/* README 生成器 · 代码仓库编辑器设计系统（前缀 rdg-）
   浅色：GitHub 灰白 + 墨黑 + 终端绿；深色：深仓库底 + 亮字 + 亮绿 */
.rdg-page, .rdg-modal, .ws-toast {
    --rdg-bg: #f6f8fa; --rdg-paper: #ffffff; --rdg-ink: #24292f; --rdg-sub: #6b7684;
    --rdg-brand: #0969da; --rdg-green: #1f883d; --rdg-line: #d8dee4; --rdg-fill: #f2f5f8;
    --rdg-code: #eff2f5; --rdg-shadow: 0 8px 24px rgba(36,41,47,.08);
    --rdg-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    --rdg-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
:root[data-theme="dark"] .rdg-page, :root[data-theme="dark"] .rdg-modal, :root[data-theme="dark"] .ws-toast {
    --rdg-bg: #0d1117; --rdg-paper: #161b22; --rdg-ink: #e6edf3; --rdg-sub: #9aa7b4;
    --rdg-brand: #58a6ff; --rdg-green: #3fb950; --rdg-line: #30363d; --rdg-fill: #1c2129;
    --rdg-code: #21262d; --rdg-shadow: 0 12px 30px rgba(0,0,0,.4);
}
.rdg-page { background: var(--rdg-bg); color: var(--rdg-ink); font-family: var(--rdg-font);
    font-size: 14.5px; line-height: 1.75; padding-bottom: 56px; }
.rdg-wrap { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.rdg-page .detail-breadcrumb { padding: 18px 0 0; font-size: 13px; color: var(--rdg-sub); }
.rdg-page .detail-breadcrumb a { color: var(--rdg-brand); text-decoration: none; }
.rdg-page .detail-breadcrumb .sep { margin: 0 8px; }
.rdg-page b { font-weight: 700; }
.rdg-kicker { font: 11px var(--rdg-mono); letter-spacing: .08em; color: var(--rdg-green); }

/* 首屏 */
.rdg-hero { display: grid; grid-template-columns: 1.6fr .5fr; gap: 20px; margin: 22px 0 22px; }
.rdg-hero-copy { background: var(--rdg-paper); border: 1px solid var(--rdg-line); border-radius: 8px;
    padding: 28px 30px; box-shadow: var(--rdg-shadow); border-top: 4px solid var(--rdg-green); }
.rdg-hero h1 { font-size: clamp(24px, 2.9vw, 34px); line-height: 1.35; margin: 10px 0 8px; }
.rdg-sub { font-size: 14px; line-height: 1.95; color: var(--rdg-sub); margin: 0 0 18px; max-width: 700px; }
.rdg-sub b { color: var(--rdg-brand); }
.rdg-page input, .rdg-page select, .rdg-page textarea { font: inherit; color: var(--rdg-ink); background: var(--rdg-paper);
    border: 1px solid var(--rdg-line); border-radius: 6px; padding: 9px 11px; outline: none; box-sizing: border-box; }
.rdg-page input:focus, .rdg-page select:focus, .rdg-page textarea:focus { border-color: var(--rdg-brand); box-shadow: 0 0 0 3px rgba(9,105,218,.12); }
.rdg-field { display: flex; flex-direction: column; gap: 5px; font-size: 11.5px; color: var(--rdg-sub); }
.rdg-hero-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.rdg-hero-form .rdg-field { flex: 1 1 200px; }
.rdg-hero-form .rdg-field:nth-child(2) { flex: 0 1 160px; }
.rdg-btn { font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; border: 1px solid var(--rdg-line);
    background: var(--rdg-paper); color: var(--rdg-ink); border-radius: 6px; padding: 9px 15px; white-space: nowrap; }
.rdg-btn:hover { border-color: var(--rdg-brand); }
.rdg-btn--main { background: var(--rdg-green); border-color: var(--rdg-green); color: #fff; }
.rdg-btn--main:hover { filter: brightness(1.1); }
.rdg-hero-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 14px; font: 11.5px var(--rdg-mono); color: var(--rdg-sub); }
.rdg-tree { background: var(--rdg-paper); border: 1px solid var(--rdg-line); border-radius: 8px;
    padding: 14px 16px; font: 12px var(--rdg-mono); box-shadow: var(--rdg-shadow); align-self: stretch; }
.rdg-tree-h { font-size: 10px; letter-spacing: .12em; color: var(--rdg-sub); border-bottom: 1px solid var(--rdg-line); padding-bottom: 8px; }
.rdg-tree ul { list-style: none; padding: 0; margin: 12px 0; line-height: 2.1; color: var(--rdg-sub); }
.rdg-tree li.is-dir { color: var(--rdg-ink); font-weight: 700; }
.rdg-tree li.is-on { background: var(--rdg-fill); color: var(--rdg-brand); border-radius: 3px; padding-left: 4px; }
.rdg-tree-foot { font-size: 10.5px; color: var(--rdg-sub); border-top: 1px dashed var(--rdg-line); padding-top: 8px; }

