:root {
  color-scheme: light;
  --page: #f4f4f1; --surface: #fcfcfb; --surface-2: #f0efec; --ink: #0b0b0b; --ink-2: #52514e; --muted: #898781;
  --grid: #e7e6e0; --axis: #c3c2b7; --border: rgba(11,11,11,0.10);
  --up: #d93a3a; --down: #2a6fd6;          /* 한국식: 상승 빨강, 하락 파랑 */
  --good: #0a8f3c; --bad: #d03b3b; --warn-bg: #fff6e0; --warn-ink: #6b4a00;
  --accent: #1f5fbf; --accent-ink: #ffffff;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #898781;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #171716; --surface-2: #222220; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #262624; --axis: #383835; --border: rgba(255,255,255,0.10);
    --up: #f0564f; --down: #4a8fea; --good: #2bbf5c; --bad: #f06a6a; --warn-bg: #2a2410; --warn-ink: #f2d27a;
    --accent: #4a8fea; --accent-ink: #0b0b0b;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #898781;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #171716; --surface-2: #222220; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #262624; --axis: #383835; --border: rgba(255,255,255,0.10);
  --up: #f0564f; --down: #4a8fea; --good: #2bbf5c; --bad: #f06a6a; --warn-bg: #2a2410; --warn-ink: #f2d27a;
  --accent: #4a8fea; --accent-ink: #0b0b0b;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #898781;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--accent); }

/* 상단 바 */
header.top { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--border); }
header.top .bar { max-width: 1280px; margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 0 16px; height: 54px; }
.brand { font-weight: 750; letter-spacing: -0.02em; white-space: nowrap; display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 10px; height: 10px; border-radius: 3px; background: linear-gradient(135deg, var(--up), var(--down)); }
nav.main { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
nav.main a { text-decoration: none; color: var(--ink-2); padding: 7px 11px; border-radius: 8px; white-space: nowrap; font-size: 14px; }
nav.main a.on { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.who { color: var(--muted); font-size: 13px; white-space: nowrap; display: flex; gap: 10px; align-items: center; }
.who button { background: none; border: 0; color: var(--muted); cursor: pointer; padding: 4px; }
nav.tabbar { display: none; }
@media (max-width: 760px) {
  nav.main { display: none; }
  nav.tabbar { display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 20; background: var(--surface);
    border-top: 1px solid var(--border); padding-bottom: env(safe-area-inset-bottom); }
  nav.tabbar a { flex: 1; text-align: center; text-decoration: none; color: var(--muted); font-size: 11.5px; padding: 8px 0 7px; }
  nav.tabbar a b { display: block; font-size: 17px; line-height: 1.1; font-weight: 500; }
  nav.tabbar a.on { color: var(--ink); font-weight: 600; }
  main { padding-bottom: 80px !important; }
}

main { max-width: 1280px; margin: 0 auto; padding: 20px 16px 40px; }
h1 { font-size: 22px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 17px; margin: 28px 0 10px; }
h3 { font-size: 15px; margin: 0 0 8px; }
.sub { color: var(--ink-2); margin: 0 0 14px; font-size: 14px; }
.note { color: var(--muted); font-size: 13px; }
footer.disc { text-align: center; color: var(--muted); font-size: 12px; padding: 18px 16px 28px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.grid { display: grid; gap: 12px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 900px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.big { font-size: 26px; font-weight: 700; line-height: 1.15; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: auto auto; gap: 3px 12px; font-size: 14px; }
.kv > :nth-child(odd) { color: var(--ink-2); }
.kv > :nth-child(even) { text-align: right; font-variant-numeric: tabular-nums; }
.up { color: var(--up); } .down { color: var(--down); }
.pos { color: var(--good); } .neg { color: var(--bad); }
.tag { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--ink-2); }
.tag.long { color: var(--up); } .tag.short { color: var(--down); }
.banner { background: var(--warn-bg); color: var(--warn-ink); border-radius: 10px; padding: 10px 14px; font-size: 14px; margin: 10px 0; }
.empty { color: var(--muted); border: 1px dashed var(--axis); border-radius: var(--radius); padding: 14px 16px; font-size: 14px; }

