:root {
  --bg0: #0c1210;
  --bg1: #121a17;
  --bg2: #18221e;
  --line: #2a3a33;
  --text: #e7eee9;
  --muted: #8aa297;
  --bull: #2fbf71;
  --bear: #e45757;
  --accent: #d4a017;
  --teal: #3db8a0;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "IBM Plex Sans", system-ui, sans-serif;
  --gap: clamp(0.35rem, 0.8vh, 0.65rem);
  --pad: clamp(0.4rem, 1vw, 0.75rem);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}
body {
  font-family: var(--sans);
  color: var(--text);
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3a2e55, transparent 60%),
    radial-gradient(900px 500px at 90% 0%, #3a2e1455, transparent 55%),
    linear-gradient(180deg, #0a100e, var(--bg0));
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(61, 184, 160, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 184, 160, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.topbar {
  flex: 0 0 auto;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  background: rgba(12, 18, 16, 0.9);
  min-height: 0;
}

.brand { display: flex; gap: 0.65rem; align-items: center; min-width: 0; }
.brand-mark {
  width: 34px; height: 34px;
  flex: 0 0 auto;
  display: grid; place-items: center;
  border: 1px solid var(--teal);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}
.brand h1 { margin: 0; font-size: clamp(0.9rem, 1.6vw, 1.05rem); font-weight: 600; letter-spacing: 0.02em; }
.brand p {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: clamp(0.65rem, 1.1vw, 0.75rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(58vw, 620px);
}

.status-cluster { display: flex; gap: 0.4rem; align-items: center; flex-wrap: nowrap; }
.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  padding: 0.28rem 0.5rem;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  white-space: nowrap;
}
.chip.ok { border-color: #2fbf7188; color: var(--bull); }
.chip.warn { border-color: #d4a01788; color: var(--accent); }
.chip.muted { color: var(--muted); }

#refreshBtn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  padding: 0.3rem 0.65rem;
  cursor: pointer;
  white-space: nowrap;
}
#refreshBtn:hover { background: #d4a01722; }

.login-bar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-bottom: 1px solid var(--line);
  background: #17241f;
}
.login-bar[hidden] { display: none !important; }
.login-bar strong { display: block; font-size: 0.8rem; }
.login-bar span { color: var(--muted); font-size: 0.7rem; }
#loginForm { display: flex; gap: 0.4rem; }
#totpInput {
  width: 100px;
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--line);
  background: #0f1714;
  color: var(--text);
}
#loginForm button {
  border: 1px solid var(--teal);
  background: transparent;
  color: var(--teal);
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}
.login-status { font-family: var(--mono); font-size: 0.7rem; color: var(--accent); }

.layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(280px, 1fr);
  grid-template-rows: auto auto minmax(0, 1fr);
  grid-template-areas:
    "indices indices"
    "stocks stocks"
    "calls detail";
  gap: var(--gap);
  padding: var(--gap) var(--pad);
  overflow: hidden;
}

.indices-panel { grid-area: indices; }
.stocks-panel { grid-area: stocks; }
.calls-panel { grid-area: calls; min-height: 0; display: flex; flex-direction: column; }
.detail-panel { grid-area: detail; min-height: 0; display: flex; flex-direction: column; }

.panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #15201c, var(--bg1));
  padding: clamp(0.35rem, 0.8vh, 0.55rem) clamp(0.45rem, 0.9vw, 0.7rem);
  min-height: 0;
  overflow: hidden;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.35rem;
  gap: 0.5rem;
}
.panel-head h2 {
  margin: 0;
  font-size: clamp(0.72rem, 1.2vw, 0.85rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.hint { color: var(--muted); font-size: 0.65rem; font-family: var(--mono); }

