/* ==========================================================================
   LMS SEKOLAH MODERN - MODERN GREEN DASHBOARD DESIGN SYSTEM (FIXED LAYOUT)
   ========================================================================== */

:root {
    /* Color Palette */
    --primary-green: #2E7D32;
    --primary-green-hover: #1B5E20;
    --secondary-green: #4CAF50;
    --light-green: #E8F5E9;
    --accent-green-subtle: #C8E6C9;
    
    --bg-main: #F5F7FA;
    --bg-card: #FFFFFF;
    --bg-sidebar: #FFFFFF;
    --bg-header: #FFFFFF;
    
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --text-on-primary: #FFFFFF;
    
    --border-color: #E2E8F0;
    --border-light: #F1F5F9;
    
    /* Functional Colors */
    --info-blue: #0284C7;
    --info-bg: #E0F2FE;
    --warning-orange: #EA580C;
    --warning-bg: #FFEDD5;
    --danger-red: #DC2626;
    --danger-bg: #FEE2E2;
    --purple-accent: #9333EA;
    --purple-bg: #F3E8FF;
    
    /* Layout & Geometry */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 32px rgba(46, 125, 50, 0.08);
    --shadow-card-hover: 0 14px 28px rgba(46, 125, 50, 0.12);
    
    --sidebar-width: 260px;
    --header-height: 72px;
    
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
    font-size: inherit;
}

/* Layout Wrapper */
.app-container {
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    width: 100%;
    position: relative;
    background-color: var(--bg-main);
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: var(--transition-normal);
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-light);
    gap: 12px;
}

.brand-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 20px;
    box-shadow: var(--shadow-sm);
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1.2;
}

.brand-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 400;
}

.sidebar-menu {
    padding: 20px 16px;
    flex: 1;
    overflow-y: auto;
}

.menu-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin: 16px 12px 8px 12px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 4px;
    transition: var(--transition-fast);
}

.menu-item i, .menu-item svg {
    width: 20px;
    height: 20px;
    stroke-width: 2px;
    transition: var(--transition-fast);
}

.menu-item:hover {
    background-color: var(--light-green);
    color: var(--primary-green);
    transform: translateX(4px);
}

.menu-item.active {
    background-color: var(--primary-green);
    color: var(--text-on-primary);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.25);
}

.menu-item.active i, .menu-item.active svg {
    stroke: white;
}

/* Main Content Wrapper */
.main-wrapper {
    margin-left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 0;
    background-color: var(--bg-main);
}

/* Top Header */
.top-header {
    height: var(--header-height);
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.header-search {
    position: relative;
    width: 340px;
}

.header-search input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--primary-green);
    background-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.12);
}

.header-search i, .header-search svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    position: relative;
    transition: var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--light-green);
    color: var(--primary-green);
    border-color: var(--accent-green-subtle);
}

.badge-dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 8px;
    height: 8px;
    background-color: var(--danger-red);
    border-radius: 50%;
    border: 2px solid #FFFFFF;
}

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 14px 6px 6px;
    border-radius: var(--radius-full);
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-profile-btn:hover {
    border-color: var(--primary-green);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background-color: var(--primary-green);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-info {
    text-align: left;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.user-role {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Content Area Container */
.content-area {
    padding: 32px;
    flex: 1;
    width: 100%;
    min-width: 0;
}

/* Banner Welcome */
.welcome-banner {
    background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 50%, #4CAF50 100%);
    border-radius: var(--radius-xl);
    padding: 32px 40px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    margin-bottom: 28px;
    box-shadow: var(--shadow-lg);
}

.welcome-banner::before {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 240px;
    height: 240px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.welcome-text h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.welcome-text p {
    font-size: 14px;
    opacity: 0.9;
    max-width: 520px;
}

.banner-illustration {
    width: 140px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
}

.banner-illustration svg {
    width: 100px;
    height: 100px;
    stroke: rgba(255, 255, 255, 0.9);
}

/* Stat Cards Grid */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.green { background: var(--light-green); color: var(--primary-green); }
.stat-icon.blue { background: var(--info-bg); color: var(--info-blue); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning-orange); }
.stat-icon.purple { background: var(--purple-bg); color: var(--purple-accent); }

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: 2px;
}

/* Section Title & Header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-green);
    transition: var(--transition-fast);
}

.section-link:hover {
    color: var(--primary-green-hover);
    text-decoration: underline;
}

/* Class Card Grid */
.class-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.class-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
}

.class-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card-hover);
}

.class-card-header {
    padding: 20px;
    position: relative;
    color: white;
}

.class-card-header.color-1 { background: linear-gradient(135deg, #2E7D32, #4CAF50); }
.class-card-header.color-2 { background: linear-gradient(135deg, #1565C0, #1E88E5); }
.class-card-header.color-3 { background: linear-gradient(135deg, #6A1B9A, #8E24AA); }
.class-card-header.color-4 { background: linear-gradient(135deg, #D84315, #F4511E); }

