/* ============ HTML/CSS/JS 在线运行：cd-* ============
   全部配色使用站点主题变量（--c-*），自动跟随黑夜模式
   ==================================================== */

/* ---------- 外壳 ---------- */
.cd-hero {
    margin: 18px 0 26px;
    padding: 22px;
    background: color-mix(in srgb, var(--c-primary) 4%, var(--c-bg-card));
    border: 1px solid var(--c-border);
    border-radius: 18px;
}
.cd-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}
.cd-brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.cd-logo {
    width: 46px;
    height: 46px;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border-radius: 14px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, .06));
}
.cd-title { font-size: 20px; font-weight: 800; color: var(--c-text); letter-spacing: .3px; }
.cd-tagline { font-size: 13px; color: var(--c-text-sub); margin-top: 2px; }
.cd-privacy {
    font-size: 12px;
    color: var(--c-accent-green, #16a34a);
    background: color-mix(in srgb, var(--c-accent-green, #16a34a) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--c-accent-green, #16a34a) 30%, transparent);
    border-radius: 999px;
    padding: 6px 12px;
    white-space: nowrap;
}

/* ---------- 主区两栏 ---------- */
.cd-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}
@media (max-width: 1080px) {
    .cd-grid { grid-template-columns: 1fr; }
}

/* ---------- 面板 ---------- */
.cd-pane {
    background: var(--c-bg-card);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
}
.cd-pane + .cd-pane { margin-top: 14px; }
.cd-pane-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    padding: 6px 10px;
    background: var(--c-bg-soft);
    border-bottom: 1px solid var(--c-border);
}
.cd-tabs { display: flex; gap: 4px; }
.cd-tab {
    border: 1px solid transparent;
    background: transparent;
    border-radius: 7px;
    padding: 5px 12px;
    font-size: 12.5px;
    color: var(--c-text-sub);
    cursor: pointer;
    font-weight: 600;
}
.cd-tab:hover { color: var(--c-text); }
.cd-tab.active {
    background: var(--c-bg-card);
    border-color: var(--c-border);
    color: var(--c-text);
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, .06));
}
.cd-head-tip { color: var(--c-text-muted); font-size: 11.5px; }

/* ---------- 编辑器容器（分层 / 标签两种模式） ---------- */
.cd-editors { display: flex; flex-direction: column; }
.cd-block { border-top: 1px solid var(--c-border); }
.cd-block:first-child { border-top: 0; }
.cd-block-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: var(--c-bg-soft);
    border-bottom: 1px solid var(--c-border);
    font-size: 12px;
    color: var(--c-text-sub);
}
.cd-block-head b { color: var(--c-text); font-size: 12.5px; font-weight: 700; }
.cd-block-tip { color: var(--c-text-muted); font-size: 11.5px; }
.cd-block-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.cd-dot-html { background: #e34f26; }
.cd-dot-css { background: #2965f1; }
.cd-dot-js { background: #f0db4f; }

/* 分层模式：三个编辑器同时显示，各自高度小一些 */
.cd-mode-stack .cd-code { min-height: 190px; }
/* 标签模式：只显示当前块，隐藏块内标题（顶部已有 tab） */
.cd-mode-tab .cd-block-head { display: none; }
.cd-mode-tab .cd-code { min-height: 420px; }

/* ---------- 代码编辑区 ---------- */
.cd-code {
    display: block;
    width: 100%;
    min-height: 420px;
    border: 0;
    outline: none;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.75;
    color: var(--c-text);
    background: var(--c-bg-soft);
    font-family: ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;
    resize: vertical;
    tab-size: 2;
}
.cd-code::placeholder { color: var(--c-text-muted); }
.cd-code:focus { background: var(--c-bg-soft); }
/* 黑夜模式：显式指定代码区底色，避免过浅 */
:root[data-theme="dark"] .cd-code {
    background: #0b1221;
    color: #e5e7eb;
}
:root[data-theme="dark"] .cd-code::selection { background: rgba(59, 130, 246, .35); }

/* ---------- 预览 ---------- */
.cd-preview-box {
    background: var(--c-bg-soft);
    border-bottom: 1px solid var(--c-border);
    padding: 12px;
    display: flex;
    justify-content: center;
    transition: padding .2s;
}
.cd-preview {
    width: 100%;
    height: 420px;
    border: 1px solid var(--c-border);
    border-radius: 8px;
    background: #fff;
    display: block;
}
.cd-dev-tablet .cd-preview { width: 768px; max-width: 100%; }
.cd-dev-mobile .cd-preview { width: 375px; max-width: 100%; height: 560px; }
:root[data-theme="dark"] .cd-preview { background: #0b1221; }

