/* Roadmaps Page Styles */

.roadmaps-page {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.page-header p {
    margin: 0.5rem 0 0 0;
    color: var(--text-secondary);
}

/* Search Section */
.search-section {
    margin-bottom: 1.5rem;
}

.search-container {
    max-width: 500px;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 2.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-clear {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
    transition: color 0.2s ease;
}

.search-clear:hover {
    color: var(--text-primary);
}

/* No Results */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.no-results h3 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.no-results p {
    margin: 0;
    color: var(--text-secondary);
}

/* Roadmaps Grid */
.roadmaps-section {
    margin-top: 2rem;
}

.roadmaps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.roadmap-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.roadmap-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.roadmap-card-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.roadmap-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.roadmap-card h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.roadmap-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0.5rem 0 0 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.roadmap-stats {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.roadmap-stat {
    text-align: center;
}

.roadmap-stat .stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.roadmap-stat .stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.roadmap-progress {
    margin-top: 1rem;
}

.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--cyan), var(--blue));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Add Roadmap Card */
.roadmap-card.add-roadmap {
    border: 2px dashed var(--border-color);
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.roadmap-card.add-roadmap:hover {
    border-color: var(--cyan);
    background: var(--bg-secondary);
}

.add-roadmap-content {
    text-align: center;
}

.add-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-secondary);
    margin: 0 auto 1rem;
}

/* Roadmap Detail Page */
.roadmap-detail-page {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--cyan);
}

.roadmap-header {
    margin-bottom: 2rem;
}

.roadmap-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.roadmap-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.roadmap-header p {
    display: none;
    color: var(--text-secondary);
    margin: 0;
}

.roadmap-description-container {
    margin: 0.5rem 0;
}

.roadmap-description-container .roadmap-description {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

.roadmap-description-container .read-more-btn {
    display: none;
    background: none;
    border: none;
    color: var(--cyan, #06b6d4);
    cursor: pointer;
    padding: 0;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.25rem;
}

.roadmap-description-container .read-more-btn:hover {
    text-decoration: underline;
}

.roadmap-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.archived-badge {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    padding: 0.25rem 0.75rem;
    border-radius: 16px;
    font-weight: 500;
}

.roadmap-meta {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Roadmap Chart */
.roadmap-chart-section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    overflow-x: auto;
}

/* SEO Topics Section - hidden visually but accessible to search engine crawlers */
.seo-topics-section {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* SEO Roadmaps Section - hidden visually but accessible to search engine crawlers */
.seo-roadmaps-section {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.roadmap-chart {
    position: relative;
    min-height: 400px;
    padding: 2rem 0;
}

/* SVG Connectors */
.tree-connectors {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1;
}

.spine-connector {
    stroke: var(--border-color);
    stroke-width: 3;
}

.branch-connector {
    stroke: var(--border-color);
    stroke-width: 2;
}

.leaf-connector {
    stroke: var(--border-color);
    stroke-width: 1.5;
}

/* Tree Container */
.tree-container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Spine Row - contains left branches, spine node, right branches */
.spine-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: start;
    min-height: 120px;
}

/* Branch columns */
.branch-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.branch-column.left {
    align-items: flex-end;
}

.branch-column.right {
    align-items: flex-start;
}

/* Spine column (center) */
.spine-column {
    display: flex;
    justify-content: center;
    min-width: 200px;
}

/* Spine Node - main milestone on the vertical path */
.spine-node {
    position: relative;
    background: var(--bg-secondary);
    border: 3px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-width: 180px;
    max-width: 250px;
    position: relative;
}

.spine-node:hover {
    border-color: var(--cyan);
    transform: scale(1.03);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.spine-node.selected {
    border-color: var(--cyan);
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.2);
}

.spine-node.filled {
    border-color: var(--green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, var(--bg-secondary) 100%);
}

.spine-node.empty {
    border-style: dashed;
}

.spine-node .node-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.spine-node .node-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.spine-node .node-status-icon {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.spine-node .node-status-icon.filled {
    background: var(--green);
    color: white;
}

