/* ============================================================
   3D 模型在线预览（glb-viewer）· 数字展台 / 工程视口设计系统
   前缀 glb- · 页面浅色为默认，视口恒定深色（两种主题各自成套）
   ============================================================ */

.glb-page, .glb-modal, .glb-toast {
    --glb-bg: #edf1f7;
    --glb-bg2: #e3e9f3;
    --glb-panel: #ffffff;
    --glb-panel2: #f6f8fc;
    --glb-ink: #17233c;
    --glb-sub: #66758e;
    --glb-line: #dfe6f0;
    --glb-line2: #c4d0e3;
    --glb-indigo: #3b5bdb;
    --glb-indigo-deep: #2c45ae;
    --glb-indigo-soft: #e8edff;
    --glb-mint: #00a88f;
    --glb-mint-soft: #ddf7f1;
    --glb-warn: #b4660e;
    --glb-warn-soft: #fdf0dd;
    --glb-alert: #d1425b;
    --glb-viewport: #101827;
    --glb-viewport2: #1b2740;
    --glb-mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    --glb-shadow: 0 16px 42px rgba(30, 50, 90, .13);
    --glb-shadow-sm: 0 4px 14px rgba(30, 50, 90, .09);
    --glb-radius: 12px;
}
:root[data-theme="dark"] .glb-page,
:root[data-theme="dark"] .glb-modal,
:root[data-theme="dark"] .glb-toast {
    --glb-bg: #0b111c;
    --glb-bg2: #101827;
    --glb-panel: #141d2c;
    --glb-panel2: #1a2536;
    --glb-ink: #eaf0fb;
    --glb-sub: #9aabc4;
    --glb-line: #28364c;
    --glb-line2: #3a4d69;
    --glb-indigo: #8fa6ff;
    --glb-indigo-deep: #b6c5ff;
    --glb-indigo-soft: #212f52;
    --glb-mint: #43dfc4;
    --glb-mint-soft: #143a35;
    --glb-warn: #edba6d;
    --glb-warn-soft: #362917;
    --glb-alert: #ff8ba0;
    --glb-viewport: #070b13;
    --glb-viewport2: #0f1726;
    --glb-shadow: 0 16px 42px rgba(0, 0, 0, .4);
    --glb-shadow-sm: 0 4px 14px rgba(0, 0, 0, .3);
}

.glb-page {
    background: var(--glb-bg);
    background-image: radial-gradient(circle at 88% 8%, var(--glb-indigo-soft) 0, transparent 34%),
        radial-gradient(circle at 4% 34%, var(--glb-mint-soft) 0, transparent 26%);
    color: var(--glb-ink); padding: 0 0 62px; min-height: 60vh;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
.glb-wrap { max-width: 1240px; margin: 0 auto; padding: 18px 18px 0; }
.glb-page .detail-breadcrumb { font-size: 13px; color: var(--glb-sub); margin: 8px 0 20px; }
.glb-page .detail-breadcrumb a { color: var(--glb-sub); text-decoration: none; }
.glb-page .detail-breadcrumb a:hover { color: var(--glb-indigo); }
.glb-page .detail-breadcrumb .current { color: var(--glb-indigo); font-weight: 700; }
.glb-page h1, .glb-page h2, .glb-page h3 { color: var(--glb-ink); }
.glb-page b { color: var(--glb-ink); }

/* ---------- 首屏 ---------- */
.glb-hero { display: grid; grid-template-columns: 1.18fr .82fr; gap: 26px; align-items: stretch; }
.glb-kicker { display: inline-flex; align-items: center; gap: 10px; font: 700 11px/1 var(--glb-mono); letter-spacing: 1.8px; color: var(--glb-indigo); border: 1px solid var(--glb-line2); background: var(--glb-panel); border-radius: 5px; padding: 8px 12px; }
.glb-cube { width: 12px; height: 12px; border: 2px solid var(--glb-mint); transform: rotate(45deg); display: inline-block; }
.glb-page h1 { font-size: 40px; line-height: 1.16; letter-spacing: -.6px; margin: 18px 0 12px; font-weight: 800; }
.glb-sub { font-size: 14.5px; line-height: 1.95; color: var(--glb-sub); margin: 0 0 20px; max-width: 650px; }
.glb-sub b { font-weight: 700; }
.glb-hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.glb-hero-stats div { background: var(--glb-panel); border: 1px solid var(--glb-line); border-top: 3px solid var(--glb-indigo); border-radius: 8px; padding: 12px 14px; box-shadow: var(--glb-shadow-sm); }
.glb-hero-stats div:nth-child(2) { border-top-color: var(--glb-mint); }
.glb-hero-stats b { display: block; font: 800 22px/1.2 var(--glb-mono); color: var(--glb-indigo); }
.glb-hero-stats div:nth-child(2) b { color: var(--glb-mint); }
.glb-hero-stats span { font-size: 11.5px; color: var(--glb-sub); }
.glb-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.glb-points li { font-size: 12.8px; color: var(--glb-sub); line-height: 1.75; }
.glb-points span { color: var(--glb-mint); margin-right: 8px; font-weight: 700; }

