:root {
    color-scheme: light dark;
    --header-bg: #25292e;
    --header-fg: #f0f6fc;
    --canvas: #ffffff;
    --canvas-subtle: #f6f8fa;
    --canvas-inset: #eff2f5;
    --fg-default: #1f2328;
    --fg-muted: #59636e;
    --fg-subtle: #818b98;
    --border: #d1d9e0;
    --border-muted: #d8dee4;
    --accent: #0969da;
    --accent-muted: #ddf4ff;
    --success: #1f883d;
    --success-hover: #1a7f37;
    --success-muted: #dafbe1;
    --danger: #cf222e;
    --danger-muted: #ffebe9;
    --attention: #9a6700;
    --attention-muted: #fff8c5;
    --shadow-small: 0 1px 0 rgba(31, 35, 40, 0.04);
    --shadow-medium: 0 3px 6px rgba(140, 149, 159, 0.15);
    --radius: 6px;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    background: var(--canvas);
    color: var(--fg-default);
    font: 14px/1.5 var(--font-sans);
}

button,
input,
select {
    font: inherit;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code,
kbd,
pre {
    font-family: var(--font-mono);
}

.page-width {
    width: min(100% - 48px, 1400px);
    margin-inline: auto;
}

.site-header {
    background: var(--header-bg);
    color: var(--header-fg);
}

.site-header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    max-width: 100%;
    min-height: 64px;
    padding: 12px 24px;
}

.brand-mark {
    display: grid;
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    place-items: center;
    color: var(--header-fg);
    font-size: 32px;
}

.brand-mark:hover {
    color: #ffffff;
    text-decoration: none;
}

.site-search {
    display: flex;
    align-items: center;
    width: min(350px, 42vw);
    height: 32px;
    gap: 8px;
    padding: 0 8px;
    border: 1px solid #57606a;
    border-radius: var(--radius);
    color: #b7bdc5;
    font-size: 12px;
}

.site-search span {
    flex: 1;
}

.site-search kbd {
    display: grid;
    width: 18px;
    height: 18px;
    place-items: center;
    border: 1px solid #6e7781;
    border-radius: 4px;
    color: #d0d7de;
}

.site-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.header-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 32px;
    padding: 0 10px;
    border: 1px solid #57606a;
    border-radius: var(--radius);
    color: #d0d7de;
    font-size: 12px;
    font-weight: 600;
}

.icon-button {
    display: inline-grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 1px solid #57606a;
    border-radius: var(--radius);
    background: transparent;
    color: var(--header-fg);
    cursor: pointer;
}

.icon-button:hover {
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
}

.icon-button.light {
    border-color: var(--border);
    color: var(--fg-muted);
}

.icon-button.light:hover {
    background: var(--canvas-subtle);
    color: var(--fg-default);
}

.repo-header {
    background: var(--canvas-subtle);
    border-bottom: 1px solid var(--border);
}

.repo-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 20px 0 12px;
}

.repo-identity {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 8px;
}

.repo-icon {
    color: var(--fg-muted);
    font-size: 18px;
}

.repo-identity h1 {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 5px;
    font-size: 20px;
    font-weight: 400;
    line-height: 1.3;
}

.repo-identity h1 strong {
    overflow: hidden;
    text-overflow: ellipsis;
}

.visibility-badge,
.counter,
.status-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 2em;
    color: var(--fg-muted);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.visibility-badge {
    padding: 0 7px;
}

.counter {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border: 0;
    background: var(--canvas-inset);
}

.repo-nav {
    display: flex;
    gap: 4px;
    margin-left: -8px;
    overflow-x: auto;
}

.repo-nav a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px 11px;
    border-radius: var(--radius);
    color: var(--fg-default);
    font-weight: 500;
    white-space: nowrap;
}

.repo-nav a:hover {
    background: var(--canvas-inset);
    text-decoration: none;
}

.repo-nav a.active::after {
    position: absolute;
    right: 8px;
    bottom: -1px;
    left: 8px;
    height: 2px;
    border-radius: 2px;
    background: #fd8c73;
    content: "";
}

.page-main {
    padding-top: 24px;
    padding-bottom: 32px;
}

.notice-banner {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
    padding: 16px;
    border: 1px solid #d4a72c66;
    border-radius: var(--radius);
    background: var(--attention-muted);
}

.notice-icon {
    margin-top: 2px;
    color: var(--attention);
    font-size: 16px;
}

.notice-banner h2 {
    margin-bottom: 2px;
    font-size: 14px;
    font-weight: 600;
}

.notice-banner p {
    color: var(--fg-muted);
    font-size: 13px;
}

.workspace-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
    align-items: start;
    gap: 24px;
}

