/* =====================================================
   DIS-CHEM COURSE ADMINISTRATION SYSTEM - V2.0
   Modern, Bulletproof Design System
   ===================================================== */

/* =====================================================
   ROOT VARIABLES - Dis-Chem Brand Colors
   ===================================================== */
:root {
    /* Primary Dis-Chem Colors */
    --ca-primary-green: #10964D;
    --ca-primary-green-dark: #0D7A3E;
    --ca-primary-green-light: #13B35E;
    --ca-primary-green-hover: #0E8444;
    /* Secondary Colors */
    --ca-red: #DC2626;
    --ca-red-light: #FEE2E2;
    --ca-orange: #F97316;
    --ca-orange-light: #FFEDD5;
    --ca-blue: #2563EB;
    --ca-blue-light: #DBEAFE;
    /* Neutral Colors */
    --ca-gray-50: #F9FAFB;
    --ca-gray-100: #F3F4F6;
    --ca-gray-200: #E5E7EB;
    --ca-gray-300: #D1D5DB;
    --ca-gray-400: #9CA3AF;
    --ca-gray-500: #6B7280;
    --ca-gray-600: #4B5563;
    --ca-gray-700: #374151;
    --ca-gray-800: #1F2937;
    --ca-gray-900: #111827;
    /* Semantic Colors */
    --ca-success: var(--ca-primary-green);
    --ca-success-light: #D1FAE5;
    --ca-warning: var(--ca-orange);
    --ca-warning-light: var(--ca-orange-light);
    --ca-danger: var(--ca-red);
    --ca-danger-light: var(--ca-red-light);
    --ca-info: var(--ca-blue);
    --ca-info-light: var(--ca-blue-light);
    /* Spacing System */
    --ca-space-xs: 4px;
    --ca-space-sm: 8px;
    --ca-space-md: 16px;
    --ca-space-lg: 24px;
    --ca-space-xl: 32px;
    --ca-space-2xl: 48px;
    /* Border Radius */
    --ca-radius-sm: 6px;
    --ca-radius-md: 8px;
    --ca-radius-lg: 12px;
    --ca-radius-xl: 16px;
    --ca-radius-full: 9999px;
    /* Shadows */
    --ca-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --ca-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --ca-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --ca-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    /* Transitions */
    --ca-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --ca-transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --ca-transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    /* Z-Index System */
    --ca-z-base: 1;
    --ca-z-dropdown: 1000;
    --ca-z-sticky: 1020;
    --ca-z-fixed: 1030;
    --ca-z-modal-backdrop: 1040;
    --ca-z-modal: 1050;
    --ca-z-popover: 1060;
    --ca-z-tooltip: 1070;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */
.ca-admin-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--ca-gray-900);
    background-color: var(--ca-gray-50);
    min-height: 100vh;
    padding: var(--ca-space-lg);
}

    .ca-admin-container *,
    .ca-admin-container *::before,
    .ca-admin-container *::after {
        box-sizing: border-box;
    }

/* =====================================================
   HEADER SECTION
   ===================================================== */
.ca-admin-header {
    background: linear-gradient(135deg, var(--ca-primary-green) 0%, var(--ca-primary-green-dark) 100%);
    color: white;
    padding: var(--ca-space-xl);
    border-radius: var(--ca-radius-xl);
    margin-bottom: var(--ca-space-xl);
    box-shadow: var(--ca-shadow-lg);
}

    .ca-admin-header h1 {
        font-size: 28px;
        font-weight: 700;
        margin-bottom: var(--ca-space-sm);
        letter-spacing: -0.5px;
        margin: 0 0 var(--ca-space-sm) 0;
    }

    .ca-admin-header p {
        font-size: 16px;
        opacity: 0.95;
        font-weight: 400;
        margin: 0;
    }

/* =====================================================
   MAIN PANEL CONTAINER
   ===================================================== */
.ca-admin-panel {
    background: white;
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-md);
    overflow: hidden;
    margin-bottom: var(--ca-space-xl);
}

.ca-panel-header {
    padding: var(--ca-space-lg);
    border-bottom: 2px solid var(--ca-gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--ca-space-md);
    background: var(--ca-gray-50);
}

.ca-panel-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ca-gray-900);
    margin: 0;
}

/* =====================================================
   SEARCH & FILTER SECTION
   ===================================================== */
.ca-search-container {
    padding: var(--ca-space-lg);
    background: white;
    border-bottom: 1px solid var(--ca-gray-200);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ca-space-sm);
    padding: var(--ca-space-md);
    overflow-y: auto;
    max-height: 400px;
}

.ca-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--ca-space-xs);
    padding: var(--ca-space-md);
    border: 2px solid var(--ca-gray-200);
    border-radius: var(--ca-radius-md);
    cursor: pointer;
    transition: all var(--ca-transition-base);
    background: white;
}

    .ca-icon-item:hover {
        background: var(--ca-gray-50);
        border-color: var(--ca-primary-green);
        transform: scale(1.05);
    }

    .ca-icon-item.ca-selected {
        background: var(--ca-success-light);
        border-color: var(--ca-primary-green);
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.2);
    }

.ca-icon-emoji {
    font-size: 32px;
    line-height: 1;
}

.ca-icon-label {
    font-size: 11px;
    color: var(--ca-gray-600);
    text-align: center;
    font-weight: 500;
}

.ca-icon-selector-compact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 44px;
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-md);
    background: white;
    font-size: 24px;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-icon-selector-compact:hover {
        border-color: var(--ca-primary-green);
        background: var(--ca-gray-50);
    }

/* =====================================================
   MULTISELECT COMPONENT
   ===================================================== */
.ca-custom-multiselect {
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-md);
    background: white;
    overflow-y: auto;
    padding: var(--ca-space-sm);
}

.ca-multiselect-option {
    padding: var(--ca-space-sm) var(--ca-space-md);
    border-radius: var(--ca-radius-sm);
    cursor: pointer;
    transition: all var(--ca-transition-fast);
    user-select: none;
    margin-bottom: var(--ca-space-xs);
    border: 1px solid transparent;
    font-size: 14px;
    color: var(--ca-gray-700);
}

    .ca-multiselect-option:hover {
        background: var(--ca-gray-100);
    }

    .ca-multiselect-option.ca-selected {
        background: var(--ca-success-light);
        color: var(--ca-primary-green);
        border-color: var(--ca-primary-green);
        font-weight: 600;
    }

.ca-multiselect-controls {
    display: flex;
    gap: var(--ca-space-xs);
    margin-bottom: var(--ca-space-sm);
}

.ca-select-control-btn {
    padding: var(--ca-space-xs) var(--ca-space-md);
    border: 1px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-sm);
    background: white;
    color: var(--ca-gray-700);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-select-control-btn:hover {
        background: var(--ca-primary-green);
        color: white;
        border-color: var(--ca-primary-green);
    }

/* =====================================================
   OWNERSHIP & DEPARTMENT SECTIONS
   ===================================================== */
.ca-ownership-section {
    background: var(--ca-gray-50);
    border: 2px solid var(--ca-gray-200);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-md);
}

.ca-ownership-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ca-space-sm);
    margin-bottom: var(--ca-space-md);
    min-height: 60px;
}

.ca-owner-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--ca-space-sm);
    padding: var(--ca-space-sm) var(--ca-space-md);
    background: var(--ca-primary-green);
    color: white;
    border-radius: var(--ca-radius-full);
    font-size: 13px;
    font-weight: 500;
}

