/* ============================================================
   GAT Exchange – Global Stylesheet
   Supports: Light/Dark mode, Mobile/PC responsive, i18n
   ============================================================ */

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --accent:        #1652f0;
  --accent-hover:  #0e3fc9;
  --accent-soft:   #e8eeff;
  --green:         #10b981;
  --green-soft:    #d1fae5;
  --red:           #ef4444;
  --red-soft:      #fee2e2;
  --yellow:        #f59e0b;
  --yellow-soft:   #fef3c7;
  --purple:        #8b5cf6;
  --purple-soft:   #ede9fe;

  /* Light theme */
  --bg-primary:    #ffffff;
  --bg-secondary:  #f8fafc;
  --bg-tertiary:   #f1f5f9;
  --bg-card:       #ffffff;
  --bg-hover:      #f1f5f9;
  --border:        #e2e8f0;
  --border-light:  #f1f5f9;
  --text-primary:  #0f172a;
  --text-secondary:#334155;
  --text-muted:    #94a3b8;
  --shadow:        0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:     0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.04);
  --shadow-lg:     0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.03);
  --topbar-bg:     #f8fafc;
  --navbar-bg:     #ffffff;
  --mob-nav-bg:    #ffffff;
  --ticker-buy:    #dcfce7;
  --ticker-sell:   #fee2e2;
  --ob-buy-bg:     rgba(16,185,129,.06);
  --ob-sell-bg:    rgba(239,68,68,.06);
}

[data-theme="dark"] {
  --accent:        #3b82f6;
  --accent-hover:  #2563eb;
  --accent-soft:   #1e3a5f;
  --green:         #22c55e;
  --green-soft:    #14532d;
  --red:           #f87171;
  --red-soft:      #7f1d1d;
  --yellow:        #fbbf24;
  --yellow-soft:   #78350f;
  --purple:        #a78bfa;
  --purple-soft:   #4c1d95;

  --bg-primary:    #0f172a;
  --bg-secondary:  #1e293b;
  --bg-tertiary:   #334155;
  --bg-card:       #1e293b;
  --bg-hover:      #334155;
  --border:        #334155;
  --border-light:  #1e293b;
  --text-primary:  #f1f5f9;
  --text-secondary:#cbd5e1;
  --text-muted:    #64748b;
  --shadow:        0 1px 3px rgba(0,0,0,.4);
  --shadow-md:     0 4px 6px rgba(0,0,0,.3);
  --shadow-lg:     0 10px 15px rgba(0,0,0,.25);
  --topbar-bg:     #0a1628;
  --navbar-bg:     #0f172a;
  --mob-nav-bg:    #1e293b;
  --ticker-buy:    rgba(34,197,94,.12);
  --ticker-sell:   rgba(248,113,113,.12);
  --ob-buy-bg:     rgba(34,197,94,.06);
  --ob-sell-bg:    rgba(248,113,113,.06);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 14px;
  transition: background .2s, color .2s;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
button { border: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; }

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Utilities ─────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.ml-auto { margin-left: auto; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.text-xs  { font-size: 11px; }
.text-sm  { font-size: 12px; }
.text-base{ font-size: 14px; }
.text-lg  { font-size: 16px; }
.text-xl  { font-size: 20px; }
.font-bold   { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-muted  { color: var(--text-muted); }
.text-green  { color: var(--green); }
.text-red    { color: var(--red); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.hidden      { display: none !important; }
.relative    { position: relative; }
.overflow-hidden { overflow: hidden; }
.cursor-pointer  { cursor: pointer; }
.w-full      { width: 100%; }
.mono        { font-family: 'JetBrains Mono', monospace; }

/* ── Skeleton ──────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Top Bar ───────────────────────────────────────────── */
.top-bar {
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  padding: 5px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  height: 32px;
  font-size: 11px;
  position: sticky;
  top: 0;
  z-index: 200;
}
.top-ticker { flex: 1; overflow: hidden; white-space: nowrap; margin: 0 8px; }
.top-ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 24px;
  font-size: 11px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color .15s;
}
.top-ticker-item:hover { color: var(--text-primary); }
.top-ctrl-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 11px;
  transition: background .15s, color .15s;
  border: 1px solid transparent;
  background: transparent;
  white-space: nowrap;
}
.top-ctrl-btn:hover { background: var(--bg-hover); color: var(--text-primary); border-color: var(--border); }
.top-ctrl-btn.active { color: var(--accent); }
.theme-icon-light, .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-dark { display: inline; }
[data-theme="dark"] .theme-icon-light { display: none; }
:root:not([data-theme="dark"]) .theme-icon-light { display: inline; }

