/* ==========================================================================
   離岸 CCS 互動式評估網站 — 樣式
   調色盤沿用論文圖檔之色盲友善配色 (Wong 2011),使網站與 figures.py 輸出一致。
   ========================================================================== */

/* --------------------------------------------------------------------------
   預設為深色(黑底)主題。資料色為 Wong (2011) 色盲友善色相,於黑底提高明度後
   仍保持與論文圖檔相同之色相身分與相對順序,故兩者可互相對照。
   -------------------------------------------------------------------------- */
:root {
  /* 黑底高對比資料色(色相承襲 Wong 2011,明度上調) */
  --c-blue:      #4DA6FF;
  --c-orange:    #FFB020;
  --c-green:     #2EE6A8;
  --c-pink:      #FF8FC4;
  --c-vermilion: #FF6E3A;
  --c-sky:       #7FD4FF;
  --c-grey:      #B4BECC;

  --bg:          #000000;
  --bg-elev:     #0a0d12;
  --bg-sunken:   #05070a;
  --bg-sidebar:  #05070a;
  --border:      #2f3946;
  --border-soft: #1c232c;
  --text:        #f2f6fb;
  --text-dim:    #b3bfcd;
  --text-faint:  #8794a4;
  --accent:      var(--c-blue);
  --good:        #35E39B;
  --bad:         #FF6B6B;
  --warn:        #FFC24D;
  --shadow:      0 0 0 1px rgba(255,255,255,.03), 0 8px 26px rgba(0,0,0,.7);
  --radius:      10px;
  --mono: "Consolas", "SF Mono", "Cascadia Mono", monospace;
  --sans: Arial, "Microsoft JhengHei", "PingFang TC", "Noto Sans TC", "Segoe UI", system-ui, sans-serif;
  --scene-bg:    #000308;
}

:root[data-theme="light"] {
  /* 論文圖檔原色 (Wong 2011) */
  --c-blue:      #0072B2;
  --c-orange:    #E69F00;
  --c-green:     #009E73;
  --c-pink:      #CC79A7;
  --c-vermilion: #D55E00;
  --c-sky:       #56B4E9;
  --c-grey:      #6F7884;

  --bg:          #f4f6f9;
  --bg-elev:     #ffffff;
  --bg-sunken:   #e9edf3;
  --bg-sidebar:  #ffffff;
  --border:      #c8d0da;
  --border-soft: #dfe4ec;
  --text:        #0d1117;
  --text-dim:    #46505f;
  --text-faint:  #6b7583;
  --good:        #0a7a52;
  --bad:         #b32318;
  --warn:        #9a5600;
  --shadow:      0 1px 2px rgba(16,24,40,.06), 0 4px 14px rgba(16,24,40,.08);
  --scene-bg:    #0b1220;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font-family: var(--sans);
  font-size: 14px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  /* 關閉合成字重。拉丁字族(Arial)不含中文,中文以 fallback 取得;若允許合成,
     瀏覽器會把中文字「加粗」成疊影而非改用真正的粗體字面(實測 <b> 內之中文
     出現重疊鬼影)。關閉後一律使用字族自帶之粗體字面。 */
  font-synthesis: none;
  -webkit-font-synthesis: none;
}

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
code { font-family: var(--mono); font-size: .92em; background: var(--bg-sunken);
       padding: 1px 4px; border-radius: 4px; }
sub, sup { font-size: .72em; }

/* ---------------------------- 頂列 ---------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 10px 18px;
  background: var(--bg-elev); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 40;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: linear-gradient(145deg, var(--c-blue), var(--c-green));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 7px 6px auto 6px; height: 2px;
  background: rgba(255,255,255,.85); border-radius: 2px;
  box-shadow: 0 6px 0 rgba(255,255,255,.55), 0 11px 0 rgba(255,255,255,.35);
}
.brand-text h1 { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-text p  { margin: 1px 0 0; font-size: 11.5px; color: var(--text-dim); }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex: none; }

