/* 绘画模块 —— 仿桌面画图工具栏 + 展廊 */

:root {
    --pt-ink: #1c1c1c;
    --pt-muted: #6b6b6b;
    --pt-line: #d8d8d8;
    --pt-panel: #f0f0f0;
    --pt-panel-deep: #e4e4e4;
    --pt-canvas: #ffffff;
    --pt-accent: #2f6fed;
    --pt-accent-hover: #1f5ad6;
    --pt-danger: #c0392b;
    --pt-radius: 4px;
    --pt-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

body:has(.paint-page) {
    background-color: #f5f2e9;
    background-image: url("../img/paint_bg.jpg");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 100% 100%;
    background-attachment: fixed;
}

.paint-page {
    min-height: calc(100vh - var(--site-header-h, 64px) - var(--site-footer-h, 74px));
    min-height: calc(100dvh - var(--site-header-h, 64px) - var(--site-footer-h, 74px));
    background: transparent;
    color: var(--pt-ink);
    padding-bottom: 64px;
}

.paint-hero {
    padding: 36px 0 28px;
    background: transparent;
}

.paint-hero-title {
    margin: 0 0 8px;
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.paint-hero-desc {
    margin: 0 0 18px;
    color: var(--pt-muted);
    font-size: 14px;
}

.paint-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.paint-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border: 1px solid transparent;
    border-radius: var(--pt-radius);
    font-size: 14px;
    line-height: 1.4;
    cursor: pointer;
    text-decoration: none;
    background: var(--pt-panel);
    color: var(--pt-ink);
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.paint-btn:hover,
.paint-btn:focus {
    text-decoration: none;
    color: var(--pt-ink);
}

.paint-btn-primary {
    background: var(--pt-accent);
    border-color: var(--pt-accent);
    color: #fff;
}

.paint-btn-primary:hover,
.paint-btn-primary:focus {
    background: var(--pt-accent-hover);
    border-color: var(--pt-accent-hover);
    color: #fff;
}

.paint-btn-ghost {
    background: #fff;
    border-color: var(--pt-line);
}

.paint-btn-ghost:hover {
    background: var(--pt-panel);
}

.paint-btn-sm {
    padding: 5px 12px;
    font-size: 13px;
}

.paint-body {
    padding-top: 24px;
}

.paint-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.paint-search-input {
    flex: 1;
    max-width: 320px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius);
}

.paint-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
}

.paint-card {
    background: #fff;
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--pt-shadow);
}

.paint-card-cover {
    display: block;
    height: 160px;
    background: var(--pt-panel) center/cover no-repeat;
}

.paint-card-body {
    padding: 12px 14px 14px;
}

.paint-card-title {
    margin: 0 0 6px;
    font-size: 16px;
    line-height: 1.35;
}

.paint-card-title a {
    color: var(--pt-ink);
}

.paint-card-desc {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--pt-muted);
    line-height: 1.45;
}

.paint-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12px;
    color: var(--pt-muted);
}

.paint-card-author {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--pt-muted);
}

.paint-card-author img {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
}

.paint-empty {
    padding: 48px 16px;
    text-align: center;
    color: var(--pt-muted);
}

.paint-pager {
    margin-top: 24px;
    text-align: center;
}

/* detail */
.paint-detail-wrap {
    padding: 28px 0 40px;
}

.paint-detail-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.paint-detail-title {
    margin: 0 0 8px;
    font-size: 24px;
}

.paint-detail-desc {
    margin: 0;
    color: var(--pt-muted);
    white-space: pre-wrap;
}

.paint-chip {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 3px;
    background: #e8f0fe;
    color: var(--pt-accent);
}

.paint-chip-lock {
    background: #f0f0f0;
    color: var(--pt-muted);
}

.paint-detail-author {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--pt-muted);
}

.paint-detail-author a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--pt-ink);
}

.paint-detail-author img {
    width: 28px;
    height: 28px;
    border-radius: 50%;
}

.paint-detail-canvas {
    background: var(--pt-panel);
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    padding: 12px;
    text-align: center;
    overflow: auto;
}