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  background: var(--navbar-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 56px;
  position: sticky;
  top: 32px;
  z-index: 190;
  box-shadow: var(--shadow);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  margin-right: 8px;
  flex-shrink: 0;
  text-decoration: none;
}
.logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -1px;
}
.logo-text {
  font-weight: 800;
  font-size: 17px;
  color: var(--text-primary);
  letter-spacing: -.3px;
}
.logo-text span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav-link {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color .15s, background .15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
  user-select: none;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--bg-hover); }
.nav-link.active { color: var(--accent); font-weight: 600; }
.nav-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .5px;
  background: var(--red);
  color: #fff;
  vertical-align: middle;
}
.nav-badge.new-badge { background: var(--green); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: 8px; flex-shrink: 0; }
.mob-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-secondary);
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
  margin-left: auto;
}
.mob-menu-btn:hover { background: var(--bg-hover); }

/* ── Mobile Nav ─────────────────────────────────────────── */
#mob-nav {
  display: none;
  flex-direction: column;
  background: var(--mob-nav-bg);
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  gap: 2px;
  position: sticky;
  top: 88px;
  z-index: 180;
  box-shadow: var(--shadow-md);
}
#mob-nav.open { display: flex; }
#mob-nav .nav-link {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
}

/* ── Announce Strip ─────────────────────────────────────── */
.announce-strip {
  background: linear-gradient(90deg, #fef3c7, #fde68a);
  border-bottom: 1px solid var(--yellow);
  padding: 7px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 500;
  color: #78350f;
}
[data-theme="dark"] .announce-strip {
  background: linear-gradient(90deg, #451a03, #78350f);
  color: #fbbf24;
  border-color: #78350f;
}
.announce-strip .icon { color: var(--yellow); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  font-size: 13px;
  padding: 8px 16px;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-md); }
.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-hover); }
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--bg-hover); border-color: var(--text-muted); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { opacity: .9; }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { opacity: .9; }
.btn-sm { padding: 5px 12px; font-size: 12px; border-radius: 6px; }
.btn-lg { padding: 10px 20px; font-size: 14px; }
.btn-xl { padding: 13px 28px; font-size: 15px; border-radius: 10px; }
.btn-icon { padding: 7px 10px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Badge ──────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10.5px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.badge-green  { background: var(--green-soft);  color: var(--green); }
.badge-red    { background: var(--red-soft);    color: var(--red); }
.badge-blue   { background: var(--accent-soft); color: var(--accent); }
.badge-yellow { background: var(--yellow-soft); color: var(--yellow); }
.badge-purple { background: var(--purple-soft); color: var(--purple); }
.badge-gray   { background: var(--bg-tertiary); color: var(--text-muted); }

/* ── Card ───────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.card-body { padding: 16px 20px; }
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Page / Layout ──────────────────────────────────────── */
.page { display: none; }
.page.active { display: block; }
.market-container { max-width: 1320px; margin: 0 auto; padding: 20px 16px 40px; }
.page-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.section-title { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.section-sub { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

/* ── Tabs ───────────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .15s;
  user-select: none;
  white-space: nowrap;
}
.tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

/* ── Search Box ─────────────────────────────────────────── */
.search-box {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  transition: border-color .15s;
}
.search-box:focus-within { border-color: var(--accent); }
.search-box input { background: none; border: none; font-size: 12.5px; color: var(--text-primary); width: 100%; }
.search-box input::placeholder { color: var(--text-muted); }

/* ── Market Filters ─────────────────────────────────────── */
.market-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-chip {
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  transition: all .15s;
  user-select: none;
}
.filter-chip:hover { border-color: var(--accent); color: var(--accent); }
.filter-chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Data Table ─────────────────────────────────────────── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.data-table th:hover { color: var(--text-primary); }
.data-table td {
  padding: 11px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
  color: var(--text-primary);
}
.data-table tbody tr:hover { background: var(--bg-hover); cursor: pointer; }
.data-table tbody tr:last-child td { border-bottom: none; }
.coin-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

/* ── Hero ───────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 60px 16px 50px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
[data-theme="dark"] .hero {
  background: linear-gradient(160deg, #0f172a 0%, #1e293b 100%);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.gradient {
  background: linear-gradient(135deg, var(--accent), #7c3aed, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.6;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 22px;
  min-width: 110px;
  text-align: left;
  box-shadow: var(--shadow);
}
.stat-val { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.stat-lbl { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* ── Feature Cards ──────────────────────────────────────── */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  cursor: pointer;
  transition: all .2s;
  box-shadow: var(--shadow);
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.fc-icon { font-size: 28px; margin-bottom: 12px; }
.fc-title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.fc-desc { font-size: 13px; color: var(--text-muted); line-height: 1.55; }

