/* ============================================
   개미레이더 — Shared styles (Option D · Minimal Sans)
   Linear / Stripe / Notion-inspired
   KR color convention: 빨강 = 상승, 파랑 = 하락
   ============================================ */

:root {
  /* ---- Surface (cool light grays) ---- */
  --bg:        #fafafb;
  --bg-2:      #f1f2f4;
  --bg-3:      #e6e8ec;
  --paper:     #fdfdfe;
  --card:      #ffffff;

  /* ---- Ink (cool blue-black) ---- */
  --ink:       #0a0a0f;
  --ink-2:     #4a4a5a;
  --ink-3:     #7a7a88;
  --ink-4:     #b0b0bc;

  /* ---- Lines ---- */
  --line:      rgba(10, 10, 15, 0.08);
  --line-2:    rgba(10, 10, 15, 0.14);
  --line-3:    rgba(10, 10, 15, 0.28);

  /* ---- Korean market colors (preserved: red up, blue down) ---- */
  --up:        #e53e3e;
  --up-soft:   rgba(229, 62, 62, 0.08);
  --up-line:   rgba(229, 62, 62, 0.28);
  --down:      #3060e5;
  --down-soft: rgba(48, 96, 229, 0.08);
  --down-line: rgba(48, 96, 229, 0.28);

  /* ---- Accent: sunset gradient ---- */
  --accent:        #ff5a36;
  --accent-soft:   rgba(255, 90, 54, 0.08);
  --accent-line:   rgba(255, 90, 54, 0.32);
  --accent-grad:   linear-gradient(135deg, #ff5a36 0%, #d4a574 100%);
  --warning:       #d4a574;
  --warning-soft:  rgba(212, 165, 116, 0.12);

  /* ---- Typography (Minimal Sans) ---- */
  --font-sans:   'Inter', 'IBM Plex Sans KR', 'Pretendard', 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  --font-serif:  'Inter', 'IBM Plex Sans KR', 'Pretendard', 'Noto Sans KR', sans-serif;
  --font-mono:   'JetBrains Mono', ui-monospace, 'SF Mono', monospace;

  /* ---- Radii ---- */
  --r-sm: 4px;
  --r:    8px;
  --r-lg: 14px;

  /* ---- Layout ---- */
  --maxw: 1280px;
}

/* ============ DARK THEME ============ */
[data-theme="dark"] {
  --bg:        #0f0f13;
  --bg-2:      #17171d;
  --bg-3:      #1e1e26;
  --paper:     #0d0d11;
  --card:      #1a1a22;
  --ink:       #f0f0f5;
  --ink-2:     #b8b8c4;
  --ink-3:     #7a7a88;
  --ink-4:     #4a4a58;
  --line:      rgba(240,240,245,0.07);
  --line-2:    rgba(240,240,245,0.12);
  --line-3:    rgba(240,240,245,0.22);
  --up-soft:   rgba(229,62,62,0.12);
  --down-soft: rgba(48,96,229,0.12);
  --accent-soft: rgba(255,90,54,0.12);
  --warning-soft: rgba(212,165,116,0.14);
}
[data-theme="dark"] body {
  background: #0f0f13;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: linear-gradient(180deg, #fcfcfc 0%, #f4f4f6 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "cv11";
}

a { color: inherit; text-decoration: none; }

.mono {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.serif { font-family: var(--font-serif); letter-spacing: -0.02em; }

.up   { color: var(--up); }
.down { color: var(--down); }
.muted { color: var(--ink-2); }
.dim  { color: var(--ink-3); }
.faint { color: var(--ink-4); }