/* Branch Node - topics that branch off the spine */
.branch-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.branch-column.left .branch-group {
    align-items: flex-end;
}

.branch-column.right .branch-group {
    align-items: flex-start;
}

.branch-node {
    position: relative;
    background: #fef3c7;
    border: 2px solid #f59e0b;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 140px;
    max-width: 220px;
}

[data-theme="dark"] .branch-node {
    background: rgba(245, 158, 11, 0.15);
    border-color: #f59e0b;
}

.branch-node:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.branch-node.selected {
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
}

.branch-node.filled {
    border-color: var(--green);
    background: rgba(16, 185, 129, 0.15);
}

.branch-node.empty {
    border-style: dashed;
}

.branch-node .node-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    flex: 1;
}

.branch-node .node-status-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.branch-node .node-status-icon.filled {
    background: var(--green);
    color: white;
}

/* Leaf Container - holds leaf nodes under a branch */
.leaf-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.25rem;
}

.branch-column.left .leaf-container {
    justify-content: flex-end;
}

.branch-column.right .leaf-container {
    justify-content: flex-start;
}

/* Leaf Node - specific items/options under a branch */
.leaf-node {
    position: relative;
    background: var(--bg-secondary);
    border: 1.5px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
}

.leaf-node:hover {
    border-color: var(--cyan);
    background: var(--bg-tertiary);
}

.leaf-node.selected {
    border-color: var(--cyan);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

.leaf-node.filled {
    border-color: var(--green);
    background: rgba(16, 185, 129, 0.08);
}

.leaf-node.empty {
    border-style: dashed;
}

.leaf-node .node-title {
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--text-primary);
}

.leaf-node .node-status-icon {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.55rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.leaf-node .node-status-icon.filled {
    background: var(--green);
    color: white;
}

/* General node styles */
.node-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ==================== Start Here Feature ==================== */

/* Extra top padding to prevent indicator from being clipped */
.roadmap-chart-section:has(.roadmap-first-visit) {
    padding-top: 6rem;
}

/* Dimming state for non-entry nodes on first visit - graduated opacity */
/* Distant nodes: 60% opacity */
.roadmap-first-visit .spine-node:not(.entry-node),
.roadmap-first-visit .branch-node,
.roadmap-first-visit .leaf-node {
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

/* Immediate siblings (connected to entry node): 75% opacity */
.roadmap-first-visit .spine-node.immediate-sibling,
.roadmap-first-visit .branch-node.immediate-sibling,
.roadmap-first-visit .leaf-node.immediate-sibling {
    opacity: 0.75;
}

/* Entry node highlight */
.spine-node.entry-node {
    position: relative;
    z-index: 10;
}

/* Start Here label and arrow container */
.start-here-indicator {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    z-index: 20;
    pointer-events: auto;
    cursor: pointer;
}

.start-here-label {
    background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

.start-here-subtitle {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
    white-space: nowrap;
}

.start-here-arrow {
    width: 0;
    height: 0;
    margin-top: -2px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 14px solid var(--cyan);
}

/* Ensure nodes remain clickable when dimmed */
.roadmap-first-visit .spine-node,
.roadmap-first-visit .branch-node,
.roadmap-first-visit .leaf-node {
    pointer-events: auto;
}

/* Mobile adjustments for Start Here */
@media (max-width: 768px) {
    /* No extra top padding on mobile - entry node is in middle */
    .roadmap-chart-section:has(.roadmap-first-visit) {
        padding-top: 2rem;
    }

    .start-here-indicator {
        top: -65px;
        z-index: 30;
    }

    .start-here-label {
        padding: 0.35rem 0.6rem;
        font-size: 0.7rem;
    }

    .start-here-subtitle {
        font-size: 0.6rem;
    }

    .start-here-arrow {
        border-left-width: 7px;
        border-right-width: 7px;
        border-top-width: 10px;
    }
}

