/* ============================================
   INVENTORY APP - MODERN DARK THEME 2026
   ============================================ */

/* ----- Import Font ----- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ----- Root Variables ----- */
:root {
    --bg-primary: #0a1929;
    --bg-secondary: #0f2744;
    --bg-card: #132f4f;
    --bg-card-hover: #1a3d66;
    --bg-sidebar: #0a1929;
    --bg-input: #1a3d66;
    
    --text-primary: #e8f0fe;
    --text-secondary: #94b8d4;
    --text-muted: #5a7a9a;
    
    --accent-blue: #0d47a1;
    --accent-blue-light: #1565c0;
    --accent-blue-glow: #1976d2;
    --accent-cyan: #00bcd4;
    --accent-green: #00e676;
    --accent-red: #ff1744;
    --accent-yellow: #ffea00;
    --accent-orange: #ff9100;
    
    --glass-bg: rgba(19, 47, 79, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --border-radius: 16px;
    --border-radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ----- Reset & Base ----- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ----- Scrollbar Styling ----- */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue-light);
}

/* ----- Sidebar (Modern Glass) ----- */
.sidebar {
    background: var(--bg-sidebar);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--glass-border);
    min-height: 100vh;
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-brand {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 16px;
}

.sidebar-brand h5 {
    font-weight: 700;
    font-size: 20px;
    color: #fff;
    margin: 0;
    letter-spacing: -0.5px;
}

.sidebar-brand h5 span {
    color: var(--accent-cyan);
}

.sidebar-brand small {
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 400;
    display: block;
    margin-top: 2px;
}

.sidebar .nav {
    padding: 0 12px;
}

.sidebar .nav-item {
    margin-bottom: 4px;
}

.sidebar .nav-link {
    color: var(--text-secondary);
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.sidebar .nav-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    transition: var(--transition);
}

.sidebar .nav-link:hover {
    background: rgba(13, 71, 161, 0.3);
    color: #fff;
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(13, 71, 161, 0.4);
}

.sidebar .nav-link.active i {
    color: #fff;
}

.sidebar .nav-link.logout {
    color: var(--accent-red);
    margin-top: 20px;
    border-top: 1px solid var(--glass-border);
    padding-top: 16px;
}

.sidebar .nav-link.logout:hover {
    background: rgba(255, 23, 68, 0.15);
    color: var(--accent-red);
}

/* ----- Main Content ----- */
.main-content {
    padding: 24px 32px 40px;
    min-height: 100vh;
    background: radial-gradient(ellipse at 20% 50%, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

/* ----- Page Header ----- */
.page-header {
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--glass-border);
}

.page-header h1 {
    font-weight: 700;
    font-size: 28px;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 60%, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* ----- Cards (Glassmorphism) ----- */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
    border-color: rgba(13, 71, 161, 0.3);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 24px;
    font-weight: 600;
    font-size: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 24px;
}

.card-footer {
    background: transparent;
    border-top: 1px solid var(--glass-border);
    padding: 16px 24px;
}

/* ----- Stat Cards (Dashboard) ----- */
.stat-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    opacity: 0;
    transition: var(--transition);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
    border-color: rgba(13, 71, 161, 0.3);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 12px;
}

.stat-card .stat-icon.blue {
    background: rgba(13, 71, 161, 0.3);
    color: var(--accent-blue-light);
}

.stat-card .stat-icon.green {
    background: rgba(0, 230, 118, 0.15);
    color: var(--accent-green);
}

.stat-card .stat-icon.cyan {
    background: rgba(0, 188, 212, 0.15);
    color: var(--accent-cyan);
}

.stat-card .stat-icon.orange {
    background: rgba(255, 145, 0, 0.15);
    color: var(--accent-orange);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-top: 4px;
    letter-spacing: -0.5px;
}

/* ----- Tables (Glass) ----- */
.table-responsive {
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
    color: var(--text-primary);
}

.table thead th {
    background: rgba(13, 71, 161, 0.2);
    border-bottom: 2px solid var(--glass-border);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 14px 16px;
    border: none;
}

.table tbody td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--glass-border);
    vertical-align: middle;
    background: transparent;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: rgba(13, 71, 161, 0.1);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ----- Buttons (Modern) ----- */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 14px;
    padding: 10px 24px;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(13, 71, 161, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(13, 71, 161, 0.5);
    color: #fff;
    background: linear-gradient(135deg, var(--accent-blue-light), var(--accent-blue-glow));
}

.btn-success {
    background: linear-gradient(135deg, #00c853, #00e676);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0, 200, 83, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 200, 83, 0.5);
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, #d50000, #ff1744);
    color: #fff;
    box-shadow: 0 4px 20px rgba(213, 0, 0, 0.3);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(213, 0, 0, 0.5);
    color: #fff;
}

.btn-warning {
    background: linear-gradient(135deg, #f57f17, #ff9100);
    color: #fff;
    box-shadow: 0 4px 20px rgba(245, 127, 23, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(245, 127, 23, 0.5);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    color: #fff;
    transform: translateY(-2px);
}