.config-column,
.preview-column {
    display: grid;
    min-width: 0;
    gap: 16px;
}

.preview-column {
    position: sticky;
    top: 16px;
}

.box {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--canvas);
    box-shadow: var(--shadow-small);
}

.box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    background: var(--canvas-subtle);
}

.box-header h2 {
    font-size: 14px;
    font-weight: 600;
}

.box-header p {
    margin-top: 2px;
    color: var(--fg-muted);
    font-size: 12px;
}

.status-label {
    gap: 6px;
    padding: 3px 8px;
    border-color: #2da44e66;
    background: var(--success-muted);
    color: var(--success);
    font-weight: 600;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
}

.box-body {
    padding: 20px;
}

.form-group {
    min-width: 0;
    margin-bottom: 18px;
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-group label,
.field-label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 600;
}

.required {
    color: var(--danger);
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
select {
    width: 100%;
    height: 34px;
    padding: 5px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    background: var(--canvas);
    color: var(--fg-default);
    box-shadow: inset 0 1px 0 rgba(208, 215, 222, 0.2);
}

input::placeholder {
    color: var(--fg-subtle);
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
    border-color: #0969da;
    outline: 2px solid #0969da66;
    outline-offset: -1px;
}

input[aria-invalid="true"] {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px #cf222e26;
}

.form-note {
    margin-top: 6px;
    color: var(--fg-muted);
    font-size: 12px;
}

.form-note code,
.markdown-body code {
    padding: 2px 5px;
    border-radius: 4px;
    background: var(--canvas-inset);
    font-size: 0.9em;
}

.input-suffix {
    display: flex;
}

.input-suffix input {
    border-radius: var(--radius) 0 0 var(--radius);
}

.input-suffix span {
    display: grid;
    min-width: 46px;
    place-items: center;
    border: 1px solid var(--border);
    border-left: 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    background: var(--canvas-subtle);
    color: var(--fg-muted);
    font-size: 12px;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--border-muted);
    border-radius: var(--radius);
    background: var(--canvas-subtle);
    cursor: pointer;
}

.checkbox-row input {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--accent);
}

.checkbox-row strong,
.checkbox-row small {
    display: block;
}

.checkbox-row strong {
    font-size: 13px;
}

.checkbox-row small {
    margin-top: 2px;
    color: var(--fg-muted);
}

.btn {
    display: inline-flex;
    min-height: 32px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 5px 12px;
    border: 1px solid rgba(31, 35, 40, 0.15);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
    line-height: 20px;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.btn:hover {
    text-decoration: none;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.btn-default {
    background: var(--canvas-subtle);
    color: var(--fg-default);
    box-shadow: var(--shadow-small);
}

.btn-default:hover {
    background: var(--canvas-inset);
}

.btn-primary {
    border-color: rgba(31, 35, 40, 0.15);
    background: var(--success);
    color: #ffffff;
    box-shadow: var(--shadow-small);
}

.btn-primary:hover {
    background: var(--success-hover);
}

.btn-large {
    min-height: 36px;
    padding: 7px 16px;
    font-size: 13px;
}

.tasks-body {
    padding: 0;
}

.tasks-container:not(:empty) {
    padding: 16px;
}

.task-item {
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.task-item:last-child {
    margin-bottom: 0;
}

.task-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-muted);
    background: var(--canvas-subtle);
}

.task-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
}

.task-title i {
    color: var(--success);
}

.btn-remove-task {
    border: 0;
    background: transparent;
    color: var(--danger);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.btn-remove-task:hover {
    text-decoration: underline;
}

.task-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 14px;
}

.task-fields .form-group {
    margin: 0;
}

.task-fields .span-2 {
    grid-column: 1 / -1;
}

.filter-divider {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--fg-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.filter-divider::after {
    flex: 1;
    height: 1px;
    background: var(--border-muted);
    content: "";
}

.empty-state {
    display: flex;
    min-height: 250px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
    text-align: center;
}

.empty-icon {
    display: grid;
    width: 48px;
    height: 48px;
    margin-bottom: 12px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: var(--canvas-subtle);
    color: var(--fg-muted);
    font-size: 18px;
}

.empty-state h3 {
    font-size: 15px;
}

.empty-state p {
    margin: 4px 0 16px;
    color: var(--fg-muted);
    font-size: 12px;
}

.code-box {
    min-height: 650px;
}

.code-box-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
    padding: 0 10px 0 4px;
    border-bottom: 1px solid var(--border);
    background: var(--canvas-subtle);
}

.preview-tabs {
    display: flex;
    min-width: 0;
    align-self: stretch;
    overflow-x: auto;
}

