:root {
  color-scheme: light;
  --ink: #f2f1e9;
  --panel: #fbfbf6;
  --panel-raised: #ffffff;
  --panel-transparent: rgba(251, 251, 246, .88);
  --line: #d7d9d1;
  --line-bright: #aab1a8;
  --text: #172025;
  --muted: #66747b;
  --acid: #526c00;
  --acid-fill: #c9ff35;
  --acid-ink: #11150a;
  --cyan: #007e9b;
  --orange: #a54f00;
  --red: #c82d3b;
  --green: #087a40;
  --glow-cyan: rgba(0, 126, 155, .11);
  --glow-acid: rgba(82, 108, 0, .08);
  --header-bg: rgba(242, 241, 233, .88);
  --tab-bg: #ecece4;
  --login-gradient: linear-gradient(145deg, rgba(255, 255, 251, .98), rgba(239, 239, 231, .98));
  --shadow: rgba(38, 45, 38, .13);
  --warning-bg: rgba(165, 79, 0, .08);
  --warning-text: #7f3d00;
  --table-head: #eeeee7;
  --row-hover: rgba(82, 108, 0, .045);
  --log-bg: #e9ebe4;
  --log-text: #35483e;
  --toast-bg: #ffffff;
  --grain-opacity: .025;
  --display: "Avenir Next Condensed", "Arial Narrow", sans-serif;
  --body: "Avenir Next", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #0b0d0f;
  --panel: #121518;
  --panel-raised: #171b1f;
  --panel-transparent: rgba(18, 21, 24, .88);
  --line: #2a3035;
  --line-bright: #3c454c;
  --text: #f0f3ef;
  --muted: #8d999f;
  --acid: #c9ff35;
  --acid-fill: #c9ff35;
  --acid-ink: #10130b;
  --cyan: #45d9ff;
  --orange: #ff9b51;
  --red: #ff5f68;
  --green: #64e39a;
  --glow-cyan: rgba(69, 217, 255, .11);
  --glow-acid: rgba(201, 255, 53, .06);
  --header-bg: rgba(11, 13, 15, .86);
  --tab-bg: #0e1113;
  --login-gradient: linear-gradient(145deg, rgba(23, 27, 31, .98), rgba(13, 15, 17, .98));
  --shadow: rgba(0, 0, 0, .28);
  --warning-bg: rgba(255, 155, 81, .08);
  --warning-text: #ffd4b4;
  --table-head: #101316;
  --row-hover: rgba(201, 255, 53, .025);
  --log-bg: #090b0c;
  --log-text: #afc0b7;
  --toast-bg: #171b1f;
  --grain-opacity: .03;
}

* { box-sizing: border-box; }

html { background: var(--ink); }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 82% -10%, var(--glow-cyan), transparent 30rem),
    radial-gradient(circle at 5% 30%, var(--glow-acid), transparent 24rem),
    var(--ink);
  font-family: var(--body);
  font-size: 15px;
}

button, input, select { font: inherit; }
button { color: inherit; }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

[hidden] { display: none !important; }

.loading-view,
.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.loading-view img {
  width: 66px;
  filter: grayscale(1) brightness(1.8);
}

.loading-view { align-content: center; gap: 18px; }
.loading-view p { margin: 0; color: var(--muted); font: 700 11px/1 var(--mono); letter-spacing: 0.2em; }
.loading-line { width: 190px; height: 2px; overflow: hidden; background: var(--line); }
.loading-line span { display: block; width: 42%; height: 100%; background: var(--acid); animation: loading 1.1s infinite ease-in-out; }

@keyframes loading {
  from { transform: translateX(-110%); }
  to { transform: translateX(350%); }
}

.login-card {
  width: min(100%, 620px);
  position: relative;
  padding: clamp(30px, 7vw, 68px);
  border: 1px solid var(--line-bright);
  background: var(--login-gradient);
  box-shadow: 28px 28px 0 var(--shadow);
}

