/* ============================================================
 * 装修材料用量清单 · 工程蓝图风（Blueprint / CAD Drawing）
 * 类名统一 rml- 前缀，自成体系，不依赖项目其他样式
 * 默认：浅色蓝图（蓝图白纸）；[data-theme="dark"]：深蓝蓝图
 * ============================================================ */

/* ---------- 浅色蓝图变量（默认） ---------- */
:root,
[data-theme="light"] {
    --rml-bg: #dce7f4;            /* 图纸底色：浅蓝白 */
    --rml-bg-deep: #c4d5ea;
    --rml-grid: rgba(37, 80, 138, 0.14);   /* 细网格 */
    --rml-grid-bold: rgba(37, 80, 138, 0.24);
    --rml-line: #2b5288;          /* CAD 描边：蓝图蓝 */
    --rml-line-soft: #6b8bb6;
    --rml-ink: #16325c;           /* 主文字：深蓝墨线 */
    --rml-ink-soft: #4a6a96;
    --rml-accent: #0c6bb0;        /* 标注青蓝 */
    --rml-accent-2: #0e8f8f;      /* 青色尺寸线 */
    --rml-block-bg: rgba(255, 255, 255, 0.55);
    --rml-block-bg-solid: #eef4fb;
    --rml-input-bg: rgba(255, 255, 255, 0.72);
    --rml-input-border: #3f6aa0;
    --rml-row-alt: rgba(43, 82, 136, 0.05);
    --rml-highlight: rgba(12, 107, 176, 0.10);
    --rml-danger: #b23b47;
    --rml-shadow: 0 6px 24px rgba(22, 50, 92, 0.12);
}

/* ---------- 深色蓝图变量 ---------- */
[data-theme="dark"] {
    --rml-bg: #10233f;
    --rml-bg-deep: #0b1a30;
    --rml-grid: rgba(120, 170, 230, 0.10);
    --rml-grid-bold: rgba(120, 170, 230, 0.20);
    --rml-line: #8ec3f2;
    --rml-line-soft: #5b7fae;
    --rml-ink: #e6f1ff;
    --rml-ink-soft: #9db8d8;
    --rml-accent: #46b3ff;
    --rml-accent-2: #3fd6d6;
    --rml-block-bg: rgba(21, 49, 90, 0.62);
    --rml-block-bg-solid: #15315a;
    --rml-input-bg: rgba(10, 28, 52, 0.66);
    --rml-input-border: #4f7bb4;
    --rml-row-alt: rgba(142, 195, 242, 0.06);
    --rml-highlight: rgba(70, 179, 255, 0.14);
    --rml-danger: #ff8a93;
    --rml-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

/* ---------- 基础 ---------- */
.rml-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: 18px 20px 60px;
    color: var(--rml-ink);
    font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.55;
    background-color: var(--rml-bg);
    background-image:
        linear-gradient(var(--rml-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--rml-grid) 1px, transparent 1px),
        linear-gradient(var(--rml-grid-bold) 1px, transparent 1px),
        linear-gradient(90deg, var(--rml-grid-bold) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
    background-position: -1px -1px;
}

.rml-page *,
.rml-page *::before,
.rml-page *::after { box-sizing: border-box; }

/* ---------- 面包屑 ---------- */
.rml-breadcrumb {
    font-size: 13px;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    color: var(--rml-ink-soft);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.rml-breadcrumb a {
    color: var(--rml-accent);
    text-decoration: none;
    font-weight: 600;
}
.rml-breadcrumb a:hover { text-decoration: underline; }
.rml-crumb-sep { color: var(--rml-line-soft); }
.rml-crumb-current { color: var(--rml-ink); font-weight: 600; }

