/* ── tokens ─────────────────────────────────────────────────────────────
   ink:    deep warm charcoal, not pure black — a lit room, not a void
   gold:   HK signage gold (the 金魚缸 trading-hall vernacular); the one accent
   up/dn:  HK market convention — red rises, green falls
──────────────────────────────────────────────────────────────────────── */
:root {
  --bg: #0c0e13;
  --surface: #12151c;
  --surface-2: #191d26;
  --surface-3: #202531;
  --border: #262b37;
  --hairline: #1d212b;
  --ink: #e9e7e0;
  --ink-2: #a0a4ad;
  --ink-3: #646b78;
  --gold: #d9ab52;
  --gold-dim: #8a6f3c;
  --gold-wash: rgba(217, 171, 82, .08);
  --up: #f0465a;
  --down: #27b083;
  --warn: #d9ab52;
  --err: #f0465a;
  --mono: "IBM Plex Mono", Consolas, "SF Mono", monospace;
  --serif-tc: "Noto Serif TC", "Songti TC", "SimSun", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 13.5px/1.55 "Inter", "Segoe UI", "Microsoft JhengHei", system-ui, sans-serif;
}

/* ── header: the signature block ──────────────────────────────────────── */

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px 28px 16px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 500px 120px at 0% 0%, var(--gold-wash), transparent 70%),
    var(--surface);
}

h1 { margin: 0; display: flex; align-items: baseline; gap: 14px; }

.mark {
  font-family: var(--serif-tc);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--gold);
  line-height: 1;
}
.mark::before, .mark::after { color: var(--gold-dim); font-weight: 400; }
.mark::before { content: "「"; margin-right: 2px; }
.mark::after  { content: "」"; margin-left: 2px; }

.wordmark {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.session-info {
  color: var(--ink-2);
  font-size: 12.5px;
  margin-top: 7px;
  display: flex;
  align-items: center;
  gap: 8px;
}
#hkt-clock { font-family: var(--mono); color: var(--ink); }
.session-info .dot { color: var(--ink-3); }
#session-label { color: var(--ink-2); }

.header-right { display: flex; align-items: center; gap: 14px; }
.conn {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--ink-2); white-space: nowrap;
}
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-3); }
.conn.ok .conn-dot { background: var(--down); box-shadow: 0 0 6px rgba(39,176,131,.6); }
.conn.bad .conn-dot { background: var(--err); }
.logout {
  font: inherit; font-size: 12px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 7px; padding: 5px 12px; cursor: pointer;
}
.logout:hover { color: var(--ink); border-color: var(--ink-3); }
.logout:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }

/* ── login page ───────────────────────────────────────────────────────── */
.login-body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 24px;
  background:
    radial-gradient(ellipse 600px 300px at 50% 0%, var(--gold-wash), transparent 70%),
    var(--bg);
}
.login-card {
  width: min(360px, 100%);
  display: flex; flex-direction: column; gap: 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px 30px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.login-mark {
  font-family: var(--serif-tc); font-size: 40px; font-weight: 700;
  letter-spacing: 6px; color: var(--gold); text-align: center; line-height: 1;
}
.login-word {
  text-align: center; font-size: 11px; font-weight: 600;
  letter-spacing: .24em; text-transform: uppercase; color: var(--ink-2);
  margin-bottom: 8px;
}
.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-field span {
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
}
.login-field input {
  padding: 10px 13px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--ink); font: inherit; outline: none;
}
.login-field input:focus {
  border-color: var(--gold-dim); box-shadow: 0 0 0 3px var(--gold-wash);
}
#login-btn {
  margin-top: 6px; padding: 10px; border-radius: 9px; cursor: pointer;
  font: inherit; font-weight: 600; letter-spacing: .04em;
  background: var(--gold); border: none; color: #1a1408;
}
#login-btn:hover { background: #e6bb63; }
#login-btn:disabled { opacity: .6; cursor: default; }
.login-error { color: var(--up); font-size: 12.5px; min-height: 18px; text-align: center; }

/* ── banner ───────────────────────────────────────────────────────────── */

.banner {
  margin: 18px 28px 0;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid;
  font-size: 13px;
}
.banner.error { border-color: #52222c; background: #221317; color: #f0a9b3; }
.banner.info  { border-color: #2b3a52; background: #131b28; color: #9fc0e8; }
.hidden { display: none; }

/* ── search ───────────────────────────────────────────────────────────── */

.toolbar {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 28px 0;
}
.searchwrap {
  position: relative;
  flex: 0 1 400px;
}
.searchwrap::before {
  content: "";
  position: absolute; left: 14px; top: 50%;
  width: 13px; height: 13px;
  transform: translateY(-58%);
  background: no-repeat center / contain
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23646b78' stroke-width='2.4' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.8-3.8'/%3E%3C/svg%3E");
  pointer-events: none;
}
#search {
  width: 100%;
  padding: 9px 16px 9px 38px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color .15s, background .15s;
}
#search:hover { border-color: var(--surface-3); }
#search:focus {
  border-color: var(--gold-dim);
  background: var(--surface-2);
  box-shadow: 0 0 0 3px var(--gold-wash);
}
#search::placeholder { color: var(--ink-3); }
#search::-webkit-search-cancel-button { filter: grayscale(1) brightness(.6); }
#search-hits { font-size: 12px; color: var(--ink-3); }

