/* =====================================================================
   SNUSBØRSEN — terminal-style trading UI
   Aesthetic: Bloomberg meets Nordic. Warm dark canvas, sharp mono numerals,
   tobacco-amber as the only saturated accent. Up = mint, Down = brick.
   ===================================================================== */

:root {
  /* Palette */
  --bg:         #0c0b0a;   /* very dark warm */
  --bg-grid:    #131210;
  --surface:    #16140f;
  --surface-2:  #1d1a13;
  --border:     #2a261c;
  --border-2:   #3a3325;

  --text:       #efe6d2;   /* warm parchment */
  --text-dim:   #a89a78;
  --text-faint: #6a604a;

  --amber:      #d4a350;   /* tobacco */
  --amber-2:    #f0c373;
  --amber-dim:  #6e5526;

  --up:         #5fd17a;
  --up-soft:    rgba(95, 209, 122, 0.14);
  --dn:         #e8615a;
  --dn-soft:    rgba(232, 97, 90, 0.14);

  /* Type */
  --mono: 'IBM Plex Mono', 'JetBrains Mono', 'Menlo', monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --serif: 'Instrument Serif', 'Times New Roman', serif;

  --radius: 6px;
  --gutter: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* subtle warm grain on the background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(212, 163, 80, 0.06), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(212, 163, 80, 0.04), transparent 60%);
  z-index: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input {
  font-family: var(--mono);
}

/* ----- Layout shell -------------------------------------------------- */

.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto auto 1fr auto auto;
  min-height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--gutter);
  gap: var(--gutter);
}

/* ----- Topbar -------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 4px 10px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-mark {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  letter-spacing: 0.02em;
  color: var(--amber-2);
  text-shadow: 0 0 24px rgba(212, 163, 80, 0.25);
}

.brand-divider {
  color: var(--text-faint);
}

.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-faint);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--text-faint);
  transition: background 0.2s, box-shadow 0.2s;
}

.conn-dot.is-live {
  background: var(--up);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--up), 0 0 12px var(--up);
  animation: pulse 2s ease-in-out infinite;
}

.conn-dot.is-dead {
  background: var(--dn);
  box-shadow: 0 0 0 2px var(--bg), 0 0 0 3px var(--dn);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

.conn-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 10px;
}

.clock {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--text);
}

/* ----- Ticker strip -------------------------------------------------- */

.ticker {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 18px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.ticker::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--amber-2), var(--amber-dim));
}

.instrument .pair {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.instrument .pair span {
  color: var(--amber);
  margin: 0 2px;
}

.instrument .pair-sub {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-top: 4px;
}

.ticker-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.stat-label {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.stat-value {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.stat-price .stat-value {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color 0.4s ease;
}

.stat-price.is-up .stat-value  { color: var(--up); }
.stat-price.is-dn .stat-value  { color: var(--dn); }

.stat-value.is-up { color: var(--up); }
.stat-value.is-dn { color: var(--dn); }

/* short flash when the last price changes */
.stat-price.flash-up .stat-value { animation: flashUp 0.45s ease-out; }
.stat-price.flash-dn .stat-value { animation: flashDn 0.45s ease-out; }
@keyframes flashUp {
  0%   { text-shadow: 0 0 0 transparent; }
  30%  { text-shadow: 0 0 18px rgba(95, 209, 122, 0.7); }
  100% { text-shadow: 0 0 0 transparent; }
}
@keyframes flashDn {
  0%   { text-shadow: 0 0 0 transparent; }
  30%  { text-shadow: 0 0 18px rgba(232, 97, 90, 0.7); }
  100% { text-shadow: 0 0 0 transparent; }
}

/* ----- Main area ----------------------------------------------------- */

.main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--gutter);
  min-height: 520px;
}

@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr; }
}

/* ----- Chart card ---------------------------------------------------- */

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.timeframes {
  display: flex;
  gap: 2px;
}

.tf-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.tf-btn:hover {
  color: var(--text);
  background: var(--surface-2);
}

.tf-btn.is-active {
  color: var(--bg);
  background: var(--amber);
  border-color: var(--amber);
}

.chart-meta {
  display: flex;
  gap: 14px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 2px; }
.dot-up { background: var(--up); }
.dot-dn { background: var(--dn); }

