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

:root {
    /* Brand Colors */
    --primary-color: #C8102E;
    --dark-blue: #2C3E50;
    --header-bg: #34495E;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --border-color: #E0E0E0;
    --background-light: #F8F9FA;
    --white: #FFFFFF;
    --success: #27AE60;
    --warning: #F39C12;
    --danger: #E74C3C;
    --info: #3498DB;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-primary);
    background-color: var(--background-light);
    line-height: 1.6;
}

/* Header */
.header {
    background-color: var(--header-bg);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.mh-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mh-mc {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
}

.mh-graw {
    color: var(--white);
    font-weight: 400;
}

.mh-hill {
    color: var(--white);
    font-weight: 700;
}

.header-nav {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 80px);
}

.section {
    display: none;
    padding: var(--spacing-xl) var(--spacing-md);
    animation: fadeIn 0.3s ease-in;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.processing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--info);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-xs);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    font-family: inherit;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: #A00D25;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: #6C7A7B;
}

.btn-text {
    background: transparent;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
}

.btn-text:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

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

.btn-danger-outline:hover:not(:disabled) {
    background-color: var(--danger);
    color: var(--white);
    transform: translateY(-1px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Info Box */
.info-box {
    background-color: #E3F2FD;
    border-left: 4px solid var(--info);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.info-box i {
    color: var(--info);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* Processing Spinner */
.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-lg);
}

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

.process-steps {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0.3;
    transition: opacity 0.3s;
}

.step.active {
    opacity: 1;
}

.step i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Organization List */
.org-list {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.org-item {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.org-item:hover {
    border-color: var(--primary-color);
    background-color: #FFF5F6;
}

.org-item.selected {
    border-color: var(--primary-color);
    background-color: #FFE5E9;
}

.org-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

.org-details h3 {
    margin: 0;
    font-size: 1.125rem;
}

.org-details .org-type {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Course Info */
.course-info {
    background-color: var(--background-light);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
}

.info-row .label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-row .value {
    font-weight: 500;
    color: var(--text-primary);
}

/* Product List */
.product-list {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.product-item {
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    gap: var(--spacing-md);
}

.product-item:hover {
    border-color: var(--primary-color);
    background-color: #FFF5F6;
}

.product-item.selected {
    border-color: var(--primary-color);
    background-color: #FFE5E9;
}

.product-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.product-details h3 {
    margin: 0 0 var(--spacing-xs);
    font-size: 1.125rem;
}

.product-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.product-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Filters */
.filters-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    flex: 1;
}

.filter-group label {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.content-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
    cursor: pointer;
}

.content-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.content-type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-assignment {
    background-color: #E3F2FD;
    color: #1976D2;
}

.badge-quiz {
    background-color: #FFF3E0;
    color: #F57C00;
}

.badge-lab {
    background-color: #E8F5E9;
    color: #388E3C;
}

.badge-reading {
    background-color: #F3E5F5;
    color: #7B1FA2;
}

.content-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.content-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.content-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.content-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.content-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.points-badge {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ASGPB Layout */
.asgpb-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-lg);
}

.asgpb-main {
    min-width: 0;
}

.asgpb-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
}

.info-item:last-child {
    border-bottom: none;
}

.info-item .label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.info-item .value {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.small-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

.feature-item i {
    color: var(--success);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Assignments List */
.assignments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.assignment-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.assignment-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.assignment-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.assignment-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.assignment-meta span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.sync-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.sync-status.synced {
    background-color: #E8F5E9;
    color: var(--success);
}

.sync-status.pending {
    background-color: #FFF3E0;
    color: var(--warning);
}

.assignment-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--text-primary);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 2000;
    animation: slideIn 0.3s ease-out;
}

.toast.show {
    display: flex;
}

.toast.success {
    background: var(--success);
}

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

.toast.warning {
    background: var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .asgpb-layout {
        grid-template-columns: 1fr;
    }

    .asgpb-sidebar {
        position: static;
    }

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

    .filters-card {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .action-buttons {
        flex-direction: column;
    }

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

    .process-steps {
        flex-direction: column;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-state i {
    font-size: 4rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Product Picker */
.product-picker-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.product-picker-item {
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.product-picker-item:hover {
    border-color: var(--info);
    background: #F8FCFF;
}

.product-picker-item.selected {
    border-color: var(--primary-color);
    background: #FFF5F6;
}

.product-picker-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--background-light);
}

.product-picker-item.disabled:hover {
    border-color: var(--border-color);
    background: var(--background-light);
}

.product-picker-checkbox {
    margin-top: 4px;
}

.product-picker-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.product-picker-checkbox input[type="checkbox"]:disabled {
    cursor: not-allowed;
}

.product-picker-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.product-picker-details {
    flex: 1;
}

.product-picker-details h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.product-picker-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.product-picker-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.product-already-added {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    background: var(--success);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

/* Product Library Grid */
.product-library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-library-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
    transition: all 0.2s;
    cursor: pointer;
}

.product-library-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.product-thumbnail {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.product-thumbnail::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(200, 16, 46, 0.1) 100%);
}

.product-library-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.product-library-card .product-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Product Management Layout */
.product-management-layout {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.assignment-section {
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.assignment-section:last-child {
    margin-bottom: 0;
}

.assignment-section h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.section-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.card-header-row h2 {
    margin-bottom: 0;
}

.grade-sync-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.unsynced-list {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-md);
    min-height: 60px;
}

.no-assignments-text {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    margin: 0;
}

.unsynced-item {
    padding: var(--spacing-sm);
    background: var(--white);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--warning);
}

.unsynced-item:last-child {
    margin-bottom: 0;
}

/* Grades Sync Table */
.grades-table-container {
    margin-top: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.grades-table {
    width: 100%;
    border-collapse: collapse;
}

.grades-table thead {
    background: var(--dark-blue);
    color: var(--white);
}

.grades-table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

.grades-table th:first-child {
    width: 40px;
    text-align: center;
}

.grades-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

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

.grades-table tbody tr:hover {
    background: var(--background-light);
}

.grades-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.grades-table td:first-child {
    text-align: center;
}

.grades-table input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.pagination-info {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--background-light);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
}