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

/* ----- Form Controls (Dark) ----- */
.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.form-control:focus, .form-select:focus {
    background: var(--bg-input);
    border-color: var(--accent-blue-light);
    color: var(--text-primary);
    box-shadow: 0 0 0 4px rgba(13, 71, 161, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

/* ----- Badges ----- */
.badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.badge-success {
    background: rgba(0, 230, 118, 0.2);
    color: var(--accent-green);
}

.badge-warning {
    background: rgba(255, 234, 0, 0.15);
    color: var(--accent-yellow);
}

.badge-danger {
    background: rgba(255, 23, 68, 0.2);
    color: var(--accent-red);
}

.badge-info {
    background: rgba(0, 188, 212, 0.2);
    color: var(--accent-cyan);
}

.badge-primary {
    background: rgba(13, 71, 161, 0.3);
    color: var(--accent-blue-light);
}

/* ----- Login/Register (Centered) ----- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    padding: 20px;
}

.auth-card {
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 48px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--glass-shadow);
    animation: fadeUp 0.6s ease;
}

.auth-card .auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-card .auth-logo h2 {
    font-weight: 700;
    font-size: 28px;
}

.auth-card .auth-logo h2 span {
    color: var(--accent-cyan);
}

.auth-card .auth-logo p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

.auth-card .form-control {
    background: rgba(26, 61, 102, 0.5);
}

.auth-card .btn {
    padding: 12px;
    font-size: 15px;
}

/* ----- Alerts (Glass) ----- */
.alert {
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 16px 20px;
    font-weight: 500;
}

.alert-success {
    border-color: rgba(0, 230, 118, 0.3);
    color: var(--accent-green);
}

.alert-danger {
    border-color: rgba(255, 23, 68, 0.3);
    color: var(--accent-red);
}

.alert-info {
    border-color: rgba(0, 188, 212, 0.3);
    color: var(--accent-cyan);
}

/* ----- Animations ----- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ----- Responsive (Mobile First) ----- */

/* Tablet & Below */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 1050;
        transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-right: 1px solid var(--glass-border);
        box-shadow: 4px 0 40px rgba(0, 0, 0, 0.6);
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.6);
        z-index: 1040;
        backdrop-filter: blur(4px);
    }
    
    .sidebar-overlay.show {
        display: block;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .page-header h1 {
        font-size: 22px;
    }
    
    .stat-card .stat-value {
        font-size: 22px;
    }
    
    .auth-card {
        padding: 32px 24px;
    }
}

/* Mobile */
@media (max-width: 576px) {
    .main-content {
        padding: 12px;
    }
    
    .card-header {
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .card-body {
        padding: 16px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .stat-card .stat-value {
        font-size: 20px;
    }
    
    .table thead th,
    .table tbody td {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .auth-card {
        padding: 24px 16px;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 13px;
        width: 100%;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
        gap: 8px !important;
    }
    
    .d-flex.gap-2 .btn {
        width: 100%;
    }
    
    .row.gap-3 {
        gap: 12px !important;
    }
}

/* Dark Mode Toggle (Opsional) */
.theme-toggle {
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    transition: var(--transition);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
    color: #fff;
}

/* Hamburger Menu for Mobile */
.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    padding: 4px 8px;
    cursor: pointer;
}

@media (max-width: 991.98px) {
    .hamburger {
        display: block;
    }
}

/* Loading Skeleton (Placeholder) */
.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== DASHBOARD SPECIFIC ===== */

/* Stat Card dengan border kiri */
.stat-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    pointer-events: none;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 10px;
}

.stat-card .stat-icon.blue {
    background: rgba(13, 71, 161, 0.3);
    color: #42a5f5;
}

.stat-card .stat-icon.green {
    background: rgba(0, 230, 118, 0.15);
    color: #69f0ae;
}

.stat-card .stat-icon.orange {
    background: rgba(255, 145, 0, 0.15);
    color: #ffab40;
}

.stat-card .stat-icon.red {
    background: rgba(255, 23, 68, 0.15);
    color: #ff5252;
}

.stat-card .stat-icon.purple {
    background: rgba(156, 39, 176, 0.2);
    color: #ce93d8;
}

.stat-card .stat-icon.indigo {
    background: rgba(63, 81, 181, 0.2);
    color: #7986cb;
}

.stat-card .stat-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-top: 2px;
}

/* Badge dengan icon */
.badge i {
    margin-right: 4px;
}

/* List Group Item di Dashboard */
.list-group-item {
    background: transparent !important;
    border-color: var(--glass-border) !important;
    transition: all 0.2s ease;
}

.list-group-item:hover {
    background: rgba(13, 71, 161, 0.1) !important;
}

/* Quick Action Cards Hover */
.quick-action-card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.quick-action-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.quick-action-card .badge-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    font-size: 28px;
    transition: all 0.3s ease;
}

.quick-action-card:hover .badge-circle {
    transform: scale(1.1);
}

/* Responsive Fix */
@media (max-width: 576px) {
    .stat-card .stat-value {
        font-size: 22px;
    }
    
    .list-group-item {
        padding: 12px 16px;
    }
}