.badge {
  font-size: 11px; padding: 3px 9px; border-radius: 999px; font-weight: 600;
  border: 1px solid transparent; white-space: nowrap; cursor: help;
}
.badge-pending { background: var(--bg-sunken); color: var(--text-dim); border-color: var(--border); }
.badge-ok      { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good);
                 border-color: color-mix(in srgb, var(--good) 35%, transparent); }
.badge-fail    { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad);
                 border-color: color-mix(in srgb, var(--bad) 35%, transparent); }

.btn {
  font: inherit; font-size: 12.5px; padding: 6px 12px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
  cursor: pointer; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--bg-sunken); border-color: var(--text-faint); }
.btn:active { transform: translateY(1px); }
.btn-ghost { background: transparent; }
.btn-icon { padding: 6px 9px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }

.lang-toggle { display: flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.lang-toggle button {
  font: inherit; font-size: 12px; padding: 5px 10px; border: 0; cursor: pointer;
  background: var(--bg-elev); color: var(--text-dim);
}
.lang-toggle button.active { background: var(--accent); color: #fff; }

/* ---------------------------- 版面 ---------------------------- */
.layout { display: grid; grid-template-columns: 340px minmax(0, 1fr); align-items: start; }
.sidebar {
  position: sticky; top: 51px; height: calc(100vh - 51px);
  overflow-y: auto; background: var(--bg-sidebar);
  border-right: 1px solid var(--border); padding: 14px 14px 30px;
}
.sidebar-head h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); }
.sidebar-head p  { margin: 4px 0 12px; font-size: 11.5px; }
.muted { color: var(--text-dim); }
.main { padding: 16px 20px 28px; min-width: 0; }

/* ---------------------------- 參數控制 ---------------------------- */
.param-group { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px;
               background: var(--bg-elev); overflow: hidden; }
.param-group > summary {
  cursor: pointer; padding: 9px 12px; font-weight: 600; font-size: 13px;
  list-style: none; display: flex; align-items: center; gap: 8px;
  background: var(--bg-sunken); border-bottom: 1px solid transparent;
}
.param-group[open] > summary { border-bottom-color: var(--border); }
.param-group > summary::-webkit-details-marker { display: none; }
.param-group > summary::before {
  content: "▸"; font-size: 10px; color: var(--text-faint); transition: transform .15s;
}
.param-group[open] > summary::before { transform: rotate(90deg); }
.param-group .group-desc { padding: 8px 12px 2px; font-size: 11px; color: var(--text-dim);
                           border-bottom: 1px dashed var(--border-soft); margin-bottom: 4px; }
.param-body { padding: 4px 12px 12px; }

.param {
  padding: 9px 0; border-bottom: 1px solid var(--border-soft);
}
.param:last-child { border-bottom: 0; }
.param-top { display: flex; align-items: baseline; gap: 6px; margin-bottom: 5px; }
.param-name { font-size: 12.5px; font-weight: 500; }
.param-unit { font-size: 10.5px; color: var(--text-faint); font-family: var(--mono); }
.param-info {
  margin-left: auto; width: 15px; height: 15px; flex: none; border-radius: 50%;
  border: 1px solid var(--border); color: var(--text-faint); font-size: 10px;
  display: grid; place-items: center; cursor: help; background: var(--bg-elev);
  transition: color .12s, border-color .12s;
}
.param-info:hover { color: var(--accent); border-color: var(--accent); }
.param-3d { font-size: 9px; padding: 1px 5px; border-radius: 4px; font-weight: 700;
            background: color-mix(in srgb, var(--c-green) 16%, transparent); color: var(--c-green);
            letter-spacing: .04em; }
.param-ctrl { display: flex; align-items: center; gap: 8px; }
.param-ctrl input[type="range"] { flex: 1; min-width: 0; accent-color: var(--accent); height: 18px; }
.param-ctrl input[type="number"] {
  width: 84px; flex: none; font: inherit; font-family: var(--mono); font-size: 11.5px;
  padding: 3px 6px; text-align: right; border: 1px solid var(--border);
  border-radius: 6px; background: var(--bg-elev); color: var(--text);
}
.param-ctrl input[type="number"]:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: -1px; }
.param.dirty .param-name::after { content: "•"; color: var(--c-orange); margin-left: 4px; font-size: 16px; line-height: 0; }
.presets { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.preset {
  font: inherit; font-size: 10.5px; padding: 2px 7px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--border); background: transparent; color: var(--text-dim);
}
.preset:hover { border-color: var(--accent); color: var(--accent); }
.preset.on { background: color-mix(in srgb, var(--accent) 12%, transparent);
             border-color: var(--accent); color: var(--accent); font-weight: 600; }
.param select, .scenario-row select {
  width: 100%; font: inherit; font-size: 12px; padding: 5px 7px; border-radius: 6px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text);
}
.sidebar-foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--border); }
.scenario-row label { display: block; font-size: 11px; color: var(--text-dim); margin-bottom: 4px; }