/* ── Trading Layout ─────────────────────────────────────── */
.trading-layout {
  display: grid;
  grid-template-columns: 200px 1fr 300px;
  height: calc(100vh - 88px);
  overflow: hidden;
}
.trading-sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.trading-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-right: 1px solid var(--border);
  background: var(--bg-primary);
}
.trading-orderbook {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-card);
}
.scroll-panel { overflow-y: auto; flex: 1; }
.price-ticker {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  background: var(--bg-card);
  flex-shrink: 0;
}
.ticker-price-big {
  font-size: 22px;
  font-weight: 800;
  font-family: 'JetBrains Mono', monospace;
}
.ticker-price-big.up   { color: var(--green); }
.ticker-price-big.down { color: var(--red); }
.ticker-stat { font-size: 12px; }
.ticker-stat-lbl { color: var(--text-muted); margin-bottom: 2px; font-size: 10.5px; }
.ticker-stat-val { font-weight: 600; color: var(--text-primary); }
.chart-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
  flex-shrink: 0;
  flex-wrap: wrap;
}
.chart-tf-btn {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted);
  transition: all .15s;
  user-select: none;
}
.chart-tf-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.chart-tf-btn.active { color: var(--accent); background: var(--accent-soft); }
.chart-wrap { flex: 1; overflow: hidden; min-height: 200px; background: var(--bg-primary); position: relative; }
.chart-canvas { width: 100% !important; height: 100% !important; display: block; }
.order-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.order-tab {
  padding: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  color: var(--text-muted);
}
.order-tab.buy.active  { color: var(--green); border-bottom: 2px solid var(--green); }
.order-tab.sell.active { color: var(--red);   border-bottom: 2px solid var(--red); }
.order-tab:hover { background: var(--bg-hover); }
.order-form { padding: 12px; }
.order-input-wrap {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 12px;
  margin-bottom: 10px;
  transition: border-color .15s;
}
.order-input-wrap:focus-within { border-color: var(--accent); }
.order-input {
  flex: 1;
  background: none;
  border: none;
  padding: 9px 0;
  font-size: 13px;
  color: var(--text-primary);
}
.order-input-suffix { font-size: 11.5px; color: var(--text-muted); font-weight: 600; }
.slider-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: 12px; }
.pct-btn {
  text-align: center;
  padding: 5px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  border: 1px solid var(--border);
  transition: all .15s;
}
.pct-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.pair-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px;
  padding: 7px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
  transition: background .15s;
  font-size: 12px;
}
.pair-item:hover, .pair-item.active { background: var(--bg-hover); }
.pair-name { font-weight: 600; font-size: 12.5px; }
.pair-vol  { font-size: 10px; color: var(--text-muted); }
.ob-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 2.5px 12px;
  font-size: 11.5px;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  position: relative;
  transition: opacity .1s;
}
.ob-row:hover { opacity: .8; }
.ob-row.sell { color: var(--red); }
.ob-row.buy  { color: var(--green); }
.ob-row.spread {
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 4px 12px;
  font-size: 11px;
  font-family: inherit;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.ob-fill {
  position: absolute;
  top: 0; bottom: 0;
  right: 0;
  opacity: .08;
  pointer-events: none;
}
.ob-fill.sell-fill { background: var(--red); }
.ob-fill.buy-fill  { background: var(--green); }
.trade-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 3px 12px;
  font-size: 11.5px;
  font-family: 'JetBrains Mono', monospace;
  border-bottom: 1px solid var(--border-light);
}
.trade-row.buy  { color: var(--green); }
.trade-row.sell { color: var(--red); }

/* ── Wallet Page ────────────────────────────────────────── */
.wallet-summary {
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 100%);
  border-radius: 16px;
  padding: 28px;
  color: #fff;
  margin-bottom: 20px;
}
.wallet-val { font-size: 36px; font-weight: 900; letter-spacing: -1px; }
.wallet-sub { font-size: 13px; opacity: .75; margin-top: 4px; }
.wallet-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.wallet-action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.3);
  color: #fff;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
  backdrop-filter: blur(8px);
}
.wallet-action-btn:hover { background: rgba(255,255,255,.3); }

/* ── Orders / Positions ─────────────────────────────────── */
.position-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr auto;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
  font-size: 13px;
}
.position-row:hover { background: var(--bg-hover); }

/* ── Options Chain ──────────────────────────────────────── */
.options-chain {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  gap: 0;
}
.chain-header {
  padding: 8px 12px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}
.chain-row {
  display: contents;
  cursor: pointer;
}
.chain-row > div {
  padding: 7px 12px;
  font-size: 12px;
  border-bottom: 1px solid var(--border-light);
  font-family: 'JetBrains Mono', monospace;
}
.chain-row:hover > div { background: var(--bg-hover); }
.chain-strike {
  background: var(--bg-secondary);
  font-weight: 700;
  text-align: center;
  color: var(--text-muted);
  font-size: 11.5px;
}
.chain-strike.itm { color: var(--accent); background: var(--accent-soft); }
.chain-call { color: var(--green); }
.chain-put  { color: var(--red); }