.ca-remove-owner {
    width: 20px;
    height: 20px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--ca-transition-base);
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .ca-remove-owner:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: scale(1.1);
    }

/* =====================================================
   TOOLTIPS & INFO ICONS
   ===================================================== */
.ca-info-tooltip {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--ca-info-light);
    color: var(--ca-info);
    font-size: 12px;
    cursor: help;
    margin-left: var(--ca-space-xs);
}

    .ca-info-tooltip:hover .ca-tooltip-content {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

.ca-tooltip-content {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-4px);
    background: var(--ca-gray-900);
    color: white;
    padding: var(--ca-space-md);
    border-radius: var(--ca-radius-md);
    box-shadow: var(--ca-shadow-lg);
    min-width: 200px;
    z-index: var(--ca-z-tooltip);
    opacity: 0;
    visibility: hidden;
    transition: all var(--ca-transition-base);
    pointer-events: none;
}

    .ca-tooltip-content::before {
        content: '';
        position: absolute;
        bottom: 100%;
        left: 50%;
        transform: translateX(-50%);
        border: 6px solid transparent;
        border-bottom-color: var(--ca-gray-900);
    }

.ca-tooltip-header {
    font-weight: 700;
    font-size: 13px;
    margin-bottom: var(--ca-space-sm);
    padding-bottom: var(--ca-space-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.ca-tooltip-row {
    display: flex;
    justify-content: space-between;
    gap: var(--ca-space-md);
    padding: var(--ca-space-xs) 0;
    font-size: 12px;
}

.ca-tooltip-label {
    color: rgba(255, 255, 255, 0.7);
}

.ca-tooltip-value {
    font-weight: 600;
}

/* =====================================================
   ALERTS & NOTIFICATIONS
   ===================================================== */
.ca-error-message,
.ca-success-message {
    padding: var(--ca-space-md);
    border-radius: var(--ca-radius-md);
    margin-bottom: var(--ca-space-md);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--ca-space-md);
}

.ca-error-message {
    background: var(--ca-danger-light);
    color: var(--ca-danger);
    border: 2px solid var(--ca-danger);
}

.ca-success-message {
    background: var(--ca-success-light);
    color: var(--ca-primary-green);
    border: 2px solid var(--ca-primary-green);
}

.ca-error-toast {
    position: fixed;
    top: var(--ca-space-lg);
    right: var(--ca-space-lg);
    background: white;
    border-radius: var(--ca-radius-lg);
    box-shadow: var(--ca-shadow-xl);
    width: 400px;
    max-width: calc(100vw - 32px);
    z-index: calc(var(--ca-z-modal) + 100);
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--ca-transition-base);
    overflow: hidden;
}

    .ca-error-toast.ca-show {
        opacity: 1;
        transform: translateX(0);
    }

.ca-toast-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--ca-space-md);
    background: var(--ca-danger);
    color: white;
}

.ca-toast-title {
    font-weight: 700;
    font-size: 16px;
}

.ca-toast-close {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: var(--ca-radius-sm);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-toast-close:hover {
        background: rgba(255, 255, 255, 0.3);
    }

.ca-toast-message {
    padding: var(--ca-space-md);
    color: var(--ca-gray-900);
    line-height: 1.5;
}

.ca-toast-progress {
    height: 4px;
    background: var(--ca-danger);
    animation: ca-toast-progress 10s linear;
}

@keyframes ca-toast-progress {
    from {
        width: 100%;
    }

    to {
        width: 0%;
    }
}

/* =====================================================
   REVIEW & EVALUATION POPUPS
   ===================================================== */
.ca-review-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--ca-z-modal-backdrop);
    padding: var(--ca-space-lg);
    opacity: 0;
    transition: opacity var(--ca-transition-base);
}

    .ca-review-popup.ca-show {
        display: flex !important;
        opacity: 1;
    }

.ca-review-popup-content {
    background: white;
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-xl);
    width: 100%;
    max-width: 700px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform var(--ca-transition-base);
}

.ca-review-popup.ca-show .ca-review-popup-content {
    transform: scale(1);
}

.ca-review-popup-header {
    padding: var(--ca-space-lg);
    background: linear-gradient(135deg, var(--ca-primary-green) 0%, var(--ca-primary-green-dark) 100%);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

    .ca-review-popup-header h2 {
        font-size: 20px;
        font-weight: 700;
        margin: 0;
    }

.ca-review-popup-body {
    padding: var(--ca-space-xl);
    overflow-y: auto;
}

.ca-course-info-card {
    background: var(--ca-gray-50);
    border: 2px solid var(--ca-gray-200);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-lg);
    margin-bottom: var(--ca-space-lg);
}

    .ca-course-info-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--ca-gray-900);
        margin-bottom: var(--ca-space-md);
    }

.ca-upload-area {
    border: 3px dashed var(--ca-gray-300);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-2xl);
    text-align: center;
    transition: all var(--ca-transition-base);
}

    .ca-upload-area:hover {
        border-color: var(--ca-primary-green);
        background: var(--ca-gray-50);
    }

.ca-upload-icon {
    font-size: 48px;
    margin-bottom: var(--ca-space-md);
}

.ca-custom-file-upload {
    margin-top: var(--ca-space-lg);
}

.ca-file-upload-btn {
    display: inline-block;
    padding: var(--ca-space-md) var(--ca-space-xl);
    background: var(--ca-primary-green);
    color: white;
    border-radius: var(--ca-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-file-upload-btn:hover {
        background: var(--ca-primary-green-hover);
        transform: translateY(-2px);
        box-shadow: var(--ca-shadow-md);
    }

.ca-selected-file-name {
    margin-top: var(--ca-space-md);
    font-size: 13px;
    color: var(--ca-gray-600);
    font-style: italic;
}

.ca-evaluation-popup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: calc(var(--ca-z-modal) + 50);
    padding: var(--ca-space-lg);
}

    .ca-evaluation-popup[style*="display: flex"] {
        display: flex !important;
    }

.ca-evaluation-popup-box {
    background: white;
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-xl);
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--ca-space-2xl);
}

.ca-evaluation-header {
    text-align: center;
    margin-bottom: var(--ca-space-xl);
    padding-bottom: var(--ca-space-lg);
    border-bottom: 2px solid var(--ca-gray-200);
}

    .ca-evaluation-header h3 {
        font-size: 24px;
        font-weight: 700;
        color: var(--ca-gray-900);
        margin: 0;
    }

.ca-evaluation-score {
    text-align: center;
    padding: var(--ca-space-xl);
    background: linear-gradient(135deg, var(--ca-primary-green) 0%, var(--ca-primary-green-dark) 100%);
    color: white;
    border-radius: var(--ca-radius-lg);
    margin-bottom: var(--ca-space-xl);
    font-size: 48px;
    font-weight: 700;
    box-shadow: var(--ca-shadow-lg);
}

.ca-evaluation-feedback {
    background: var(--ca-gray-50);
    border: 2px solid var(--ca-gray-200);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-lg);
    line-height: 1.7;
    color: var(--ca-gray-800);
}

    .ca-evaluation-feedback strong {
        color: var(--ca-gray-900);
        font-weight: 700;
    }

/* =====================================================
   DELETE CONFIRMATION DIALOG
   ===================================================== */
/* =====================================================
   DELETE CONFIRMATION DIALOG - DIS-CHEM COLORS
   ===================================================== */
.ca-delete-confirm-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