.chart-wrap {
  flex: 1;
  position: relative;
  min-height: 480px;
}

.chart {
  position: absolute;
  inset: 0;
}

.ohlc-overlay {
  position: absolute;
  left: 14px;
  top: 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  pointer-events: none;
  display: flex;
  gap: 14px;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.8);
}
.ohlc-overlay strong { color: var(--text); font-weight: 600; }
.ohlc-overlay .o-up { color: var(--up); }
.ohlc-overlay .o-dn { color: var(--dn); }

/* ----- Sidebar ------------------------------------------------------- */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--gutter);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.panel-title {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text);
}

.panel-sub {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ----- Order book ---------------------------------------------------- */

.orderbook { display: flex; flex-direction: column; }

.ob-cols {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  padding: 6px 14px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--border);
}

.ob-side {
  display: flex;
  flex-direction: column;
}

.ob-asks { flex-direction: column-reverse; }

.ob-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  padding: 3px 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  overflow: hidden;
}

.ob-row::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; right: 0;
  width: var(--depth, 0%);
  z-index: 0;
}

.ob-row > span { position: relative; z-index: 1; text-align: right; }
.ob-row > span:first-child { text-align: left; font-weight: 600; }

.ob-asks .ob-row::before { background: var(--dn-soft); }
.ob-bids .ob-row::before { background: var(--up-soft); }

.ob-asks .ob-row > span:first-child { color: var(--dn); }
.ob-bids .ob-row > span:first-child { color: var(--up); }

.ob-spread {
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
  padding: 6px 14px;
  color: var(--amber-2);
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ----- Trade panel --------------------------------------------------- */

.trade-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 12px 14px 0;
}

.tab {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 0;
  border-radius: 4px;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); }
.tab-buy.is-active  { background: var(--up-soft); color: var(--up); border-color: var(--up); }
.tab-sell.is-active { background: var(--dn-soft); color: var(--dn); border-color: var(--dn); }

.field {
  display: block;
  padding: 10px 14px 0;
}

.field span {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 4px;
}

.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 4px;
  font-variant-numeric: tabular-nums;
  outline: none;
  transition: border-color 0.15s;
}

.field input:focus { border-color: var(--amber); }
.field input:read-only { color: var(--text-dim); }

.trade-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 14px 6px;
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.trade-total span:first-child {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}
.trade-total span:last-child {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.trade-submit {
  display: block;
  width: calc(100% - 28px);
  margin: 8px 14px 4px;
  padding: 11px 0;
  border: 1px solid var(--up);
  background: var(--up-soft);
  color: var(--up);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-radius: 4px;
  transition: all 0.15s;
}
.trade-submit:hover { background: var(--up); color: var(--bg); }
.trade-submit.is-sell { border-color: var(--dn); background: var(--dn-soft); color: var(--dn); }
.trade-submit.is-sell:hover { background: var(--dn); color: var(--bg); }

.trade-disclaimer {
  margin: 8px 14px 14px;
  padding: 0;
  font-size: 10px;
  color: var(--text-faint);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ----- Trades panel -------------------------------------------------- */

.trades-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.trades-cols {
  display: grid;
  grid-template-columns: 100px 1fr 1fr 80px;
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

.trades-list {
  max-height: 240px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}

.trades-list::-webkit-scrollbar { width: 6px; }
.trades-list::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 3px; }

.trade-row {
  display: grid;
  grid-template-columns: 100px 1fr 1fr 80px;
  padding: 4px 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  border-bottom: 1px solid rgba(42, 38, 28, 0.4);
}

.trade-row.is-new { animation: rowIn 0.4s ease-out; }
@keyframes rowIn {
  from { background: var(--surface-2); transform: translateY(-2px); }
  to   { background: transparent;       transform: translateY(0); }
}

.trade-row .price.up { color: var(--up); }
.trade-row .price.dn { color: var(--dn); }

.trade-row .side {
  text-align: right;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.trade-row .side.up { color: var(--up); }
.trade-row .side.dn { color: var(--dn); }

/* ----- Footer -------------------------------------------------------- */

.footer {
  display: flex;
  justify-content: space-between;
  padding: 14px 4px 18px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-top: 1px solid var(--border);
}

/* ----- Responsive ---------------------------------------------------- */

@media (max-width: 760px) {
  .topbar { flex-direction: column; align-items: flex-start; gap: 8px; }
  .ticker { grid-template-columns: 1fr; }
  .ticker-stats { justify-content: flex-start; gap: 18px; }
  .stat-price .stat-value { font-size: 22px; }
  .chart-wrap { min-height: 360px; }
  .trades-cols, .trade-row { grid-template-columns: 76px 1fr 1fr 60px; }
}