/* ============================================
   NAVBAR
   ============================================ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 232, 0.88);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 28px;
  display: flex; align-items: center; gap: 28px;
}
.logo {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.035em;
  color: var(--ink);
  flex-shrink: 0;
}
.logo-mark {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--bg);
  border-radius: 6px;
  font-size: 15px;
  font-family: var(--font-sans);
  transform: rotate(-4deg);
}
.nav-menu {
  display: flex; gap: 2px;
  list-style: none; margin: 0; padding: 0;
  flex: 1;
}
.nav-menu li { flex-shrink: 0; }
.nav-menu a {
  display: block;
  padding: 7px 13px;
  color: var(--ink-2);
  font-weight: 500;
  font-size: 14px;
  border-radius: 6px;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.nav-menu a:hover { color: var(--ink); background: rgba(26,22,18,0.05); }
.nav-menu a.active { color: var(--ink); background: rgba(26,22,18,0.08); font-weight: 600; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.search {
  display: flex; align-items: center; gap: 8px;
  background: var(--paper);
  border: 1px solid var(--line-2);
  padding: 7px 12px;
  border-radius: var(--r);
  width: 240px;
  color: var(--ink-3);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.search:hover, .search:focus-within { border-color: var(--line-3); background: var(--card); }
.search svg { flex-shrink: 0; }
.search input {
  background: none; border: none; outline: none;
  color: var(--ink); font-family: inherit;
  font-size: 13px; width: 100%;
}
.search input::placeholder { color: var(--ink-4); }
.kbd {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 1px 5px;
  border: 1px solid var(--line-2);
  border-radius: 3px;
  color: var(--ink-3);
  background: var(--bg);
}
.btn {
  padding: 7px 14px;
  border: 1px solid var(--line-2);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--r);
  font-weight: 600;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn:hover { background: var(--card); border-color: var(--line-3); }
.btn.primary {
  background: var(--ink); color: var(--bg);
  border-color: var(--ink);
}
.btn.primary:hover { filter: brightness(1.2); }
.btn.accent {
  background: var(--accent); color: #f5f1e8;
  border-color: var(--accent);
}
.btn.accent:hover { filter: brightness(1.1); }
.btn.lg { padding: 11px 22px; font-size: 14px; }
.menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  padding: 4px; color: var(--ink);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 28px;
}
.section { margin-bottom: 40px; }
.section-header {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 18px;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.section-title {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin: 0;
  display: flex; align-items: baseline; gap: 12px;
  white-space: nowrap;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 500;
}
.section-action {
  color: var(--ink-2);
  font-size: 13px;
  display: inline-flex; align-items: center; gap: 4px;
}
.section-action:hover { color: var(--ink); }

/* ============================================
   COMMON ELEMENTS
   ============================================ */
.badge {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: var(--r-sm);
  background: var(--bg-2);
  color: var(--ink-2);
  border: 1px solid var(--line-2);
}
.badge.dot::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
}
.badge.live { color: var(--up); border-color: var(--up-line); background: var(--up-soft); }
.badge.live::before {
  content: '';
  display: inline-block;
  width: 5px; height: 5px;
  background: var(--up);
  border-radius: 50%;
  margin-right: 5px;
  animation: pulse 1.5s ease-in-out infinite;
}
.badge.accent { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.badge.warning { color: var(--warning); border-color: var(--warning); background: var(--warning-soft); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.change-pill {
  display: inline-flex; align-items: center; gap: 3px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 12px;
  padding: 2px 7px;
  border-radius: var(--r-sm);
}
.change-pill.up   { background: var(--up-soft);   color: var(--up); }
.change-pill.down { background: var(--down-soft); color: var(--down); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px;
}
.card.flush { padding: 0; overflow: hidden; }
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
}
.card-head h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ============================================
   STOCK ROW (used in tables / lists)
   ============================================ */
.stock-cell {
  display: flex; align-items: center; gap: 11px;
}
.stock-icon {
  width: 30px; height: 30px;
  border-radius: 6px;
  display: grid; place-items: center;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
  letter-spacing: -0.04em;
}
.stock-name { font-weight: 600; font-size: 14px; white-space: nowrap; }
.stock-code { font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); margin-top: 1px; }

/* ============================================
   TABLE
   ============================================ */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data thead th {
  text-align: right;
  padding: 10px 18px;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  font-family: var(--font-mono);
}
table.data thead th:first-child,
table.data thead th.left { text-align: left; }
table.data tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  text-align: right;
}
table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background 0.1s ease; }
table.data tbody tr:hover { background: var(--bg-2); cursor: pointer; }
table.data tbody td:first-child { text-align: left; }
table.data tbody td.left { text-align: left; }
table.data .rank { color: var(--ink-3); font-family: var(--font-mono); width: 32px; }