    .ca-delete-confirm-overlay.ca-show {
        opacity: 1;
    }

.ca-delete-confirm-box {
    background: white;
    border-radius: var(--ca-radius-xl);
    max-width: 520px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideInScale 0.3s ease;
}

.ca-delete-confirm-header {
    background: linear-gradient(135deg, #00A651 0%, #008C44 100%);
    padding: var(--ca-space-xl);
    text-align: center;
    color: white;
}

.ca-delete-confirm-icon {
    font-size: 48px;
    margin-bottom: var(--ca-space-sm);
    animation: warningPulse 2s ease-in-out infinite;
}

@keyframes warningPulse {
    0%, 100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.ca-delete-confirm-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    color: white;
}

.ca-delete-confirm-body {
    padding: var(--ca-space-xl);
}

.ca-delete-course-info {
    background: var(--ca-gray-50);
    border: 2px solid var(--ca-gray-200);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-lg);
    margin-bottom: var(--ca-space-xl);
}

.ca-delete-course-info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--ca-space-sm) 0;
    border-bottom: 1px solid var(--ca-gray-200);
}

    .ca-delete-course-info-row:last-child {
        border-bottom: none;
    }

.ca-delete-info-label {
    font-weight: 600;
    color: var(--ca-gray-600);
    font-size: 14px;
}

.ca-delete-info-value {
    font-weight: 700;
    color: var(--ca-gray-900);
    font-size: 14px;
    text-align: right;
    max-width: 60%;
    word-break: break-word;
}

.ca-delete-warning-message {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF3CD 100%);
    border: 2px solid #FFD54F;
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-lg);
    display: flex;
    gap: var(--ca-space-md);
    align-items: flex-start;
}

.ca-delete-warning-icon {
    font-size: 32px;
    flex-shrink: 0;
}

.ca-delete-warning-text {
    flex: 1;
}

    .ca-delete-warning-text strong {
        display: block;
        font-size: 16px;
        color: #F57C00;
        margin-bottom: var(--ca-space-sm);
    }

.ca-delete-items-list {
    margin: var(--ca-space-sm) 0 0 var(--ca-space-lg);
    padding: 0;
    color: var(--ca-gray-700);
    font-size: 14px;
    line-height: 1.8;
}

    .ca-delete-items-list li {
        margin-bottom: var(--ca-space-xs);
    }

.ca-delete-confirm-footer {
    padding: var(--ca-space-lg) var(--ca-space-xl);
    background: var(--ca-gray-50);
    display: flex;
    gap: var(--ca-space-md);
    justify-content: flex-end;
    border-top: 1px solid var(--ca-gray-200);
}

.ca-delete-confirm-btn {
    padding: var(--ca-space-md) var(--ca-space-xl);
    border: none;
    border-radius: var(--ca-radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--ca-space-sm);
    transition: all 0.2s ease;
    min-width: 140px;
    justify-content: center;
}

    .ca-delete-confirm-btn.ca-cancel {
        background: white;
        color: var(--ca-gray-700);
        border: 2px solid var(--ca-gray-300);
    }

        .ca-delete-confirm-btn.ca-cancel:hover {
            background: var(--ca-gray-50);
            border-color: var(--ca-gray-400);
            transform: translateY(-1px);
        }

    .ca-delete-confirm-btn.ca-confirm {
        background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
        color: white;
        box-shadow: 0 4px 12px rgba(245, 124, 0, 0.3);
    }

        .ca-delete-confirm-btn.ca-confirm:hover {
            background: linear-gradient(135deg, #F57C00 0%, #E65100 100%);
            box-shadow: 0 6px 16px rgba(245, 124, 0, 0.4);
            transform: translateY(-2px);
        }

        .ca-delete-confirm-btn.ca-confirm:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(245, 124, 0, 0.3);
        }

    .ca-delete-confirm-btn svg {
        width: 18px;
        height: 18px;
    }

@keyframes slideInScale {
    from {
        transform: scale(0.9) translateY(-20px);
        opacity: 0;
    }

    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}
/* =====================================================
   SPINNER/LOADER
   ===================================================== */
.ca-spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: calc(var(--ca-z-modal) + 100);
    gap: var(--ca-space-lg);
}

.ca-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--ca-primary-green);
    border-radius: 50%;
    animation: ca-spin 0.8s linear infinite;
}

@keyframes ca-spin {
    to {
        transform: rotate(360deg);
    }
}

.ca-spinner-text {
    color: white;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    max-width: 400px;
    line-height: 1.6;
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */
.ca-optional-tip {
    padding: var(--ca-space-md);
    background: var(--ca-info-light);
    border-left: 4px solid var(--ca-info);
    border-radius: var(--ca-radius-md);
    color: var(--ca-gray-700);
    font-size: 13px;
    line-height: 1.6;
    margin: var(--ca-space-md) 0;
}

    .ca-optional-tip strong {
        color: var(--ca-info);
        font-weight: 700;
    }

.ca-permission-notice {
    background: var(--ca-warning-light);
    border: 2px solid var(--ca-orange);
    border-radius: var(--ca-radius-lg);
    padding: var(--ca-space-md);
    margin-bottom: var(--ca-space-lg);
    color: var(--ca-gray-800);
    font-size: 14px;
    display: none;
}

.ca-hidden {
    display: none !important;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 768px) {
    .ca-admin-container {
        padding: var(--ca-space-md);
    }

    .ca-admin-header {
        padding: var(--ca-space-lg);
    }

        .ca-admin-header h1 {
            font-size: 22px;
        }

    .ca-panel-header {
        flex-direction: column;
        align-items: stretch;
    }

     .ca-search-container {
        grid-template-columns: 1fr;
    }

    .ca-table-container {
        overflow-x: auto;
    }

    .ca-data-table {
        min-width: 800px;
    }

    .ca-popup-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }

    .ca-form-grid,
    .ca-form-grid.ca-grid-2,
    .ca-form-grid.ca-grid-3 {
        grid-template-columns: 1fr;
    }

    .ca-error-toast {
        width: calc(100vw - 32px);
        right: var(--ca-space-md);
        top: var(--ca-space-md);
    }

    .ca-delete-confirm-footer {
        flex-direction: column-reverse;
    }
}

@media (max-width: 480px) {
    .ca-icon-btn {
        width: 32px;
        height: 32px;
    }

    .ca-data-table tbody td {
        padding: var(--ca-space-sm);
        font-size: 13px;
    }

    .ca-evaluation-score {
        font-size: 36px;
        padding: var(--ca-space-lg);
    }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */
@media print {
    .ca-admin-header,
    .ca-panel-header,
    .ca-search-container,
    .ca-action-buttons,
    .ca-icon-btn,
    .ca-modern-button,
    .ca-popup-overlay,
    .ca-spinner-overlay,
    .ca-error-toast {
        display: none !important;
    }

    .ca-admin-container {
        background: white;
    }

    .ca-data-table {
        border: 1px solid black;
    }

        .ca-data-table thead th,
        .ca-data-table tbody td {
            border: 1px solid black;
        }
}

/* =====================================================
   ACCESSIBILITY
   ===================================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

*:focus-visible {
    outline: 3px solid var(--ca-primary-green);
    outline-offset: 2px;
}

@media (prefers-contrast: high) {
    .ca-admin-container {
        border: 2px solid currentColor;
    }

