/* Prompt Gallery — refined studio UI */

:root {
    --p-ink: #0c0c0c;
    --p-ink-2: #3f3f46;
    --p-ink-3: #a1a1aa;
    --p-line: rgba(12, 12, 12, 0.08);
    --p-line-strong: rgba(12, 12, 12, 0.14);
    --p-soft: #f4f4f5;
    --p-surface: #ffffff;
    --p-radius: 14px;
    --p-radius-sm: 10px;
    --p-shadow: 0 1px 2px rgba(12, 12, 12, 0.04), 0 8px 24px rgba(12, 12, 12, 0.06);
    --p-shadow-hover: 0 4px 12px rgba(12, 12, 12, 0.08), 0 16px 40px rgba(12, 12, 12, 0.1);
    --p-hero: #f3f3f3;
    --p-page: #f7f7f8;
    --p-media: #f0f0f1;
    --p-track: #e4e4e7;
    --p-box-bg: #ffffff;
    --p-box-text: #3f3f46;
}

.io-black-mode {
    --p-ink: #f2f3f5;
    --p-ink-2: #b0b5be;
    --p-ink-3: #71767f;
    --p-line: rgba(255, 255, 255, 0.08);
    --p-line-strong: rgba(255, 255, 255, 0.14);
    --p-soft: #161920;
    --p-surface: #1a1d24;
    --p-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 28px rgba(0, 0, 0, 0.35);
    --p-shadow-hover: 0 4px 14px rgba(0, 0, 0, 0.3), 0 18px 44px rgba(0, 0, 0, 0.45);
    --p-hero: #1a1e26;
    --p-page: #0c0e12;
    --p-media: #12151a;
    --p-track: #2a2f3a;
    --p-box-bg: #14171d;
    --p-box-text: #c8cdd4;
}

/* ========== Plaza ========== */
.prompt-plaza-page {
    padding-top: 0.75rem;
    padding-bottom: 3.5rem;
}

.prompt-plaza-hero {
    position: relative;
    margin: 0 0 1.75rem;
    padding: 1.75rem 1.25rem 1.5rem;
    background: var(--p-hero);
    border: 1px solid var(--p-line);
    border-radius: 16px;
    overflow: hidden;
}

.prompt-plaza-hero::before {
    content: "";
    position: absolute;
    inset: -20% auto auto 50%;
    width: min(520px, 90%);
    height: 180px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.85), transparent 70%);
    pointer-events: none;
}

.prompt-plaza-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 36rem;
    margin: 0 auto;
    text-align: center;
}

.prompt-plaza-kicker {
    margin: 0 0 0.55rem;
    font-size: 0.6875rem;
    font-weight: 650;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--p-ink-3);
    animation: prompt-hero-in 0.45s ease both;
}

.prompt-plaza-title {
    margin: 0 0 0.45rem;
    font-size: clamp(1.7rem, 3.6vw, 2.15rem);
    font-weight: 720;
    line-height: 1.15;
    letter-spacing: -0.035em;
    color: var(--p-ink);
    animation: prompt-hero-in 0.45s ease 0.04s both;
}

.prompt-plaza-desc {
    margin: 0 auto 1.1rem;
    max-width: 24rem;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--p-ink-2);
    animation: prompt-hero-in 0.45s ease 0.08s both;
}

.prompt-plaza-search {
    margin: 0 auto 0.85rem;
    max-width: 22rem;
    animation: prompt-hero-in 0.45s ease 0.12s both;
}

.prompt-plaza-search-field {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    margin: 0;
}

.prompt-plaza-search-ico {
    position: absolute;
    left: 0.85rem;
    color: var(--p-ink-3);
    pointer-events: none;
    flex-shrink: 0;
}

.prompt-plaza-search-field input[type="search"] {
    width: 100%;
    height: 2.5rem;
    padding: 0 2.4rem 0 2.35rem;
    font-size: 0.875rem;
    color: var(--p-ink);
    background: var(--p-surface);
    border: 1px solid var(--p-line-strong);
    border-radius: 999px;
    outline: none;
    box-shadow: 0 1px 2px rgba(12, 12, 12, 0.04);
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
    -webkit-appearance: none;
    appearance: none;
}

.prompt-plaza-search-field input[type="search"]::-webkit-search-decoration,
.prompt-plaza-search-field input[type="search"]::-webkit-search-cancel-button {
    -webkit-appearance: none;
    appearance: none;
}

.prompt-plaza-search-field input[type="search"]::placeholder {
    color: var(--p-ink-3);
}