/* ---------------------------- KPI ---------------------------- */
.kpi-row { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.kpi {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 13px; box-shadow: var(--shadow); position: relative; overflow: hidden;
}
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--c-grey); }
.kpi[data-kpi="ef"]::before   { background: var(--c-orange); }
.kpi[data-kpi="eta"]::before  { background: var(--c-green); }
.kpi[data-kpi="net"]::before  { background: var(--c-sky); }
.kpi[data-kpi="cost"]::before { background: var(--c-blue); }
.kpi[data-kpi="gap"]::before  { background: var(--c-vermilion); }
.kpi-label { font-size: 11px; color: var(--text-dim); font-weight: 600; letter-spacing: .02em; }
.kpi-value { font-size: 26px; font-weight: 700; line-height: 1.15; margin: 2px 0 1px;
             font-variant-numeric: tabular-nums; display: flex; align-items: baseline; gap: 5px; }
.kpi-value em { font-style: normal; font-size: 11px; color: var(--text-faint); font-weight: 400; }
.kpi-sub { font-size: 10.5px; color: var(--text-faint); }
.kpi-value.pos span { color: var(--good); }
.kpi-value.neg span { color: var(--bad); }

/* ---------------------------- 分頁 ---------------------------- */
.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.tabs button {
  font: inherit; font-size: 13px; padding: 8px 14px; border: 0; cursor: pointer;
  background: transparent; color: var(--text-dim); border-bottom: 2px solid transparent;
  margin-bottom: -1px; border-radius: 6px 6px 0 0;
}
.tabs button:hover { color: var(--text); background: var(--bg-sunken); }
.tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.panel { display: none; }
.panel.active { display: block; animation: fade .16s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin-bottom: 12px; }
@media (max-width: 1180px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 13px 15px 15px; box-shadow: var(--shadow); min-width: 0;
}
.card h3 { font-size: 13.5px; }
.card-sub { margin: 2px 0 10px; font-size: 11px; color: var(--text-faint); font-family: var(--mono); }
.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-tall { min-height: 340px; }
.note { margin-top: 10px; font-size: 11.5px; color: var(--text-dim); line-height: 1.6;
        padding: 8px 10px; background: var(--bg-sunken); border-radius: 7px;
        border-left: 3px solid var(--c-grey); }
.note.warn { border-left-color: var(--warn); }
.note.good { border-left-color: var(--good); }
.note.bad  { border-left-color: var(--bad); }

/* ---------------------------- 表格 ---------------------------- */
.data-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.data-table th, .data-table td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--border-soft); color: var(--text); }
.data-table th { color: var(--text-dim); font-weight: 600; font-size: 10.5px;
                 text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
.data-table td:first-child, .data-table th:first-child { text-align: left; }
.data-table td { font-variant-numeric: tabular-nums; font-family: var(--mono); }
.data-table td:first-child { font-family: var(--sans); }
.data-table tr.hl td { background: color-mix(in srgb, var(--accent) 7%, transparent); font-weight: 600; }
.data-table tr.total td { border-top: 2px solid var(--border); font-weight: 700; }
.pill { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 10.5px; font-weight: 600; }
.pill.ok  { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }
.pill.no  { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.pill.mid { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }

/* 摘要清單 */
.stat-list { display: grid; gap: 7px; }
.stat-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
            padding-bottom: 6px; border-bottom: 1px dashed var(--border-soft); }
.stat-row:last-child { border-bottom: 0; }
.stat-row .k { font-size: 12px; color: var(--text-dim); }
.stat-row .v { font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; font-weight: 600; }
.stat-row .v.pos { color: var(--good); }
.stat-row .v.neg { color: var(--bad); }
.stat-row.big .v { font-size: 17px; }

/* ---------------------------- 3D 場域 ---------------------------- */
/* align-items: stretch(預設)讓場景欄跟著較高的側欄一起撐滿,消除模型框下方之空白。
   canvas 為 position:absolute 已脫離文件流,故不會與 host 高度互相回授。 */
.field-wrap { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 12px;
              align-items: stretch; }
@media (max-width: 1180px) { .field-wrap { grid-template-columns: 1fr; } }
/* 高度必須是明確值:若僅給 min-height,canvas 的 height:100% 會與 host 高度互相
   回授,配合 ResizeObserver 造成版面失控增長。 */
.scene-host {
  position: relative; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--scene-bg); box-shadow: var(--shadow);
  height: auto;
  min-height: clamp(460px, 74vh, 760px);
}
#scene-canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.scene-labels { position: absolute; inset: 0; pointer-events: none; }
.s-label {
  position: absolute; transform: translate(-50%, -50%); white-space: nowrap;
  font-size: 11px; font-weight: 600; color: #fff; padding: 2px 7px; border-radius: 5px;
  background: rgba(10,16,28,.72); border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(3px); letter-spacing: .01em;
}
.s-label.dim { font-family: var(--mono); font-size: 10.5px; font-weight: 500;
               background: rgba(10,16,28,.6); color: #cfe3ff; border-color: rgba(120,180,255,.3); }
.s-label.strata { background: rgba(10,16,28,.55); color: #ffe2b8; border-color: rgba(230,159,0,.35); }
.scene-toolbar {
  position: absolute; left: 10px; top: 10px; display: flex; flex-wrap: wrap; gap: 5px;
  align-items: center; max-width: calc(100% - 20px);
}
.chip {
  font: inherit; font-size: 11px; padding: 3px 9px; border-radius: 6px; cursor: pointer;
  background: rgba(16,24,40,.6); color: #dbe4f0; border: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(4px); display: inline-flex; align-items: center; gap: 5px;
}
.chip:hover { background: rgba(30,45,70,.8); }
.chip.on { background: var(--c-blue); border-color: var(--c-blue); color: #fff; font-weight: 600; }
.chip.toggle input { accent-color: var(--c-sky); margin: 0; }
.chip.range { cursor: default; }
.chip.range input[type=range] { width: 74px; accent-color: var(--c-sky); }
.chip.range b { font-family: var(--mono); font-size: 10px; min-width: 26px; }
.scene-toolbar .sep { width: 1px; height: 16px; background: rgba(255,255,255,.18); }
.scene-note {
  position: absolute; right: 10px; bottom: 10px; max-width: 340px; font-size: 10.5px;
  color: #b9c6d8; background: rgba(10,16,28,.6); padding: 5px 9px; border-radius: 6px;
  border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(4px); line-height: 1.45;
}
.scene-note strong { color: #fff; }

.field-side { display: flex; flex-direction: column; gap: 10px; }
.field-side h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-dim); }
.dim-table { width: 100%; border-collapse: collapse; font-size: 11.5px;
             background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); }
.dim-table td { padding: 5px 9px; border-bottom: 1px solid var(--border-soft); }
.dim-table tr:last-child td { border-bottom: 0; }
.dim-table td:last-child { text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 600; }
.dim-table tr.sec td { background: var(--bg-sunken); font-weight: 700; font-size: 10.5px;
                       text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim); }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; font-size: 11.5px; }
.legend li { display: flex; align-items: center; gap: 7px; }
.legend i { width: 13px; height: 13px; border-radius: 3px; flex: none; border: 1px solid rgba(0,0,0,.18); }