/* ============================================================
 * 蓝图图框标题
 * ============================================================ */
.rml-drawing-frame {
    position: relative;
    border: 2px solid var(--rml-line);
    padding: 44px 30px 40px;
    margin-bottom: 20px;
    background: var(--rml-block-bg);
    box-shadow: var(--rml-shadow);
}
/* 内图框线 */
.rml-drawing-frame::before {
    content: "";
    position: absolute;
    inset: 7px;
    border: 1px solid var(--rml-line-soft);
    pointer-events: none;
}
.rml-frame-corner {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--rml-accent-2);
    z-index: 1;
}
.rml-corner-tl { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.rml-corner-tr { top: -2px; right: -2px; border-left: none; border-bottom: none; }
.rml-corner-bl { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.rml-corner-br { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.rml-frame-head,
.rml-frame-foot {
    position: absolute;
    left: 18px;
    right: 18px;
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--rml-ink-soft);
    font-family: Consolas, "Courier New", monospace;
}
.rml-frame-head { top: 12px; }
.rml-frame-foot { bottom: 12px; }

.rml-frame-title-wrap { text-align: center; position: relative; z-index: 2; }

.rml-main-title {
    margin: 6px 0 4px;
    font-size: 40px;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: var(--rml-ink);
}
.rml-sub-title {
    margin: 0 0 10px;
    font-size: 12.5px;
    letter-spacing: 0.10em;
    color: var(--rml-ink-soft);
}

/* 尺寸标注元素 */
.rml-dim {
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 640px;
    margin: 0 auto;
}
.rml-dim-line {
    flex: 1;
    height: 0;
    border-top: 1px dashed var(--rml-accent-2);
    position: relative;
}
.rml-dim-txt {
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--rml-accent-2);
    font-family: Consolas, "Courier New", monospace;
    white-space: nowrap;
}
.rml-dim-bottom .rml-dim-txt { letter-spacing: 0.18em; }

/* ============================================================
 * 工具栏
 * ============================================================ */
.rml-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    border: 1.5px solid var(--rml-line);
    background: var(--rml-block-bg);
    padding: 10px 14px;
    margin-bottom: 18px;
}
.rml-tier-switch,
.rml-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.rml-toolbar-label {
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--rml-ink-soft);
    margin-right: 4px;
}
.rml-tier-btn {
    font: inherit;
    font-size: 13.5px;
    padding: 6px 16px;
    color: var(--rml-ink);
    background: transparent;
    border: 1.5px solid var(--rml-line-soft);
    cursor: pointer;
    transition: all 0.15s ease;
}
.rml-tier-btn:hover { border-color: var(--rml-accent); color: var(--rml-accent); }
.rml-tier-btn.active {
    background: var(--rml-accent);
    border-color: var(--rml-accent);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--rml-accent), 3px 3px 0 var(--rml-line);
}

.rml-btn {
    font: inherit;
    font-size: 13px;
    padding: 7px 14px;
    color: var(--rml-ink);
    background: var(--rml-input-bg);
    border: 1.5px solid var(--rml-input-border);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}
.rml-btn:hover {
    border-color: var(--rml-accent);
    color: var(--rml-accent);
    transform: translateY(-1px);
}
.rml-btn-accent {
    background: var(--rml-accent);
    border-color: var(--rml-accent);
    color: #fff;
    font-weight: 600;
}
.rml-btn-accent:hover { color: #fff; opacity: 0.9; }
.rml-btn-danger:hover { border-color: var(--rml-danger); color: var(--rml-danger); }

.rml-save-state {
    font-size: 12px;
    color: var(--rml-accent-2);
    opacity: 0;
    transition: opacity 0.2s ease;
}
.rml-save-state.is-show { opacity: 1; }

/* ============================================================
 * 主画板双栏
 * ============================================================ */
.rml-board {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 18px;
    align-items: start;
}
.rml-pane { min-width: 0; }