.prompt-plaza-search-field input[type="search"]:focus {
    border-color: rgba(12, 12, 12, 0.28);
    box-shadow: 0 0 0 3px rgba(12, 12, 12, 0.06), 0 2px 8px rgba(12, 12, 12, 0.05);
}

.prompt-plaza-search-clear {
    position: absolute;
    right: 0.45rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.7rem;
    height: 1.7rem;
    color: var(--p-ink-3);
    border-radius: 999px;
    text-decoration: none !important;
    transition: color 0.15s ease, background 0.15s ease;
}

.prompt-plaza-search-clear:hover {
    color: var(--p-ink);
    background: var(--p-soft);
}

.prompt-plaza-meta {
    margin: 0 0 1.1rem;
    font-size: 0.78rem;
    color: var(--p-ink-3);
    animation: prompt-hero-in 0.45s ease 0.16s both;
}

.prompt-plaza-meta-num {
    font-weight: 700;
    color: var(--p-ink);
    font-variant-numeric: tabular-nums;
}

.prompt-plaza-cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
    animation: prompt-hero-in 0.45s ease 0.2s both;
}

.prompt-cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    font-size: 0.8rem;
    font-weight: 550;
    color: var(--p-ink-2);
    background: var(--p-surface);
    border: 1px solid var(--p-line);
    border-radius: 999px;
    text-decoration: none !important;
    box-shadow: 0 1px 2px rgba(12, 12, 12, 0.03);
    transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.prompt-cat-chip:hover {
    color: var(--p-ink);
    border-color: var(--p-line-strong);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(12, 12, 12, 0.06);
}

.prompt-cat-chip.is-active {
    color: #fff;
    background: var(--p-ink);
    border-color: var(--p-ink);
    box-shadow: none;
}

.prompt-cat-count {
    font-size: 0.6875rem;
    font-weight: 600;
    opacity: 0.55;
    font-variant-numeric: tabular-nums;
}

.prompt-cat-chip.is-active .prompt-cat-count {
    opacity: 0.7;
}

.prompt-plaza-hero--archive {
    text-align: left;
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 1.25rem 0 0.75rem;
}

.prompt-plaza-hero--archive::before {
    display: none;
}

.prompt-plaza-hero--archive .prompt-plaza-hero-inner {
    margin: 0;
    text-align: left;
    max-width: 36rem;
}

.prompt-plaza-hero--archive .prompt-plaza-cats,
.prompt-plaza-hero--archive .prompt-plaza-kicker,
.prompt-plaza-hero--archive .prompt-plaza-title,
.prompt-plaza-hero--archive .prompt-plaza-desc,
.prompt-plaza-hero--archive .prompt-plaza-meta {
    animation: none;
}

@keyframes prompt-hero-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .prompt-plaza-kicker,
    .prompt-plaza-title,
    .prompt-plaza-desc,
    .prompt-plaza-search,
    .prompt-plaza-meta,
    .prompt-plaza-cats {
        animation: none;
    }
}

.prompt-plaza-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 5rem 1rem;
    text-align: center;
    color: var(--p-ink-3);
}

.prompt-plaza-empty-ico {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4.5rem;
    height: 4.5rem;
    margin-bottom: 0.75rem;
    border-radius: 1.25rem;
    background: var(--p-soft);
    color: var(--p-ink-3);
}

.prompt-plaza-empty p {
    margin: 0;
    font-size: 1rem;
    font-weight: 650;
    color: var(--p-ink-2);
}

.prompt-plaza-empty span {
    font-size: 0.85rem;
}

.prompt-plaza-pagination {
    margin-top: 2.25rem;
}

.prompt-plaza-pagination .page-numbers {
    border-radius: 0.5rem !important;
}

.prompt-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 1rem;
    font-size: 0.78rem;
    color: var(--p-ink-3);
}

.prompt-breadcrumb a {
    color: var(--p-ink-2);
    text-decoration: none !important;
    transition: color 0.15s ease;
}

.prompt-breadcrumb a:hover {
    color: var(--p-ink);
}

.prompt-bc-sep { opacity: 0.4; }
.prompt-bc-current {
    color: var(--p-ink);
    max-width: 14rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ========== Masonry ========== */
.prompt-masonry {
    column-count: 2;
    column-gap: 0.9rem;
}

@media (min-width: 768px) {
    .prompt-masonry { column-count: 3; column-gap: 1rem; }
}

@media (min-width: 1200px) {
    .prompt-masonry { column-count: 4; column-gap: 1.1rem; }
}

