}

.sidebar a:hover, .sidebar a.active {
    background-color: var(--soft-blue);
    color: var(--main-blue);
    border-right: 4px solid var(--bright-orange);
}

/* Content Area */
.main-content {
    margin-left: 250px;
    padding: 30px;
    transition: all 0.3s ease;
}

.main-content.expanded {
    margin-left: 70px;
}

/* Components */
.btn-primary-custom {
    background-color: var(--main-blue);
    color: white;
    border: none;
}
.btn-primary-custom:hover {
    background-color: #357abd;
    color: white;
}

.btn-orange {
    background-color: var(--bright-orange);
    color: white;
    border: none;
}
.btn-orange:hover {
    background-color: #e68900;
    color: white;
}

.card-custom {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}
.card-custom:hover {
    transform: translateY(-5px);
}

.stat-card {
    border-left: 4px solid var(--bright-orange);
}

.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 100%;
    max-width: 450px;
}

/* Print Handling */
@media print {
    .sidebar, .no-print, .btn, form {
        display: none !important;
    }
    .main-content {
        margin-left: 0;
        padding: 0;
    }
    .card-custom {
        box-shadow: none;
        border: 1px solid #000;
    }
    table {
        width: 100% !important;
        border-collapse: collapse;
    }
    th, td {
        border: 1px solid black !important;
        padding: 8px;
    }
}

.sidebar-note {
    background: #fff3c7;
    border-left: 4px solid #0d6efd;
    padding: 5px 12px;
    margin-top: 5px;
    margin-bottom: 5px;
    margin-left: 10px;
    margin-right: 10px;
    font-size: 13px;
    border-radius: 5px;
    font-weight: 500;
}

.sidebar-note p {
    margin-top: 5px;
    margin-bottom: 10px;
    padding-left: 5px;
}

.sidebar-note ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

/* Card Malam bintang */
.thead-night {
    position: relative;
    overflow: hidden;
}

.thead-night::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 5% 20%, rgba(255,255,255,0.6) 1px, transparent 2px),
        radial-gradient(circle at 15% 80%, rgba(173,216,230,0.6) 1px, transparent 2px),
        radial-gradient(circle at 30% 40%, rgba(255,193,7,0.5) 1px, transparent 2px),
        radial-gradient(circle at 45% 70%, rgba(186,104,200,0.5) 1px, transparent 2px),
        radial-gradient(circle at 60% 25%, rgba(100,181,246,0.5) 1px, transparent 2px),
        radial-gradient(circle at 75% 60%, rgba(255,255,255,0.6) 1px, transparent 2px),
        radial-gradient(circle at 90% 35%, rgba(76,175,80,0.5) 1px, transparent 2px),
        linear-gradient(135deg, #0b132b, #1c2541, #3a0ca3);
    animation: starMoveSlow 60s linear infinite;
    z-index: 0;
}

.thead-night::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 10% 50%, rgba(255,255,255,0.9) 1px, transparent 2px),
        radial-gradient(circle at 25% 15%, rgba(255,235,59,0.8) 1px, transparent 2px),
        radial-gradient(circle at 40% 85%, rgba(33,150,243,0.8) 1px, transparent 2px),
        radial-gradient(circle at 65% 40%, rgba(156,39,176,0.8) 1px, transparent 2px),
        radial-gradient(circle at 85% 75%, rgba(255,255,255,0.9) 1px, transparent 2px);
    animation: starMoveFast 90s linear infinite;
    z-index: 0;
}

.thead-night th {
    position: relative;
    background: transparent !important;
    color: #ffffff;
    border: none;
    padding: 12px;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.6);
    z-index: 1;
}

@keyframes starMoveSlow {
    from { background-position: 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0, 0 0; }
    to { background-position: 200px 100px, -150px 80px, 120px -60px, -100px 120px, 160px 40px, -140px -90px, 100px 150px, 0 0; }
}

@keyframes starMoveFast {
    from { background-position: 0 0, 0 0, 0 0, 0 0, 0 0; }
    to { background-position: -180px 90px, 140px -70px, -120px 140px, 160px 60px, -150px -100px; }
}

.card-night {
    position: relative;
    overflow: hidden;
    border: none;
    background:
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.8) 1px, transparent 2px),
        radial-gradient(circle at 25% 75%, rgba(255,193,7,0.7) 1px, transparent 2px),
        radial-gradient(circle at 45% 30%, rgba(33,150,243,0.7) 1px, transparent 2px),
        radial-gradient(circle at 70% 60%, rgba(156,39,176,0.7) 1px, transparent 2px),
        linear-gradient(135deg, #0b132b, #1c2541, #3a0ca3);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}

.title-night {
    margin: 0;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.6);
}

.badge-night {
    background: linear-gradient(135deg, #ffd23c, #ff8f00);
    color: #2c2c2c;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 20px;
    box-shadow: 0 0 6px rgba(255,193,7,0.6), 0 4px 12px rgba(255, 244, 244, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.badge-night:hover {
    transform: scale(1.05);
    box-shadow: 0 0 10px rgba(255,193,7,0.9), 0 6px 16px rgba(0,0,0,0.4);
}

/* Top Header */
.top-header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 12px 30px;
    margin: -30px -30px 30px -30px; /* Offset main-content padding */
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

#sidebarToggle {
    cursor: pointer;
    font-size: 1.2rem;
    color: #6c757d;
    transition: 0.3s;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

#sidebarToggle:hover {
    background: var(--soft-blue);
    color: var(--main-blue);
}

.breadcrumb-area h4 {
    margin: 0;
    font-weight: 700;
    color: var(--dark-blue);
    font-size: 1.2rem;
}

.profile-section {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 5px 12px;
    border-radius: 50px;
    transition: 0.3s;
}

.profile-section:hover {
    background: var(--soft-blue);
}

.avatar-circle {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--main-blue), var(--dark-blue));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9rem;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.user-info-text {
    line-height: 1.2;
}

.user-info-text .user-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

.user-info-text .user-role {
    display: block;
    font-size: 0.75rem;
    color: #6c757d;
    text-transform: capitalize;
}

/* Modal Settings styling */
.modal-header-custom {
    background: linear-gradient(135deg, var(--main-blue), var(--dark-blue));
    color: white;
}

.profile-detail-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.detail-item {
    margin-bottom: 12px;
}

.detail-label {
    font-size: 0.75rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.detail-value {
    font-weight: 600;
    color: var(--dark-blue);
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 768px) {
    .sidebar {
        left: -250px;
    }

    .sidebar.show {
        left: 0;
        box-shadow: 10px 0 30px rgba(0,0,0,0.1);
    }

    .main-content {
        margin-left: 0 !important;
        padding: 15px;
    }

    .top-header {
        margin: -15px -15px 20px -15px;
        padding: 10px 15px;
    }

    .breadcrumb-area h4 {
        font-size: 1rem;
    }

    .user-info-text {
        display: none;
    }

    /* Login Page Mobile */
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .nav-tabs .nav-link {
        font-size: 0.85rem;
        padding: 8px 12px;
    }

    .card-custom {
        padding: 20px !important;
    }

    .sidebar .logo-area {
        justify-content: space-between;
    }

    #closeSidebar {
        color: #6c757d;
        transition: 0.3s;
    }

    #closeSidebar:hover {
        color: var(--main-blue);
    }
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    backdrop-filter: blur(2px);
    transition: all 0.3s ease;
}

.sidebar-overlay.show {
    display: block;
}