.index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.35rem;
}
.index-card {
  border: 1px solid var(--line);
  padding: 0.35rem 0.45rem;
  background: #0f1714;
  display: grid;
  gap: 0.08rem;
  min-width: 0;
  transition: border-color 0.2s ease;
}
.index-card:hover { border-color: #3db8a066; }
.index-card.vix-card { border-color: #d4a01766; }
.index-card .sym {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(0.58rem, 0.95vw, 0.7rem);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.index-card .ltp {
  font-family: var(--mono);
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  font-weight: 600;
  line-height: 1.15;
}
.index-card .chg { font-family: var(--mono); font-size: clamp(0.58rem, 0.95vw, 0.68rem); }
.chg.muted {
  color: var(--muted);
  font-size: clamp(0.52rem, 0.85vw, 0.62rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.up { color: var(--bull); }
.down { color: var(--bear); }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: 0.35rem;
  flex: 0 0 auto;
}
.filter {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-size: 0.65rem;
  padding: 0.18rem 0.4rem;
  cursor: pointer;
  font-family: var(--mono);
}
.filter.active, .filter:hover {
  color: var(--text);
  border-color: var(--teal);
}

.table-wrap {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(0.68rem, 1.05vw, 0.78rem);
}
th, td {
  text-align: left;
  padding: 0.32rem 0.3rem;
  border-bottom: 1px solid #24332c;
  white-space: nowrap;
}
th {
  position: sticky;
  top: 0;
  background: #15201c;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  z-index: 1;
}
tbody tr { cursor: pointer; transition: background 0.15s ease; }
tbody tr:hover, tbody tr.selected { background: #1c2b25; }
.side-ce {
  color: var(--bull);
  font-family: var(--mono);
  font-weight: 600;
}
.side-pe {
  color: var(--bear);
  font-family: var(--mono);
  font-weight: 600;
}
.mono { font-family: var(--mono); }
.empty { color: var(--muted); text-align: center; padding: 0.8rem !important; }

.stock-list {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 0.3rem;
}
.stock-row {
  display: flex;
  justify-content: space-between;
  gap: 0.35rem;
  align-items: baseline;
  padding: 0.3rem 0.4rem;
  border: 1px solid var(--line);
  background: #0f1714;
  font-size: clamp(0.62rem, 1vw, 0.72rem);
  min-width: 0;
}
.stock-row .name {
  font-family: var(--mono);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stock-row .mono {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stock-row .src {
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  opacity: 0.75;
  flex: 0 0 auto;
}

.detail-card {
  border: 1px solid var(--line);
  background: #0f1714;
  padding: 0.55rem 0.65rem;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 0.65rem;
}
.detail-grid .label {
  color: var(--muted);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.detail-grid .value {
  font-family: var(--mono);
  font-size: clamp(0.72rem, 1.1vw, 0.85rem);
  margin-top: 0.05rem;
}
.reasons { margin: 0.45rem 0 0; padding-left: 1rem; }
.reasons li { color: var(--muted); margin: 0.12rem 0; font-size: 0.7rem; }

.conf-bar {
  display: inline-block;
  min-width: 42px;
  font-family: var(--mono);
}

/* Large screens: keep 6 index cards across */
@media (min-width: 1400px) {
  .index-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .stock-list { grid-template-columns: repeat(8, minmax(0, 1fr)); }
}

@media (max-width: 1200px) {
  .index-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stock-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .layout {
    grid-template-columns: 1.4fr 1fr;
  }
}

@media (max-width: 900px) {
  body { overflow: auto; height: auto; min-height: 100dvh; }
  .layout {
    height: auto;
    min-height: calc(100dvh - 3.2rem);
    grid-template-columns: 1fr;
    grid-template-rows: auto auto minmax(280px, 45vh) minmax(240px, 40vh);
    grid-template-areas:
      "indices"
      "stocks"
      "calls"
      "detail";
    overflow: visible;
  }
  .index-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stock-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .calls-panel, .detail-panel { min-height: 240px; }
}

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  .brand p { max-width: 90vw; white-space: normal; }
  .index-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stock-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-grid { grid-template-columns: 1fr; }
  .status-cluster { flex-wrap: wrap; }
}