:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --border: #e2e5ea;
  --text: #16181d;
  --muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #e8efff;
  --bull: #15803d;
  --bull-soft: #e7f6ec;
  --bear: #c62828;
  --bear-soft: #fdecec;
  --info: #a16207;
  --info-soft: #fdf6e3;
  --star: #e0a100;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --surface-2: #1e222b;
    --border: #2a2f3a;
    --text: #e8eaef;
    --muted: #9aa1ad;
    --accent: #6d9eff;
    --accent-soft: #1d2a45;
    --bull: #4ade80;
    --bull-soft: #13291c;
    --bear: #f87171;
    --bear-soft: #331818;
    --info: #facc15;
    --info-soft: #2f2a12;
    --star: #facc15;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* ---------- controls */
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  border-radius: 8px; padding: 7px 12px; font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--surface-2); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.small { padding: 4px 9px; font-size: 13px; }
.btn.ghost { border-color: transparent; background: transparent; }
input[type=text], input[type=number], input[type=password], input[type=search], select {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; min-width: 0;
}
input:focus, select:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.switch { position: relative; display: inline-block; width: 36px; height: 20px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch span {
  position: absolute; inset: 0; border-radius: 20px; background: var(--border); transition: .15s; cursor: pointer;
}
.switch span::after {
  content: ""; position: absolute; width: 16px; height: 16px; left: 2px; top: 2px; border-radius: 50%;
  background: #fff; transition: .15s; box-shadow: 0 1px 2px rgba(0,0,0,.25);
}
.switch input:checked + span { background: var(--accent); }
.switch input:checked + span::after { transform: translateX(16px); }
.switch input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }

.seg { display: inline-flex; background: var(--surface-2); border-radius: 9px; padding: 3px; gap: 2px; }
.seg button {
  border: 0; background: transparent; color: var(--muted); font: inherit; font-weight: 500;
  padding: 5px 12px; border-radius: 7px; cursor: pointer;
}
.seg button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

.badge {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 99px;
  background: var(--surface-2); color: var(--muted); vertical-align: 1px;
}
.badge.warn { background: var(--info-soft); color: var(--info); }
.badge.bad { background: var(--bear-soft); color: var(--bear); }
.up { color: var(--bull); }
.down { color: var(--bear); }

/* ---------- login */
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card {
  width: 100%; max-width: 340px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px 24px; display: grid; gap: 10px; box-shadow: var(--shadow);
}
.login-card .brand { margin-bottom: 10px; }
.login-card label { font-weight: 500; color: var(--muted); font-size: 13px; }
.login-card .btn { margin-top: 6px; padding: 9px; }
.err { color: var(--bear); margin: 0; font-size: 13px; }

/* ---------- layout */
.brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.brand-mark { color: var(--accent); }
header.top {
  position: sticky; top: 0; z-index: 10; background: var(--surface); border-bottom: 1px solid var(--border);
}
.top-inner {
  max-width: 1100px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.status { color: var(--muted); font-size: 13px; flex: 1; min-width: 180px; }
.top-actions { display: flex; gap: 8px; }
nav.tabs { max-width: 1100px; margin: 0 auto; padding: 0 16px; display: flex; gap: 4px; }
nav.tabs button {
  border: 0; background: none; font: inherit; font-weight: 500; color: var(--muted); padding: 8px 12px;
  border-bottom: 2px solid transparent; cursor: pointer;
}
nav.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-pad { padding: 14px 16px; }
h2 { font-size: 15px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 0 0 8px; }

/* ---------- watchlist */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar .grow { flex: 1 1 180px; }
.presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-bottom: 12px; }
.preset { display: flex; align-items: center; gap: 10px; padding: 10px 12px; }
.preset .p-main { flex: 1; min-width: 0; }
.preset .p-name { font-weight: 600; }
.preset .p-sub { font-size: 12px; color: var(--muted); }

.add-row { display: flex; gap: 8px; }
.add-row input { width: 130px; text-transform: uppercase; }

.list-head, .row {
  display: grid; align-items: center; gap: 10px;
  grid-template-columns: 28px minmax(90px, 1.1fr) 90px 70px 50px 90px minmax(170px, 1.4fr) 44px 30px;
  padding: 7px 12px;
}
.list-head { font-size: 12px; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); position: sticky; top: 0; }
.row { border-bottom: 1px solid var(--border); }
.row:last-child { border-bottom: 0; }
.row.off { opacity: .5; }
.row .tk { font-weight: 600; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.row .r { text-align: right; }
.levels { display: flex; gap: 6px; }
.levels input { width: 100%; padding: 4px 7px; font-size: 13px; }
.star { border: 0; background: none; font-size: 17px; cursor: pointer; color: var(--border); padding: 0; line-height: 1; }
.star.on { color: var(--star); }
.del { border: 0; background: none; color: var(--muted); cursor: pointer; font-size: 16px; padding: 0; }
.del:hover { color: var(--bear); }
.list-foot { padding: 10px 12px; color: var(--muted); font-size: 13px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

@media (max-width: 760px) {
  .list-head { display: none; }
  .row {
    grid-template-columns: 24px 1fr auto auto;
    grid-template-areas:
      "star tk   px   sw"
      ".    meta meta del"
      ".    lv   lv   lv";
    row-gap: 6px;
  }
  .row .c-star { grid-area: star; }
  .row .tk { grid-area: tk; }
  .row .c-px { grid-area: px; }
  .row .c-sw { grid-area: sw; }
  .row .c-del { grid-area: del; text-align: right; }
  .row .c-meta { grid-area: meta; display: flex; gap: 12px; font-size: 12px; color: var(--muted); }
  .row .c-chg, .row .c-rsi, .row .c-val { display: none; }
  .row .c-lv { grid-area: lv; }
}
@media (min-width: 761px) { .row .c-meta { display: none; } }

/* ---------- signals */
.sig { display: grid; grid-template-columns: 4px 1fr auto; gap: 12px; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--border); }
.sig:last-child { border-bottom: 0; }
.sig .bar { border-radius: 0 3px 3px 0; }
.sig.bull .bar { background: var(--bull); }
.sig.bear .bar { background: var(--bear); }
.sig.info .bar { background: var(--info); }
.sig .s-title { font-weight: 600; }
.sig .s-detail { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.sig .s-side { text-align: right; font-size: 12px; color: var(--muted); white-space: nowrap; }
.sig .s-price { font-size: 14px; color: var(--text); font-weight: 600; }

/* ---------- settings */
.settings { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.field { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.field:last-child { border-bottom: 0; }
.field label { font-weight: 500; }
.field .help { grid-column: 1 / -1; font-size: 12px; color: var(--muted); }
.field input[type=number] { width: 120px; text-align: right; }
.rule-params { display: flex; gap: 8px; flex-wrap: wrap; grid-column: 1 / -1; }
.rule-params label { font-size: 12px; color: var(--muted); font-weight: 400; display: grid; gap: 2px; }
.rule-params input { width: 80px !important; }
.save-bar { display: flex; gap: 10px; align-items: center; margin-top: 14px; }

.toast {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--text); color: var(--bg);
  padding: 9px 16px; border-radius: 9px; font-weight: 500; z-index: 50; max-width: calc(100% - 32px);
}