    .ca-modern-button,
    .ca-icon-btn,
    .ca-form-control {
        border-width: 3px;
    }
}

gap: var(--ca-space-md);
align-items: end;
}

.ca-search-input {
    width: 100%;
    height: 44px;
    padding: 0 var(--ca-space-md);
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--ca-transition-base);
    background: white;
    color: var(--ca-gray-900);
}

    .ca-search-input:focus {
        outline: none;
        border-color: var(--ca-primary-green);
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.1);
    }

    .ca-search-input::placeholder {
        color: var(--ca-gray-400);
    }

/* =====================================================
   BUTTONS - MODERN DESIGN
   ===================================================== */
.ca-modern-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ca-space-sm);
    height: 44px;
    padding: 0 var(--ca-space-lg);
    border: none;
    border-radius: var(--ca-radius-md);
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--ca-transition-base);
    white-space: nowrap;
    background: var(--ca-primary-green);
    color: white;
    box-shadow: var(--ca-shadow-sm);
}

    .ca-modern-button:hover:not(:disabled) {
        background: var(--ca-primary-green-hover);
        box-shadow: var(--ca-shadow-md);
        transform: translateY(-1px);
    }

    .ca-modern-button:active:not(:disabled) {
        transform: translateY(0);
        box-shadow: var(--ca-shadow-sm);
    }

    .ca-modern-button:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    .ca-modern-button.ca-secondary {
        background: white;
        color: var(--ca-gray-700);
        border: 2px solid var(--ca-gray-300);
    }

        .ca-modern-button.ca-secondary:hover:not(:disabled) {
            background: var(--ca-gray-50);
            border-color: var(--ca-gray-400);
        }

    .ca-modern-button.ca-danger {
        background: var(--ca-danger);
        color: white;
    }

        .ca-modern-button.ca-danger:hover:not(:disabled) {
            background: #B91C1C;
        }

/* =====================================================
   ACTION BUTTONS
   ===================================================== */
.ca-action-buttons {
    display: flex;
    gap: var(--ca-space-sm);
    align-items: center;
    flex-wrap: wrap;
}

.ca-actions-cell {
    padding: var(--ca-space-sm);
}

    .ca-actions-cell .ca-action-buttons {
        display: flex;
        gap: 6px;
        align-items: center;
        justify-content: flex-start;
        flex-wrap: nowrap;
    }

/* =====================================================
   ICON BUTTONS
   ===================================================== */
.ca-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--ca-radius-md);
    background: var(--ca-gray-100);
    color: var(--ca-gray-700);
    cursor: pointer;
    transition: all var(--ca-transition-base);
    flex-shrink: 0;
}

    .ca-icon-btn:hover:not(:disabled) {
        background: var(--ca-gray-200);
        transform: translateY(-2px);
        box-shadow: var(--ca-shadow-sm);
    }

    .ca-icon-btn:active:not(:disabled) {
        transform: translateY(0);
    }

    .ca-icon-btn:disabled {
        opacity: 0.4;
        cursor: not-allowed;
    }

    .ca-icon-btn.ca-edit-btn {
        background: var(--ca-blue-light);
        color: var(--ca-blue);
        border-color: var(--ca-blue);
    }

        .ca-icon-btn.ca-edit-btn:hover:not(:disabled) {
            background: var(--ca-blue);
            color: white;
        }

    .ca-icon-btn.ca-add-btn {
        background: var(--ca-success-light);
        color: var(--ca-primary-green);
        border-color: var(--ca-primary-green);
    }

        .ca-icon-btn.ca-add-btn:hover:not(:disabled) {
            background: var(--ca-primary-green);
            color: white;
        }

    .ca-icon-btn.ca-delete-btn {
        background: var(--ca-danger-light);
        color: var(--ca-danger);
        border-color: var(--ca-danger);
    }

        .ca-icon-btn.ca-delete-btn:hover:not(:disabled) {
            background: var(--ca-danger);
            color: white;
        }

    .ca-icon-btn.ca-test-btn {
        background: var(--ca-warning-light);
        color: var(--ca-orange);
        border-color: var(--ca-orange);
    }

        .ca-icon-btn.ca-test-btn:hover:not(:disabled) {
            background: var(--ca-orange);
            color: white;
        }

    .ca-icon-btn.ca-review-btn {
        background: #f3e5f5;
        color: #9c27b0;
        border-color: #9c27b0;
    }

        .ca-icon-btn.ca-review-btn:hover:not(:disabled) {
            background: #9c27b0;
            color: white;
        }

/* =====================================================
   DATA TABLE - MODERN RESPONSIVE DESIGN
   ===================================================== */
.ca-table-container {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
}

.ca-data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
}

    .ca-data-table thead {
        background: var(--ca-gray-50);
        position: sticky;
        top: 0;
        z-index: 10;
    }

        .ca-data-table thead th {
            padding: var(--ca-space-md);
            text-align: left;
            font-weight: 600;
            color: var(--ca-gray-700);
            border-bottom: 2px solid var(--ca-gray-300);
            white-space: nowrap;
            background: var(--ca-gray-50);
        }

    .ca-data-table tbody tr {
        transition: all var(--ca-transition-fast);
        border-bottom: 1px solid var(--ca-gray-200);
    }

        .ca-data-table tbody tr:hover {
            background: var(--ca-gray-50);
        }

    .ca-data-table tbody td {
        padding: var(--ca-space-md);
        vertical-align: middle;
    }

    .ca-data-table tbody tr.ca-header-row {
        font-weight: 500;
    }
        /* Zebra striping for main headers */
        .ca-data-table tbody tr.ca-header-row:nth-child(odd) {
            background: #f9fafb;
        }

        .ca-data-table tbody tr.ca-header-row:nth-child(even) {
            background: #ffffff;
        }

    /* Keep sub-lessons white */
    .ca-data-table tbody tr.ca-sub-row {
        background: #ffffff;
    }

    /* Hover effect */
    .ca-data-table tbody tr.ca-module-row:hover {
        background: #e0f2fe !important;
    }
    .ca-data-table tbody tr.ca-sub-lesson {
        background: var(--ca-gray-50);
    }

    .ca-data-table tbody tr.ca-inactive {
        opacity: 0.6;
    }

    .ca-data-table tbody tr.ca-coming-soon td {
        color: var(--ca-gray-500);
        font-style: italic;
    }

/* Sub-lesson Indentation */
.ca-sub-lesson-indent {
    padding-left: calc(var(--ca-space-md) + 24px) !important;
    position: relative;
}

    .ca-sub-lesson-indent::before {
        content: '↳';
        position: absolute;
        left: var(--ca-space-md);
        color: var(--ca-gray-400);
        font-size: 16px;
    }

/* Expand/Collapse Button */
.ca-expand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-sm);
    background: white;
    color: var(--ca-gray-600);
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--ca-transition-base);
    margin-right: var(--ca-space-sm);
}

    .ca-expand-btn:hover {
        background: var(--ca-primary-green);
        color: white;
        border-color: var(--ca-primary-green);
        transform: scale(1.1);
    }

/* Badges */
.ca-inactive-badge {
    display: inline-block;
    padding: 2px 8px;
    margin-left: var(--ca-space-sm);
    background: var(--ca-danger-light);
    color: var(--ca-danger);
    border-radius: var(--ca-radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ca-owner-badge,
.ca-dept-badge {
    display: inline-block;
    padding: 4px 10px;
    background: var(--ca-blue-light);
    color: var(--ca-blue);
    border-radius: var(--ca-radius-full);
    font-size: 12px;
    font-weight: 500;
    margin-right: var(--ca-space-xs);
}

