/* ============================================================
   Tag Autocomplete dropdown (shared — appended to body)
   ============================================================ */

.tag-ac-dropdown {
    position: fixed;
    z-index: 9999;
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--background-secondary);
    border: 1px solid var(--border-primary);
    max-height: 14rem;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.tag-ac-item {
    padding: 0.35rem 0.6rem;
    font-family: inherit;
    font-size: var(--font-size-text);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag-ac-item strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.tag-ac-item:hover,
.tag-ac-item-active {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

/* ============================================================
   Tags Tab
   ============================================================ */

.tags-tab {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
    min-height: 300px;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.tags-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--border-primary);
    background: var(--background-primary);
    flex-shrink: 0;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.tags-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.tags-filter-wrap {
    position: relative;
    flex: 0 1 12rem;
    min-width: 8rem;
    display: flex;
    align-items: center;
}

.tags-filter-input {
    width: 100%;
    flex: 1 1 auto;
    min-width: 0;
    box-sizing: border-box;
    padding: 0.4rem 1.75rem 0.4rem 0.55rem;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: color-mix(in srgb, var(--background-primary) 40%, transparent);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-controls);
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tags-filter-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 25%, transparent);
}

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

.tags-filter-input::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.tags-filter-clear {
    position: absolute;
    right: 0.3rem;
    background: none;
    border: none;
    padding: 0.15rem 0.35rem;
    color: var(--text-tertiary);
    cursor: pointer;
    font-family: inherit;
    font-size: var(--font-size-controls);
    line-height: 1;
}

.tags-filter-clear:hover {
    color: var(--text-secondary);
}

.tags-filter-empty-hint {
    padding: 1.25rem 0.75rem;
    font-size: var(--font-size-controls);
    color: var(--text-tertiary);
    text-align: center;
    list-style: none;
}

.tags-tab-intro {
    font-size: var(--font-size-controls);
    color: var(--text-secondary);
    margin: 0;
}

/* ── Tag cloud (dashboard-style word cloud) ── */

.tags-cloud {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    justify-content: center;
    align-items: baseline;
    gap: 0.55rem 0.75rem;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 0.85rem 0.75rem;
    border: 1px solid var(--border-primary);
    background: color-mix(in srgb, var(--background-secondary) 92%, var(--accent-primary));
    overflow-x: hidden;
    overflow-y: visible;
    text-align: center;
    line-height: 1.35;
    box-sizing: border-box;
}

.tags-cloud[hidden] {
    display: none !important;
}

@keyframes configTagCloudEnter {
    from {
        opacity: 0;
        transform: rotate(var(--tag-rotate, 0deg)) translateY(6px) scale(0.92);
    }
    to {
        opacity: 1;
        transform: rotate(var(--tag-rotate, 0deg)) translateY(0) scale(1);
    }
}

@keyframes configTagCloudDrift {
    0%,
    100% {
        transform: rotate(var(--tag-rotate, 0deg)) translateY(0);
    }
    50% {
        transform: rotate(var(--tag-rotate, 0deg)) translateY(-2px);
    }
}

.tags-cloud.tags-cloud--live .tag-cloud-word {
    animation:
        configTagCloudEnter 0.32s ease backwards,
        configTagCloudDrift 4.5s ease-in-out infinite;
    animation-delay:
        calc(var(--tag-index, 0) * 0.022s),
        calc(0.35s + var(--tag-index, 0) * 0.1s);
}

body.no-animations .tags-cloud.tags-cloud--live .tag-cloud-word {
    animation: none !important;
}

.tag-cloud-word {
    display: inline-flex;
    align-items: baseline;
    gap: 0.1em;
    max-width: min(100%, 14rem);
    min-width: 0;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: calc(0.68rem + var(--tag-scale, 0.5) * 1.15rem);
    font-weight: calc(450 + var(--tag-scale, 0.5) * 350);
    padding: 0.18em 0.28em;
    cursor: pointer;
    letter-spacing: 0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: baseline;
    transition:
        color 0.15s ease,
        text-shadow 0.15s ease,
        transform 0.2s ease;
}

.tag-cloud-word-hash {
    font-weight: var(--font-weight-bold);
    font-size: 0.9em;
    color: color-mix(in srgb, var(--accent-primary) 82%, var(--text-secondary));
}

.tag-cloud-word-label {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    color: color-mix(
        in srgb,
        var(--text-secondary) calc((1 - var(--tag-scale, 0.5)) * 50%),
        var(--accent-primary) calc(20% + var(--tag-scale, 0.5) * 60%)
    );
}

.tag-cloud-word--tier-xl .tag-cloud-word-label {
    color: var(--accent-primary);
}

.tag-cloud-word--tier-lg .tag-cloud-word-label {
    color: color-mix(in srgb, var(--accent-primary) 88%, var(--text-primary));
}

.tag-cloud-word--tier-xs .tag-cloud-word-label {
    color: var(--text-tertiary);
    font-size: 0.92em;
}

.tag-cloud-word--tier-xs {
    font-size: calc(0.62rem + var(--tag-scale, 0.12) * 0.85rem);
    opacity: 0.88;
}

.tag-cloud-word--tier-xl {
    letter-spacing: 0.03em;
}

.tag-cloud-word:hover {
    transform: rotate(var(--tag-rotate, 0deg)) scale(1.06) translateY(-1px);
}