.prompt-card {
    break-inside: avoid;
    margin-bottom: 0.9rem;
    border-radius: var(--p-radius);
    overflow: hidden;
    background: var(--p-soft);
    box-shadow: var(--p-shadow);
    opacity: 0;
    transform: translateY(10px);
    animation: promptCardIn 0.5s ease forwards;
    animation-delay: var(--prompt-delay, 0ms);
    transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.28s ease;
}

@keyframes promptCardIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .prompt-card {
        opacity: 1;
        transform: none;
        animation: none;
    }
}

.prompt-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--p-shadow-hover);
}

.prompt-card-link {
    display: block;
    text-decoration: none !important;
    color: inherit;
}

.prompt-card-figure {
    position: relative;
    margin: 0;
    overflow: hidden;
}

.prompt-card-img,
.prompt-card-figure img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: top;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.prompt-card:hover .prompt-card-img,
.prompt-card:hover .prompt-card-figure img {
    transform: scale(1.035);
}

.prompt-card-cat {
    position: absolute;
    left: 0.6rem;
    top: 0.6rem;
    z-index: 2;
    padding: 0.22rem 0.55rem;
    font-size: 0.65rem;
    font-weight: 650;
    letter-spacing: 0.01em;
    color: #fff;
    background: rgba(12, 12, 12, 0.48);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.prompt-card-overlay {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 2.75rem 0.85rem 0.85rem;
    background: linear-gradient(180deg, transparent 0%, rgba(12, 12, 12, 0.72) 100%);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.prompt-card:hover .prompt-card-overlay {
    opacity: 1;
    transform: translateY(0);
}

.prompt-card-title {
    margin: 0;
    font-size: 0.8125rem;
    font-weight: 600;
    line-height: 1.4;
    color: #fff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* ========== Detail ========== */
/* 贴齐侧栏主内容区：禁止居中 max-width，避免左侧白边 */
.findly-ui .main-content > #content.prompt-detail-page,
#content.prompt-detail-page {
    background: var(--p-page);
    min-height: 70vh;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box;
}

.prompt-viewer {
    display: grid;
    grid-template-columns: 1fr;
    min-height: calc(100vh - 110px);
    width: 100%;
    max-width: none !important;
    margin: 0 !important;
}

@media (min-width: 992px) {
    .prompt-viewer {
        grid-template-columns: minmax(0, 1fr) 540px;
        align-items: start;
    }
}

@media (min-width: 1280px) {
    .prompt-viewer {
        grid-template-columns: minmax(0, 1fr) 620px;
    }
}

.prompt-viewer-media {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, var(--p-media), var(--p-page) 70%);
    min-height: 52vh;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    /* 左侧图片固定在视口；右侧随页面滚动（勿锁整页高度，否则内容会被裁没） */
    .prompt-viewer-media {
        padding: 1.25rem 1.25rem 1.5rem;
        position: sticky;
        top: 0;
        align-self: start;
        height: calc(100vh - var(--f-topbar-h, 74px));
        min-height: calc(100vh - var(--f-topbar-h, 74px));
        max-height: calc(100vh - var(--f-topbar-h, 74px));
        overflow: hidden;
        justify-content: center;
        box-sizing: border-box;
    }

    .prompt-viewer-img {
        max-height: min(calc(100vh - var(--f-topbar-h, 74px) - 7.5rem), 820px);
    }
}

.prompt-viewer-stage {
    position: relative;
    width: 100%;
    max-width: min(860px, 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.prompt-viewer-toolbar {
    display: none;
}

.prompt-viewer-float-tools {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    z-index: 5;
    display: flex;
    gap: 0.4rem;
}

.prompt-viewer-float-tools--bare {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
}

.prompt-viewer-empty-wrap {
    position: relative;
    width: 100%;
    min-height: 16rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prompt-tool-btn {
    width: 2.35rem;
    height: 2.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 0.65rem;
    background: var(--p-surface);
    color: var(--p-ink-2);
    cursor: pointer;
    text-decoration: none !important;
    box-shadow: 0 2px 10px rgba(12, 12, 12, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.prompt-tool-btn:hover {
    background: var(--p-surface);
    color: var(--p-ink);
    transform: translateY(-1px);
}

.prompt-tool-btn.is-active,
.prompt-tool-btn.liked {
    color: var(--p-ink);
    background: var(--p-surface);
}