/* ---------- 图形块（卡片） ---------- */
.rml-block {
    border: 1.5px solid var(--rml-line);
    background: var(--rml-block-bg);
    padding: 16px 18px 18px;
    margin-bottom: 18px;
    position: relative;
    box-shadow: var(--rml-shadow);
}
/* 图形块角标 */
.rml-block::after {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 12px; height: 12px;
    border-top: 3px solid var(--rml-accent-2);
    border-left: 3px solid var(--rml-accent-2);
}
.rml-block-title {
    margin: 0 0 14px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.10em;
    color: var(--rml-ink);
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--rml-line-soft);
}
.rml-title-mark { color: var(--rml-accent-2); font-size: 13px; }

/* ---------- 输入字段 ---------- */
.rml-global-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.rml-spec-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.rml-field { min-width: 0; }
.rml-field label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--rml-ink-soft);
    margin-bottom: 5px;
}
.rml-input-box { position: relative; }
.rml-input-box .rml-unit {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: var(--rml-ink-soft);
    pointer-events: none;
}
.rml-input-box .rml-input { padding-right: 30px; }

.rml-input {
    width: 100%;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--rml-ink);
    background: var(--rml-input-bg);
    border: 1.5px solid var(--rml-input-border);
    border-radius: 0;
    padding: 8px 10px;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    -moz-appearance: textfield;
}
.rml-input::-webkit-outer-spin-button,
.rml-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.rml-input::placeholder { color: var(--rml-line-soft); font-weight: 400; }
.rml-input:focus {
    border-color: var(--rml-accent);
    box-shadow: 0 0 0 2px var(--rml-highlight), inset 0 0 12px rgba(70, 179, 255, 0.12);
    background: var(--rml-block-bg-solid);
}

.rml-hint {
    margin: 5px 0 0;
    font-size: 11.5px;
    color: var(--rml-ink-soft);
    line-height: 1.5;
}
.rml-spec-hint { margin-top: 10px; }

/* ============================================================
 * 房间表
 * ============================================================ */
.rml-room-head,
.rml-room-row {
    display: grid;
    grid-template-columns: 76px repeat(8, 1fr);
    gap: 6px;
    align-items: center;
}
.rml-room-head {
    font-size: 10.5px;
    letter-spacing: 0.02em;
    color: var(--rml-ink-soft);
    text-align: center;
    padding: 0 0 8px;
    border-bottom: 1.5px solid var(--rml-line);
    margin-bottom: 8px;
}
.rml-col-room { text-align: left; }
.rml-col { line-height: 1.35; }

.rml-room-row {
    padding: 7px 0;
    border-bottom: 1px solid var(--rml-line-soft);
}
.rml-room-row:nth-child(even) { background: var(--rml-row-alt); }
.rml-room-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--rml-ink);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}
.rml-room-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    font-size: 10px;
    border: 1.2px solid var(--rml-accent);
    color: var(--rml-accent);
    font-family: Consolas, monospace;
    flex: none;
}
.rml-room-row .rml-input {
    padding: 7px 6px;
    font-size: 13px;
    text-align: center;
}
.rml-room-help { margin-top: 12px; }
.rml-room-help b { color: var(--rml-accent); }

/* ============================================================
 * 右栏：用量清单
 * ============================================================ */
.rml-result-block { margin-bottom: 0; position: sticky; top: 12px; }

.rml-tier-badge {
    margin-left: auto;
    font-size: 11px;
    letter-spacing: 0.12em;
    padding: 2px 10px;
    border: 1.2px solid var(--rml-accent-2);
    color: var(--rml-accent-2);
    font-family: Consolas, monospace;
}

.rml-area-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 14px;
}
.rml-area-chip {
    border: 1px dashed var(--rml-line-soft);
    background: var(--rml-row-alt);
    padding: 6px 8px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.rml-area-k { font-size: 10.5px; color: var(--rml-ink-soft); }
.rml-area-v { font-size: 14px; font-weight: 700; color: var(--rml-accent); font-family: Consolas, monospace; }