/* ============================================
   SEGMENTED CONTROL & TABS
   ============================================ */
.seg {
  display: inline-flex;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 3px;
}
.seg button {
  background: none; border: none;
  color: var(--ink-2);
  font-family: inherit; font-size: 12px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 5px;
  cursor: pointer;
}
.seg button:hover { color: var(--ink); }
.seg button.active {
  background: var(--card);
  color: var(--ink);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(26,22,18,0.06);
}
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--line);
}
.tabs button {
  background: none; border: none;
  color: var(--ink-3);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 12px 18px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.tabs button:hover { color: var(--ink); }
.tabs button.active {
  color: var(--ink);
  border-bottom-color: var(--ink);
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--line);
  margin-top: 60px;
  padding: 40px 28px 32px;
  background: var(--bg-2);
}
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 12px;
  font-weight: 500;
}
.footer-col a {
  display: block;
  padding: 4px 0;
  color: var(--ink-2);
  font-size: 13px;
}
.footer-col a:hover { color: var(--ink); }
.footer-brand p { margin: 8px 0 0; color: var(--ink-2); font-size: 13px; line-height: 1.6; max-width: 360px; }
.footer-bottom {
  max-width: var(--maxw);
  margin: 32px auto 0;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12px;
  color: var(--ink-3);
}
.footer-bottom .disclaimer { max-width: 600px; line-height: 1.6; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .search { display: none; }
}
@media (max-width: 900px) {
  .container { padding: 20px 16px; }
  .nav-inner { padding: 12px 16px; gap: 14px; }
  .nav-menu {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px;
    gap: 2px;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 10px 14px; }
  .menu-toggle { display: block; }
  .search { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .section-title { font-size: 19px; }
}

/* ============================================================
   TOSS-BLUE NAV THEME (applies to all pages)
   blue→indigo gradient bar, white text, EveryTicker-style brand
   ============================================================ */
.nav {
  background: linear-gradient(115deg, #22c6f5 0%, #3b8afe 30%, #1f6df6 58%, #2b4ff0 78%, #4a35e8 100%);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}
.nav .logo { color: #fff; font-size: 38px; gap: 12px; font-weight: 800; letter-spacing: -0.04em; }
.nav .logo-mark {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.16);
  width: 44px; height: 44px;
  border-radius: 11px;
  display: grid; place-items: center;
  transform: none;
  color: #1f6df6;
}
.nav .brandword { display: inline-flex; line-height: 1; }
.nav .brand-1 { color: #fff; }
.nav .brand-2 {
  background: linear-gradient(90deg, #c5f3e2 0%, #8fe0ff 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-menu a { color: rgba(255, 255, 255, 0.80); font-size: 15.5px; padding: 8px 15px; }
.nav-menu a:hover { color: #fff; background: rgba(255, 255, 255, 0.15); }
.nav-menu a.active { color: #fff; background: rgba(255, 255, 255, 0.22); font-weight: 600; }
.nav .search { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.28); color: rgba(255, 255, 255, 0.85); }
.nav .search:hover, .nav .search:focus-within { background: rgba(255, 255, 255, 0.22); border-color: rgba(255, 255, 255, 0.45); }
.nav .search input { color: #fff; }
.nav .search input::placeholder { color: rgba(255, 255, 255, 0.6); }
.nav .kbd { background: rgba(255, 255, 255, 0.18); border-color: rgba(255, 255, 255, 0.3); color: #fff; }
.nav .btn { background: rgba(255, 255, 255, 0.14); border-color: rgba(255, 255, 255, 0.32); color: #fff; }
.nav .btn:hover { background: rgba(255, 255, 255, 0.24); border-color: rgba(255, 255, 255, 0.5); }
.nav .btn.primary { background: #fff; color: #1f6df6; border-color: #fff; }
.nav .btn.primary:hover { filter: none; background: #f0f4ff; }
.nav .menu-toggle { color: #fff; }