.ca-dept-count {
    font-weight: 700;
}

/* =====================================================
   MODAL/POPUP SYSTEM
   ===================================================== */
.ca-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--ca-z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--ca-transition-base);
    padding: var(--ca-space-lg);
    overflow-y: auto;
}

    .ca-popup-overlay.ca-show {
        display: flex !important;
        opacity: 1;
    }

.ca-popup-content {
    background: white;
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-xl);
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    transform: scale(0.9);
    transition: transform var(--ca-transition-base);
    overflow: hidden;
    position: relative;
    z-index: var(--ca-z-modal);
}

.ca-popup-overlay.ca-show .ca-popup-content {
    transform: scale(1);
}

.ca-popup-header {
    padding: var(--ca-space-lg);
    border-bottom: 2px solid var(--ca-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--ca-gray-50);
    flex-shrink: 0;
}

    .ca-popup-header h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--ca-gray-900);
        margin: 0;
    }

.ca-popup-close {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--ca-radius-md);
    background: white;
    color: var(--ca-gray-600);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ca-transition-base);
    flex-shrink: 0;
}

    .ca-popup-close:hover {
        background: var(--ca-danger-light);
        color: var(--ca-danger);
    }

.ca-popup-body {
    padding: var(--ca-space-lg);
    overflow-y: auto;
    flex: 1;
}

.ca-popup-footer {
    padding: var(--ca-space-lg);
    border-top: 2px solid var(--ca-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--ca-space-md);
    background: var(--ca-gray-50);
    flex-shrink: 0;
}

/* =====================================================
   FORM ELEMENTS
   ===================================================== */
.ca-form-section {
    margin-bottom: var(--ca-space-xl);
}

.ca-form-section-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--ca-gray-900);
    margin-bottom: var(--ca-space-md);
    padding-bottom: var(--ca-space-sm);
    border-bottom: 2px solid var(--ca-primary-green);
    display: block;
}

.ca-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ca-space-md);
}

    .ca-form-grid.ca-grid-2 {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }

    .ca-form-grid.ca-grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

.ca-form-field {
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-sm);
}

.ca-form-field-full {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-sm);
}

.ca-form-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--ca-gray-700);
    display: flex;
    align-items: center;
    gap: var(--ca-space-xs);
}

.ca-form-control {
    width: 100%;
    min-height: 44px;
    padding: 0 var(--ca-space-md);
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: all var(--ca-transition-base);
    background: white;
    color: var(--ca-gray-900);
}

    .ca-form-control:focus {
        outline: none;
        border-color: var(--ca-primary-green);
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.1);
    }

    .ca-form-control:disabled,
    .ca-form-control.ca-disabled {
        background: var(--ca-gray-100);
        color: var(--ca-gray-500);
        cursor: not-allowed;
        opacity: 0.7;
    }

    .ca-form-control::placeholder {
        color: var(--ca-gray-400);
    }

textarea.ca-form-control {
    min-height: 120px;
    padding: var(--ca-space-md);
    resize: vertical;
}

select.ca-form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--ca-space-md) center;
    padding-right: calc(var(--ca-space-md) * 3);
}

input[type="checkbox"].ca-form-control {
    width: 20px;
    height: 20px;
    min-height: 20px;
    cursor: pointer;
    accent-color: var(--ca-primary-green);
}

/* =====================================================
   WYSIWYG EDITOR
   ===================================================== */
.ca-simple-toolbar {
    display: flex;
    gap: var(--ca-space-xs);
    padding: var(--ca-space-sm);
    background: var(--ca-gray-100);
    border: 2px solid var(--ca-gray-300);
    border-bottom: none;
    border-radius: var(--ca-radius-md) var(--ca-radius-md) 0 0;
}

    .ca-simple-toolbar button {
        width: 32px;
        height: 32px;
        border: none;
        border-radius: var(--ca-radius-sm);
        background: white;
        color: var(--ca-gray-700);
        font-weight: 600;
        cursor: pointer;
        transition: all var(--ca-transition-base);
        display: flex;
        align-items: center;
        justify-content: center;
    }

        .ca-simple-toolbar button:hover {
            background: var(--ca-primary-green);
            color: white;
        }

.ca-wysiwyg-editor {
    min-height: 200px;
    padding: var(--ca-space-md);
    border: 2px solid var(--ca-gray-300);
    border-radius: 0 0 var(--ca-radius-md) var(--ca-radius-md);
    background: white;
    font-size: 14px;
    line-height: 1.6;
    overflow-y: auto;
    transition: all var(--ca-transition-base);
}

    .ca-wysiwyg-editor:focus {
        outline: none;
        border-color: var(--ca-primary-green);
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.1);
    }

    .ca-wysiwyg-editor:empty::before {
        content: attr(placeholder);
        color: var(--ca-gray-400);
    }

/* =====================================================
   ICON PICKER
   ===================================================== */
.ca-icon-picker-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: calc(var(--ca-z-modal) + 10);
    padding: var(--ca-space-lg);
}

    .ca-icon-picker-overlay.ca-show {
        display: flex !important;
    }

.ca-icon-picker-content {
    background: white;
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-xl);
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ca-icon-picker-header {
    padding: var(--ca-space-lg);
    border-bottom: 2px solid var(--ca-gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--ca-gray-50);
}

.ca-icon-picker-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ca-gray-900);
}

.ca-icon-picker-close {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--ca-radius-md);
    background: white;
    color: var(--ca-gray-600);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-icon-picker-close:hover {
        background: var(--ca-danger-light);
        color: var(--ca-danger);
    }

.ca-icon-search {
    width: calc(100% - var(--ca-space-lg) * 2);
    height: 44px;
    padding: 0 var(--ca-space-md);
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-md);
    font-size: 14px;
    margin: var(--ca-space-md);
    font-family: inherit;
}

    .ca-icon-search:focus {
        outline: none;
        border-color: var(--ca-primary-green);
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.1);
    }

.ca-icon-categories {
    display: flex;
    gap: var(--ca-space-xs);
    padding: 0 var(--ca-space-md) var(--ca-space-md);
    flex-wrap: wrap;
}

.ca-category-btn {
    padding: var(--ca-space-sm) var(--ca-space-md);
    border: 2px solid var(--ca-gray-300);
    border-radius: var(--ca-radius-full);
    background: white;
    color: var(--ca-gray-700);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ca-transition-base);
}

    .ca-category-btn:hover,
    .ca-category-btn.ca-active {
        background: var(--ca-primary-green);
        color: white;
        border-color: var(--ca-primary-green);
    }

/* Search and Filter Controls */
.ca-search-container {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.ca-search-input {
    flex: 1;
    min-width: 200px;
    padding: 10px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s ease;
    background: #ffffff;
    color: #1e293b;
}

    .ca-search-input:focus {
        outline: none;
        border-color: #10964D;
        box-shadow: 0 0 0 3px rgba(16, 150, 77, 0.1);
    }

    .ca-search-input::placeholder {
        color: #94a3b8;
    }

/* Search icon styling for the textbox */
.ca-search-container .ca-search-input[type="text"] {
    padding-left: 40px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%2394a3b8" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"></circle><path d="m21 21-4.35-4.35"></path></svg>');
    background-repeat: no-repeat;
    background-position: 12px center;
    background-size: 18px;
}