.rml-list { display: flex; flex-direction: column; gap: 14px; }

.rml-group-title {
    margin: 0 0 6px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--rml-ink);
    display: flex;
    align-items: center;
    gap: 7px;
}
.rml-group-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    font-size: 13px;
    border: 1.3px solid var(--rml-accent-2);
    color: var(--rml-accent-2);
}

.rml-bill {
    width: 100%;
    border-collapse: collapse;
    font-size: 12.5px;
}
.rml-bill tr { border-bottom: 1px dashed var(--rml-line-soft); }
.rml-bill tr:last-child { border-bottom: none; }
.rml-bill td { padding: 7px 6px; vertical-align: top; }
.rml-bill-name {
    width: 42%;
    font-weight: 600;
    color: var(--rml-ink);
}
.rml-bill-qty {
    width: 26%;
    white-space: nowrap;
    text-align: right;
    color: var(--rml-accent);
}
.rml-bill-qty b {
    font-size: 15px;
    font-family: Consolas, "Courier New", monospace;
    margin-right: 3px;
}
.rml-bill-qty small { font-size: 11px; color: var(--rml-ink-soft); }
.rml-bill-note {
    font-size: 11px;
    color: var(--rml-ink-soft);
    line-height: 1.45;
}

/* ============================================================
 * 单位换算参考
 * ============================================================ */
.rml-ref-block { margin-top: 0; }
.rml-ref-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.rml-ref-card {
    border: 1.3px solid var(--rml-line-soft);
    background: var(--rml-input-bg);
    padding: 10px 14px 12px;
}
.rml-ref-card h3 {
    margin: 0 0 8px;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--rml-accent);
    padding-bottom: 5px;
    border-bottom: 1px dashed var(--rml-line-soft);
}
.rml-ref-card ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
.rml-ref-card li {
    font-size: 12px;
    color: var(--rml-ink-soft);
    padding: 3px 0;
}
.rml-ref-card li b { color: var(--rml-ink); font-family: Consolas, monospace; }

/* ============================================================
 * 防坑提示
 * ============================================================ */
.rml-tips {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}
.rml-tip {
    border: 1.3px solid var(--rml-line-soft);
    background: var(--rml-input-bg);
    padding: 0;
}
.rml-tip summary {
    cursor: pointer;
    list-style: none;
    padding: 9px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--rml-ink);
    display: flex;
    align-items: center;
    gap: 9px;
    user-select: none;
}
.rml-tip summary::-webkit-details-marker { display: none; }
.rml-tip summary::before {
    content: "▸";
    color: var(--rml-accent-2);
    transition: transform 0.15s ease;
}
.rml-tip[open] summary::before { transform: rotate(90deg); }
.rml-tip summary:hover { color: var(--rml-accent); }
.rml-tip-no {
    font-size: 10.5px;
    font-family: Consolas, monospace;
    letter-spacing: 0.08em;
    color: var(--rml-accent-2);
    border: 1px solid var(--rml-accent-2);
    padding: 1px 6px;
    flex: none;
}
.rml-tip p {
    margin: 0;
    padding: 0 12px 11px 31px;
    font-size: 12px;
    color: var(--rml-ink-soft);
    line-height: 1.6;
}

/* ============================================================
 * Tab 面板
 * ============================================================ */
.rml-tab-panel { padding: 8px 2px; }
.rml-tab-head {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin: 10px 0 12px;
    color: var(--rml-ink);
}
.rml-formula-list {
    margin: 0 0 14px;
    padding-left: 20px;
}
.rml-formula-list li {
    font-size: 13px;
    color: var(--rml-ink-soft);
    padding: 4px 0;
    line-height: 1.6;
}
.rml-formula-list b { color: var(--rml-accent); }
.rml-disclaim {
    font-size: 12.5px;
    color: var(--rml-ink-soft);
    border: 1.3px dashed var(--rml-line-soft);
    background: var(--rml-row-alt);
    padding: 10px 14px;
    line-height: 1.7;
}
.rml-disclaim b { color: var(--rml-danger); }

