/* =========================================================================
   FedRAMP Documentation Hub — Styles
   Matches Deep Obsidian / Tokyo Night theme
   ========================================================================= */

.fdh-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px 40px;
}

.fdh-error {
    text-align: center;
    padding: 60px 20px;
    color: var(--red, #e06c75);
    font-size: 1rem;
}

/* ---- Header ---- */
.fdh-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.fdh-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fdh-back-btn {
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 8px;
    color: var(--text-secondary, #828997);
    padding: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.fdh-back-btn:hover {
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-primary, #abb2bf);
    border-color: var(--text-muted, #5c6370);
}

.fdh-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary, #abb2bf);
    margin: 0;
}

.fdh-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted, #5c6370);
    margin: 2px 0 0 0;
}

.fdh-search-wrap {
    position: relative;
    flex-shrink: 0;
}

.fdh-search-wrap svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted, #5c6370);
    pointer-events: none;
}

.fdh-search {
    width: 260px;
    padding: 9px 12px 9px 36px;
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 8px;
    color: var(--text-primary, #abb2bf);
    font-size: 0.85rem;
    font-family: inherit;
    transition: border-color 0.15s ease;
}

.fdh-search:focus {
    outline: none;
    border-color: var(--accent-blue, #6c8aff);
}

.fdh-search::placeholder {
    color: var(--text-muted, #5c6370);
}

/* ---- Stats Bar ---- */
.fdh-stats-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.fdh-stat {
    flex: 1;
    min-width: 80px;
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 8px;
    padding: 10px 14px;
    text-align: center;
}

.fdh-stat-num {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-blue, #6c8aff);
    line-height: 1.2;
}

.fdh-stat-label {
    display: block;
    font-size: 0.68rem;
    color: var(--text-muted, #5c6370);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-top: 2px;
}

/* ---- Tabs ---- */
.fdh-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--border-color, #3e4452);
    margin-bottom: 20px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.fdh-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--text-muted, #5c6370);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
    font-family: inherit;
}

.fdh-tab:hover {
    color: var(--text-primary, #abb2bf);
    background: var(--bg-secondary, #21252b);
}

.fdh-tab.active {
    color: var(--accent-blue, #6c8aff);
    border-bottom-color: var(--accent-blue, #6c8aff);
}

.fdh-tab-icon {
    font-size: 1rem;
}

.fdh-tab-label {
    font-size: 0.82rem;
}

/* ---- Content Area ---- */
.fdh-content {
    min-height: 300px;
}

.fdh-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted, #5c6370);
    font-size: 0.9rem;
}

/* ---- Sections ---- */
.fdh-section {
    margin-bottom: 28px;
}

.fdh-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #abb2bf);
    margin: 0 0 6px 0;
}

.fdh-section-desc {
    font-size: 0.78rem;
    color: var(--text-muted, #5c6370);
    margin: 0 0 14px 0;
    line-height: 1.5;
}

/* ---- Card Grid ---- */
.fdh-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 12px;
}

/* ---- Generic Card ---- */
.fdh-card {
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.fdh-card:hover {
    border-color: var(--text-muted, #5c6370);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.fdh-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.fdh-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary, #abb2bf);
    margin: 0;
    line-height: 1.3;
}

.fdh-card-badges {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.fdh-card-desc {
    font-size: 0.78rem;
    color: var(--text-secondary, #828997);
    margin: 0 0 12px 0;
    line-height: 1.5;
    flex: 1;
}

.fdh-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.fdh-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.fdh-card-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* ---- Badges & Tags ---- */
.fdh-format-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-muted, #5c6370);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.fdh-oscal-badge {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(108, 138, 255, 0.12);
    color: var(--accent-blue, #6c8aff);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.fdh-tag {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 3px;
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-muted, #5c6370);
}

/* ---- Buttons ---- */
.fdh-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.15s ease;
    font-family: inherit;
    white-space: nowrap;
}

.fdh-btn-sm {
    padding: 5px 10px;
    font-size: 0.72rem;
}

.fdh-btn-primary {
    background: var(--accent-blue, #6c8aff);
    color: #fff;
}

.fdh-btn-primary:hover {
    background: var(--accent-blue-hover, #5a7aff);
}

.fdh-btn-ghost {
    background: transparent;
    color: var(--text-secondary, #828997);
    border: 1px solid var(--border-color, #3e4452);
}

.fdh-btn-ghost:hover {
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-primary, #abb2bf);
}

/* ---- Baseline Cards ---- */
.fdh-baseline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
}

.fdh-baseline-card {
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 10px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.fdh-baseline-card:hover {
    border-color: var(--text-muted, #5c6370);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.fdh-baseline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.fdh-baseline-impact {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.fdh-baseline-count {
    font-size: 0.75rem;
    color: var(--text-muted, #5c6370);
    font-weight: 500;
}

.fdh-baseline-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary, #abb2bf);
    margin: 0 0 6px 0;
}

.fdh-baseline-desc {
    font-size: 0.78rem;
    color: var(--text-secondary, #828997);
    margin: 0 0 10px 0;
    line-height: 1.5;
    flex: 1;
}