/* Node Details Panel */
.node-details-panel {
    position: fixed;
    right: 0;
    top: 80px;
    width: 400px;
    max-width: 100%;
    height: calc(100vh - 80px);
    background-color: #1e293b;
    border-left: 1px solid var(--border-color);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    z-index: 100;
    overflow-y: auto;
}

[data-theme="light"] .node-details-panel {
    background-color: #ffffff;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background-color: #1e293b;
}

[data-theme="light"] .panel-header {
    background-color: #ffffff;
}

.panel-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.panel-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

.panel-close:hover {
    color: var(--text-primary);
}

.panel-body {
    padding: 1.5rem;
}

.node-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.node-stat-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.node-stat-card .value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.node-stat-card .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.node-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.node-edit-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background-color: #1e293b !important;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .modal-content {
    background-color: #ffffff !important;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background-color: #1e293b;
}

[data-theme="light"] .modal-header {
    background-color: #ffffff;
}

.modal-body {
    padding: 1.5rem;
    background-color: #1e293b;
}

[data-theme="light"] .modal-body {
    background-color: #ffffff;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--cyan);
}

.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239ca3af' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-secondary.btn-danger {
    border-color: #ef4444;
    color: #ef4444;
}

.btn-secondary.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.btn-secondary.btn-warning {
    border-color: #f59e0b;
    color: #f59e0b;
}

.btn-secondary.btn-warning:hover {
    background: rgba(245, 158, 11, 0.1);
}

.btn-secondary.btn-pooling-on {
    border-color: var(--cyan);
    color: var(--cyan);
}

.btn-secondary.btn-pooling-on:hover {
    background: rgba(6, 182, 212, 0.1);
}

.btn-icon-small {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.btn-icon-small:hover {
    background: var(--bg-tertiary);
    border-color: var(--cyan);
}

.btn-icon-small.btn-danger:hover {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
}

.btn-small:hover {
    background: var(--border-color);
}

/* Outline Preview */
.outline-preview {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem;
}

.outline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.outline-header h3 {
    margin: 0;
    font-size: 1rem;
}

.outline-nodes {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.outline-node {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.outline-node-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.outline-node-content h4 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
}

.outline-node-content p {
    margin: 0.25rem 0 0 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Generating Progress */
.generating-progress {
    text-align: center;
    padding: 2rem;
}

.progress-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--cyan);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

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

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

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .node-details-panel {
        width: 100%;
        left: 0;
    }

    .roadmap-chart-section {
        padding: 1rem;
        overflow-x: hidden;
    }

    /* Mobile tree layout - convert to vertical list */
    .spine-row {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        min-height: auto;
    }

    .spine-column {
        min-width: auto;
        width: 100%;
    }

    .spine-node {
        min-width: auto;
        max-width: 100%;
        width: 100%;
    }

    .branch-column {
        width: 100%;
    }

    .branch-column.left,
    .branch-column.right {
        align-items: stretch;
    }

    .branch-column.left .branch-group,
    .branch-column.right .branch-group {
        align-items: stretch;
    }

    .branch-node {
        min-width: auto;
        max-width: 100%;
        width: 100%;
    }

    .branch-column.left .leaf-container,
    .branch-column.right .leaf-container {
        justify-content: flex-start;
    }

    .leaf-node {
        flex: 1;
        min-width: auto;
    }

    /* Roadmap header mobile */
    .roadmap-header h1 {
        font-size: 1.5rem;
    }

    .roadmap-header-top {
        flex-direction: column;
    }

    .roadmap-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .roadmap-meta {
        gap: 1rem;
    }
}

/* Node Editor Page Styles */
.node-editor-page {
    padding-block: 2rem;
}

.node-editor-page .editor-header {
    margin-block-end: 2rem;
}

.node-editor-page .editor-header h1 {
    font-size: 1.75rem;
    margin-block-end: 0.5rem;
}