/* 입력·버튼 */
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--ink); border-radius: 9px; padding: 8px 14px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
.btn.buy { background: var(--up); border-color: var(--up); color: #fff; font-weight: 600; }
.btn.sell { background: var(--down); border-color: var(--down); color: #fff; font-weight: 600; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 9px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 5px 11px; border-radius: 7px; cursor: pointer; color: var(--ink-2); font-size: 13.5px; }
.seg button.on { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0,0,0,0.08); }
input[type=text], input[type=password], input[type=number], input[type=date], select, textarea {
  background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; width: 100%; min-width: 0; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 0; }
label.f { display: grid; gap: 4px; font-size: 13px; color: var(--ink-2); }
.form { display: grid; gap: 12px; }

/* 표 */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { padding: 7px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--grid); font-variant-numeric: tabular-nums; }
th { color: var(--ink-2); font-weight: 600; position: sticky; top: 0; background: var(--surface); }
td.l, th.l { text-align: left; }
td.wrap { white-space: normal; min-width: 200px; }
tr:last-child td { border-bottom: none; }
.scroll { max-height: 460px; overflow: auto; }

/* 로그인 */
.auth { max-width: 380px; margin: 8vh auto 0; }
.auth .card { padding: 22px; }
.err { color: var(--bad); font-size: 13.5px; min-height: 1.2em; }

/* 차트 */
.chart-box { position: relative; height: 440px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.chart-box .legend { position: absolute; left: 10px; top: 8px; z-index: 3; font-size: 12.5px; color: var(--ink-2); pointer-events: none;
  font-variant-numeric: tabular-nums; display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 560px) { .chart-box { height: 340px; } }

/* 검색 */
.search { position: relative; }
.search .drop { position: absolute; left: 0; right: 0; top: calc(100% + 4px); z-index: 30; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.12); max-height: 360px; overflow: auto; display: none; }
.search .drop.open { display: block; }
.search .item { padding: 8px 12px; cursor: pointer; display: flex; gap: 8px; align-items: center; }
.search .item:hover, .search .item.hl { background: var(--surface-2); }
.search .item b { min-width: 72px; }
.search .item span { color: var(--ink-2); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search .head { padding: 6px 12px; font-size: 12px; color: var(--muted); }

/* 빨리감기 */
.play-top { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 12px; }
.today { font-size: 22px; font-weight: 750; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.progress { height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; min-width: 160px; flex: 1; }
.progress > div { height: 100%; background: var(--accent); border-radius: 999px; transition: width .2s; }
.play-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 12px; align-items: start; }
@media (max-width: 980px) { .play-grid { grid-template-columns: 1fr; } }
.preset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; }
.preset { text-align: left; border: 1px solid var(--border); background: var(--surface); border-radius: 10px; padding: 10px 12px; cursor: pointer; }
.preset:hover, .preset.on { border-color: var(--accent); }
.preset b { display: block; font-size: 14px; }
.preset span { color: var(--muted); font-size: 12.5px; }
.order .sidebtns { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.order .sidebtns button { padding: 9px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface-2); cursor: pointer; font-weight: 600; color: var(--ink-2); }
.order .sidebtns button.on.buy { background: var(--up); color: #fff; border-color: var(--up); }
.order .sidebtns button.on.sell { background: var(--down); color: #fff; border-color: var(--down); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--border); background: var(--surface); border-radius: 999px; padding: 3px 11px; font-size: 13px; cursor: pointer; color: var(--ink-2); }
.chip.on { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.msgs { display: grid; gap: 4px; font-size: 13px; }
.msgs .e { color: var(--bad); } .msgs .w { color: var(--warn-ink); background: var(--warn-bg); padding: 4px 8px; border-radius: 6px; }
.riskbox { background: var(--surface-2); border-radius: 9px; padding: 8px 10px; font-size: 13px; display: grid; gap: 2px; }
.versus { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; text-align: center; }
.versus .vs { color: var(--muted); font-weight: 700; }
.win { color: var(--good); font-weight: 700; }
.draw-tools button { font-size: 12.5px; }
.line-chart { height: 260px; position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }

.modal { position: fixed; inset: 0; z-index: 60; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal textarea { background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 10px; width: 100%; resize: vertical; }
.who .btn.small { color: var(--ink-2); }
@media (max-width: 760px) { .who > span { display: none; } }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--surface);
  padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 50; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: 90vw; }
.toast.show { opacity: 1; }
@media (max-width: 760px) { .toast { bottom: 84px; } }