.fdh-baseline-source {
    font-size: 0.7rem;
    color: var(--text-muted, #5c6370);
    margin-bottom: 12px;
}

.fdh-baseline-actions {
    display: flex;
    gap: 6px;
    margin-top: auto;
}

/* ---- Control Family Cards ---- */
.fdh-controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

.fdh-control-family-card {
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 10px;
    padding: 16px;
    transition: border-color 0.15s ease;
}

.fdh-control-family-card:hover {
    border-color: var(--text-muted, #5c6370);
}

.fdh-cf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.fdh-cf-id {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-blue, #6c8aff);
}

.fdh-cf-count {
    font-size: 0.72rem;
    color: var(--text-muted, #5c6370);
    background: var(--bg-tertiary, #2c313a);
    padding: 2px 8px;
    border-radius: 4px;
}

.fdh-cf-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary, #abb2bf);
    margin: 0 0 4px 0;
}

.fdh-cf-desc {
    font-size: 0.75rem;
    color: var(--text-secondary, #828997);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.fdh-cf-ksi {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.fdh-cf-ksi-label {
    font-size: 0.68rem;
    color: var(--text-muted, #5c6370);
}

.fdh-ksi-link {
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(198, 120, 221, 0.1);
    color: var(--accent-purple, #c678dd);
    border: 1px solid rgba(198, 120, 221, 0.2);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
}

.fdh-ksi-link:hover {
    background: rgba(198, 120, 221, 0.2);
    border-color: rgba(198, 120, 221, 0.4);
}

.fdh-cf-actions {
    margin-top: auto;
}

/* ---- 20x Tab ---- */
.fdh-twentyx-card {
    border-left: 3px solid var(--accent-purple, #c678dd);
}

/* ---- KSI Family Grid ---- */
.fdh-ksi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.fdh-ksi-family-card {
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 10px;
    padding: 14px;
    transition: all 0.15s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-family: inherit;
}

.fdh-ksi-family-card:hover {
    border-color: var(--accent-purple, #c678dd);
    background: rgba(198, 120, 221, 0.04);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.fdh-ksi-family-card-inner {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
    font-family: inherit;
    color: inherit;
}

.fdh-ksi-docs-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--accent-blue, #6c8aff);
    text-decoration: none;
    padding: 3px 8px;
    border: 1px solid rgba(108, 138, 255, 0.2);
    border-radius: 4px;
    transition: all 0.15s ease;
    align-self: flex-start;
}

.fdh-ksi-docs-link:hover {
    background: rgba(108, 138, 255, 0.1);
    border-color: var(--accent-blue, #6c8aff);
    color: var(--accent-cyan, #56b6c2);
}

.fdh-ksi-id {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-purple, #c678dd);
}

.fdh-ksi-name {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary, #abb2bf);
}

.fdh-ksi-count {
    font-size: 0.68rem;
    color: var(--text-muted, #5c6370);
}

.fdh-ksi-desc {
    font-size: 0.72rem;
    color: var(--text-secondary, #828997);
    margin: 2px 0 0 0;
    line-height: 1.4;
}

/* ---- Cross-link Bar ---- */
.fdh-cross-link-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary, #828997);
}

/* ---- Guidance Tab ---- */
.fdh-guidance-card {
    border-left: 3px solid var(--accent-blue, #6c8aff);
}

.fdh-guidance-cat {
    font-size: 0.65rem;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-muted, #5c6370);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
    flex-shrink: 0;
}

/* ---- KSI Mapping Table ---- */
.fdh-mapping-table-wrap {
    overflow-x: auto;
}

.fdh-mapping-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.fdh-mapping-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--bg-tertiary, #2c313a);
    color: var(--text-primary, #abb2bf);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color, #3e4452);
}

.fdh-mapping-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color, #3e4452);
    color: var(--text-primary, #abb2bf);
    vertical-align: top;
}

.fdh-mapping-table tr:hover td {
    background: var(--bg-secondary, #21252b);
}

.fdh-ctrl-chip {
    display: inline-block;
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(108, 138, 255, 0.1);
    color: var(--accent-blue, #6c8aff);
    margin: 2px;
    font-weight: 500;
}

/* ---- Tools Tab ---- */
.fdh-tools-grid {
    grid-template-columns: 1fr;
}

.fdh-tool-card {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
}

.fdh-tool-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary, #2c313a);
    border-radius: 10px;
    color: var(--accent-blue, #6c8aff);
}

.fdh-tool-icon svg {
    width: 22px;
    height: 22px;
}

.fdh-tool-info {
    flex: 1;
    min-width: 0;
}

.fdh-tool-info .fdh-card-title {
    margin-bottom: 2px;
}

.fdh-tool-info .fdh-card-desc {
    margin: 0;
    font-size: 0.75rem;
}

.fdh-tool-action {
    flex-shrink: 0;
}

/* ---- Baseline Comparison Chart ---- */
.fdh-baseline-chart {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 10px;
}