.rml-related { margin-top: 26px; }

/* ============================================================
 * 响应式
 * ============================================================ */

/* 中等屏幕：清单折到下方 */
@media (max-width: 919px) {
    .rml-board { grid-template-columns: 1fr; }
    .rml-result-block { position: static; }
}

/* 平板小宽：房间表允许横向滚动，避免挤压 */
@media (max-width: 820px) {
    .rml-ref-grid { grid-template-columns: repeat(2, 1fr); }

    .rml-global-grid,
    .rml-spec-grid { grid-template-columns: repeat(2, 1fr); }

    .rml-block:has(.rml-room-row) { overflow-x: auto; }
    .rml-room-head,
    .rml-room-row {
        grid-template-columns: 72px repeat(8, 78px);
        min-width: 700px;
    }
}

/* 手机：单栏 */
@media (max-width: 600px) {
    .rml-page { padding: 12px 12px 40px; }

    .rml-drawing-frame { padding: 40px 14px 36px; }
    .rml-main-title { font-size: 27px; letter-spacing: 0.06em; }
    .rml-sub-title { font-size: 11px; letter-spacing: 0.04em; }
    .rml-frame-code { display: none; }
    .rml-dim-txt { font-size: 10px; letter-spacing: 0.14em; }

    .rml-toolbar { flex-direction: column; align-items: stretch; }
    .rml-tier-switch, .rml-actions { justify-content: center; }

    .rml-global-grid,
    .rml-spec-grid,
    .rml-ref-grid,
    .rml-tips { grid-template-columns: 1fr; }

    .rml-area-summary { grid-template-columns: repeat(2, 1fr); }

    .rml-bill-name { width: 46%; }
    .rml-bill-qty { width: 28%; }
}

/* ============================================================
 * 打印：白底黑线，隐藏操作按钮
 * ============================================================ */
@media print {
    body,
    .rml-page {
        background: #fff !important;
        background-image: none !important;
        color: #000 !important;
        max-width: none;
        padding: 0;
        margin: 0;
    }

    .rml-breadcrumb,
    .rml-toolbar,
    .back-to-top,
    .rml-related,
    .detail-tabs { display: none !important; }

    .rml-board { grid-template-columns: 1fr 1fr; gap: 10px; }

    .rml-drawing-frame,
    .rml-block {
        border: 1.5px solid #000 !important;
        box-shadow: none !important;
        background: #fff !important;
        break-inside: avoid;
        page-break-inside: avoid;
    }
    .rml-drawing-frame::before { border-color: #000 !important; }
    .rml-frame-corner { border-color: #000 !important; }

    .rml-main-title,
    .rml-sub-title,
    .rml-block-title,
    .rml-group-title,
    .rml-bill-name,
    .rml-room-name,
    .rml-ref-card h3,
    .rml-ref-card li,
    .rml-ref-card li b { color: #000 !important; }

    .rml-frame-head,
    .rml-frame-foot,
    .rml-hint,
    .rml-bill-note,
    .rml-area-k,
    .rml-formula-list,
    .rml-formula-list li,
    .rml-disclaim { color: #222 !important; }

    .rml-tier-badge,
    .rml-area-v,
    .rml-bill-qty,
    .rml-bill-qty b,
    .rml-group-icon,
    .rml-dim-txt,
    .rml-formula-list b,
    .rml-room-tag { color: #000 !important; border-color: #000 !important; }

    .rml-input,
    .rml-area-chip,
    .rml-ref-card,
    .rml-tip,
    .rml-bill tr,
    .rml-room-row {
        background: #fff !important;
        border-color: #000 !important;
        color: #000 !important;
    }
    .rml-block-title,
    .rml-room-head { border-bottom-color: #000 !important; }

    .rml-result-block { position: static; }

    a { text-decoration: none !important; color: #000 !important; }

    /* 打印默认展开全部 tab 内容（简介与FAQ） */
    .tab-panel { display: block !important; }
}