.prompt-viewer-img {
    display: block;
    max-width: 100%;
    max-height: min(76vh, 820px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 16px;
    background: var(--p-track);
    box-shadow:
        0 1px 2px rgba(12, 12, 12, 0.04),
        0 20px 48px rgba(12, 12, 12, 0.1);
}

.prompt-viewer-next {
    position: absolute;
    right: -0.15rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.65rem;
    height: 2.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: var(--p-surface);
    color: var(--p-ink);
    box-shadow: 0 4px 20px rgba(12, 12, 12, 0.14);
    text-decoration: none !important;
    backdrop-filter: blur(8px);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.prompt-viewer-next:hover {
    transform: translateY(-50%) scale(1.06);
    box-shadow: 0 8px 28px rgba(12, 12, 12, 0.18);
    color: var(--p-ink);
    background: var(--p-surface);
}

.prompt-viewer-next::after {
    content: attr(data-tip);
    position: absolute;
    right: calc(100% + 0.55rem);
    top: 50%;
    transform: translateY(-50%);
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
    color: #fff;
    background: rgba(12, 12, 12, 0.88);
    border-radius: 0.45rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
}

.prompt-viewer-next:hover::after {
    opacity: 1;
}

.prompt-viewer-thumbs {
    display: flex;
    gap: 0.55rem;
    justify-content: center;
}

.prompt-thumb {
    width: 3.4rem;
    height: 3.4rem;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 0.55rem;
    overflow: hidden;
    background: var(--p-track);
    cursor: pointer;
    opacity: 0.65;
    box-shadow: 0 2px 8px rgba(12, 12, 12, 0.06);
    transition: opacity 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.prompt-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.prompt-thumb:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.prompt-thumb.is-active {
    opacity: 1;
    border-color: var(--p-ink);
}

.prompt-viewer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 4rem;
    color: var(--p-ink-3);
    font-size: 0.875rem;
}

.prompt-viewer-aside {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
    padding: 1.25rem 1.2rem 2.25rem;
    background: var(--p-surface);
    border-top: 1px solid var(--p-line);
}

@media (min-width: 992px) {
    .prompt-viewer-aside {
        padding: 1.5rem 1.6rem 2.5rem;
        border-top: 0;
        border-left: 1px solid var(--p-line);
        min-height: calc(100vh - var(--f-topbar-h, 74px));
        width: 540px;
        max-width: 540px;
        box-sizing: border-box;
    }
}

@media (min-width: 1280px) {
    .prompt-viewer-aside {
        width: 620px;
        max-width: 620px;
        padding: 1.6rem 1.75rem 2.5rem;
    }
}

.prompt-aside-head {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.prompt-aside-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    min-height: 1.6rem;
}

.prompt-aside-meta-left {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 0.65rem;
    min-width: 0;
    flex: 1;
}

.prompt-aside-by {
    display: inline-flex;
    align-items: baseline;
    gap: 0.3rem;
    min-width: 0;
    font-size: 0.78rem;
    color: var(--p-ink-3);
}

.prompt-aside-by-label {
    flex-shrink: 0;
}

.prompt-aside-by-name {
    font-weight: 600;
    color: var(--p-ink-2);
    text-decoration: none !important;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 12rem;
}

a.prompt-aside-by-name:hover {
    color: var(--p-ink);
}

.prompt-share-wrap {
    position: relative;
    flex-shrink: 0;
    margin-left: auto;
}

.prompt-share-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.28rem 0.55rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--p-ink-3);
    background: transparent;
    border: 0;
    border-radius: 0.45rem;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease, color 0.15s ease;
}

.prompt-share-toggle:hover,
.prompt-share-toggle[aria-expanded="true"] {
    color: var(--p-ink);
    background: var(--p-soft);
}

.prompt-share-toggle svg {
    opacity: 0.75;
}

.prompt-share-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    left: auto;
    z-index: 30;
    min-width: 9.5rem;
    padding: 0.35rem;
    background: var(--p-surface);
    border: 1px solid var(--p-line);
    border-radius: 0.85rem;
    box-shadow: var(--p-shadow-hover);
    display: flex;
    flex-direction: column;
}

.prompt-share-menu[hidden] {
    display: none !important;
}

.prompt-share-menu a,
.prompt-share-menu button {
    display: block;
    width: 100%;
    padding: 0.55rem 0.75rem;
    text-align: left;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--p-ink);
    background: transparent;
    border: 0;
    border-radius: 0.55rem;
    cursor: pointer;
    text-decoration: none !important;
    transition: background 0.12s ease;
}

.prompt-share-menu a:hover,
.prompt-share-menu button:hover {
    background: var(--p-soft);
}