/* 双栏：表单 / 预览 */
.rdg-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.rdg-editor, .rdg-preview, .rdg-panel { background: var(--rdg-paper); border: 1px solid var(--rdg-line);
    border-radius: 8px; box-shadow: var(--rdg-shadow); min-width: 0; }
.rdg-editor, .rdg-preview { padding: 16px 18px 20px; }
.rdg-panel-h { display: flex; justify-content: space-between; align-items: baseline; gap: 10px;
    border-bottom: 1px solid var(--rdg-line); padding-bottom: 10px; margin-bottom: 14px; }
.rdg-panel-h b { font-size: 15.5px; }
.rdg-panel-h span { font-size: 11px; color: var(--rdg-sub); }
.rdg-mods { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.rdg-mod { font: 11.5px var(--rdg-mono); cursor: pointer; border: 1px solid var(--rdg-line);
    background: var(--rdg-fill); color: var(--rdg-sub); border-radius: 4px; padding: 4px 9px; }
.rdg-mod.is-on { background: var(--rdg-brand); border-color: var(--rdg-brand); color: #fff; }
.rdg-editor .rdg-field { margin-bottom: 11px; }
.rdg-editor textarea { width: 100%; resize: vertical; font: 12.5px var(--rdg-mono); }
.rdg-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.rdg-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rdg-line); margin-bottom: 12px; }
.rdg-tab { font: inherit; font-size: 12px; cursor: pointer; padding: 7px 12px; border: 0; border-bottom: 2px solid transparent;
    background: none; color: var(--rdg-sub); }
.rdg-tab.is-on { color: var(--rdg-brand); border-bottom-color: var(--rdg-brand); font-weight: 700; }
.rdg-md { font-size: 13.5px; line-height: 1.9; min-height: 380px; max-height: 620px; overflow-y: auto; word-break: break-word; }
.rdg-md h1, .rdg-md .rdg-h1 { font-size: 24px; font-weight: 700; border-bottom: 1px solid var(--rdg-line); padding-bottom: 8px; margin: 0 0 12px; }
.rdg-md h2 { font-size: 18px; border-bottom: 1px solid var(--rdg-line); padding-bottom: 6px; margin: 22px 0 10px; }
.rdg-md p { margin: 8px 0; }
.rdg-md ul { padding-left: 22px; }
.rdg-md li { margin: 3px 0; }
.rdg-md blockquote { margin: 10px 0; padding: 2px 12px; border-left: 3px solid var(--rdg-line); color: var(--rdg-sub); }
.rdg-md pre { background: var(--rdg-code); border-radius: 6px; padding: 12px; overflow-x: auto;
    font: 12px var(--rdg-mono); line-height: 1.7; }
.rdg-md code { background: var(--rdg-code); border-radius: 3px; padding: 1px 5px; font: 12px var(--rdg-mono); }
.rdg-md pre code { background: none; padding: 0; }
.rdg-md a { color: var(--rdg-brand); }
.rdg-md hr { border: 0; border-top: 1px solid var(--rdg-line); }
.rdg-src { background: var(--rdg-code); border-radius: 6px; padding: 14px; min-height: 380px; max-height: 620px;
    overflow: auto; white-space: pre-wrap; word-break: break-all; font: 12px var(--rdg-mono); line-height: 1.75; }
.rdg-src[hidden], .rdg-md[hidden] { display: none !important; }
.rdg-panel { padding: 18px 20px; margin-top: 18px; }
.rdg-btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.rdg-panel textarea { width: 100%; resize: vertical; font: 12px var(--rdg-mono); margin-top: 12px; }
.rdg-err { color: #cf4b4b; font-size: 12px; min-height: 18px; }
.rdg-hint { font-size: 11.5px; color: var(--rdg-sub); line-height: 1.8; margin: 0; }

/* 弹窗：下载后触发 */
.rdg-modal[hidden] { display: none !important; }
.rdg-modal { position: fixed; inset: 0; z-index: 9999; display: flex; align-items: center; justify-content: center;
    background: rgba(13,17,23,.66); padding: 20px; }
.rdg-modal-box { position: relative; width: min(440px, 100%); background: var(--rdg-paper); color: var(--rdg-ink);
    padding: 28px 30px; border-radius: 8px; border-top: 5px solid var(--rdg-green); box-shadow: 0 22px 54px rgba(0,0,0,.34); }
.rdg-modal-x { position: absolute; right: 12px; top: 6px; border: 0; background: none; font-size: 24px; color: var(--rdg-sub); cursor: pointer; }
.rdg-modal-box h2 { margin: 8px 0 10px; font-size: 22px; }
.rdg-modal-box p { font-size: 14px; color: var(--rdg-sub); line-height: 1.9; }
.ws-toast { position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 16px); z-index: 10000;
    background: var(--rdg-ink); color: var(--rdg-paper); padding: 10px 20px; border-radius: 6px;
    font-size: 13px; opacity: 0; pointer-events: none; transition: .25s; }
.ws-toast.is-on { opacity: 1; transform: translate(-50%, 0); }
.ws-toast.is-err { background: #cf4b4b; color: #fff; }

@media (max-width: 1000px) { .rdg-hero, .rdg-layout { grid-template-columns: 1fr; } .rdg-tree { display: none; } }
@media (max-width: 480px) {
    .rdg-wrap { padding: 0 12px; } .rdg-hero-copy, .rdg-editor, .rdg-preview, .rdg-panel { padding: 18px 14px; }
    .rdg-form-row { grid-template-columns: 1fr; } .rdg-hero-form .rdg-field:nth-child(2) { flex: 1 1 100%; }
}

/* dark button contrast fix */
:root[data-theme="dark"] .rdg-btn--main { color: #0c1410; }