:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --border: #e3e6ea;
  --text: #1c2127;
  --muted: #69727d;
  --up: #d93025;      /* 台股慣例：紅漲 */
  --down: #188038;    /* 綠跌 */
  --flat: #69727d;
  --accent: #1a73e8;
  --flash-up: rgba(217, 48, 37, 0.16);
  --flash-down: rgba(24, 128, 56, 0.16);
  --bar-up: rgba(217, 48, 37, 0.18);
  --bar-down: rgba(24, 128, 56, 0.18);
  --est: #8e44ad;     /* 推估值（上市時間不足，依時間換算） */
  --bar-est: rgba(142, 68, 173, 0.16);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1d222a;
    --border: #2a3039;
    --text: #e6e9ed;
    --muted: #8b949e;
    --up: #ff6b5e;
    --down: #3ecf72;
    --flat: #8b949e;
    --accent: #6ea8ff;
    --flash-up: rgba(255, 107, 94, 0.22);
    --flash-down: rgba(62, 207, 114, 0.22);
    --bar-up: rgba(255, 107, 94, 0.22);
    --bar-down: rgba(62, 207, 114, 0.22);
    --est: #c39bff;
    --bar-est: rgba(195, 155, 255, 0.2);
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}

/* ---- header & tabs ---- */
.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar h1 { font-size: 17px; margin: 0; }
.topbar form { margin: 0; }
.tabs { display: flex; gap: 4px; margin-right: auto; }
.tabs a {
  padding: 6px 14px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.tabs a:hover { background: var(--panel-2); }
.tabs a.active { background: var(--accent); color: #fff; }

.status { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--flat); }
.status[data-state="connected"] .dot { background: var(--down); }
.status[data-state="mock"] .dot { background: var(--accent); }
.status[data-state="error"] .dot,
.status[data-state="offline"] .dot { background: var(--up); }
.clock { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; }

main { max-width: 1600px; margin: 0 auto; padding: 16px; }
h2 { font-size: 15px; font-weight: 600; margin: 0; }
.hint { color: var(--muted); font-size: 12px; margin: 0; }
.note { margin-top: 8px; line-height: 1.6; }
.spacer { flex: 1; }

.section-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 20px 0 8px; }
.section-head h2 { margin-right: auto; }
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 10px 0; }

/* ---- account cards ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.card.total { border-color: var(--accent); }
.card .t { color: var(--muted); font-size: 13px; }
.card .t:first-child { color: var(--text); font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.card .big { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; margin-bottom: 6px; }
.card .big .small { font-size: 14px; font-weight: 600; }
.card .kv { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; padding: 2px 0; font-variant-numeric: tabular-nums; }
.card .kv span:first-child { color: var(--muted); }

/* ---- tables ---- */
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { padding: 7px 10px; text-align: right; border-bottom: 1px solid var(--border); font-variant-numeric: tabular-nums; }
th { color: var(--muted); font-weight: 500; font-size: 12px; background: var(--panel); }
th[data-sort] { cursor: pointer; user-select: none; }
th[data-sort]:hover { color: var(--accent); }
.l { text-align: left; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--panel-2); }
.sticky { position: sticky; left: 0; background: var(--panel); z-index: 1; }
tbody tr:hover td.sticky { background: var(--panel-2); }
.name { color: var(--muted); }
.empty { color: var(--muted); text-align: center; padding: 22px; }

.matrix th.acct { text-align: center; color: var(--text); font-weight: 600; border-left: 2px solid var(--border); }
.matrix .bl { border-left: 2px solid var(--border); }
.matrix td.lots { font-weight: 600; }
.matrix tr.group td { background: var(--panel-2); font-weight: 600; border-top: 2px solid var(--border); }
.matrix tr.group small { font-weight: 500; }

td.pb { position: relative; z-index: 0; min-width: 76px; }
.pbar { position: absolute; top: 6px; bottom: 6px; right: 0; border-radius: 3px; z-index: -1; pointer-events: none; }
.pbar.up { background: var(--bar-up); }
.pbar.down { background: var(--bar-down); }
.pbar.est { background: var(--bar-est); }
td.est { color: var(--est); font-style: italic; cursor: help; }
.legend-est { color: var(--est); font-style: italic; }

/* 總排名 badge beside the ticker */
.rank {
  display: inline-block;
  min-width: 26px;
  margin-right: 6px;
  padding: 0 5px;
  border-radius: 6px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  cursor: help;
}
.rank.top { background: var(--accent); color: #fff; }
.rank.bottom { opacity: 0.6; }
/* 四分位: 1 = top 25% (red, as in the original), 4 = bottom 25% (green) */
td.qt { text-align: center; }
td.qt.q1 { color: var(--up); }
td.qt.q4 { color: var(--down); }
td.qt.q0 { color: var(--muted); }
th [data-sort] { cursor: pointer; }
th [data-sort]:hover { color: var(--accent); }

.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--flat); }
td.flash-up { background: var(--flash-up) !important; }
td.flash-down { background: var(--flash-down) !important; }

/* ---- 自選 group bar ---- */
.groupbar { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.groupbar button {
  font: inherit;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
}
.groupbar button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.groupbar button .count { margin-left: 6px; font-size: 12px; opacity: 0.7; }
.groupbar button.tool { color: var(--muted); border-style: dashed; }

/* ---- controls ---- */
button {
  font: inherit;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }
button.ghost { background: transparent; color: var(--muted); border-color: var(--border); padding: 5px 11px; font-size: 13px; }
button.ghost:hover { color: var(--accent); border-color: var(--accent); }
button.icon { background: transparent; border: none; color: var(--muted); padding: 2px 6px; font-size: 15px; }
button.icon:hover { color: var(--up); }

input {
  font: inherit;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  min-width: 0;
}
#watch-form input { width: 200px; }

/* ---- 設定庫存 editor ---- */
.editor td, .editor th { padding: 4px 6px; }
.editor input { width: 90px; text-align: right; padding: 4px 6px; }
.editor input.code { width: 90px; text-align: left; text-transform: uppercase; }
.editor th.acct-head { white-space: nowrap; }
.editor th.acct-head input { width: 80px; text-align: center; font-weight: 600; color: var(--text); }
.editor tr.sub th { padding-top: 0; }

.msg {
  margin-bottom: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
}
.msg[data-kind="error"] { border-color: var(--up); color: var(--up); }

/* ---- login ---- */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 340px; display: grid; gap: 14px; }
.login h1 { font-size: 20px; margin: 0 0 4px; }
.login label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }
.login input { padding: 8px 10px; }
.error { color: var(--up); margin: 0; }

@media (max-width: 640px) {
  .topbar { gap: 8px 12px; }
  .tabs { order: 5; width: 100%; }
  .tabs a { flex: 1; text-align: center; }
  .clock { display: none; }
  .card .big { font-size: 20px; }
  #watch-form input { width: 100%; flex: 1; }
}