.prompt-detail-tag {
    display: inline-flex;
    padding: 0.2rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 650;
    color: var(--p-ink-2);
    background: var(--p-soft);
    border-radius: 999px;
    text-decoration: none !important;
    transition: background 0.15s ease, color 0.15s ease;
}

.prompt-detail-tag:hover {
    color: var(--p-ink);
    background: var(--p-track);
}

.prompt-viewer-title {
    margin: 0;
    font-size: 1.12rem;
    font-weight: 680;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--p-ink);
}

.prompt-box {
    border: 1px solid var(--p-line);
    border-radius: 14px;
    overflow: hidden;
    background: var(--p-surface);
    box-shadow: 0 1px 2px rgba(12, 12, 12, 0.03);
}

.prompt-box-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--p-soft);
    border-bottom: 1px solid var(--p-line);
}

.prompt-box-label {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 650;
    color: var(--p-ink);
}

.prompt-box-label svg {
    opacity: 0.55;
}

.prompt-copy-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.25rem 0.55rem;
    font-size: 0.78rem;
    font-weight: 650;
    color: var(--p-ink-2);
    background: transparent;
    border: 0;
    border-radius: 0.45rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.prompt-copy-link:hover {
    background: var(--p-track);
    color: var(--p-ink);
}

.prompt-copy-link.is-copied {
    color: #16a34a;
}

.prompt-box-body {
    position: relative;
}

.prompt-box-text {
    margin: 0;
    padding: 1rem;
    max-height: 12rem;
    overflow: hidden;
    font-size: 0.8125rem;
    line-height: 1.75;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--p-box-text);
    background: var(--p-box-bg);
}

.prompt-box-text.is-expanded {
    max-height: none;
}

.prompt-box-more {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.4rem;
    border: 0;
    border-top: 1px solid var(--p-line);
    background: linear-gradient(180deg, transparent, var(--p-soft));
    color: var(--p-ink-3);
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.prompt-box-more:hover {
    color: var(--p-ink);
    background: var(--p-soft);
}

.prompt-box-more[hidden] {
    display: none !important;
}

.prompt-box-more svg {
    transition: transform 0.2s ease;
}

.prompt-box-more.is-open svg {
    transform: rotate(180deg);
}

.prompt-related-block {
    margin-top: 0.35rem;
}

.prompt-related-label {
    margin: 0 0 0.85rem;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--p-ink);
}

.prompt-related-grid {
    column-count: 2;
    column-gap: 0.6rem;
}

.prompt-related-item {
    display: block;
    break-inside: avoid;
    margin-bottom: 0.6rem;
    border-radius: 0.7rem;
    overflow: hidden;
    background: var(--p-soft);
    box-shadow: 0 1px 3px rgba(12, 12, 12, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.prompt-related-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(12, 12, 12, 0.1);
}

.prompt-related-item img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: top;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.prompt-related-item:hover img {
    transform: scale(1.035);
}

/* ========== Infinite scroll ========== */
.prompt-infinite {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 3.25rem;
    padding: 0.75rem 0 1.5rem;
    color: var(--p-ink-3);
}

.prompt-infinite--related {
    min-height: 2.5rem;
    padding: 0.55rem 0 0.25rem;
}

.prompt-infinite-spinner {
    width: 1.35rem;
    height: 1.35rem;
    border: 2px solid var(--p-line);
    border-top-color: var(--p-ink-2);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.85);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.prompt-infinite.is-loading .prompt-infinite-spinner {
    opacity: 1;
    transform: scale(1);
    animation: promptSpin 0.7s linear infinite;
}

.prompt-infinite.is-done {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

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

@media (prefers-reduced-motion: reduce) {
    .prompt-infinite.is-loading .prompt-infinite-spinner {
        animation: none;
        opacity: 0.7;
    }
}

.prompt-toast {
    position: fixed;
    left: 50%;
    bottom: 2rem;
    z-index: 9999;
    transform: translateX(-50%) translateY(0.75rem);
    padding: 0.7rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: rgba(12, 12, 12, 0.9);
    border-radius: 999px;
    box-shadow: 0 8px 24px rgba(12, 12, 12, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.prompt-toast.is-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 991.98px) {
    .prompt-viewer-next {
        right: 0.65rem;
    }

    .prompt-viewer-img {
        max-height: 58vh;
        border-radius: 12px;
    }

    .prompt-plaza-hero {
        padding: 1.35rem 1rem 1.25rem;
        border-radius: 14px;
    }

