:root {
  color-scheme: light;
  --bg: #f4efe6;
  --panel: rgba(255, 250, 244, 0.9);
  --panel-strong: #fffaf2;
  --ink: #1f2430;
  --muted: #6d7380;
  --accent: #0d6e6e;
  --accent-soft: rgba(13, 110, 110, 0.12);
  --danger: #b63d32;
  --danger-soft: rgba(182, 61, 50, 0.12);
  --success: #1f7a47;
  --success-soft: rgba(31, 122, 71, 0.12);
  --border: rgba(31, 36, 48, 0.1);
  --shadow: 0 18px 45px rgba(68, 51, 24, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(212, 140, 68, 0.22), transparent 28%),
    radial-gradient(circle at top right, rgba(13, 110, 110, 0.16), transparent 26%),
    linear-gradient(180deg, #f8f2e9 0%, var(--bg) 100%);
}

body {
  overflow: auto;
}

.app-shell {
  min-height: 100vh;
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto auto auto minmax(0, 1fr);
  gap: 14px;
}

.topbar,
.hero-grid,
.control-panel,
.status-strip,
.table-wrap {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.topbar {
  padding: 18px 22px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2.4rem);
}

.subtle {
  margin: 6px 0 0;
  color: var(--muted);
  max-width: 60ch;
}

.topbar-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.secondary-button,
select,
input {
  font: inherit;
}

.secondary-button {
  border: 0;
  background: var(--ink);
  color: white;
  padding: 12px 16px;
  border-radius: 14px;
  cursor: pointer;
}

.timestamp-card {
  min-width: 180px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
}

.timestamp-card span,
.summary-card .label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-grid {
  padding: 14px;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.summary-card {
  background: var(--panel-strong);
  border-radius: 18px;
  padding: 14px 16px;
  border: 1px solid var(--border);
}

.summary-card.alert {
  background: linear-gradient(135deg, rgba(182, 61, 50, 0.12), rgba(255, 250, 244, 0.95));
}

.summary-card strong {
  display: block;
  margin-top: 6px;
  font-size: 1.8rem;
}

.summary-card small {
  color: var(--muted);
}

.control-panel {
  padding: 12px 14px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1.3fr repeat(3, 1fr) 1.2fr 1fr;
  align-items: end;
}

.control-group {
  display: grid;
  gap: 6px;
}

.control-group label {
  color: var(--muted);
  font-size: 0.84rem;
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-row input {
  width: 20px;
  height: 20px;
}

input[type="range"] {
  width: 100%;
}

input,
select {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: white;
  padding: 10px 12px;
  color: var(--ink);
}

.status-strip {
  padding: 12px 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--panel-strong);
  border: 1px solid var(--border);
  font-size: 0.84rem;
}

.pill.positive {
  background: var(--success-soft);
  color: var(--success);
}

.pill.negative {
  background: var(--danger-soft);
  color: var(--danger);
}

.table-wrap {
  min-height: 0;
  max-height: calc(100vh - 360px);
  overflow: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 6px;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: #f9f3ea;
  text-align: left;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr {
  transition: background 120ms ease, transform 120ms ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.8);
}

.stock-name {
  font-weight: 700;
}

.stock-symbol,
.muted,
.updated {
  color: var(--muted);
  font-size: 0.85rem;
}

.signal-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.signal-200 {
  color: var(--danger);
  background: var(--danger-soft);
}

.signal-50 {
  color: #a75a0d;
  background: rgba(220, 138, 34, 0.15);
}

.signal-clear {
  color: var(--success);
  background: var(--success-soft);
}

.negative {
  color: var(--danger);
}

.positive {
  color: var(--success);
}

@media (max-width: 1100px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100vh;
    grid-template-rows: repeat(5, auto);
  }

  .hero-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-wrap {
    max-height: none;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topbar-actions,
  .hero-grid,
  .control-panel {
    width: 100%;
  }

  .hero-grid,
  .control-panel {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: 10px;
  }
}