.node-editor-page .editor-header .subtitle {
    color: var(--text-secondary);
}

.node-editor-page .lesson-name-input {
    font-size: 1.125rem;
    font-weight: 600;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
    color: var(--text-primary);
    width: 100%;
}

.node-editor-page .lesson-name-input:hover,
.node-editor-page .lesson-name-input:focus {
    border-color: var(--border-color);
    background: var(--bg-primary);
}

/* Node Editor textarea styling for dark theme */
.node-editor-page textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 16px;
    line-height: 1.5;
    resize: vertical;
    transition: all 0.3s ease;
}

.node-editor-page textarea:focus {
    outline: none;
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px oklch(0.9 0.15 195 / 0.1);
}

.node-editor-page textarea::placeholder {
    color: var(--text-tertiary);
}

.node-editor-page .lesson-description-input {
    min-height: 60px;
}

.node-editor-page .lesson-content-section {
    margin-top: 1rem;
}

.node-editor-page .lesson-content-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.node-editor-page .lesson-content-input {
    min-height: 120px;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

.node-editor-page .question-content {
    display: grid;
    grid-template-columns: 2fr auto 1fr;
    gap: 1rem;
    align-items: start;
}

.node-editor-page .question-side {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.node-editor-page .question-side label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.node-editor-page .question-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    padding-top: 1.5rem;
}

.node-editor-page .question-explanation {
    margin-top: 1rem;
}

.node-editor-page .question-explanation label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

/* Node Progress Badge - shows X/Y progress on each node */
.node-progress-badge {
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.65rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    white-space: nowrap;
    z-index: 10;
}

.node-progress-badge.complete {
    background: var(--green);
    border-color: var(--green);
    color: white;
}

.node-progress-badge.partial {
    background: #f59e0b;
    border-color: #f59e0b;
    color: white;
}

.node-progress-badge.started {
    background: #5a7a8a;
    border-color: #6b8a9a;
    color: white;
}

.node-progress-badge.empty {
    background: #4a5568;
    border-color: #718096;
    color: #e2e8f0;
}

/* Adjustments for branch and leaf nodes */
.branch-node .node-progress-badge,
.leaf-node .node-progress-badge {
    bottom: -6px;
    font-size: 0.6rem;
    padding: 0.1rem 0.4rem;
}

/* Node Due Badge - shows SRS due time on each node */
.node-due-badge {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.1rem 0.4rem;
    border-radius: 8px;
    font-size: 0.6rem;
    font-weight: 500;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    white-space: nowrap;
    z-index: 10;
}

.node-due-badge.has-due {
    background: #ef4444;
    border-color: #dc2626;
    color: white;
    animation: pulse-due 2s ease-in-out infinite;
}

@keyframes pulse-due {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Adjustments for branch and leaf nodes */
.branch-node .node-due-badge,
.leaf-node .node-due-badge {
    top: -6px;
    font-size: 0.55rem;
    padding: 0.1rem 0.3rem;
}

/* Pooling Toggle Styles */
.pooling-toggle-group {
    padding: 1rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 8px;
    margin-top: 0.5rem;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
}

.toggle-checkbox {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    background: #475569;
    border-radius: 13px;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.toggle-checkbox:checked + .toggle-switch {
    background: #06b6d4;
}

.toggle-checkbox:checked + .toggle-switch::after {
    transform: translateX(22px);
}

.toggle-checkbox:focus + .toggle-switch {
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.3);
}

.toggle-text {
    font-weight: 500;
    color: #e2e8f0;
}

.form-hint {
    margin: 0.75rem 0 0 0;
    font-size: 0.8rem;
    color: #94a3b8;
    line-height: 1.5;
}

/* View Lesson Button */
.btn-lesson {
    padding: 0.75rem 1rem;
    border: 1px solid #0891b2;
    background: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    margin-bottom: 1.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.btn-lesson:hover {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    border-color: #06b6d4;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.btn-lesson:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ==================== Lesson Modal Styles ==================== */
.lesson-modal-content {
    max-width: 900px;
    width: 95%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    background: var(--surface, #1e293b);
    border-radius: 16px;
    overflow: hidden;
}