.tag-cloud-word:hover .tag-cloud-word-hash,
.tag-cloud-word:hover .tag-cloud-word-label {
    color: var(--accent-primary);
    text-shadow: 0 0 12px color-mix(in srgb, var(--accent-primary) 45%, transparent);
}

.tag-cloud-word:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ── Tag list panel ── */

.tags-list-panel {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    border: 1px solid var(--border-primary);
    background: var(--background-primary);
}

.tags-list-panel[hidden] {
    display: none !important;
}

.tags-list-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(7rem, 10rem) minmax(12rem, auto);
    gap: 0.75rem;
    align-items: center;
    padding: 0.45rem 0.75rem;
    font-size: calc(var(--font-size-controls) * 0.92);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.tags-list-header-actions {
    text-align: right;
}

.tags-list {
    display: flex;
    flex-direction: column;
    margin: 0;
    padding: 0 0 1.5rem;
    list-style: none;
    background: transparent;
}

.tags-section-divider {
    padding: 0.4rem 0.75rem;
    font-size: var(--font-size-controls);
    color: var(--text-tertiary);
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-primary);
    user-select: none;
}

/* ── Tag item ── */

.tag-item {
    border-bottom: 1px solid var(--border-primary);
}

.tag-item:nth-child(even) .tag-item-row {
    background: color-mix(in srgb, var(--background-secondary) 35%, transparent);
}

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

.tag-item--tier-xl .tag-item-label {
    font-weight: var(--font-weight-semibold);
    color: var(--accent-primary);
}

.tag-item--tier-lg .tag-item-label {
    font-weight: var(--font-weight-semibold);
}

.tag-item--tier-xs .tag-item-label {
    font-size: calc(var(--font-size-text) * 0.92);
    color: var(--text-secondary);
}

.tag-item-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(7rem, 10rem) minmax(12rem, auto);
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding: 0.55rem 0.75rem;
    min-height: 2.75rem;
}

.tag-item-label {
    min-width: 0;
    font-size: var(--font-size-text);
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    user-select: none;
    border: none;
    background: transparent;
    padding: 0;
    text-align: left;
    font-family: inherit;
}

.tag-item-label::before {
    content: '#';
    margin-right: 0.25em;
    color: color-mix(in srgb, var(--accent-primary) 70%, var(--text-tertiary));
    font-weight: var(--font-weight-semibold);
}

.tag-item-label:hover {
    color: var(--accent-primary);
}

.tag-item-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    min-width: 0;
}

.tag-popularity {
    height: 0.28rem;
    border-radius: 999px;
    background: color-mix(in srgb, var(--border-primary) 80%, transparent);
    overflow: hidden;
}

.tag-popularity-bar {
    display: block;
    height: 100%;
    width: var(--tag-fill, 0%);
    border-radius: inherit;
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--accent-primary) 55%, transparent),
        var(--accent-primary)
    );
    transition: width 0.35s ease;
}

.tag-item--tier-xs .tag-popularity-bar {
    opacity: 0.55;
}

.tag-item-count {
    flex-shrink: 0;
    font-size: var(--font-size-controls);
    color: var(--text-tertiary);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    border: none;
    background: transparent;
    padding: 0;
    font-family: inherit;
    text-align: left;
}

.tag-item--tier-xl .tag-item-count,
.tag-item--tier-lg .tag-item-count {
    color: color-mix(in srgb, var(--accent-primary) 75%, var(--text-secondary));
    font-weight: var(--font-weight-semibold);
}

.tag-item-count:hover {
    color: var(--accent-primary);
}

.tag-item-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.35rem;
}

.tag-rename-input {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--border-primary);
    background: var(--background-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--font-size-text);
}

.tag-rename-input:focus {
    outline: none;
    border-color: var(--text-secondary);
}

/* ── Drill-down panel ── */

.tag-drilldown {
    display: none;
    flex-direction: column;
    border-top: 1px solid var(--border-primary);
    background: var(--background-secondary);
}

.tag-drilldown.is-open {
    display: flex;
}

.tag-drilldown-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem 0.35rem 2.4rem;
    border-bottom: 1px solid var(--border-primary);
}

.tag-drilldown-row:last-child {
    border-bottom: none;
}

.tag-drilldown-name {
    flex: 1 1 0;
    min-width: 0;
    font-size: var(--font-size-text);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag-drilldown-page,
.tag-drilldown-cat {
    flex-shrink: 0;
    font-size: var(--font-size-controls);
    color: var(--text-tertiary);
    max-width: 8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag-drilldown-page {
    max-width: 6rem;
    color: var(--text-secondary);
}

.tag-drilldown-more {
    padding: 0.35rem 0.75rem 0.35rem 2.4rem;
    font-size: var(--font-size-controls);
    color: var(--text-tertiary);
    font-style: italic;
}

/* ── Empty state ── */

.tags-empty-state[hidden] {
    display: none !important;
}

.tags-empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-primary);
    padding: 2rem;
    text-align: center;
}

.tags-body[hidden] {
    display: none !important;
}

.tags-empty-state p {
    margin: 0;
    font-size: var(--font-size-text);
    color: var(--text-tertiary);
    max-width: 360px;
}

@media (max-width: 720px) {
    .tags-list-header {
        display: none;
    }

    .tag-item-row {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto auto;
        gap: 0.35rem;
        padding: 0.65rem 0.75rem;
    }

    .tag-item-meta {
        order: 2;
    }

    .tag-item-actions {
        order: 3;
        justify-content: flex-start;
    }
}