.paint-detail-canvas img {
    max-width: 100%;
    height: auto;
    background: #fff;
    box-shadow: var(--pt-shadow);
}

.paint-detail-actions {
    display: flex;
    gap: 10px;
    margin-top: 18px;
}

.paint-engage-wrap {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--pt-line);
}

/* mine */
.paint-mine-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
}

.paint-mine-sub {
    margin: 6px 0 0;
    color: var(--pt-muted);
    font-size: 13px;
}

.paint-stats {
    display: flex;
    gap: 8px;
    margin-bottom: 18px;
}

.paint-stat {
    flex: 1;
    text-align: center;
    padding: 10px 8px;
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius);
    color: var(--pt-muted);
    background: #fff;
}

.paint-stat strong {
    display: block;
    font-size: 18px;
    color: var(--pt-ink);
}

.paint-stat.is-active {
    border-color: var(--pt-accent);
    background: #f3f7ff;
}

.paint-mine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.paint-mine-card {
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    overflow: hidden;
    background: #fff;
}

.paint-mine-cover {
    display: block;
    height: 120px;
    background: var(--pt-panel) center/cover no-repeat;
}

.paint-mine-main {
    padding: 10px 12px 12px;
}

.paint-mine-main h3 {
    margin: 0 0 6px;
    font-size: 14px;
    line-height: 1.35;
}

.paint-mine-badges {
    margin-bottom: 8px;
}

.paint-mine-ops {
    display: flex;
    gap: 6px;
}

/* editor — 占满顶栏以下视口，隐藏页脚，避免双滚动 / 底部空白 */
body:has(.paint-editor-page) {
    overflow: hidden;
    height: 100%;
    height: 100dvh;
}

body:has(.paint-editor-page) .site-header {
    position: fixed !important;
    top: 0 !important;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 200;
}

body:has(.paint-editor-page) footer.footer,
body:has(.paint-editor-page) .footer {
    display: none !important;
}

body:has(.paint-editor-page) main.content {
    position: fixed;
    top: var(--site-header-h, 64px);
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    height: auto !important;
    overflow: hidden;
}

.paint-editor-page {
    margin: 0;
    background: #c8c8c8;
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.paint-editor-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 12px;
    background: var(--pt-panel);
    border-bottom: 1px solid var(--pt-line);
}

.paint-editor-bar-left,
.paint-editor-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.paint-editor-brand {
    font-weight: 700;
    font-size: 15px;
}

.paint-size-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    background: #e8e8e8;
    color: var(--pt-muted);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.paint-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 16px;
    padding: 8px 12px;
    background: var(--pt-panel-deep);
    border-bottom: 1px solid var(--pt-line);
}

.paint-tool-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
}

.paint-tool {
    min-width: 44px;
    padding: 5px 10px;
    border: 1px solid var(--pt-line);
    border-radius: 3px;
    background: #fff;
    font-size: 12px;
    cursor: pointer;
    color: var(--pt-ink);
}

.paint-tool:hover {
    background: #fafafa;
}

.paint-tool.is-active {
    border-color: var(--pt-accent);
    background: #e8f0fe;
    color: var(--pt-accent);
    font-weight: 600;
}

.paint-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--pt-muted);
    margin: 0;
}

.paint-label input[type="color"] {
    width: 32px;
    height: 28px;
    padding: 0;
    border: 1px solid var(--pt-line);
    background: #fff;
    cursor: pointer;
}

.paint-label input[type="range"] {
    width: 100px;
    vertical-align: middle;
}

.paint-mosaic-opt[hidden] {
    display: none !important;
}

/* sticker / filter floating panels */
.paint-sticker-panel,
.paint-filter-panel {
    position: absolute;
    z-index: 40;
    top: 108px;
    left: 12px;
    width: min(360px, calc(100% - 24px));
    max-height: min(420px, calc(100% - 140px));
    overflow: auto;
    background: #fff;
    border: 1px solid var(--pt-line);
    border-radius: 8px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
    padding: 10px 12px 12px;
}