/* 装载台 */
.glb-loader { background: var(--glb-panel); border: 1px solid var(--glb-line2); border-radius: var(--glb-radius); box-shadow: var(--glb-shadow); padding: 16px; display: flex; flex-direction: column; }
.glb-loader-head { display: flex; justify-content: space-between; align-items: baseline; padding-bottom: 12px; border-bottom: 1px solid var(--glb-line); }
.glb-loader-head b { font-size: 15px; }
.glb-loader-head span { font: 700 10px/1 var(--glb-mono); letter-spacing: 1.2px; color: var(--glb-sub); }
.glb-drop { flex: 1; margin-top: 14px; border: 2px dashed var(--glb-line2); border-radius: 10px; padding: 24px 12px; text-align: center; cursor: pointer; background: var(--glb-panel2); transition: .15s; }
.glb-drop.is-over { border-color: var(--glb-indigo); background: var(--glb-indigo-soft); }
.glb-drop-icon { font-size: 38px; line-height: 1; margin-bottom: 8px; }
.glb-drop-title { font-size: 15px; font-weight: 700; margin: 0 0 5px; }
.glb-drop-sub { font-size: 12px; color: var(--glb-sub); margin: 0 0 16px; }
.glb-drop-btns { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
.glb-btn { border: 1px solid var(--glb-line2); background: var(--glb-panel2); color: var(--glb-ink); border-radius: 8px; padding: 9px 15px; font-size: 13px; font-weight: 600; cursor: pointer; font-family: inherit; transition: .12s; }
.glb-btn:hover { transform: translateY(-1px); box-shadow: var(--glb-shadow-sm); }
.glb-btn:disabled { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.glb-btn-main { background: var(--glb-indigo); border-color: var(--glb-indigo-deep); color: #fff; }
:root[data-theme="dark"] .glb-btn-main { color: #0d1630; }
.glb-btn-run { width: 100%; margin-top: 12px; padding: 12px; background: var(--glb-mint); border-color: var(--glb-mint); color: #fff; font-size: 14px; }
:root[data-theme="dark"] .glb-btn-run { color: #06231e; }
.glb-loader-foot { margin-top: 12px; font-size: 11.5px; color: var(--glb-sub); line-height: 1.7; }