/* ---------------------------- MC 列 ---------------------------- */
.mc-bar { display: flex; align-items: center; gap: 9px; margin-bottom: 12px;
          background: var(--bg-elev); border: 1px solid var(--border);
          border-radius: var(--radius); padding: 9px 13px; }
.mc-bar label { font-size: 12px; color: var(--text-dim); }
.mc-bar select { font: inherit; font-size: 12px; padding: 4px 7px; border-radius: 6px;
                 border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); }
.mc-bar .muted { font-size: 11.5px; margin-left: auto; font-family: var(--mono); }

/* ---------------------------- 圖表元素 ---------------------------- */
.chart text { font-family: var(--sans); fill: var(--text-dim); }
.chart .axis line, .chart .axis path { stroke: var(--border); }
.chart .gridline { stroke: var(--border); stroke-dasharray: 2 3; opacity: .55; }
.chart .bar-label { font-size: 10px; fill: var(--text); font-family: var(--mono); font-variant-numeric: tabular-nums; }
.chart .cat-label { font-size: 11px; fill: var(--text); }
.chart .axis-title { font-size: 10.5px; fill: var(--text-faint); }
.chart .bar { transition: opacity .12s; }
.chart .bar:hover { opacity: .78; }
.chart .zero { stroke: var(--text-faint); stroke-width: 1; }

.tooltip {
  position: fixed; z-index: 100; max-width: 330px; pointer-events: none;
  background: var(--bg-elev); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 11px; font-size: 11.5px; line-height: 1.5;
  box-shadow: 0 10px 30px rgba(0,0,0,.6);
}
.tooltip b { display: block; margin-bottom: 3px; font-size: 12px; }
.tooltip .src { color: var(--text-dim); }

.foot { margin-top: 16px; padding-top: 10px; border-top: 1px solid var(--border);
        font-size: 11px; color: var(--text-faint); display: flex; gap: 14px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

/* ---------------------------- 手機 ---------------------------- */
@media (max-width: 720px) {
  /* 頂列在窄螢幕必須換行:原本 space-between + flex:none 會讓標題與按鈕互相重疊 */
  .topbar { flex-wrap: wrap; gap: 8px; padding: 9px 12px; position: static; }
  .brand { flex: 1 1 100%; min-width: 0; }
  .brand-text h1 { font-size: 13.5px; white-space: normal; }
  .brand-text p { display: none; }
  .topbar-actions { flex: 1 1 100%; flex-wrap: wrap; gap: 6px; }
  .badge { order: 3; flex: 1 1 100%; text-align: center; }
  .btn { font-size: 11.5px; padding: 5px 9px; }

  .sidebar { max-height: 62vh; overflow-y: auto; padding: 10px 10px 16px; }
  .main { padding: 12px 12px 22px; }
  .kpi-row { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi-value { font-size: 21px; }
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tabs button { white-space: nowrap; font-size: 12px; padding: 7px 10px; }

  .field-wrap { grid-template-columns: 1fr; }
  .scene-host { min-height: 58vh; }
  .scene-toolbar { gap: 4px; }
  .chip { font-size: 10px; padding: 2px 7px; }
  .scene-note { max-width: calc(100% - 20px); font-size: 9.5px; }

  .card { padding: 11px 12px 13px; }
  .data-table { font-size: 11px; }
  .data-table th, .data-table td { padding: 5px 5px; }
  .card-head { gap: 8px; }
}

@media (max-width: 420px) {
  .kpi-row { grid-template-columns: 1fr; }
}

/* 卡片標題列 + 分段切換 */
.card-head { display: flex; align-items: flex-start; justify-content: space-between;
             gap: 12px; flex-wrap: wrap; }
.seg { display: flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; flex: none; }
.seg button { font: inherit; font-size: 11.5px; padding: 4px 10px; border: 0; cursor: pointer;
              background: var(--bg-elev); color: var(--text-dim); white-space: nowrap; }
.seg button:hover { background: var(--bg-sunken); color: var(--text); }
.seg button.active { background: var(--accent); color: #fff; font-weight: 600; }