.fdh-chart-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.fdh-chart-label {
    width: 80px;
    font-size: 0.82rem;
    font-weight: 700;
    text-align: right;
    flex-shrink: 0;
}

.fdh-chart-bar-wrap {
    flex: 1;
    height: 28px;
    background: var(--bg-tertiary, #2c313a);
    border-radius: 6px;
    overflow: hidden;
}

.fdh-chart-bar {
    height: 100%;
    border-radius: 6px;
    transition: width 0.6s ease;
    min-width: 4px;
}

.fdh-chart-value {
    width: 48px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-primary, #abb2bf);
    text-align: left;
    flex-shrink: 0;
}

/* ---- OSCAL Preview Panel ---- */
.fdh-oscal-preview {
    margin-top: 12px;
    border-top: 1px solid var(--border-color, #3e4452);
    padding-top: 12px;
}

.fdh-oscal-loading {
    font-size: 0.78rem;
    color: var(--text-muted, #5c6370);
    padding: 12px;
    text-align: center;
}

.fdh-oscal-error {
    font-size: 0.78rem;
    color: var(--accent-red, #e06c75);
    padding: 12px;
    background: rgba(224, 108, 117, 0.06);
    border-radius: 6px;
}

.fdh-oscal-error a {
    color: var(--accent-blue, #6c8aff);
}

.fdh-oscal-summary {
    font-size: 0.78rem;
    color: var(--text-primary, #abb2bf);
    padding: 8px 12px;
    background: var(--bg-tertiary, #2c313a);
    border-radius: 6px;
    margin-bottom: 8px;
    line-height: 1.6;
}

.fdh-oscal-toolbar {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.fdh-oscal-json {
    max-height: 300px;
    overflow: auto;
    background: var(--bg-primary, #282c34);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 6px;
    padding: 12px;
    margin: 0;
    font-size: 0.7rem;
    line-height: 1.5;
    color: var(--accent-green, #98c379);
}

.fdh-oscal-json code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    white-space: pre;
}

.fdh-btn-xs {
    font-size: 0.68rem;
    padding: 3px 8px;
    border-radius: 4px;
}

/* ---- Control Family Expand/Collapse ---- */
.fdh-cf-toggle {
    display: block;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
    font-family: inherit;
    color: inherit;
}

.fdh-cf-toggle:hover .fdh-cf-name {
    color: var(--accent-blue, #6c8aff);
}

.fdh-cf-chevron {
    color: var(--text-muted, #5c6370);
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.fdh-cf-expanded .fdh-cf-chevron {
    transform: rotate(180deg);
}

.fdh-cf-expanded {
    border-color: var(--accent-blue, #6c8aff);
    background: rgba(108, 138, 255, 0.03);
}

.fdh-cf-detail {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--border-color, #3e4452);
}

.fdh-cf-detail-header {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted, #5c6370);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 10px;
}

.fdh-cf-detail-row {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color, #3e4452);
}

.fdh-cf-detail-row:last-child {
    border-bottom: none;
}

.fdh-cf-detail-ksi {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-purple, #c678dd);
    margin-bottom: 4px;
}

.fdh-cf-detail-ctrls {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.fdh-cf-actions {
    margin-top: 12px;
    padding-top: 8px;
}

/* ---- Mapping Filter ---- */
.fdh-mapping-filter-wrap {
    margin-bottom: 12px;
}

.fdh-mapping-filter {
    width: 100%;
    max-width: 400px;
    padding: 8px 14px;
    background: var(--bg-secondary, #21252b);
    border: 1px solid var(--border-color, #3e4452);
    border-radius: 8px;
    color: var(--text-primary, #abb2bf);
    font-size: 0.82rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s ease;
}

.fdh-mapping-filter:focus {
    border-color: var(--accent-purple, #c678dd);
}

.fdh-mapping-filter::placeholder {
    color: var(--text-muted, #5c6370);
}

.fdh-mapping-stats {
    margin-top: 8px;
    font-size: 0.72rem;
    color: var(--text-muted, #5c6370);
}

/* ---- Clickable Control Chips ---- */
.fdh-ctrl-chip-link {
    cursor: pointer;
    transition: all 0.15s ease;
}

.fdh-ctrl-chip-link:hover {
    background: rgba(108, 138, 255, 0.25);
    color: var(--accent-cyan, #56b6c2);
    box-shadow: 0 0 0 1px var(--accent-blue, #6c8aff);
}

/* =========================================================================
   Responsive
   ========================================================================= */

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

    .fdh-search {
        width: 100%;
    }

    .fdh-search-wrap {
        width: 100%;
    }

    .fdh-stats-bar {
        flex-wrap: wrap;
    }

    .fdh-stat {
        min-width: 70px;
    }

    .fdh-tabs {
        overflow-x: auto;
    }

    .fdh-card-grid {
        grid-template-columns: 1fr;
    }

    .fdh-baseline-grid {
        grid-template-columns: 1fr;
    }

    .fdh-controls-grid {
        grid-template-columns: 1fr;
    }

    .fdh-ksi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .fdh-tool-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .fdh-cross-link-bar {
        flex-direction: column;
        align-items: flex-start;
    }
}