/* Desktop: use more vertical space */
@media (min-width: 768px) {
    .lesson-modal-content {
        max-height: 90vh;
        width: 90%;
    }
}

@media (min-width: 1200px) {
    .lesson-modal-content {
        max-width: 1000px;
        max-height: 92vh;
    }
}

.lesson-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem 2rem;
    min-height: 200px;
    max-height: none; /* Let flexbox handle the height */
}

.lesson-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    gap: 1rem;
    color: var(--text-secondary);
}

.lesson-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border, #374151);
}

.lesson-markdown-content {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.8;
}

.lesson-markdown-content h1,
.lesson-markdown-content h2,
.lesson-markdown-content h3,
.lesson-markdown-content h4 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.lesson-markdown-content h1 { font-size: 1.75rem; }
.lesson-markdown-content h2 { font-size: 1.5rem; }
.lesson-markdown-content h3 { font-size: 1.25rem; }

.lesson-markdown-content p {
    margin-bottom: 1rem;
}

.lesson-markdown-content ul,
.lesson-markdown-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.lesson-markdown-content li {
    margin-bottom: 0.5rem;
}

.lesson-markdown-content code {
    background: var(--background, #0f172a);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
}

.lesson-markdown-content pre {
    background: var(--background, #0f172a);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.lesson-markdown-content pre code {
    background: transparent;
    padding: 0;
}

.lesson-markdown-content blockquote {
    border-left: 4px solid var(--accent, #06b6d4);
    margin: 1rem 0;
    padding-left: 1rem;
    color: var(--text-secondary);
}

.lesson-markdown-content img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
}

.lesson-markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.lesson-markdown-content th,
.lesson-markdown-content td {
    padding: 0.75rem;
    border: 1px solid var(--border, #374151);
    text-align: left;
}

.lesson-markdown-content th {
    background: var(--background, #0f172a);
}

/* Lesson Modal Footer */
.lesson-modal-footer {
    padding: 1rem 2rem;
    background: var(--background, #0f172a);
    border-top: 1px solid var(--border, #374151);
}

.lesson-cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.lesson-cta-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lesson-cta-icon {
    font-size: 2rem;
}

.lesson-cta-title {
    font-weight: 600;
    color: var(--text-primary);
}

.lesson-cta-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.lesson-cta-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.lesson-cta-actions .btn-primary {
    padding: 0.75rem 1.5rem;
    white-space: nowrap;
}

.lesson-cta-actions .btn-secondary {
    padding: 0.5rem 1rem;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .lesson-modal-content {
        width: 100%;
        max-height: 100vh;
        border-radius: 0;
        position: relative;
    }

    /* Sticky header on mobile so close button is always visible */
    .lesson-modal-content .modal-header {
        position: sticky;
        top: 60px; /* Account for fixed nav bar height */
        z-index: 10;
        flex-shrink: 0;
    }

    .lesson-modal-body {
        padding: 1rem;
        padding-bottom: 140px; /* Space for the fixed footer */
    }

    .lesson-modal-footer {
        padding: 1rem;
        /* Fixed position at bottom */
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--surface, #1e293b);
        border-top: 1px solid var(--border, #374151);
        /* Scroll hide/show animation */
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    .lesson-modal-footer.footer-hidden {
        transform: translateY(100%);
        opacity: 0;
        pointer-events: none;
    }

    .lesson-cta-box {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .lesson-cta-info {
        justify-content: center;
    }

    .lesson-cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .lesson-cta-actions .btn-primary,
    .lesson-cta-actions .btn-secondary {
        width: 100%;
    }
}

/* Flashcard section in lesson modal */
.lesson-flashcard-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border, #374151);
}

.lesson-flashcard-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.lesson-flashcard-icon {
    font-size: 1.5rem;
}