.class-badge {
    display: inline-block;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
}

.class-card-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.class-card-teacher {
    font-size: 12px;
    opacity: 0.9;
    margin-top: 4px;
}

.class-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.progress-container {
    margin-top: 12px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background-color: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary-green), var(--primary-green));
    border-radius: var(--radius-full);
    transition: width 0.6s ease;
}

/* Two Column Dashboard Grid */
.dashboard-columns {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 28px;
}

/* Cards & Containers */
.content-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    padding: 24px;
    margin-bottom: 24px;
}

/* Task Item List */
.task-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    background-color: var(--bg-main);
    margin-bottom: 10px;
    border: 1px solid var(--border-light);
    transition: var(--transition-fast);
}

.task-item:hover {
    border-color: var(--accent-green-subtle);
    background-color: #FFFFFF;
}

.task-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.task-meta {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.status-pill {
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

.status-pill.pending { background: var(--warning-bg); color: var(--warning-orange); }
.status-pill.done { background: var(--light-green); color: var(--primary-green); }
.status-pill.info { background: var(--info-bg); color: var(--info-blue); }

/* Timeline Activity */
.activity-timeline {
    position: relative;
    padding-left: 20px;
}

.activity-timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-dot {
    position: absolute;
    left: -20px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--primary-green);
    border: 3px solid #FFFFFF;
    box-shadow: 0 0 0 2px var(--light-green);
}

.timeline-content {
    background-color: var(--bg-main);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
}

.timeline-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Button UI Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--primary-green);
    color: white;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-green-hover);
    box-shadow: 0 6px 16px rgba(46, 125, 50, 0.3);
}

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

.btn-outline:hover {
    background-color: var(--light-green);
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--radius-sm);
}

/* Table Design */
.custom-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.custom-table th {
    background-color: var(--bg-main);
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 14px 16px;
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

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

.custom-table tr:hover td {
    background-color: rgba(232, 245, 233, 0.3);
}

/* Modal Window */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: white;
    width: 90%;
    max-width: 560px;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
}

.modal-overlay.active .modal-card {
    transform: translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    max-height: 70vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #1E293B;
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.success { background: var(--primary-green); }
.toast.danger { background: var(--danger-red); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.mobile-only {
    display: none;
}

/* Mobile Backdrop Overlay for Sidebar */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(3px);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .dashboard-columns {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 768px) {
    .mobile-only {
        display: flex !important;
    }
    
    /* Prevent iOS Auto Zoom on Input Focus */
    input[type="text"],
    input[type="password"],
    input[type="email"],
    input[type="number"],
    input[type="date"],
    select,
    textarea {
        font-size: 16px !important;
    }

    /* Sidebar Mobile Drawer */
    .sidebar {
        position: fixed !important;
        top: 0;
        left: 0;
        height: 100vh !important;
        z-index: 100 !important;
        transform: translateX(-100%) !important;
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
        box-shadow: var(--shadow-lg);
        width: 270px !important;
    }

    .sidebar.open {
        transform: translateX(0) !important;
    }

    .main-wrapper {
        margin-left: 0 !important;
        width: 100% !important;
    }

    .top-header {
        padding: 0 14px !important;
        height: 60px !important;
    }

    .header-search {
        display: none !important;
    }

    .content-area {
        padding: 12px !important;
    }

    .welcome-banner {
        padding: 16px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }

    .welcome-banner h1 {
        font-size: 18px !important;
    }

    .banner-illustration {
        display: none !important;
    }

    /* Stat Cards Grid on Mobile */
    .stat-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }

    .stat-card {
        padding: 12px !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 8px !important;
    }

    .stat-number {
        font-size: 20px !important;
    }

    /* Section Headers & Action Buttons */
    .section-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
        margin-bottom: 14px !important;
    }

    .section-header > div:last-child {
        width: 100% !important;
        flex-wrap: wrap !important;
    }

    .section-header .btn {
        flex: 1 !important;
        justify-content: center !important;
        text-align: center !important;
        font-size: 12px !important;
        padding: 8px 12px !important;
    }

    /* Responsive Tables with Horizontal Touch Scrolling */
    .custom-table {
        display: block !important;
        width: 100% !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        white-space: nowrap !important;
    }

    .content-card {
        padding: 14px !important;
        border-radius: 12px !important;
        overflow-x: auto !important;
    }

    /* Modal Mobile Formatting */
    .modal-card {
        width: 94% !important;
        max-width: 94% !important;
        max-height: 90vh !important;
        margin: 16px auto !important;
        padding: 16px !important;
        border-radius: 16px !important;
    }

    .modal-body {
        max-height: 65vh !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }

    /* Material Grid on Mobile */
    .materi-grid {
        grid-template-columns: 1fr !important;
    }

    /* Form rows stacking */
    .form-row, 
    form div[style*="display: flex"],
    form div[style*="grid-template-columns"] {
        flex-direction: column !important;
        grid-template-columns: 1fr !important;
        width: 100% !important;
    }
}