/* ---------- 控制台 ---------- */
.cd-console-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--c-bg-soft);
    border-bottom: 1px solid var(--c-border);
    font-size: 12px;
    color: var(--c-text-sub);
}
.cd-badge {
    background: var(--c-primary-soft, rgba(37, 99, 235, .1));
    color: var(--c-primary);
    border-radius: 999px;
    padding: 1px 8px;
    font-size: 11.5px;
    font-variant-numeric: tabular-nums;
}
.cd-console-box {
    max-height: 190px;
    overflow-y: auto;
    padding: 6px 0;
    background: var(--c-bg-card);
}
.cd-log {
    display: flex;
    gap: 8px;
    padding: 3px 12px;
    font-size: 12.5px;
    line-height: 1.7;
    font-family: ui-monospace, Consolas, monospace;
    border-bottom: 1px solid var(--c-border);
    word-break: break-word;
}
.cd-log:last-child { border-bottom: 0; }
.cd-log-icon { flex: none; width: 14px; text-align: center; }
.cd-log-text { color: var(--c-text); white-space: pre-wrap; }
.cd-log-error .cd-log-text { color: #ef4444; }
.cd-log-error .cd-log-icon { color: #ef4444; }
.cd-log-warn .cd-log-text { color: #f59e0b; }
.cd-log-warn .cd-log-icon { color: #f59e0b; }
.cd-log-info .cd-log-text { color: var(--c-primary, #2563eb); }
.cd-log-info .cd-log-icon { color: var(--c-primary, #2563eb); }
:root[data-theme="dark"] .cd-log-error .cd-log-text { color: #fca5a5; }
:root[data-theme="dark"] .cd-log-warn .cd-log-text { color: #fcd34d; }
:root[data-theme="dark"] .cd-log-info .cd-log-text { color: #93c5fd; }

/* ---------- 控件 ---------- */
.cd-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 14px;
}
.cd-btn {
    border: 1px solid var(--c-border);
    background: var(--c-bg-card);
    color: var(--c-text);
    padding: 8px 14px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}
.cd-btn:hover { border-color: var(--c-primary); color: var(--c-primary); }
.cd-btn.primary {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
}
.cd-btn.primary:hover { background: var(--c-primary-dark, #1d4ed8); color: #fff; }
.cd-mini {
    border: 1px solid var(--c-border);
    background: var(--c-bg-card);
    color: var(--c-text-sub);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 8px;
    cursor: pointer;
}
.cd-mini:hover { border-color: var(--c-primary); color: var(--c-primary); }
.cd-select {
    border: 1px solid var(--c-border);
    border-radius: 9px;
    padding: 7px 10px;
    font-size: 13px;
    color: var(--c-text);
    background: var(--c-bg-card);
    outline: none;
}
.cd-seg { display: flex; gap: 4px; background: var(--c-bg-soft); border-radius: 10px; padding: 4px; }
.cd-seg-btn {
    border: 0;
    background: transparent;
    padding: 5px 10px;
    font-size: 12.5px;
    color: var(--c-text-sub);
    border-radius: 7px;
    cursor: pointer;
}
.cd-seg-btn.active {
    background: var(--c-bg-card);
    color: var(--c-text);
    font-weight: 600;
    box-shadow: var(--shadow-sm, 0 1px 2px rgba(0, 0, 0, .08));
}
.cd-check {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--c-text-sub);
    font-size: 13px;
    cursor: pointer;
}
.cd-check input { accent-color: var(--c-primary); }

/* ---------- 库 chips ---------- */
.cd-lib-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.cd-lib-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--c-primary-soft, rgba(37, 99, 235, .1));
    color: var(--c-primary);
    border-radius: 999px;
    padding: 3px 6px 3px 10px;
    font-size: 12px;
}
.cd-lib-chip button {
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 12px;
    line-height: 1;
    padding: 0 2px;
    opacity: .7;
}
.cd-lib-chip button:hover { opacity: 1; }
.cd-hint-inline { color: var(--c-text-muted); font-size: 12px; }

/* ---------- 状态 ---------- */
.cd-status { margin-top: 10px; color: var(--c-text-sub); font-size: 13px; }
.cd-status.is-ok { color: var(--c-primary); }
.cd-status.is-warn { color: #ef4444; }
.cd-stats { color: var(--c-text-muted); font-size: 12.5px; font-variant-numeric: tabular-nums; }

/* ---------- 简介块 / 免责 ---------- */
.cd-info-block { margin-bottom: 26px; }
.cd-info-block .detail-icon {
    --icon-bg: linear-gradient(135deg, #f59e0b, #ef4444);
    --icon-shadow: rgba(245, 158, 11, .3);
}
.cd-disclaim {
    margin: 16px 0 0;
    padding: 12px 16px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--c-accent-orange, #f59e0b) 10%, var(--c-bg-card));
    border: 1px solid color-mix(in srgb, var(--c-accent-orange, #f59e0b) 30%, transparent);
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--c-text-sub);
}