.lesson-flashcard-challenge-container {
    background: var(--background, #0f172a);
    border-radius: 12px;
    padding: 1rem;
}

.lesson-flashcard-challenge-container .challenge-card {
    max-width: 100%;
    margin: 0;
    padding: 1.5rem;
}

.lesson-flashcard-challenge-container .challenge-question {
    font-size: 0.95rem;
}

.lesson-flashcard-challenge-container .challenge-input-zone {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.lesson-flashcard-challenge-container .challenge-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border, #374151);
    border-radius: 8px;
    background: var(--surface, #1e293b);
    color: var(--text-primary);
    font-size: 1rem;
    text-align: left;
    font-family: inherit;
    letter-spacing: normal;
}

.lesson-flashcard-challenge-container .challenge-check-btn {
    display: inline-block;
    width: auto;
    margin-top: 0;
    padding: 0.75rem 1.5rem;
    background: var(--accent, #06b6d4);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.lesson-flashcard-challenge-container .challenge-check-btn:hover {
    background: var(--accent-hover, #0891b2);
}

.lesson-flashcard-challenge-container .explosion-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 1rem;
}

.lesson-flashcard-challenge-container .retry-btn,
.lesson-flashcard-challenge-container .skip-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.lesson-flashcard-challenge-container .retry-btn {
    background: transparent;
    border: 1px solid var(--border, #374151);
    color: var(--text-secondary);
}

.lesson-flashcard-challenge-container .skip-btn {
    background: var(--accent, #06b6d4);
    border: none;
    color: white;
}

/* Open in new tab icon button */
.btn-icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--surface, #1e293b);
    border: 1px solid var(--border, #374151);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.btn-icon-link:hover {
    background: var(--background, #0f172a);
    color: var(--text-primary);
    border-color: var(--accent, #06b6d4);
}
/* ===================================
   Roadmap Comments Section
   =================================== */

.roadmap-comments-section {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--surface, #1e293b);
    border-radius: 12px;
    border: 1px solid var(--border, #374151);
}

.comments-header {
    margin-bottom: 2rem;
}

.comments-header h2 {
    font-size: 1.75rem;
    color: var(--text-primary, #f1f5f9);
    margin-bottom: 0.5rem;
}

.comments-subtitle {
    color: var(--text-secondary, #94a3b8);
    font-size: 0.95rem;
}

/* New Comment Form */
.new-comment-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background, #0f172a);
    border-radius: 8px;
    border: 1px solid var(--border, #374151);
}

.comment-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent, #06b6d4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.comment-form-content {
    flex: 1;
}

.rating-input {
    margin-bottom: 1rem;
}

.rating-input label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary, #f1f5f9);
    font-weight: 500;
}

.star-rating {
    display: flex;
    gap: 0.25rem;
}

.star {
    font-size: 1.75rem;
    cursor: pointer;
    color: var(--text-secondary, #475569);
    transition: color 0.2s;
    user-select: none;
}

.star:hover,
.star.active {
    color: #fbbf24;
}

.comment-form-content textarea {
    width: 100%;
    min-height: 80px;
    padding: 0.75rem;
    background: var(--surface, #1e293b);
    border: 1px solid var(--border, #374151);
    border-radius: 6px;
    color: var(--text-primary, #f1f5f9);
    font-size: 0.95rem;
    resize: vertical;
    font-family: inherit;
}

.comment-form-content textarea:focus {
    outline: none;
    border-color: var(--accent, #06b6d4);
}

.comment-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1rem;
}

/* Login Prompt */
.comments-login-prompt {
    text-align: center;
    padding: 2rem;
    background: var(--background, #0f172a);
    border-radius: 8px;
    border: 1px dashed var(--border, #374151);
    margin-bottom: 2rem;
}

.comments-login-prompt p {
    color: var(--text-secondary, #94a3b8);
    margin-bottom: 1rem;
}

/* Comments List */
.comments-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.comments-loading,
.comments-empty {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary, #94a3b8);
}

