/* tools/circuit-sketch/style.css */
.ck-parameter-dialog { max-width: min(440px, 90vw); border: 2px solid var(--color-border); border-radius: 8px; padding: 24px; color: var(--color-text); background: var(--color-surface, var(--color-bg)); }
.ck-parameter-dialog::backdrop { background: color-mix(in srgb, var(--color-text) 35%, transparent); }
.ck-parameter-dialog label { display: block; margin: 14px 0; }
.ck-parameter-dialog input { display: block; width: 100%; margin-top: 6px; }
.ck-parameter-dialog [role="alert"] { color: var(--color-accent); min-height: 1.5em; }
.ck-parameter-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* 页面级：编辑器独占可视区，禁止整页滚动 */
.ck-page, body.ck-page { height: 100vh; overflow: hidden; }
body.ck-page { display: flex; flex-direction: column; }

.tool-desc { color: var(--color-text-secondary); font-size: 0.92rem; margin: 0; line-height: 1.4; }

/* 仅编辑器取消页面限宽；显示配色不写入工程文档 */
.ck-editor {
    max-width: none;
    width: 100%;
    padding: 0;
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    --ck-bg: #fffdf8;
    --ck-ink: #1a1a1a;
    --ck-grid-minor: #d4cfc0;
    --ck-grid-major: #b8b3a3;
}
[data-theme="dark"] .ck-editor {
    --ck-bg: var(--color-bg);
    --ck-ink: var(--color-text);
    --ck-grid-minor: var(--color-bg-grid);
    --ck-grid-major: var(--color-border);
}

/* embed 精简模式：隐藏返回导航 / 标题行 / File 菜单 / 模板区 */
.ck-embed .top-nav { display: none; }
.ck-embed .ck-header-row { display: none; }
.ck-embed .ck-menubar .ck-menu:first-child { display: none; }
.ck-embed .ck-templates, .ck-embed #ckToggleTemplates, .ck-embed [data-action="window-templates"] { display: none; }

/* 紧凑顶部：标题 + 说明 + 菜单 */
.ck-header {
    flex-shrink: 0;
    padding: var(--space-sm) var(--space-md) 0;
}
.ck-header-row {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    margin-bottom: var(--space-xs);
}
.ck-header h1 {
    font-size: 1.5rem;
    margin: 0;
    white-space: nowrap;
}
.ck-header .tool-desc {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
@media (max-width: 900px) {
    .ck-header-row { flex-direction: column; gap: 2px; }
    .ck-header .tool-desc { white-space: normal; }
}

.ck-editor .ck-canvas-card { padding: 0; border: 0; border-radius: 0; box-shadow: none; flex: 1; min-height: 0; display: flex; flex-direction: column; }
.ck-viewport { position: relative; width: 100%; flex: 1; min-height: 0; display: flex; flex-direction: column; }
#ckGridDots circle { fill: var(--ck-grid-minor); }
#ckGridDotsMajor circle { fill: var(--ck-grid-major); }
#layerPreview { pointer-events: none; }

/* ---- 菜单栏 ---- */
.ck-menubar {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    align-items: center;
    position: relative;
    z-index: 50;
    margin-bottom: 0;
    padding: 4px 8px;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
.ck-menubar button {
    font: inherit;
    font-size: 0.85rem;
    color: var(--color-text);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 3px;
    cursor: pointer;
    text-align: left;
}
.ck-menu-trigger { padding: 7px 12px; white-space: nowrap; }
.ck-menu-trigger span { color: var(--color-text-secondary); font-size: 0.75rem; }
.ck-menubar button:hover:not(:disabled),
.ck-menubar button:focus-visible,
.ck-menubar button[aria-expanded="true"] {
    background: var(--color-bg-paper);
    border-color: var(--color-border);
}
.ck-menubar button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.ck-menu-popup {
    position: fixed;
    z-index: 51;
    min-width: min(224px, calc(100vw - 16px));
    max-width: calc(100vw - 16px);
    max-height: calc(100vh - 16px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 5px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border-sketch);
    border-radius: 4px;
    box-shadow: 3px 4px 10px var(--color-shadow);
}
.ck-menu-popup[hidden] { display: none; }
.ck-menu-popup > button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 32px;
    padding: 5px 9px 5px 24px;
    position: relative;
}
.ck-menu-popup > button:disabled { color: var(--color-text-muted); cursor: default; opacity: 0.65; }
.ck-menu-popup > button[aria-checked="true"]::before { content: '✓'; position: absolute; left: 6px; color: var(--color-primary); }
.ck-menu-popup hr { border: 0; border-top: 1px solid var(--color-border); margin: 5px 2px; }
.ck-menu-popup kbd, .ck-menu-arrow { margin-left: auto; white-space: nowrap; color: var(--color-text-muted); }
.ck-menu-popup kbd { font: 0.72rem var(--font-mono); }
.ck-menu-device svg { width: 36px; height: 28px; flex-shrink: 0; }
.ck-menu-note { font-size: 0.75rem; color: var(--color-text-muted); padding: 5px 9px; }
.ck-menu-status { margin-left: auto; padding: 0 8px; font-size: 0.78rem; color: var(--color-text-secondary); }
@media (max-width: 600px) {
    .ck-menu-trigger { padding: 7px 8px; }
    .ck-menu-trigger span { display: none; }
    .ck-menu-status { flex-basis: 100%; margin-left: 0; }
}
#ckCanvas:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }

/* 画布独占整行，面板不参与列宽计算 */
.ck-layout { display: flex; flex: 1; min-height: 0; }
.ck-canvas-col { min-width: 0; flex: 1; display: flex; flex-direction: column; }
.ck-palette {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 196px;
    max-height: calc(100% - 20px);
    margin: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: 20;
}
.ck-palette[hidden], .ck-props[hidden], .ck-templates[hidden], .ck-narrow-btn[hidden] { display: none !important; }
.ck-panel-hd { display: flex; align-items: center; justify-content: space-between; gap: 8px; position: sticky; top: -1px; background: var(--color-card-bg); z-index: 1; }
.ck-panel-hd h3 { margin: 0; color: var(--color-primary); }
.ck-panel-close { border: 0; background: transparent; color: var(--color-text-secondary); font-size: 20px; line-height: 1; padding: 4px 7px; cursor: pointer; }
.ck-panel-close:focus-visible { outline: 2px solid var(--color-primary); }
#ckPropsHd, #ckTemplatesHd { cursor: move; user-select: none; touch-action: none; }
.hint { font-size: 0.82rem; color: var(--color-text-muted); margin-top: var(--space-xs); }

/* 器件面板（可折叠分组 + 器件网格） */
#palList { display: flex; flex-direction: column; gap: 4px; margin-top: var(--space-sm); }
.pal-group-hd {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 3px 2px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    user-select: none;
}
.pal-group-hd:hover { color: var(--color-primary); }
.pal-arrow { display: inline-block; font-size: 0.72rem; transition: transform 0.15s ease; }
.pal-group.collapsed .pal-arrow { transform: rotate(-90deg); }
.pal-count { margin-left: auto; font-size: 0.72rem; color: var(--color-text-muted); }
.pal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin: 4px 0 8px; }
.pal-group.collapsed .pal-grid { display: none; }
/* 绘图辅助组与 razavi 分类的分隔线 */
.pal-aux .pal-group-hd { border-top: 1.5px dashed var(--color-border-sketch); padding-top: 9px; margin-top: 5px; }
.pal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 5px 2px 3px;
    border: 1.5px solid var(--color-border-sketch);
    border-radius: var(--radius-sm);
    background: var(--color-card-bg);
    cursor: grab;
    touch-action: none;
    user-select: none;
    text-align: center;
}
.pal-item:hover { border-color: var(--color-primary); background: rgba(58,90,140,0.05); }
.pal-item.is-pending, .pal-item:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.pal-item svg { flex-shrink: 0; }
.pal-item span { font-size: 0.72rem; line-height: 1.2; color: var(--color-text); }

/* 模板分组（器件面板下方） */
.ck-templates { position: absolute; bottom: 10px; right: 10px; width: 210px; max-height: calc(100% - 20px); margin: 0; padding: 12px; overflow-y: auto; overscroll-behavior: contain; z-index: 20; }
.ck-split-panels .ck-props { max-height: calc(62% - 15px); }
.ck-split-panels .ck-templates { max-height: calc(38% - 15px); }
.ck-tpl-list { display: flex; flex-direction: column; gap: 6px; margin-top: var(--space-xs); }
.ck-tpl-list .btn { font-size: 0.85rem; padding: 5px 10px; text-align: left; }

