/* ============================================
   Custom CSS untuk Aplikasi Bimbingan Skripsi
   ============================================ */

:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
}

/* ============================================
   Global Styles
   ============================================ */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-color);
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* ============================================
   Login Page
   ============================================ */
.bg-login-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
}

.card {
    border-radius: 1rem;
}

.form-control-lg {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.btn-lg {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
    min-height: 100vh;
    background: linear-gradient(180deg, #4e73df 10%, #224abe 100%);
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem;
    border-radius: 0.35rem;
    margin: 0.25rem 0;
    transition: all 0.3s;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 1.5rem;
    text-align: center;
}

.sidebar-brand {
    padding: 1.5rem 1rem;
    text-align: center;
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
    display: block;
}

.sidebar-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    margin: 1rem 0;
}

.sidebar-heading {
    text-transform: uppercase;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.5rem 1rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.1rem;
}

/* ============================================
   Topbar
   ============================================ */
.topbar {
    height: 4.375rem;
    background-color: #fff;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.topbar .navbar-nav .nav-item .nav-link {
    color: var(--dark-color);
    padding: 0.75rem 1rem;
}

.topbar .navbar-nav .nav-item.dropdown .dropdown-toggle::after {
    display: none;
}

.topbar .dropdown-menu {
    border: none;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

/* ============================================
   Cards
   ============================================ */
.card {
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    border: none;
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: #f8f9fc;
    border-bottom: 1px solid #e3e6f0;
    padding: 0.75rem 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.card-body {
    padding: 1.25rem;
}

/* Dashboard Cards */
.card-stats {
    border-left: 0.25rem solid;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card-stats:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 2rem 0 rgba(58, 59, 69, 0.25);
}

.card-stats.border-left-primary {
    border-left-color: var(--primary-color);
}

.card-stats.border-left-success {
    border-left-color: var(--success-color);
}

.card-stats.border-left-info {
    border-left-color: var(--info-color);
}

.card-stats.border-left-warning {
    border-left-color: var(--warning-color);
}

.card-stats .card-icon {
    font-size: 2rem;
    color: rgba(0, 0, 0, 0.15);
}

/* ============================================
   Tables
   ============================================ */
.table {
    color: var(--dark-color);
}

.table thead th {
    background-color: #f8f9fc;
    border-bottom: 2px solid #e3e6f0;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05rem;
    padding: 1rem;
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: #f8f9fc;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    border-radius: 0.35rem;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #17a673;
    border-color: #169b6b;
}

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
}

.btn-danger:hover {
    background-color: #e02d1b;
    border-color: #d52a1a;
}

.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #fff;
}

.btn-warning:hover {
    background-color: #f4b619;
    border-color: #f4b30d;
    color: #fff;
}

.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
}

.btn-info:hover {
    background-color: #2c9faf;
    border-color: #2a96a5;
}

/* ============================================
   Badges
   ============================================ */
.badge {
    padding: 0.35rem 0.65rem;
    font-weight: 600;
    border-radius: 0.35rem;
}

/* ============================================
   Forms
   ============================================ */
.form-control,
.form-select {
    border-radius: 0.35rem;
    border: 1px solid #d1d3e2;
    padding: 0.5rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* ============================================
   Utilities
   ============================================ */
.text-xs {
    font-size: 0.7rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-gray-800 {
    color: #5a5c69;
}

.text-gray-900 {
    color: #3a3b45;
}

.font-weight-bold {
    font-weight: 700;
}

.border-left-primary {
    border-left: 0.25rem solid var(--primary-color);
}

.border-left-success {
    border-left: 0.25rem solid var(--success-color);
}

.border-left-info {
    border-left: 0.25rem solid var(--info-color);
}

.border-left-warning {
    border-left: 0.25rem solid var(--warning-color);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 250px;
        transition: left 0.3s;
        z-index: 1000;
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .topbar {
        padding-left: 1rem;
    }
}

/* ============================================
   Animation
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .sidebar,
    .topbar,
    .btn,
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}