:root {
    /* Light Mode Design System */
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-sidebar: #ffffff;
    --text-sidebar: #475569;
    --text-sidebar-active: #4f46e5;
    --bg-sidebar-active: #f1f5f9;
    --border-sidebar: #e2e8f0;
    --logo-text-color: #0f172a;
    --btn-close-filter: none;

    --border-color: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --primary: #4f46e5;
    --primary-light: rgba(79, 70, 229, 0.1);
    --primary-hover: #4338ca;
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --info: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.1);
    
    --card-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.04), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --sidebar-width: 260px;
    --font-family: 'Plus Jakarta Sans', sans-serif;
}

[data-theme="dark"] {
    /* Dark Mode Design System */
    --bg-body: #0b0f19;
    --bg-surface: #151f32;
    --bg-sidebar: #0f172a;
    --text-sidebar: #94a3b8;
    --text-sidebar-active: #ffffff;
    --bg-sidebar-active: rgba(255, 255, 255, 0.06);
    --border-sidebar: #22314a;
    --logo-text-color: #ffffff;
    --btn-close-filter: invert(1) grayscale(1) brightness(2);

    --border-color: #22314a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #6366f1;
    --primary-light: rgba(99, 102, 241, 0.15);
    --primary-hover: #4f46e5;
    
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    --info: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.15);
    
    --card-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 12px -6px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* App Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents overflow */
    background-color: var(--bg-body);
    transition: background-color 0.3s ease;
}

/* Sidebar Styling */
.sidebar-wrapper {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-right: 1px solid var(--border-sidebar);
}

.sidebar-header {
    border-bottom: 1px solid var(--border-sidebar) !important;
}

.sidebar-wrapper .btn-close {
    filter: var(--btn-close-filter);
    opacity: 0.8;
}

.sidebar-wrapper .btn-close:hover {
    opacity: 1;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--logo-text-color);
}

.logo-text span {
    color: var(--primary);
}

.logo-icon {
    font-size: 1.1rem;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 36px;
    height: 36px;
}

.nav-item-header {
    font-size: 0.7rem;
    letter-spacing: 1px;
    margin-top: 1rem;
}

.sidebar-nav .nav-link {
    color: var(--text-sidebar);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link i {
    width: 20px;
    font-size: 1.1rem;
}

.sidebar-nav .nav-link:hover, 
.sidebar-nav .nav-link.active {
    color: var(--text-sidebar-active);
    background-color: var(--bg-sidebar-active);
    border-left-color: var(--primary);
}

.sidebar-nav .logout-link:hover {
    background-color: rgba(239, 68, 68, 0.08);
    border-left-color: var(--danger);
    color: var(--danger) !important;
}

/* Custom Navbar */
.navbar-custom {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    height: 70px;
    z-index: 900;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.01);
}

.page-heading-title {
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.btn-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background-color: transparent;
    border: none;
    transition: all 0.2s ease;
}

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

/* Theme Toggle Button */
.btn-theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.2s ease;
}

.btn-theme-toggle:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

/* User Avatar & Info */
.user-avatar-circle {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.95rem;
}

.user-name-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.user-role-label {
    font-size: 0.75rem;
    line-height: 1.2;
}

/* Stat Card Styling */
.stat-card-custom {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    overflow: hidden;
}

.stat-card-custom:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.stat-card-icon-box {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.stat-card-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
}

/* Modern Card Layouts */
.card-custom {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.card-custom .card-header-custom {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-custom .card-body-custom {
    padding: 1.5rem;
}

/* Table Custom Overrides */
.table-custom-wrapper {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.table-custom-wrapper table {
    margin-bottom: 0;
}

.table-custom-wrapper th {
    background-color: var(--border-color);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
}

.table-custom-wrapper td {
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
    font-size: 0.9rem;
}

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

.table-custom-wrapper tr:hover td {
    background-color: rgba(0, 0, 0, 0.015);
}

[data-theme="dark"] .table-custom-wrapper tr:hover td {
    background-color: rgba(255, 255, 255, 0.015);
}

/* Buttons and Inputs */
.form-control, .form-select {
    background-color: var(--bg-body);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    background-color: var(--bg-surface);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

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

[data-theme="dark"] .form-control, 
[data-theme="dark"] .form-select {
    background-color: #1a273d;
    border-color: #243552;
}

[data-theme="dark"] .form-control:focus, 
[data-theme="dark"] .form-select:focus {
    background-color: #1e2e47;
    border-color: var(--primary);
}

.btn-primary-custom {
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary-custom:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

/* Glassmorphism Login design */
.login-body-bg {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, rgb(4, 21, 45) 0%, rgb(15, 32, 67) 90.1%);
    padding: 20px;
    font-family: var(--font-family);
}

.login-glass-card {
    background: rgba(21, 31, 50, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    padding: 3rem 2.5rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    text-align: center;
    color: #ffffff;
}

.login-logo-circle {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: var(--primary);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.login-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.5px;
}

.login-subtitle {
    color: #94a3b8;
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.login-glass-card .form-label {
    text-align: left;
    display: block;
    font-size: 0.85rem;
    color: #e2e8f0;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.login-glass-card .form-control,
.login-glass-card .form-select {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 0.75rem 1rem;
}

.login-glass-card .form-control:focus,
.login-glass-card .form-select:focus {
    background: rgba(0, 0, 0, 0.35);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.login-btn {
    background: var(--primary);
    border: none;
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    color: #ffffff;
    width: 100%;
    margin-top: 1rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.login-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

/* DataTables Styling */
.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.35em 0.85em !important;
    border-radius: 6px !important;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-surface) !important;
    color: var(--text-secondary) !important;
    transition: all 0.2s ease;
    margin-left: 3px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current, 
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--primary) !important;
    color: #ffffff !important;
    border-color: var(--primary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: var(--border-color) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-color) !important;
}

.dataTables_wrapper .dataTables_filter input {
    margin-left: 0.5em;
    display: inline-block;
    width: auto;
}

/* Responsive Handling */
@media (max-width: 768px) {
    .sidebar-wrapper {
        position: fixed;
        left: calc(-1 * var(--sidebar-width));
        top: 0;
        bottom: 0;
        height: 100vh;
    }
    .sidebar-wrapper.show {
        left: 0;
    }
    .btn-icon {
        display: inline-flex;
    }
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Badges */
.badge-lunas {
    background-color: var(--success-light);
    color: var(--success);
    padding: 0.35em 0.65em;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-belum {
    background-color: var(--danger-light);
    color: var(--danger);
    padding: 0.35em 0.65em;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Chart Toggle Buttons */
.chart-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}
.chart-toggle-btn:first-child {
    border-top-left-radius: 8px;
    border-bottom-left-radius: 8px;
}
.chart-toggle-btn:last-child {
    border-top-right-radius: 8px;
    border-bottom-right-radius: 8px;
    border-left: none; /* Avoid double border */
}
.chart-toggle-btn.active {
    background-color: var(--primary);
    color: #ffffff !important;
    border-color: var(--primary);
    font-weight: 600;
}
.chart-toggle-btn:hover:not(.active) {
    background-color: var(--border-color);
    color: var(--text-primary);
}