/* 画布 */
.ck-canvas-wrap {
    overflow: hidden;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 0;
    box-shadow: inset 0 0 0 1.5px var(--color-border-sketch);
    background: var(--ck-bg);
    cursor: default;
    position: relative;
    flex: 1;
}
.ck-canvas-wrap.placing { cursor: crosshair; }
.ck-canvas-wrap.pan-ready { cursor: grab; }
.ck-canvas-wrap.panning { cursor: grabbing; }
#ckCanvas { display: block; width: 100%; height: 100%; user-select: none; touch-action: none; }

/* ---- 属性栏（默认悬浮于画布卡片右上角，拖标题栏移动） ---- */
.ck-canvas-card { position: relative; }
.ck-props {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 210px;
    z-index: 20;
    margin: 0;
    max-height: calc(100% - 20px);
    overflow-y: auto;
    overscroll-behavior: contain;
    box-shadow: 2.5px 2.5px 0 rgba(44, 44, 44, 0.25);
}
#ckPropsHd { cursor: move; user-select: none; touch-action: none; }
.ck-props .field { margin-bottom: var(--space-sm); }
.ck-props label { font-size: 0.9rem; color: var(--color-text-secondary); display: block; margin-bottom: 2px; }
.iu-row { display: flex; align-items: center; gap: 6px; }
#propColor { width: 44px; height: 30px; padding: 0 2px; }
.ck-swatches { display: flex; gap: 4px; }
.ck-swatch {
    width: 20px; height: 20px;
    border-radius: 4px;
    border: 1.5px solid rgba(0,0,0,0.25);
    cursor: pointer;
}
.ck-swatch:hover { transform: scale(1.15); }

/* 隐藏编辑器页脚，避免占用可视区高度 */
.ck-footer-hidden { display: none; }

/* ---- 快速入门面板（画布空白时悬浮显示） ---- */
.ck-quickstart {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 15;
    width: min(620px, calc(100% - 40px));
    max-height: min(70vh, calc(100% - 40px));
    background: var(--color-card-bg);
    border: 1.5px solid var(--color-border-sketch);
    border-radius: 8px;
    box-shadow: 4px 6px 20px var(--color-shadow);
    display: flex;
    flex-direction: column;
    pointer-events: none;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
.ck-quickstart[hidden] { display: none; }
.ck-quickstart-hd {
    padding: 10px 14px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    pointer-events: auto;
}
.ck-quickstart-body {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    padding: 12px 14px;
    pointer-events: auto;
}
.ck-qs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px 16px;
}
.ck-qs-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-text);
}
.ck-qs-desc { color: var(--color-text-secondary); }
.ck-qs-note { font-size: 0.82rem; color: var(--color-text-muted); grid-column: 1 / -1; }
/* 键帽徽章：模仿参考站点 Quick Start 风格 */
.ck-key {
    display: inline-block;
    padding: 2px 7px;
    background: #f0f0f0;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.82em;
    color: #333;
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
    white-space: nowrap;
    line-height: 1.4;
}
[data-theme="dark"] .ck-key {
    background: #3a3a3a;
    border-color: #555;
    color: #eee;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ---- 窄屏面板切换按钮 ---- */
.ck-narrow-toggles {
    display: none;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 25;
    gap: 8px;
}
.ck-narrow-btn {
    padding: 6px 14px;
    font-size: 0.85rem;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: var(--color-card-bg);
    border: 1.5px solid var(--color-border-sketch);
    border-radius: 6px;
    color: var(--color-text);
    cursor: pointer;
    box-shadow: 2px 2px 0 var(--color-shadow);
}
.ck-narrow-btn:hover { border-color: var(--color-primary); }
.ck-narrow-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---- 文字编辑会话：绝对定位，不改变单屏 flex 高度链 ---- */
.ck-text-host { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 40; }
.ck-text-host[hidden] { display: none; }
.ck-text-box {
    position: absolute; transform-origin: top left; box-sizing: border-box;
    padding: 6px; border: 0; outline: 1px dashed var(--color-primary);
    background: var(--ck-bg); color: var(--ck-ink); caret-color: var(--ck-ink);
    min-width: 24px; min-height: 24px; overflow: auto; overscroll-behavior: contain;
    white-space: pre; overflow-wrap: normal; word-break: normal;
    font-family: 'Arial Narrow', Arial, sans-serif; font-size: 13px;
    pointer-events: auto; user-select: text; cursor: text;
}
.ck-text-line { box-sizing: border-box; margin: 0; border: 0; font-size: 0; line-height: 0; white-space: pre; }
.ck-text-line > span { position: relative; display: inline-block; line-height: normal; vertical-align: top; }
.ck-text-line:has(> br:only-child) { line-height: normal; }
.ck-text-toolbar {
    position: absolute; display: flex; flex-wrap: wrap; align-items: center; gap: 4px;
    width: max-content; padding: 7px; box-sizing: border-box; overflow: auto; overscroll-behavior: contain;
    background: var(--color-card-bg); color: var(--color-text); border: 1px solid var(--color-border-sketch);
    box-shadow: 2px 3px 10px var(--color-shadow); border-radius: 6px; pointer-events: auto;
    font: 13px 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
.ck-text-toolbar button {
    min-width: 30px; min-height: 30px; padding: 3px 7px; border: 1px solid var(--color-border);
    background: transparent; color: inherit; border-radius: 3px; cursor: pointer;
}
.ck-text-toolbar button[aria-pressed="true"] { background: var(--color-primary); color: #fff; }
.ck-text-toolbar button[aria-pressed="mixed"] { border-style: dashed; background: var(--color-bg-paper); }
.ck-text-toolbar button:focus-visible { outline: 2px solid var(--color-primary); }
.ck-text-toolbar label { display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.ck-text-toolbar input { width: 65px; min-width: 0; padding: 4px; font: inherit; appearance: textfield; }
.ck-text-toolbar input::-webkit-inner-spin-button, .ck-text-toolbar input::-webkit-outer-spin-button { appearance: none; margin: 0; }
.ck-text-hint { flex-basis: 100%; color: var(--color-text-secondary); font-size: 12px; }
.ck-text-summary { display: block; max-height: 64px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; }
#propEditText { margin-top: 4px; }

