:root {
  color-scheme: light;
  --bg: #f3f4f6;
  --panel: #ffffff;
  --line: #dde1e7;
  --line-soft: #edf0f4;
  --control-bg: #fbfcfd;
  --button-bg: #ffffff;
  --button-active-bg: #20242a;
  --button-active-text: #ffffff;
  --hover-line: #b8c0cc;
  --text: #1f2933;
  --muted: #667085;
  --black: #20242a;
  --gold: #a17a35;
  --green: #098a50;
  --red: #d14343;
  --blue: #2563eb;
  --market-open-bg: #eef6f1;
  --market-closed-bg: #f1f3f5;
  --market-closed-text: #5c6670;
  --market-error-bg: #fff1f1;
  --chart-grid: #edf0f4;
  --chart-frame: #dde1e7;
  --chart-baseline: #b9c0ca;
  --chart-close: #24282e;
  --chart-ma-5: #0f9d58;
  --chart-ma-10: #2563eb;
  --chart-ma-20: #d14343;
  --chart-ma-50: #a17a35;
  --chart-ma-120: #7c3aed;
  --chart-ma-200: #64748b;
  --toast-bg: #fff7f7;
  --toast-border: #f2c6c6;
  --toast-text: #9a3412;
  --shadow: 0 1px 2px rgba(20, 25, 31, 0.06);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #10141c;
  --panel: #171d28;
  --line: #303847;
  --line-soft: #252c38;
  --control-bg: #111827;
  --button-bg: #1f2937;
  --button-active-bg: #e5e7eb;
  --button-active-text: #111827;
  --hover-line: #4b5563;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --black: #f8fafc;
  --gold: #c99b45;
  --green: #34d399;
  --red: #f87171;
  --blue: #60a5fa;
  --market-open-bg: #12362c;
  --market-closed-bg: #252c38;
  --market-closed-text: #cbd5e1;
  --market-error-bg: #3a1d24;
  --chart-grid: #273142;
  --chart-frame: #3b4658;
  --chart-baseline: #64748b;
  --chart-close: #f8fafc;
  --chart-ma-5: #34d399;
  --chart-ma-10: #60a5fa;
  --chart-ma-20: #f87171;
  --chart-ma-50: #c99b45;
  --chart-ma-120: #a78bfa;
  --chart-ma-200: #94a3b8;
  --toast-bg: #241b16;
  --toast-border: #7c3f26;
  --toast-text: #fdba74;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Apple SD Gothic Neo",
    "Noto Sans KR", sans-serif;
}

button,
input {
  font: inherit;
}

.page {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.topbar > div:first-child,
.quote-panel,
.metrics,
.control-row,
.chart-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.topbar > div:first-child {
  flex: 1;
  padding: 18px 20px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.1;
}

.quote-panel {
  min-width: 310px;
  padding: 16px 18px;
  display: grid;
  align-content: center;
  gap: 6px;
}

.quote-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quote-panel strong {
  color: var(--black);
  font-size: 34px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.market-pill {
  width: max-content;
  border-radius: 999px;
  padding: 4px 9px;
  background: var(--market-open-bg);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.market-pill.closed {
  background: var(--market-closed-bg);
  color: var(--market-closed-text);
}

.market-pill.error {
  background: var(--market-error-bg);
  color: var(--red);
}

.theme-toggle {
  display: inline-flex;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--control-bg);
}

.theme-toggle button {
  min-height: 28px;
  border: 0;
  border-right: 1px solid var(--line);
  padding: 0 9px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.theme-toggle button:last-child {
  border-right: 0;
}

.theme-toggle button[aria-pressed="true"] {
  background: var(--button-active-bg);
  color: var(--button-active-text);
}

.theme-toggle button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.muted {
  color: var(--muted);
}

.up {
  color: var(--red);
}

.down {
  color: var(--blue);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 12px;
  overflow: hidden;
}

.metrics div {
  min-width: 0;
  padding: 14px 16px;
  border-right: 1px solid var(--line-soft);
}

.metrics div:last-child {
  border-right: 0;
}

.metrics span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.metrics strong {
  display: block;
  overflow: hidden;
  color: var(--black);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding: 12px;
}

.control-title {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.period-controls {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px;
}

.period-control {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 10px;
  background: var(--control-bg);
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.period-control input {
  width: 14px;
  height: 14px;
  accent-color: #2f83d8;
}

#refreshButton {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: var(--button-bg);
  color: var(--text);
  cursor: pointer;
}

#refreshButton:hover,
.period-control:hover {
  border-color: var(--hover-line);
}

.chart-card {
  margin-bottom: 12px;
  padding: 16px 14px 10px;
}

.chart-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  margin-bottom: 6px;
  padding: 0 2px;
}

h2 {
  font-size: 17px;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.legend-swatch {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.canvas-wrap {
  position: relative;
  width: 100%;
  height: 390px;
}

.canvas-wrap.compact {
  height: 260px;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 2px 2px 8px;
  color: var(--muted);
  font-size: 12px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: min(420px, calc(100vw - 32px));
  transform: translateY(16px);
  border: 1px solid var(--toast-border);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--toast-bg);
  color: var(--toast-text);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 860px) {
  .page {
    padding: 12px;
  }

  .topbar {
    display: grid;
  }

  .quote-panel {
    min-width: 0;
  }

  .quote-topline {
    align-items: flex-start;
  }

  .metrics {
    grid-template-columns: repeat(2, 1fr);
  }

  .metrics div:nth-child(2) {
    border-right: 0;
  }

  .metrics div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line-soft);
  }

  .control-row {
    align-items: flex-start;
    flex-direction: column;
  }

  #refreshButton {
    width: 100%;
  }

  .chart-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .legend {
    justify-content: flex-start;
  }

  .canvas-wrap {
    height: 330px;
  }

  .canvas-wrap.compact {
    height: 230px;
  }
}