.login-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 95px;
  height: 4px;
  background: var(--acid-fill);
}

.login-mark { display: flex; align-items: center; gap: 12px; margin-bottom: 54px; color: var(--muted); font: 700 10px/1 var(--mono); letter-spacing: .16em; }
.login-mark img { width: 36px; height: 36px; object-fit: contain; }
.eyebrow { color: var(--acid); font: 700 11px/1 var(--mono); letter-spacing: .18em; }
.login-card h1 { margin: 14px 0 18px; font: 700 clamp(34px, 7vw, 58px)/1.04 var(--display); letter-spacing: -.035em; }
.login-copy { max-width: 430px; margin: 0 0 42px; color: var(--muted); line-height: 1.7; }
.login-card label { display: block; margin-bottom: 9px; color: var(--muted); font-size: 12px; }
.password-row { display: flex; border-bottom: 1px solid var(--line-bright); }
.password-row:focus-within { border-color: var(--acid); }
.password-row input { flex: 1; min-width: 0; padding: 14px 4px; color: var(--text); border: 0; outline: 0; background: transparent; }
.password-row button { padding: 0 22px; border: 0; background: var(--acid-fill); color: var(--acid-ink); font-weight: 800; cursor: pointer; }
.form-error { min-height: 1.4em; margin: 10px 0 0; color: var(--red); font-size: 12px; }

.app-shell { min-height: 100vh; }
.topbar { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 clamp(18px, 4vw, 56px); border-bottom: 1px solid var(--line); background: var(--header-bg); backdrop-filter: blur(18px); position: sticky; top: 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font: 600 17px/1 var(--display); letter-spacing: .08em; }
.brand img { width: 35px; height: 35px; object-fit: contain; }
.brand strong { color: var(--acid); }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.theme-switcher { display: flex; align-items: center; gap: 2px; padding: 3px; border: 1px solid var(--line); background: var(--panel-transparent); }
.theme-switcher button { display: flex; align-items: center; gap: 5px; height: 28px; padding: 0 8px; border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.theme-switcher button:hover { color: var(--text); }
.theme-switcher button.active { background: var(--acid-fill); color: var(--acid-ink); }
.theme-switcher button span { font-size: 12px; }
.theme-switcher button b { font: 700 9px/1 var(--body); }
.sync-state { display: flex; align-items: center; gap: 8px; color: var(--muted); font: 500 11px/1 var(--mono); }
.sync-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.sync-dot.loading { background: var(--orange); box-shadow: 0 0 12px var(--orange); animation: pulse 1s infinite; }
.sync-dot.error { background: var(--red); box-shadow: 0 0 12px var(--red); }
@keyframes pulse { 50% { opacity: .35; } }
.icon-button, .text-button { border: 1px solid var(--line); background: transparent; cursor: pointer; }
.icon-button { width: 36px; height: 36px; font-size: 20px; }
.text-button { padding: 9px 13px; color: var(--muted); font-size: 12px; }
.icon-button:hover, .text-button:hover { border-color: var(--line-bright); color: var(--text); }

.market-tabs { display: flex; gap: 0; overflow-x: auto; padding: 0 clamp(18px, 4vw, 56px); border-bottom: 1px solid var(--line); background: var(--tab-bg); }
.market-tab { min-width: 165px; padding: 18px 20px 16px; border: 0; border-right: 1px solid var(--line); border-bottom: 3px solid transparent; background: transparent; text-align: left; cursor: pointer; }
.market-tab:first-child { border-left: 1px solid var(--line); }
.market-tab span { display: block; color: var(--muted); font: 700 9px/1 var(--mono); letter-spacing: .13em; }
.market-tab strong { display: block; margin-top: 7px; font: 700 15px/1 var(--display); }
.market-tab.active { border-bottom-color: var(--acid); background: var(--glow-acid); }
.market-tab.active span { color: var(--acid); }