/* ── Toast ──────────────────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 320px;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  animation: toast-in .25s cubic-bezier(.4,0,.2,1);
  pointer-events: all;
  border-left: 3px solid var(--accent);
}
.toast.success { border-left-color: var(--green); }
.toast.error   { border-left-color: var(--red); }
.toast.warning { border-left-color: var(--yellow); }
@keyframes toast-in { from { opacity: 0; transform: translateX(100%); } to { opacity: 1; transform: translateX(0); } }
.toast-icon { font-size: 15px; margin-top: 1px; flex-shrink: 0; }
.toast.success .toast-icon { color: var(--green); }
.toast.error   .toast-icon { color: var(--red); }
.toast.warning .toast-icon { color: var(--yellow); }
.toast.info    .toast-icon { color: var(--accent); }

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(4px);
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--bg-card);
  border-radius: 16px;
  width: 100%;
  max-width: 460px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  animation: modal-in .2s ease;
}
@keyframes modal-in { from { opacity:0; transform: scale(.95); } to { opacity:1; transform: scale(1); } }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  cursor: pointer;
  color: var(--text-muted);
  font-size: 20px;
  line-height: 1;
  transition: color .15s;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--text-primary);
  transition: border-color .15s;
}
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
.divider {
  height: 1px;
  background: var(--border);
  margin: 16px 0;
}

/* ── Footer ─────────────────────────────────────────────── */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
  padding: 40px 16px 20px;
}
.footer-grid {
  max-width: 1200px;
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 32px;
}
.footer-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.footer-link {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  padding: 3px 0;
  cursor: pointer;
  transition: color .15s;
}
.footer-link:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* ── KPI / Stat Widgets ─────────────────────────────────── */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; box-shadow: var(--shadow); }
.kpi-val  { font-size: 24px; font-weight: 800; }
.kpi-lbl  { font-size: 11.5px; color: var(--text-muted); margin-bottom: 6px; }
.kpi-chg  { font-size: 12px; margin-top: 6px; }

/* ── Misc ───────────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--bg-tertiary);
  color: var(--text-muted);
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all .15s;
}
.chip:hover, .chip.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
.empty-state {
  padding: 48px 16px;
  text-align: center;
  color: var(--text-muted);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; display: block; opacity: .3; }
.price-up   { color: var(--green) !important; }
.price-down { color: var(--red)   !important; }
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.tag-success { background: var(--green-soft);  color: var(--green); }
.tag-danger  { background: var(--red-soft);    color: var(--red); }
.tag-warn    { background: var(--yellow-soft); color: var(--yellow); }
.tag-info    { background: var(--accent-soft); color: var(--accent); }
.tag-gray    { background: var(--bg-tertiary); color: var(--text-muted); }

/* ── Language Toggle ────────────────────────────────────── */
.lang-dropdown {
  position: relative;
}
.lang-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 999;
  min-width: 120px;
  display: none;
}
.lang-menu.open { display: block; }
.lang-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s;
}
.lang-option:hover { background: var(--bg-hover); }
.lang-option.active { color: var(--accent); font-weight: 600; }

/* ── Notification dot ───────────────────────────────────── */
.notif-dot {
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  position: absolute;
  top: -1px;
  right: -1px;
}

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .trading-layout { grid-template-columns: 180px 1fr 270px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 900px) {
  .trading-layout { grid-template-columns: 1fr; grid-template-rows: auto; height: auto; overflow: visible; }
  .trading-sidebar { display: none; }
  .trading-main { min-height: 400px; }
  .trading-orderbook { border-left: none; border-top: 1px solid var(--border); max-height: 500px; }
  .nav-links { display: none; }
  .nav-actions .btn-xl { display: none; }
  .mob-menu-btn { display: flex; }
  .hero { padding: 40px 16px 36px; }
  .hero-stats { gap: 12px; }
}

@media (max-width: 640px) {
  .top-bar { padding: 4px 10px; gap: 6px; }
  .navbar { padding: 0 10px; gap: 2px; }
  .nav-actions { gap: 6px; }
  .navbar .btn-sm { padding: 4px 8px; font-size: 11px; }
  .market-container { padding: 14px 10px 30px; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .feature-cards { grid-template-columns: 1fr; }
  .wallet-val { font-size: 28px; }
  .modal { border-radius: 12px; }
  .hero-cta .btn-xl { padding: 11px 20px; font-size: 14px; }
  .data-table th, .data-table td { padding: 8px 10px; }
}

@media (max-width: 400px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn-xl { text-align: center; justify-content: center; }
  .announce-strip { font-size: 11px; }
  .footer-grid { grid-template-columns: 1fr; }
}