/* Dropdown styling */
.ca-search-container select.ca-search-input {
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%2364748b" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="6 9 12 15 18 9"></polyline></svg>');
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
}

    .ca-search-container select.ca-search-input:hover {
        border-color: #cbd5e1;
    }

/* Button styling to match existing buttons */
.ca-search-container .ca-modern-button {
    padding: 10px 20px;
    white-space: nowrap;
}

    .ca-search-container .ca-modern-button.ca-secondary {
        background: #ffffff;
        color: #475569;
        border: 1px solid #e2e8f0;
    }

        .ca-search-container .ca-modern-button.ca-secondary:hover {
            background: #f8fafc;
            border-color: #cbd5e1;
        }

/* Responsive adjustments */
@media (max-width: 768px) {
    .ca-search-container {
        flex-direction: column;
    }

    .ca-search-input {
        width: 100%;
        min-width: unset;
    }

    .ca-search-container .ca-modern-button {
        width: 100%;
    }
}
/* Action Buttons Spacing - Without Gap */
.ca-action-buttons {
    display: flex;
    align-items: center;
}

    .ca-action-buttons .ca-icon-btn {
        margin-right: 8px;
    }

        .ca-action-buttons .ca-icon-btn:last-child {
            margin-right: 0; /* Remove margin from last button */
        }

/* If buttons are in the table cells */
.ca-actions-cell .ca-action-buttons {
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.ca-actions-cell .ca-icon-btn {
    margin-right: 8px;
}

    .ca-actions-cell .ca-icon-btn:last-child {
        margin-right: 0;
    }
/* Main course headers - white background */
.ca-data-table tr[data-sub-heading="0"] {
    background: #ffffff;
    font-weight: 600;
}

/* Sub-lessons - subtle gray background */
.ca-data-table tr[data-sub-heading]:not([data-sub-heading="0"]) {
    background: #f8fafc;
}

/* Hover states */
.ca-data-table tr[data-sub-heading="0"]:hover {
    background: #f1f5f9;
}

/* Main course headers - white background with green accent */
.ca-data-table .ca-header-row {
    font-weight: 600;
    border-left: 4px solid #10964D;
}

/* Sub-lessons - subtle gray background */
.ca-data-table .ca-module-row:not(.ca-header-row) {
    background: #f8fafc !important;
    border-left: 4px solid transparent;
}

/* Hover states */
.ca-data-table .ca-header-row:hover {
    background: #f1f5f9 !important;
}

.ca-data-table .ca-module-row:not(.ca-header-row):hover {
    background: #e2e8f0 !important;
}

/* Inactive courses - lighter appearance */
.ca-data-table .ca-inactive-row {
    opacity: 0.6;
}

    .ca-data-table .ca-inactive-row:hover {
        opacity: 0.8;
    }

.alt-row {
    background-color: #f9f9f9;
}

/* ===== DISCHEM COURSE ADMINISTRATION STYLES ===== */

/* ===== COLOR VARIABLES ===== */
:root {
    /* Dischem Brand Colors */
    --ca-dischem-green: #00B04F;
    --ca-dischem-dark-green: #009640;
    --ca-dischem-light-green: #E8F5E8;
    --ca-dischem-blue: #0066CC;
    --ca-dischem-dark-blue: #004499;
    --ca-dischem-light-blue: #E6F2FF;
    --ca-dischem-orange: #FF6600;
    --ca-dischem-red: #CC0000;
    --ca-dischem-gray: #666666;
    --ca-dischem-light-gray: #F5F5F5;
    --ca-dischem-white: #FFFFFF;
    --ca-dischem-black: #333333;
    /* UI System Colors */
    --ca-primary: var(--ca-dischem-green);
    --ca-primary-hover: var(--ca-dischem-dark-green);
    --ca-primary-light: var(--ca-dischem-light-green);
    --ca-secondary: var(--ca-dischem-blue);
    --ca-secondary-hover: var(--ca-dischem-dark-blue);
    --ca-secondary-light: var(--ca-dischem-light-blue);
    --ca-accent: var(--ca-dischem-orange);
    --ca-danger: var(--ca-dischem-red);
    --ca-warning: #FFA500;
    --ca-success: var(--ca-dischem-green);
    /* Neutral Colors */
    --ca-text-primary: var(--ca-dischem-black);
    --ca-text-secondary: var(--ca-dischem-gray);
    --ca-text-muted: #999999;
    --ca-bg-primary: var(--ca-dischem-white);
    --ca-bg-secondary: var(--ca-dischem-light-gray);
    --ca-bg-hover: #F8FAFC;
    --ca-border: #E0E6ED;
    --ca-border-light: #F0F4F8;
    /* Shadows */
    --ca-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --ca-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
    --ca-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
    --ca-shadow-xl: 0 16px 40px rgba(0, 0, 0, 0.2);
    /* Transitions */
    --ca-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ca-transition-fast: all 0.15s ease-out;
    /* Spacing */
    --ca-space-xs: 4px;
    --ca-space-sm: 8px;
    --ca-space-md: 16px;
    --ca-space-lg: 24px;
    --ca-space-xl: 32px;
    --ca-space-2xl: 48px;
    /* Border Radius */
    --ca-radius-sm: 4px;
    --ca-radius: 8px;
    --ca-radius-lg: 12px;
    --ca-radius-xl: 16px;
    --ca-radius-full: 50%;
}

/* ===== RESET & BASE ===== */
.ca-container * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.ca-container {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--ca-text-primary);
    background: linear-gradient(135deg, var(--ca-primary-light) 0%, var(--ca-secondary-light) 100%);
    min-height: 100vh;
    padding: var(--ca-space-lg);
}

/* ===== HEADER SECTION ===== */
.ca-header {
    background: var(--ca-bg-primary);
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-md);
    margin-bottom: var(--ca-space-xl);
    overflow: hidden;
}

.ca-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ca-space-xl);
    background: linear-gradient(135deg, var(--ca-primary) 0%, var(--ca-secondary) 100%);
    color: var(--ca-bg-primary);
}

.ca-header-left {
    flex: 1;
}

.ca-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: var(--ca-space-sm);
    background: linear-gradient(45deg, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ca-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    font-weight: 400;
}

.ca-header-actions {
    display: flex;
    gap: var(--ca-space-md);
}

/* ===== FILTERS SECTION ===== */
.ca-filters-section {
    background: var(--ca-bg-primary);
    border-radius: var(--ca-radius-lg);
    box-shadow: var(--ca-shadow-sm);
    margin-bottom: var(--ca-space-xl);
    padding: var(--ca-space-lg);
}

.ca-filters-content {
    display: grid;
    grid-template-columns: 2fr 3fr 1fr;
    gap: var(--ca-space-lg);
    align-items: end;
}

.ca-search-group {
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-sm);
}

.ca-search-wrapper {
    position: relative;
}

.ca-search-input {
    width: 100%;
    padding: var(--ca-space-md) var(--ca-space-md) var(--ca-space-md) 48px;
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    font-size: 1rem;
    transition: var(--ca-transition);
    background: var(--ca-bg-primary);
}

    .ca-search-input:focus {
        outline: none;
        border-color: var(--ca-primary);
        box-shadow: 0 0 0 3px rgba(0, 176, 79, 0.1);
    }

.ca-search-icon {
    position: absolute;
    left: var(--ca-space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--ca-text-muted);
    pointer-events: none;
}