/* ── sections & tables ────────────────────────────────────────────────── */

main { padding: 22px 28px 44px; display: grid; gap: 34px; }

h2 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0 0 10px;
  display: flex; align-items: baseline; gap: 10px;
}
.count { color: var(--ink-3); font-weight: 500; letter-spacing: 0; }
.hint {
  margin-left: auto;
  font-size: 11.5px; font-weight: 400;
  letter-spacing: 0; text-transform: none;
  color: var(--ink-3);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

table { border-collapse: collapse; width: 100%; min-width: 860px; }
th, td { padding: 9px 14px; text-align: left; white-space: nowrap; }
th {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-3); font-weight: 600;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--surface); z-index: 1;
}
td { border-bottom: 1px solid var(--hairline); }
tbody tr:last-child td { border-bottom: none; }
.num { text-align: right; }
td.num { font-family: var(--mono); font-size: 12.5px; }

tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
tr.clickable:hover .code { color: var(--gold); }
tr.clickable:hover td:first-child { box-shadow: inset 2px 0 0 var(--gold); }

.code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-2);
  transition: color .12s;
}
.name { max-width: 240px; overflow: hidden; text-overflow: ellipsis; }
.name .sub-name {
  display: block; font-size: 11px; color: var(--ink-3);
  letter-spacing: .02em;
}
.muted { color: var(--ink-3); }
td.muted, .muted td { font-family: var(--mono); font-size: 12px; }

.price { font-weight: 600; color: var(--ink); }
.up   { color: var(--up); }
.down { color: var(--down); }

.flash { animation: flash .55s ease-out; }
@keyframes flash { from { background: var(--gold-wash); } to { background: transparent; } }

/* status badges — state is never color alone: text + dot */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2.5px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: .04em;
  border: 1px solid var(--border); color: var(--ink-2); background: var(--surface-2);
}
.badge::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.badge.live  { color: #3ecf9c; border-color: #1c4f3d; background: #10231c; }
.badge.live::before { animation: pulse 1.6s infinite; }
.badge.ended { color: var(--ink-2); }
.badge.pre   { color: var(--gold); border-color: #4d3f1e; background: #241d10; }
@keyframes pulse { 50% { opacity: .3; } }

.empty { padding: 30px 16px; text-align: center; color: var(--ink-3); }

.pager {
  display: flex; align-items: center; justify-content: center; gap: 4px;
  margin-top: 12px;
}
.pager button {
  font-family: var(--mono);
  min-width: 30px; height: 28px; padding: 0 8px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--ink-2); border-radius: 7px; cursor: pointer; font-size: 12px;
}
.pager button:hover:not(:disabled) { color: var(--ink); border-color: var(--ink-3); }
.pager button.active { color: var(--gold); border-color: var(--gold-dim); background: var(--gold-wash); }
.pager button:disabled { opacity: .35; cursor: default; }
.pager .ellipsis { color: var(--ink-3); padding: 0 4px; font-family: var(--mono); font-size: 12px; }
.pager button:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }

/* ── chart modal ──────────────────────────────────────────────────────── */

.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(6, 8, 12, .74);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(2px);
}
.modal.hidden { display: none; }
.modal-box {
  width: min(900px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px 22px;
  box-shadow: 0 24px 70px rgba(0,0,0,.55);
}
.modal-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 14px; margin-bottom: 12px;
}
.modal-title { font-size: 16px; font-weight: 600; }
.modal-sub {
  font-family: var(--mono);
  font-size: 11.5px; margin-top: 4px; color: var(--ink-3);
}
.modal-controls { display: flex; align-items: center; gap: 12px; }
#modal-close {
  background: none; border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 8px; width: 30px; height: 30px; cursor: pointer; font-size: 12px;
}
#modal-close:hover { color: var(--ink); border-color: var(--ink-3); }
#modal-close:focus-visible, .ranges button:focus-visible, #search:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 1px;
}
.ranges { display: flex; gap: 4px; }
.ranges button {
  font-family: var(--mono);
  background: var(--surface-2); border: 1px solid var(--border); color: var(--ink-2);
  border-radius: 7px; padding: 4px 10px; cursor: pointer; font-size: 11.5px;
}
.ranges button:hover { color: var(--ink); }
.ranges button.active { color: var(--gold); border-color: var(--gold-dim); background: var(--gold-wash); }

.modal-chart { position: relative; min-height: 300px; }
.modal-chart svg { display: block; width: 100%; height: auto; }
.chart-msg { padding: 95px 20px; text-align: center; color: var(--ink-3); }
.chart-tip {
  position: absolute; pointer-events: none; display: none;
  background: var(--surface-3); border: 1px solid var(--border);
  border-radius: 7px; padding: 5px 10px; font-size: 11.5px;
  font-family: var(--mono);
  color: var(--ink); white-space: nowrap;
  transform: translate(-50%, -135%);
}

/* ── footer & misc ────────────────────────────────────────────────────── */

footer {
  padding: 16px 28px 30px; color: var(--ink-3); font-size: 11.5px;
  border-top: 1px solid var(--hairline);
}

@media (max-width: 700px) {
  header, main, .banner, .toolbar, footer { padding-left: 14px; padding-right: 14px; }
  .mark { font-size: 24px; }
  .toolbar { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .flash { animation: none; }
  .badge.live::before { animation: none; }
  * { transition: none !important; }
}