/* ---- I 键器件选择器（浮动面板） ---- */
.ck-picker-mask {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    z-index: 100; background: rgba(0,0,0,0.18);
}
.ck-picker {
    position: fixed; z-index: 101;
    width: min(340px, calc(100vw - 20px)); max-height: min(420px, calc(100vh - 20px));
    background: var(--color-card-bg);
    border: 1.5px solid var(--color-border-sketch);
    border-radius: 6px;
    box-shadow: 4px 6px 18px var(--color-shadow);
    display: flex; flex-direction: column;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}
.ck-picker-hd {
    padding: 8px 12px; font-size: 0.9rem; font-weight: 600;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}
.ck-picker-input {
    width: 100%; padding: 7px 10px; border: none; border-bottom: 1px solid var(--color-border);
    font: inherit; font-size: 0.88rem; background: transparent; color: var(--color-text);
    outline: none;
}
.ck-picker-body {
    overflow-y: auto; flex: 1; min-height: 0; padding: 4px 0;
}
.ck-picker-cat {
    padding: 3px 12px; font-size: 0.75rem; color: var(--color-text-muted);
    font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em;
}
.ck-picker-item {
    display: flex; align-items: center; gap: 8px;
    padding: 5px 12px; cursor: pointer; font-size: 0.85rem;
    color: var(--color-text); border: none; background: none; width: 100%; text-align: left;
}
.ck-picker-item:hover, .ck-picker-item.active {
    background: rgba(58,90,140,0.1);
}
.ck-picker-item svg { width: 36px; height: 24px; flex-shrink: 0; }
.ck-picker-empty { padding: 12px; text-align: center; color: var(--color-text-muted); font-size: 0.85rem; }

@media (max-width: 980px) {
    .ck-viewport { display: flex; flex-direction: column; }
    .ck-canvas-wrap { height: 100%; }
    /* 窄屏：显示面板切换按钮 */
    .ck-narrow-toggles { display: flex; }
    /* 窄屏：面板默认隐藏，绝对定位悬浮 */
    .ck-palette {
        position: absolute;
        top: 40px;
        left: 10px;
        right: 10px;
        width: auto;
        max-height: calc(100% - 50px);
        margin: 0;
        display: none;
    }
    .ck-palette.ck-panel-open { display: block; }
    .ck-props {
        position: absolute;
        top: 40px;
        left: 10px;
        right: 10px;
        width: auto;
        max-height: calc(100% - 50px);
        margin: 0;
        display: none;
    }
    .ck-props.ck-panel-open { display: block; }
    .ck-templates { top: 40px; bottom: auto; left: 10px; right: 10px; width: auto; max-height: calc(100% - 50px); }
    #ckPropsHd, #ckTemplatesHd { cursor: default; }
    .pal-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .ck-tpl-list { flex-direction: row; flex-wrap: wrap; }
    /* 窄屏下快速入门面板缩小 */
    .ck-qs-grid { grid-template-columns: repeat(2, 1fr); }
}