.dashboard { width: min(100%, 1540px); margin: 0 auto; padding: clamp(24px, 4vw, 56px); }
.market-hero { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px; margin-bottom: 30px; }
.market-hero .eyebrow { margin: 0 0 9px; }
.market-hero h1 { margin: 0; font: 700 clamp(40px, 7vw, 84px)/.9 var(--display); letter-spacing: -.045em; }
.hero-price { text-align: right; }
.hero-price strong { display: block; font: 700 clamp(28px, 4vw, 48px)/1 var(--display); }
.hero-price span { display: block; margin-top: 8px; font: 600 12px/1 var(--mono); }

.warning-stack { display: grid; gap: 8px; margin-bottom: 18px; }
.warning { padding: 12px 14px; border-left: 3px solid var(--orange); background: var(--warning-bg); color: var(--warning-text); font-size: 13px; }
.positive { color: var(--green) !important; }
.negative { color: var(--red) !important; }
.neutral { color: var(--muted) !important; }

.kpi-grid { display: grid; grid-template-columns: repeat(7, minmax(130px, 1fr)); border: 1px solid var(--line); margin-bottom: 24px; }
.kpi { min-height: 124px; padding: 19px; border-right: 1px solid var(--line); background: var(--panel-transparent); }
.kpi:last-child { border-right: 0; }
.kpi-label { color: var(--muted); font: 600 10px/1.35 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.kpi-value { display: block; margin-top: 22px; font: 700 clamp(19px, 2vw, 27px)/1 var(--display); white-space: nowrap; }
.kpi-delta { display: block; margin-top: 9px; font: 600 11px/1 var(--mono); }

.panel { margin-top: 24px; border: 1px solid var(--line); background: var(--panel-transparent); }
.panel-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 66px; padding: 15px 20px; border-bottom: 1px solid var(--line); }
.panel-title { margin: 0; font: 700 17px/1.2 var(--display); letter-spacing: .01em; }
.panel-kicker { color: var(--muted); font: 600 10px/1 var(--mono); letter-spacing: .12em; }
.panel-body { padding: 20px; }
.status-chip { display: inline-flex; align-items: center; gap: 7px; padding: 7px 9px; border: 1px solid currentColor; font: 700 10px/1 var(--mono); letter-spacing: .08em; }
.status-chip.trend { color: var(--cyan); }
.status-chip.sideways { color: var(--orange); }
.status-chip.bear { color: var(--red); }
.status-chip.neutral { color: var(--muted); }

.metric-strip { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric-block { padding: 19px 20px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.metric-block:nth-child(4n) { border-right: 0; }
.metric-block label { display: block; color: var(--muted); font: 600 10px/1 var(--mono); letter-spacing: .08em; }
.metric-block strong { display: block; margin-top: 11px; font: 700 22px/1 var(--display); }
.metric-block small { display: block; margin-top: 7px; color: var(--muted); font: 500 11px/1.3 var(--mono); }
.empty-state { padding: 42px 20px; color: var(--muted); text-align: center; }

.indicator-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 1px solid var(--line); }
.bands-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.indicator-grid .metric-block:nth-child(4n), .bands-grid .metric-block:nth-child(4n) { border-right: 1px solid var(--line); }
.indicator-grid .metric-block:last-child, .bands-grid .metric-block:last-child { border-right: 0; }
.regime-line { display: flex; justify-content: space-between; gap: 18px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.regime-line p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; text-align: right; }
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(185px, 1fr)); gap: 1px; background: var(--line); }
.check { min-height: 82px; padding: 15px; background: var(--panel); }
.check i { display: inline-grid; place-items: center; width: 20px; height: 20px; margin-bottom: 11px; border: 1px solid var(--line-bright); color: var(--muted); font-style: normal; font-size: 11px; }
.check.passed i { border-color: var(--acid); background: var(--acid-fill); color: var(--acid-ink); }
.check span { display: block; color: var(--muted); font-size: 11px; line-height: 1.45; }
.check.passed span { color: var(--text); }