    .prompt-plaza-search {
        max-width: none;
    }
}

/* ─── Dark mode — prompt studio ─── */
.io-black-mode .prompt-plaza-hero {
    background: var(--p-hero);
    border-color: var(--p-line);
}

.io-black-mode .prompt-plaza-hero::before {
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.06), transparent 70%);
}

.io-black-mode .prompt-plaza-title,
.io-black-mode .prompt-plaza-heading,
.io-black-mode .prompt-related-label {
    color: var(--p-ink);
}

.io-black-mode .prompt-plaza-desc,
.io-black-mode .prompt-plaza-sub {
    color: var(--p-ink-2);
}

.io-black-mode .prompt-cat-chip {
    color: var(--p-ink-2);
    background: var(--p-surface);
    border-color: var(--p-line);
    box-shadow: none;
}

.io-black-mode .prompt-cat-chip:hover {
    color: var(--p-ink);
    border-color: var(--p-line-strong);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.io-black-mode .prompt-cat-chip.is-active {
    color: #0c0e12;
    background: var(--p-ink);
    border-color: var(--p-ink);
}

.io-black-mode .prompt-card {
    background: var(--p-surface);
    border-color: var(--p-line);
    box-shadow: var(--p-shadow);
}

.io-black-mode .prompt-card:hover {
    box-shadow: var(--p-shadow-hover);
}

.io-black-mode .findly-ui .main-content > #content.prompt-detail-page,
.io-black-mode #content.prompt-detail-page {
    background: var(--p-page);
}

.io-black-mode .prompt-viewer-media {
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, #1a1e26, var(--p-page) 70%);
}

.io-black-mode .prompt-viewer-side,
.io-black-mode .prompt-meta-panel,
.io-black-mode .prompt-info-card {
    background: var(--p-surface);
    border-color: var(--p-line);
    color: var(--p-ink);
}

.io-black-mode .prompt-viewer-title,
.io-black-mode .prompt-meta-label,
.io-black-mode .prompt-info-title {
    color: var(--p-ink);
}

.io-black-mode .prompt-viewer-desc,
.io-black-mode .prompt-meta-value,
.io-black-mode .prompt-info-desc {
    color: var(--p-ink-2);
}

.io-black-mode .prompt-copy-btn,
.io-black-mode .prompt-share-toggle {
    color: var(--p-ink-2);
}

.io-black-mode .prompt-copy-btn:hover,
.io-black-mode .prompt-share-toggle:hover,
.io-black-mode .prompt-share-toggle[aria-expanded="true"] {
    background: var(--p-soft);
    color: var(--p-ink);
}

.io-black-mode .prompt-box,
.io-black-mode .prompt-box-body {
    background: var(--p-box-bg);
    border-color: var(--p-line);
}

.io-black-mode .prompt-box-text {
    color: var(--p-box-text);
    background: var(--p-box-bg);
}

.io-black-mode .prompt-box-more {
    border-top-color: var(--p-line);
    background: linear-gradient(180deg, rgba(20, 23, 29, 0.2), var(--p-soft));
    color: var(--p-ink-3);
}

.io-black-mode .prompt-box-more:hover {
    color: var(--p-ink);
    background: var(--p-soft);
}

.io-black-mode .prompt-copy-link:hover {
    background: var(--p-track);
    color: var(--p-ink);
}

.io-black-mode .prompt-related-item {
    background: var(--p-soft);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.io-black-mode .prompt-related-item:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.io-black-mode .prompt-plaza-search input,
.io-black-mode .prompt-search-input {
    color: var(--p-ink) !important;
    background: var(--p-soft) !important;
    border-color: var(--p-line) !important;
}

.io-black-mode .prompt-plaza-search input::placeholder {
    color: var(--p-ink-3);
}

.io-black-mode .prompt-toast {
    background: rgba(240, 241, 243, 0.92);
    color: #0c0e12;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
}

.io-black-mode .prompt-viewer-nav,
.io-black-mode .prompt-viewer-tool {
    background: rgba(20, 23, 29, 0.72);
    color: var(--p-ink);
    border-color: var(--p-line);
    backdrop-filter: blur(8px);
}

.io-black-mode .prompt-viewer-nav:hover,
.io-black-mode .prompt-viewer-tool:hover {
    background: rgba(30, 34, 42, 0.9);
    color: #fff;
}

.io-black-mode .prompt-tag,
.io-black-mode .prompt-chip {
    color: var(--p-ink-2);
    background: var(--p-soft);
    border-color: var(--p-line);
}