.comments-loading .progress-spinner {
    margin: 0 auto 1rem;
}

/* Comment Item */
.comment-item {
    padding: 1.5rem;
    background: var(--background, #0f172a);
    border-radius: 8px;
    border: 1px solid var(--border, #374151);
}

.comment-item.deleted {
    opacity: 0.6;
    background: var(--surface, #1e293b);
}

.comment-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.comment-author-info {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    color: var(--text-primary, #f1f5f9);
    margin-bottom: 0.25rem;
}

.comment-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.comment-date {
    color: var(--text-secondary, #64748b);
    font-size: 0.85rem;
}

.comment-rating {
    display: flex;
    gap: 0.125rem;
}

.comment-rating .star {
    font-size: 1rem;
    color: #fbbf24;
    cursor: default;
}

.comment-rating .star.empty {
    color: var(--text-secondary, #475569);
}

.comment-actions {
    display: flex;
    gap: 0.5rem;
}

.comment-action-btn {
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border, #374151);
    border-radius: 4px;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.comment-action-btn:hover {
    background: var(--surface, #1e293b);
    border-color: var(--accent, #06b6d4);
    color: var(--accent, #06b6d4);
}

.comment-action-btn.danger:hover {
    border-color: #ef4444;
    color: #ef4444;
}

.comment-text {
    color: var(--text-primary, #e2e8f0);
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.comment-text.deleted-text {
    font-style: italic;
    color: var(--text-secondary, #64748b);
}

/* Reply Section */
.comment-replies {
    margin-top: 1rem;
    padding-left: 2.5rem;
    border-left: 2px solid var(--border, #374151);
}

.reply-item {
    padding: 1rem;
    margin-top: 1rem;
    background: var(--surface, #1e293b);
    border-radius: 6px;
    border: 1px solid var(--border, #374151);
}

.reply-form {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--surface, #1e293b);
    border-radius: 6px;
    border: 1px solid var(--border, #374151);
}

.reply-form textarea {
    width: 100%;
    min-height: 60px;
    padding: 0.75rem;
    background: var(--background, #0f172a);
    border: 1px solid var(--border, #374151);
    border-radius: 4px;
    color: var(--text-primary, #f1f5f9);
    font-size: 0.9rem;
    resize: vertical;
    font-family: inherit;
}

.reply-form textarea:focus {
    outline: none;
    border-color: var(--accent, #06b6d4);
}

.reply-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.show-replies-btn {
    margin-top: 0.75rem;
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border, #374151);
    border-radius: 4px;
    color: var(--text-secondary, #94a3b8);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.show-replies-btn:hover {
    background: var(--surface, #1e293b);
    border-color: var(--accent, #06b6d4);
    color: var(--accent, #06b6d4);
}

/* Edit Comment Form */
.edit-comment-form {
    margin-top: 1rem;
}

.edit-comment-form textarea {
    width: 100%;
    min-height: 80px;
    padding: 0.75rem;
    background: var(--surface, #1e293b);
    border: 1px solid var(--border, #374151);
    border-radius: 4px;
    color: var(--text-primary, #f1f5f9);
    font-size: 0.95rem;
    resize: vertical;
    font-family: inherit;
}

.edit-comment-form textarea:focus {
    outline: none;
    border-color: var(--accent, #06b6d4);
}

.edit-rating-form {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--surface, #1e293b);
    border-radius: 6px;
    border: 1px solid var(--border, #374151);
}

.edit-rating-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary, #f1f5f9);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .roadmap-comments-section {
        padding: 1rem;
        margin: 2rem 0;
    }

    .new-comment-form {
        flex-direction: column;
        gap: 1rem;
    }

    .comment-avatar {
        align-self: flex-start;
    }

    .comment-replies {
        padding-left: 1rem;
    }

    .comment-actions {
        flex-wrap: wrap;
    }

    .comment-action-btn {
        font-size: 0.8rem;
        padding: 0.25rem 0.5rem;
    }
}