.chart-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1px; background: var(--line); }
.chart-card { min-width: 0; padding: 20px; background: var(--panel); }
.chart-card h3 { margin: 0; font: 600 12px/1 var(--mono); color: var(--muted); }
.chart-card canvas { display: block; width: 100%; height: 260px; margin-top: 18px; }

.table-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.filter-group { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 12px; }
.filter-group label { display: flex; align-items: center; gap: 6px; }
.filter-group select { padding: 7px 26px 7px 9px; color: var(--text); border: 1px solid var(--line-bright); background: var(--panel-raised); }
.download-link { padding: 8px 11px; border: 1px solid var(--line-bright); color: var(--text); text-decoration: none; font-size: 12px; }
.download-link:hover { border-color: var(--acid); color: var(--acid); }
.table-wrap { overflow: auto; max-height: 590px; }
table { width: 100%; border-collapse: collapse; white-space: nowrap; font-size: 12px; }
th { position: sticky; top: 0; z-index: 2; padding: 12px 14px; color: var(--muted); background: var(--table-head); border-bottom: 1px solid var(--line-bright); font: 600 9px/1 var(--mono); letter-spacing: .06em; text-align: right; }
th:first-child, th:nth-child(2), th:nth-child(3), td:first-child, td:nth-child(2), td:nth-child(3) { text-align: left; }
td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: right; }
tbody tr:hover { background: var(--row-hover); }
.trade-buy { color: var(--cyan); font-weight: 700; }
.trade-sell { color: var(--orange); font-weight: 700; }

.log-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border: 0; background: transparent; cursor: pointer; }
.log-output { max-height: 420px; overflow: auto; margin: 0; padding: 20px; border-top: 1px solid var(--line); background: var(--log-bg); color: var(--log-text); font: 11px/1.65 var(--mono); white-space: pre-wrap; }
.market-footer { padding: 28px 2px 4px; color: var(--muted); font: 500 10px/1.6 var(--mono); }

.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: 360px; padding: 12px 15px; border: 1px solid var(--line-bright); background: var(--toast-bg); color: var(--text); box-shadow: 0 18px 55px var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s ease; }

body, .topbar, .market-tabs, .panel, .kpi, .theme-switcher, th, .log-output { transition: color .2s ease, background-color .2s ease, border-color .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .kpi-grid { grid-template-columns: repeat(4, 1fr); }
  .kpi { border-bottom: 1px solid var(--line); }
  .kpi:nth-child(4n) { border-right: 0; }
  .kpi:nth-last-child(-n+3) { border-bottom: 0; }
}

@media (max-width: 760px) {
  .topbar { height: 64px; }
  .brand span { display: none; }
  .theme-switcher button b { display: none; }
  .theme-switcher button { width: 28px; justify-content: center; padding: 0; }
  .sync-state span:last-child { display: none; }
  .text-button { display: none; }
  .market-tab { min-width: 145px; }
  .dashboard { padding: 24px 14px 40px; }
  .market-hero { grid-template-columns: 1fr; align-items: start; }
  .hero-price { text-align: left; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .kpi, .kpi:nth-child(4n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .kpi:nth-child(2n) { border-right: 0; }
  .kpi:last-child { grid-column: 1 / -1; border-bottom: 0; }
  .metric-strip, .indicator-grid { grid-template-columns: repeat(2, 1fr); }
  .bands-grid { grid-template-columns: 1fr; }
  .metric-block, .metric-block:nth-child(4n), .indicator-grid .metric-block:nth-child(4n), .bands-grid .metric-block:nth-child(4n) { border-right: 1px solid var(--line); }
  .metric-block:nth-child(2n) { border-right: 0; }
  .bands-grid .metric-block { border-right: 0 !important; }
  .regime-line { flex-direction: column; }
  .regime-line p { text-align: left; }
  .chart-grid { grid-template-columns: 1fr; }
  .chart-card canvas { height: 220px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}