/* ---------- 工作台 ---------- */
.glb-work { margin-top: 26px; background: var(--glb-panel); border: 1px solid var(--glb-line2); border-radius: var(--glb-radius); box-shadow: var(--glb-shadow); overflow: hidden; }
.glb-work[hidden] { display: none !important; }
.glb-work-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 13px 16px; border-bottom: 1px solid var(--glb-line); background: var(--glb-panel2); }
.glb-work-head > div:first-child { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.glb-work-head b { font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 380px; }
.glb-sec-no { font: 800 10px/1 var(--glb-mono); letter-spacing: 1px; color: var(--glb-mint); background: var(--glb-viewport); border-radius: 4px; padding: 5px 7px; }
.glb-work-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.glb-mini { border: 1px solid var(--glb-line2); background: var(--glb-panel); color: var(--glb-ink); border-radius: 7px; padding: 7px 10px; font-size: 12px; cursor: pointer; font-family: inherit; }
.glb-mini:hover { border-color: var(--glb-indigo); color: var(--glb-indigo); }
.glb-mini:disabled { opacity: .45; cursor: not-allowed; }
.glb-cols { display: grid; grid-template-columns: 238px minmax(0, 1fr) 264px; }
.glb-left, .glb-right { padding: 15px; min-width: 0; }
.glb-left { border-right: 1px solid var(--glb-line); }
.glb-right { border-left: 1px solid var(--glb-line); }
.glb-box-title { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 13px; margin: 0 0 10px; }
.glb-box-title:not(:first-child) { margin-top: 22px; }
.glb-box-title span { color: var(--glb-sub); font-size: 11px; font-family: var(--glb-mono); }
.glb-queue { display: grid; gap: 6px; }
.glb-qfile { display: flex; align-items: center; gap: 7px; border: 1px solid var(--glb-line); background: var(--glb-panel2); border-radius: 7px; padding: 7px 9px; font-size: 12px; cursor: pointer; min-width: 0; }
.glb-qfile b { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.glb-qfile.is-on { border-color: var(--glb-indigo); background: var(--glb-indigo-soft); }
.glb-qfile .x { border: 0; background: none; color: var(--glb-sub); cursor: pointer; font-size: 14px; }
.glb-tree, .glb-stats, .glb-mats, .glb-skips { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 12px; }
.glb-tree li { border-left: 2px solid var(--glb-line2); padding: 5px 9px; color: var(--glb-sub); background: var(--glb-panel2); border-radius: 0 5px 5px 0; }
.glb-tree li.lv1 { margin-left: 12px; border-left-color: var(--glb-mint); }
.glb-tree li.lv2 { margin-left: 24px; border-left-color: var(--glb-indigo); }
.glb-tree b { color: var(--glb-ink); }
.glb-stats li { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dashed var(--glb-line); padding-bottom: 5px; color: var(--glb-sub); }
.glb-stats b { font-family: var(--glb-mono); color: var(--glb-ink); }
.glb-mats li { display: flex; align-items: center; gap: 8px; border: 1px solid var(--glb-line); border-radius: 6px; padding: 6px 8px; color: var(--glb-sub); }
.glb-swatch { width: 18px; height: 18px; border-radius: 4px; border: 1px solid var(--glb-line2); flex: none; }
.glb-mats b { color: var(--glb-ink); }
.glb-skips li { background: var(--glb-warn-soft); color: var(--glb-warn); border-left: 3px solid var(--glb-warn); border-radius: 0 5px 5px 0; padding: 7px 9px; line-height: 1.65; }
.glb-skips li.ok { background: var(--glb-mint-soft); color: var(--glb-mint); border-left-color: var(--glb-mint); }
.glb-table-scroll { overflow-x: auto; }
.glb-table { width: 100%; border-collapse: collapse; font-size: 11.5px; }
.glb-table th, .glb-table td { padding: 6px 4px; border-bottom: 1px solid var(--glb-line); text-align: left; white-space: nowrap; }
.glb-table th { color: var(--glb-sub); font-size: 10.5px; }
.glb-table td:first-child { white-space: normal; overflow-wrap: anywhere; word-break: normal; min-width: 84px; max-width: 108px; }
.glb-table .num { font-family: var(--glb-mono); }

/* ---------- 视口 ---------- */
.glb-stage { padding: 14px; min-width: 0; background: var(--glb-panel2); }
.glb-stage-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.glb-presets { display: flex; gap: 5px; }
.glb-chip { border: 1px solid var(--glb-line2); background: var(--glb-panel); color: var(--glb-sub); border-radius: 6px; padding: 6px 11px; font-size: 12px; cursor: pointer; font-family: inherit; }
.glb-chip.is-on { background: var(--glb-viewport); border-color: var(--glb-viewport); color: #a9f3e2; }
.glb-stage-hint { font-size: 11px; color: var(--glb-sub); font-family: var(--glb-mono); }
.glb-viewport { position: relative; border-radius: 10px; overflow: hidden; border: 1px solid var(--glb-line2); background: linear-gradient(160deg, var(--glb-viewport), var(--glb-viewport2)); box-shadow: inset 0 0 60px rgba(0,0,0,.28); }
.glb-viewport canvas { display: block; width: 100%; height: auto; aspect-ratio: 900 / 620; cursor: grab; }
.glb-viewport canvas:active { cursor: grabbing; }
.glb-vp-empty { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #7d90ad; font-size: 13px; pointer-events: none; }
.glb-vp-empty[hidden] { display: none !important; }
.glb-vp-badge { position: absolute; left: 12px; top: 12px; font: 700 10px/1 var(--glb-mono); letter-spacing: 1.2px; color: #a9f3e2; background: rgba(10, 20, 34, .72); border: 1px solid rgba(120, 220, 200, .3); border-radius: 4px; padding: 6px 8px; pointer-events: none; }
.glb-dock { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 10px; }
.glb-toggle { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--glb-sub); cursor: pointer; }
.glb-select { border: 1px solid var(--glb-line2); background: var(--glb-panel); color: var(--glb-ink); border-radius: 6px; padding: 6px 8px; font-size: 12px; font-family: inherit; }