.ca-filter-group {
    display: flex;
    gap: var(--ca-space-md);
}

.ca-action-group {
    display: flex;
    gap: var(--ca-space-sm);
}

/* ===== BUTTONS ===== */
.ca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--ca-space-sm);
    padding: var(--ca-space-md) var(--ca-space-lg);
    border: none;
    border-radius: var(--ca-radius);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--ca-transition);
    white-space: nowrap;
    user-select: none;
}

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

    .ca-btn-primary:hover {
        background: var(--ca-primary-hover);
        transform: translateY(-1px);
        box-shadow: var(--ca-shadow-md);
    }

.ca-btn-secondary {
    background: var(--ca-secondary);
    color: var(--ca-bg-primary);
}

    .ca-btn-secondary:hover {
        background: var(--ca-secondary-hover);
        transform: translateY(-1px);
        box-shadow: var(--ca-shadow-md);
    }

.ca-btn-outline {
    background: transparent;
    color: var(--ca-primary);
    border: 2px solid var(--ca-primary);
}

    .ca-btn-outline:hover {
        background: var(--ca-primary);
        color: var(--ca-bg-primary);
    }

.ca-btn-ghost {
    background: transparent;
    color: var(--ca-text-secondary);
    border: 2px solid transparent;
}

    .ca-btn-ghost:hover {
        background: var(--ca-bg-hover);
        color: var(--ca-text-primary);
    }

.ca-btn-icon::before {
    content: '✨';
    font-size: 1rem;
}

/* ===== SELECT INPUTS ===== */
.ca-select {
    padding: var(--ca-space-md);
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    background: var(--ca-bg-primary);
    font-size: 0.875rem;
    color: var(--ca-text-primary);
    cursor: pointer;
    transition: var(--ca-transition);
    min-width: 150px;
}

    .ca-select:focus {
        outline: none;
        border-color: var(--ca-primary);
        box-shadow: 0 0 0 3px rgba(0, 176, 79, 0.1);
    }

/* ===== COURSE TREE ===== */
.ca-content-section {
    background: var(--ca-bg-primary);
    border-radius: var(--ca-radius-lg);
    box-shadow: var(--ca-shadow-md);
    overflow: hidden;
}

.ca-course-tree {
    padding: var(--ca-space-lg);
}

.ca-course-item {
    border: 1px solid var(--ca-border-light);
    border-radius: var(--ca-radius-lg);
    margin-bottom: var(--ca-space-md);
    overflow: hidden;
    transition: var(--ca-transition);
    background: var(--ca-bg-primary);
}

    .ca-course-item:hover {
        box-shadow: var(--ca-shadow-md);
        transform: translateY(-2px);
    }

    .ca-course-item.ca-active {
        border-color: var(--ca-primary);
        box-shadow: 0 0 0 2px rgba(0, 176, 79, 0.1);
    }

    .ca-course-item.ca-inactive {
        opacity: 0.7;
        background: var(--ca-bg-secondary);
    }

    .ca-course-item.ca-draft {
        border-left: 4px solid var(--ca-warning);
    }

.ca-course-header {
    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: var(--ca-space-md);
    padding: var(--ca-space-lg);
    cursor: pointer;
    transition: var(--ca-transition-fast);
}

    .ca-course-header:hover {
        background: var(--ca-bg-hover);
    }

.ca-course-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--ca-primary-light) 0%, var(--ca-secondary-light) 100%);
    border-radius: var(--ca-radius);
    font-size: 1.5rem;
}

.ca-icon {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.ca-course-info {
    flex: 1;
    min-width: 0;
}

.ca-course-title {
    display: flex;
    align-items: center;
    gap: var(--ca-space-md);
    margin-bottom: var(--ca-space-xs);
}

    .ca-course-title h3 {
        font-size: 1.25rem;
        font-weight: 600;
        color: var(--ca-text-primary);
        margin: 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

.ca-course-code {
    display: inline-flex;
    align-items: center;
    padding: var(--ca-space-xs) var(--ca-space-sm);
    background: var(--ca-primary-light);
    color: var(--ca-primary);
    border-radius: var(--ca-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ca-course-meta {
    display: flex;
    align-items: center;
    gap: var(--ca-space-lg);
    font-size: 0.875rem;
    color: var(--ca-text-secondary);
}

.ca-meta-item {
    display: flex;
    align-items: center;
    gap: var(--ca-space-xs);
}

    .ca-meta-item svg {
        flex-shrink: 0;
        opacity: 0.7;
    }

.ca-course-actions {
    display: flex;
    align-items: center;
    gap: var(--ca-space-sm);
    opacity: 0;
    transition: var(--ca-transition);
}

.ca-course-item:hover .ca-course-actions {
    opacity: 1;
}

.ca-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--ca-radius);
    background: var(--ca-bg-hover);
    color: var(--ca-text-secondary);
    cursor: pointer;
    transition: var(--ca-transition-fast);
}

    .ca-action-btn:hover {
        background: var(--ca-primary);
        color: var(--ca-bg-primary);
        transform: scale(1.05);
    }

    .ca-action-btn.ca-danger:hover {
        background: var(--ca-danger);
    }

.ca-expand-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--ca-radius-full);
    background: var(--ca-bg-hover);
    transition: var(--ca-transition);
}

.ca-chevron {
    transition: var(--ca-transition);
}

.ca-course-item.ca-expanded .ca-chevron {
    transform: rotate(180deg);
}

.ca-sub-lessons {
    border-top: 1px solid var(--ca-border-light);
    background: var(--ca-bg-secondary);
    padding: var(--ca-space-md);
}

.ca-sub-lesson {
    display: flex;
    align-items: center;
    gap: var(--ca-space-md);
    padding: var(--ca-space-md);
    border-radius: var(--ca-radius);
    background: var(--ca-bg-primary);
    margin-bottom: var(--ca-space-sm);
    transition: var(--ca-transition-fast);
}

    .ca-sub-lesson:hover {
        box-shadow: var(--ca-shadow-sm);
        transform: translateX(4px);
    }

    .ca-sub-lesson:last-child {
        margin-bottom: 0;
    }

.ca-sub-lesson-indicator {
    width: 4px;
    height: 24px;
    background: var(--ca-primary);
    border-radius: var(--ca-radius-sm);
}

.ca-sub-lesson-content {
    flex: 1;
}

.ca-sub-lesson-title {
    font-weight: 600;
    color: var(--ca-text-primary);
    margin-bottom: var(--ca-space-xs);
}

.ca-sub-lesson-meta {
    font-size: 0.875rem;
    color: var(--ca-text-secondary);
}

/* ===== MODAL STYLES ===== */
.ca-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--ca-transition);
}

    .ca-modal-overlay.ca-active {
        opacity: 1;
        visibility: visible;
    }

.ca-modal-container {
    background: var(--ca-bg-primary);
    border-radius: var(--ca-radius-xl);
    box-shadow: var(--ca-shadow-xl);
    width: 90vw;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: var(--ca-transition);
}

.ca-modal-overlay.ca-active .ca-modal-container {
    transform: scale(1) translateY(0);
}

.ca-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ca-space-xl);
    background: linear-gradient(135deg, var(--ca-primary) 0%, var(--ca-secondary) 100%);
    color: var(--ca-bg-primary);
}

    .ca-modal-header h2 {
        font-size: 1.5rem;
        font-weight: 600;
        margin: 0;
    }