@media (max-width: 480px) {
    .stat-grid {
        grid-template-columns: 1fr !important;
    }
    
    .section-title {
        font-size: 15px !important;
    }

    .user-name {
        display: none !important;
    }
}

/* ==========================================================================
   ENHANCED MATERI & CONTENT MANAGEMENT STYLES
   ========================================================================== */

.modal-card.modal-lg {
    max-width: 780px !important;
}

.modal-card.modal-xl {
    max-width: 1000px !important;
}

/* Filter Pills Bar */
.filter-pills-bar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    margin-bottom: 20px;
    scrollbar-width: thin;
}

.filter-pill {
    padding: 7px 14px;
    border-radius: var(--radius-full);
    font-size: 12.5px;
    font-weight: 600;
    background: #F1F5F9;
    color: var(--text-secondary);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.filter-pill:hover {
    background: #E2E8F0;
    color: var(--text-primary);
}

.filter-pill.active {
    background: var(--light-green);
    color: var(--primary-green);
    border-color: var(--accent-green-subtle);
    font-weight: 700;
}

/* Type Selector Grid */
.type-selector-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.type-card-item {
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    background: white;
}

.type-card-item:hover {
    border-color: var(--primary-green);
    background: var(--light-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.type-card-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px auto;
    font-size: 20px;
}

.type-card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Material Cards Grid */
.materi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.materi-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 16px;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.materi-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--accent-green-subtle);
    transform: translateY(-2px);
}

.materi-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.materi-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.materi-title-area {
    flex-grow: 1;
}

.materi-title {
    font-size: 14.5px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 4px;
}

.materi-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 10px;
}

.materi-meta-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.materi-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: #F8FAFC;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.materi-card-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

/* 3-Dots Dropdown Menu */
.dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.dropdown-menu-popover {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    border: 1px solid var(--border-color);
    padding: 6px;
    min-width: 150px;
    z-index: 150;
    display: none;
}

.dropdown-menu-popover.show {
    display: block;
    animation: fadeInFast 0.15s ease-out;
}

@keyframes fadeInFast {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item-btn {
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.dropdown-item-btn:hover {
    background: var(--light-green);
    color: var(--primary-green);
}

.dropdown-item-btn.danger:hover {
    background: var(--danger-bg);
    color: var(--danger-red);
}

/* Drag and Drop Handle & States */
.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    padding: 4px;
    display: inline-flex;
    align-items: center;
    border-radius: 4px;
}

.drag-handle:hover {
    color: var(--primary-green);
    background: var(--light-green);
}

.drag-handle:active {
    cursor: grabbing;
}

.draggable-item.dragging {
    opacity: 0.5;
    border: 2px dashed var(--primary-green) !important;
}

.draggable-item.drag-over {
    background: #E8F5E9 !important;
    border-color: var(--primary-green) !important;
}

/* Status Badges */
.status-badge-pill {
    font-size: 10.5px;
    font-weight: 700;
    padding: 3px 9px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-badge-pill.publish {
    background: #E8F5E9;
    color: #1B5E20;
    border: 1px solid #C8E6C9;
}

.status-badge-pill.draft {
    background: #FEF3C7;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.status-badge-pill.archived {
    background: #F1F5F9;
    color: #475569;
    border: 1px solid #E2E8F0;
}

/* Fullscreen styling for PDF & PPT Preview */
#pdfPreviewWrapper:fullscreen,
#pdfPreviewWrapper:-webkit-full-screen,
#pdfPreviewWrapper:-moz-full-screen,
#pptPreviewWrapper:fullscreen,
#pptPreviewWrapper:-webkit-full-screen,
#pptPreviewWrapper:-moz-full-screen,
#pptViewerFrameContainer:fullscreen,
#pptViewerFrameContainer:-webkit-full-screen,
#pptViewerFrameContainer:-moz-full-screen {
    display: flex !important;
    flex-direction: column !important;
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0 !important;
    border: none !important;
    background: #000000 !important;
    padding: 0 !important;
    margin: 0 !important;
}

#pdfPreviewWrapper:fullscreen #pdfIframeElem,
#pdfPreviewWrapper:-webkit-full-screen #pdfIframeElem,
#pdfPreviewWrapper:-moz-full-screen #pdfIframeElem {
    flex: 1 !important;
    width: 100vw !important;
    height: calc(100vh - 46px) !important;
    border-radius: 0 !important;
}

#pptPreviewWrapper:fullscreen #pptViewerFrameContainer,
#pptPreviewWrapper:-webkit-full-screen #pptViewerFrameContainer,
#pptPreviewWrapper:-moz-full-screen #pptViewerFrameContainer {
    flex: 1 !important;
    width: 100vw !important;
    height: calc(100vh - 46px) !important;
    background: #000000 !important;
    border-radius: 0 !important;
    overflow: hidden !important;
}

#pptViewerFrameContainer iframe {
    width: 100% !important;
    height: 100% !important;
    border: none !important;
    display: block !important;
}