/* ---------- AI ---------- */
.glb-ai { margin-top: 22px; border: 1px solid var(--glb-line2); border-radius: 9px; padding: 13px; background: linear-gradient(135deg, var(--glb-indigo-soft), var(--glb-panel2)); }
.glb-ai > b { font-size: 13.5px; }
.glb-ai p { font-size: 11.8px; line-height: 1.8; color: var(--glb-sub); margin: 6px 0 10px; }
.glb-btn-ai { background: var(--glb-viewport); border-color: var(--glb-viewport); color: #b7f3e5; }
:root[data-theme="dark"] .glb-btn-ai { background: var(--glb-indigo-soft); border-color: var(--glb-indigo); color: var(--glb-indigo-deep); }
.glb-ai-out { margin-top: 10px; font-size: 12px; line-height: 1.85; color: var(--glb-sub); white-space: pre-wrap; max-height: 240px; overflow-y: auto; }
.glb-ai-out p { margin: 0 0 6px; color: inherit; }

/* ---------- 弹窗 / toast ---------- */
.glb-modal { position: fixed; inset: 0; z-index: 9000; display: flex; align-items: center; justify-content: center; background: rgba(8, 15, 28, .66); padding: 18px; color: var(--glb-ink); }
.glb-modal[hidden] { display: none !important; }
.glb-modal-card { position: relative; width: min(480px, 100%); background: var(--glb-panel); border: 1px solid var(--glb-line2); border-radius: 14px; padding: 26px; box-shadow: var(--glb-shadow); }
.glb-modal-x { position: absolute; right: 12px; top: 9px; border: 0; background: none; font-size: 24px; color: var(--glb-sub); cursor: pointer; }
.glb-modal-tag { font: 700 10px/1 var(--glb-mono); letter-spacing: 1.5px; color: var(--glb-mint); }
.glb-modal-card h2 { font-size: 21px; margin: 10px 0 14px; }
.glb-modal-body { font-size: 13px; line-height: 1.9; color: var(--glb-sub); }
.glb-modal-body ul { list-style: none; margin: 0 0 8px; padding: 0; }
.glb-modal-body li { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px dashed var(--glb-line); padding: 6px 0; }
.glb-modal-body b { font-family: var(--glb-mono); }
.glb-modal-actions { display: flex; gap: 9px; flex-wrap: wrap; margin-top: 18px; }
.glb-toast { position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%) translateY(14px); z-index: 9500; background: var(--glb-viewport); color: #eaf6ff; border: 1px solid var(--glb-line2); border-radius: 9px; padding: 10px 18px; font-size: 13px; opacity: 0; pointer-events: none; transition: .2s; max-width: 86vw; }
.glb-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 1120px) {
    .glb-cols { grid-template-columns: 210px minmax(0, 1fr); }
    .glb-right { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--glb-line); }
    .glb-stats, .glb-mats, .glb-skips { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
    .glb-hero, .glb-cols { grid-template-columns: 1fr; }
    .glb-left { border-right: 0; border-bottom: 1px solid var(--glb-line); }
    .glb-right { grid-column: auto; }
}
@media (max-width: 640px) {
    .glb-wrap { padding: 14px 12px 0; }
    .glb-page h1 { font-size: 31px; }
    .glb-sub { font-size: 13.5px; }
    .glb-hero-stats { gap: 6px; }
    .glb-hero-stats div { padding: 9px 8px; }
    .glb-hero-stats b { font-size: 17px; }
    .glb-hero, .glb-cols { gap: 14px; }
    .glb-cols > * { min-width: 0; }
    .glb-left, .glb-right, .glb-stage { padding: 12px; }
    .glb-stats, .glb-mats, .glb-skips { grid-template-columns: 1fr; }
    .glb-stage-hint { display: none; }
    .glb-work-head { padding: 12px; }
    .glb-work-head b { max-width: 180px; }
    .glb-viewport canvas { aspect-ratio: 4 / 3; }
}