.ca-modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--ca-radius-full);
    background: rgba(255, 255, 255, 0.2);
    color: var(--ca-bg-primary);
    cursor: pointer;
    transition: var(--ca-transition-fast);
}

    .ca-modal-close:hover {
        background: rgba(255, 255, 255, 0.3);
        transform: scale(1.05);
    }

.ca-modal-content {
    padding: var(--ca-space-xl);
    max-height: 60vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--ca-border) transparent;
}

    .ca-modal-content::-webkit-scrollbar {
        width: 6px;
    }

    .ca-modal-content::-webkit-scrollbar-track {
        background: transparent;
    }

    .ca-modal-content::-webkit-scrollbar-thumb {
        background: var(--ca-border);
        border-radius: var(--ca-radius-sm);
    }

.ca-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--ca-space-md);
    padding: var(--ca-space-xl);
    border-top: 1px solid var(--ca-border-light);
    background: var(--ca-bg-secondary);
}

/* ===== FORM STYLES ===== */
.ca-form {
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-xl);
}

.ca-form-section {
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-lg);
}

.ca-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ca-text-primary);
    margin: 0;
    padding-bottom: var(--ca-space-sm);
    border-bottom: 2px solid var(--ca-primary-light);
}

.ca-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--ca-space-lg);
}

.ca-form-field {
    display: flex;
    flex-direction: column;
    gap: var(--ca-space-sm);
}

.ca-form-field-full {
    grid-column: 1 / -1;
}

.ca-label {
    font-weight: 600;
    color: var(--ca-text-primary);
    font-size: 0.875rem;
}

.ca-input,
.ca-textarea {
    padding: var(--ca-space-md);
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    font-size: 1rem;
    color: var(--ca-text-primary);
    background: var(--ca-bg-primary);
    transition: var(--ca-transition);
}

    .ca-input:focus,
    .ca-textarea:focus {
        outline: none;
        border-color: var(--ca-primary);
        box-shadow: 0 0 0 3px rgba(0, 176, 79, 0.1);
    }

.ca-textarea {
    resize: vertical;
    min-height: 100px;
}

.ca-error {
    color: var(--ca-danger);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ===== QUILL EDITOR ===== */
.ca-quill-editor {
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    background: var(--ca-bg-primary);
    transition: var(--ca-transition);
}

    .ca-quill-editor.ql-focused {
        border-color: var(--ca-primary);
        box-shadow: 0 0 0 3px rgba(0, 176, 79, 0.1);
    }

    .ca-quill-editor .ql-toolbar {
        border-top: none;
        border-left: none;
        border-right: none;
        border-bottom: 1px solid var(--ca-border);
        background: var(--ca-bg-secondary);
    }

    .ca-quill-editor .ql-container {
        border: none;
        min-height: 150px;
    }

    .ca-quill-editor .ql-editor {
        font-size: 1rem;
        line-height: 1.6;
    }

/* ===== ICON SELECTOR ===== */
.ca-icon-selector {
    display: flex;
    align-items: center;
    gap: var(--ca-space-sm);
}

.ca-icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    background: var(--ca-bg-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--ca-transition);
}

    .ca-icon-button:hover {
        border-color: var(--ca-primary);
        background: var(--ca-primary-light);
    }

/* ===== MULTI SELECT ===== */
.ca-multi-select {
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius);
    background: var(--ca-bg-primary);
    min-height: 120px;
    max-height: 200px;
    overflow-y: auto;
    padding: var(--ca-space-sm);
}

.ca-multi-select-item {
    display: flex;
    align-items: center;
    gap: var(--ca-space-sm);
    padding: var(--ca-space-sm);
    border-radius: var(--ca-radius-sm);
    cursor: pointer;
    transition: var(--ca-transition-fast);
}

    .ca-multi-select-item:hover {
        background: var(--ca-bg-hover);
    }

    .ca-multi-select-item.ca-selected {
        background: var(--ca-primary-light);
        color: var(--ca-primary);
    }

.ca-multi-select-checkbox {
    width: 16px;
    height: 16px;
    border: 2px solid var(--ca-border);
    border-radius: var(--ca-radius-sm);
    transition: var(--ca-transition-fast);
}

.ca-multi-select-item.ca-selected .ca-multi-select-checkbox {
    background: var(--ca-primary);
    border-color: var(--ca-primary);
}

/* ===== LOADING STATES ===== */
.ca-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--ca-space-2xl);
    color: var(--ca-text-secondary);
}

.ca-loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--ca-border);
    border-top: 4px solid var(--ca-primary);
    border-radius: var(--ca-radius-full);
    animation: ca-spin 1s linear infinite;
    margin-bottom: var(--ca-space-lg);
}

@keyframes ca-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* ===== EMPTY STATE ===== */
.ca-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--ca-space-2xl);
    text-align: center;
    color: var(--ca-text-secondary);
}

.ca-empty-icon {
    margin-bottom: var(--ca-space-lg);
    opacity: 0.5;
}

.ca-empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--ca-space-sm);
    color: var(--ca-text-primary);
}

.ca-empty-state p {
    margin-bottom: var(--ca-space-lg);
    font-size: 1rem;
}

/* ===== TOAST NOTIFICATIONS ===== */
.ca-toast {
    position: fixed;
    top: var(--ca-space-lg);
    right: var(--ca-space-lg);
    background: var(--ca-success);
    color: var(--ca-bg-primary);
    padding: var(--ca-space-lg);
    border-radius: var(--ca-radius-lg);
    box-shadow: var(--ca-shadow-lg);
    z-index: 1100;
    transform: translateX(100%);
    transition: var(--ca-transition);
}

    .ca-toast.ca-show {
        transform: translateX(0);
    }

.ca-toast-error {
    background: var(--ca-danger);
}

.ca-toast-content {
    display: flex;
    align-items: center;
    gap: var(--ca-space-md);
    font-weight: 500;
}

/* ===== STATUS BADGES ===== */
.ca-status-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--ca-space-xs) var(--ca-space-sm);
    border-radius: var(--ca-radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.ca-status-active {
    background: var(--ca-primary-light);
    color: var(--ca-primary);
}

.ca-status-inactive {
    background: var(--ca-text-muted);
    color: var(--ca-bg-primary);
}

.ca-status-draft {
    background: rgba(255, 165, 0, 0.1);
    color: var(--ca-warning);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .ca-container {
        padding: var(--ca-space-md);
    }

    .ca-header-content {
        flex-direction: column;
        gap: var(--ca-space-lg);
        text-align: center;
    }

    .ca-filters-content {
        grid-template-columns: 1fr;
        gap: var(--ca-space-md);
    }

    .ca-course-header {
        grid-template-columns: auto 1fr auto;
        gap: var(--ca-space-sm);
    }

    .ca-course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--ca-space-sm);
    }

    .ca-modal-container {
        width: 95vw;
        margin: var(--ca-space-md);
    }

    .ca-form-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ca-title {
        font-size: 1.75rem;
    }

    .ca-subtitle {
        font-size: 1rem;
    }

    .ca-header-actions {
        flex-direction: column;
        width: 100%;
    }

    .ca-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

.ca-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== PRINT STYLES ===== */
@media print {
    .ca-header-actions,
    .ca-filters-section,
    .ca-course-actions,
    .ca-modal-overlay {
        display: none !important;
    }

    .ca-container {
        background: none;
        padding: 0;
    }

    .ca-course-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}