.paint-filter-panel {
    left: auto;
    right: 12px;
}

.paint-sticker-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

.paint-panel-close {
    border: 0;
    background: transparent;
    font-size: 20px;
    line-height: 1;
    color: var(--pt-muted);
    cursor: pointer;
    padding: 0 4px;
}

.paint-sticker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.paint-sticker-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    background: #fafafa;
    cursor: pointer;
}

.paint-sticker-item:hover {
    border-color: var(--pt-accent);
    background: #eef4ff;
}

.paint-sticker-item img {
    display: block;
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.paint-sticker-upload {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--pt-line);
}

.paint-sticker-hint,
.paint-filter-hint,
.paint-size-desc {
    margin: 0;
    font-size: 12px;
    color: var(--pt-muted);
    line-height: 1.4;
}

.paint-filter-hint {
    margin-bottom: 10px;
}

.paint-filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.paint-filter-btn {
    padding: 8px 6px;
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    background: #fafafa;
    font-size: 12px;
    cursor: pointer;
    color: var(--pt-ink);
}

.paint-filter-btn:hover {
    border-color: var(--pt-accent);
    background: #eef4ff;
    color: var(--pt-accent);
}

.paint-size-desc {
    margin-bottom: 12px;
}

.paint-size-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}

.paint-size-preset {
    padding: 10px 6px;
    border: 1px solid var(--pt-line);
    border-radius: 6px;
    background: #fafafa;
    font-size: 13px;
    line-height: 1.35;
    cursor: pointer;
    color: var(--pt-ink);
}

.paint-size-preset small {
    color: var(--pt-muted);
    font-size: 11px;
}

.paint-size-preset:hover {
    border-color: var(--pt-accent);
}

.paint-size-preset.is-active {
    border-color: var(--pt-accent);
    background: #e8f0fe;
    font-weight: 600;
}

.paint-size-custom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--pt-muted);
}

.paint-size-custom label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    font-weight: normal;
}

.paint-size-custom input[type="number"] {
    width: 84px;
    padding: 6px 8px;
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius);
    font-size: 14px;
    color: var(--pt-ink);
}

.paint-size-panel {
    max-width: 460px;
}

.paint-size-unit {
    color: var(--pt-muted);
}

.paint-stage-wrap {
    flex: 1;
    min-height: 0;
    overflow: hidden;
    padding: 0;
    position: relative;
    background: #c8c8c8;
}

.paint-stage {
    position: absolute;
    inset: 0;
    background: transparent;
    box-shadow: none;
    line-height: 0;
    touch-action: none;
}

.paint-stage canvas {
    display: block;
}

/* modal */
.paint-modal[hidden] {
    display: none !important;
}

.paint-modal {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.paint-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.paint-modal-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 8px;
    padding: 20px 22px 18px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.paint-modal-panel h3 {
    margin: 0 0 16px;
    font-size: 18px;
}

.paint-form-row {
    margin-bottom: 14px;
}

.paint-form-row label,
.paint-form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    color: var(--pt-muted);
}

.paint-form-row .req {
    color: var(--pt-danger);
}

.paint-form-row input[type="text"],
.paint-form-row textarea {
    width: 100%;
    border: 1px solid var(--pt-line);
    border-radius: var(--pt-radius);
    padding: 8px 10px;
    font-size: 14px;
}

.paint-radio {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-right: 14px;
    font-size: 14px;
    color: var(--pt-ink);
    cursor: pointer;
}

.paint-modal-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 8px;
}

.paint-modal-actions .paint-btn-as-new {
    margin-right: auto;
}

@media (max-width: 767px) {
    .paint-toolbar {
        gap: 8px;
    }

    .paint-stage-wrap {
        padding: 0;
    }

    .paint-hero-title {
        font-size: 22px;
    }

    .paint-sticker-panel,
    .paint-filter-panel {
        top: auto;
        bottom: 12px;
        left: 8px;
        right: 8px;
        width: auto;
        max-height: 46vh;
    }

    .paint-filter-panel {
        right: 8px;
    }

    .paint-size-presets {
        grid-template-columns: repeat(2, 1fr);
    }

    .paint-modal-actions {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .paint-modal-actions .paint-btn-as-new {
        margin-right: 0;
    }
}