.tab-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 12px;
    border: 0;
    background: transparent;
    color: var(--fg-muted);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
}

.tab-btn:hover {
    color: var(--fg-default);
}

.tab-btn.active {
    color: var(--fg-default);
    font-weight: 600;
}

.tab-btn.active::after {
    position: absolute;
    right: 10px;
    bottom: -1px;
    left: 10px;
    height: 2px;
    border-radius: 2px;
    background: #fd8c73;
    content: "";
}

.preview-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 6px;
}

.code-body {
    height: 600px;
    background: var(--canvas);
}

.tab-content {
    display: none;
    height: 100%;
}

.tab-content.active {
    display: block;
}

.tab-content pre {
    height: 100%;
    overflow: auto;
    padding: 16px;
    background: var(--canvas);
    tab-size: 4;
}

.tab-content pre code {
    color: var(--fg-default);
    font-size: 12px;
    line-height: 1.55;
    white-space: pre;
}

.guide-content {
    overflow: auto;
}

.markdown-body {
    max-width: 720px;
    padding: 24px;
}

.markdown-body h2 {
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-muted);
    font-size: 20px;
}

.markdown-body h3 {
    margin: 20px 0 8px;
    font-size: 15px;
}

.markdown-body p {
    margin: 8px 0;
    color: var(--fg-muted);
}

.markdown-body pre {
    height: auto;
    margin: 10px 0;
    padding: 12px;
    border-radius: var(--radius);
    background: var(--canvas-subtle);
}

.download-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--canvas-subtle);
}

.download-panel strong,
.download-panel span {
    display: block;
}

.download-panel strong {
    font-size: 13px;
}

.download-panel span {
    margin-top: 2px;
    color: var(--fg-muted);
    font-size: 11px;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    min-height: 100px;
    border-top: 1px solid var(--border-muted);
    color: var(--fg-muted);
    font-size: 12px;
}

.site-footer > i {
    color: var(--fg-subtle);
    font-size: 22px;
}

@media (max-width: 1080px) {
    .workspace-grid {
        grid-template-columns: 1fr;
    }

    .preview-column {
        position: static;
    }

    .code-box {
        min-height: 560px;
    }

    .code-body {
        height: 510px;
    }
}

@media (max-width: 680px) {
    .page-width {
        width: min(100% - 24px, 1400px);
    }

    .site-header-inner {
        min-height: 56px;
        padding: 8px 12px;
    }

    .site-search,
    .header-pill {
        display: none;
    }

    .brand-mark {
        width: 36px;
        height: 36px;
        font-size: 28px;
    }

    .repo-title-row {
        padding-top: 16px;
    }

    .repo-title-row > .btn {
        display: none;
    }

    .repo-identity h1 {
        font-size: 17px;
    }

    .visibility-badge {
        display: none;
    }

    .page-main {
        padding-top: 16px;
    }

    .workspace-grid {
        gap: 16px;
    }

    .form-row,
    .task-fields {
        grid-template-columns: 1fr;
    }

    .task-fields .span-2,
    .filter-divider {
        grid-column: auto;
    }

    .box-header {
        align-items: flex-start;
    }

    .box-header p,
    .status-label {
        display: none;
    }

    .box-body {
        padding: 16px;
    }

    .code-box-header {
        align-items: stretch;
        padding-right: 6px;
    }

    .tab-btn {
        padding-inline: 9px;
    }

    .tab-btn i {
        display: none;
    }

    .code-body {
        height: 460px;
    }

    .download-panel {
        align-items: stretch;
        flex-direction: column;
    }

    .site-footer {
        flex-wrap: wrap;
        gap: 8px 14px;
        padding: 24px 0;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --header-bg: #010409;
        --header-fg: #f0f6fc;
        --canvas: #0d1117;
        --canvas-subtle: #151b23;
        --canvas-inset: #212830;
        --fg-default: #f0f6fc;
        --fg-muted: #9198a1;
        --fg-subtle: #656c76;
        --border: #3d444d;
        --border-muted: #3d444d;
        --accent: #4493f8;
        --accent-muted: #121d2f;
        --success: #3fb950;
        --success-hover: #29903b;
        --success-muted: #12261e;
        --danger: #f85149;
        --danger-muted: #3c1618;
        --attention: #d29922;
        --attention-muted: #2e260f;
        --shadow-small: 0 0 transparent;
        --shadow-medium: 0 3px 6px #010409;
    }

    .btn {
        border-color: #f0f6fc1a;
    }

    .btn-primary {
        color: #ffffff;
    }

    input[type="text"],
    input[type="password"],
    input[type="url"],
    input[type="number"],
    select {
        box-shadow: inset 0 0 0 1px transparent;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}