:root {
  --bg-0: #0a0d14;
  --bg-1: #111622;
  --bg-2: #182032;
  --bg-3: #202a40;
  --border: #283550;
  --text-0: #f3f6fc;
  --text-1: #b1bdd6;
  --text-2: #7a8aa8;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --green: #10b981;
  --green-bg: rgba(16, 185, 129, 0.14);
  --red: #f43f5e;
  --red-bg: rgba(244, 63, 94, 0.14);
  --amber: #f59e0b;
  --amber-bg: rgba(245, 158, 11, 0.15);
  --purple: #a855f7;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-sans);
  line-height: 1.5;
  padding-block-end: 3rem;
}

.app-shell {
  max-inline-size: 1440px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* Header & Paper-Trading Banner */
.top-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
  border-block-end: 1px solid var(--border);
  margin-block-end: 1.25rem;
}

.brand-group h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.paper-pill {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  background: var(--green-bg);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.brand-subtitle {
  color: var(--text-1);
  font-size: 0.86rem;
  margin-block-start: 0.25rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Controls Panel */
.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-block-end: 1.25rem;
}

.control-box {
  display: flex;
  flex-direction: column;
  gap: 0.38rem;
}

.control-box label {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-1);
  display: flex;
  justify-content: space-between;
}

.input-row {
  display: flex;
  gap: 0.45rem;
  align-items: center;
}

input[type="number"],
select {
  background: var(--bg-2);
  color: var(--text-0);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  inline-size: 100%;
}

input[type="range"] {
  inline-size: 100%;
  accent-color: var(--accent);
}

.btn {
  background: var(--bg-2);
  color: var(--text-0);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.85rem;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.btn:hover {
  background: var(--bg-3);
  border-color: var(--accent);
}

.btn-primary {
  background: var(--accent-strong);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: #0369a1;
}

.btn-amber {
  background: var(--amber-bg);
  border-color: var(--amber);
  color: #fcd34d;
}

.btn-danger {
  background: var(--red-bg);
  border-color: var(--red);
  color: #fda4af;
}

/* Market Selector Tabs */
.market-tabs {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-block-end: 1.25rem;
}

.market-tab {
  background: var(--bg-1);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.market-tab.active {
  background: var(--accent-strong);
  color: #fff;
  border-color: var(--accent);
}

/* KPI Strip */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.9rem;
  margin-block-end: 1.25rem;
}

.kpi-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-1);
}

.kpi-value {
  font-size: 1.55rem;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-block: 0.25rem;
}

.kpi-sub {
  font-size: 0.78rem;
  color: var(--text-2);
}

.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-amber { color: var(--amber); }
.text-accent { color: var(--accent); }
.text-purple { color: var(--purple); }

/* Main Two-Column Layout */
.workspace-grid {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 1.2rem;
  margin-block-end: 1.25rem;
}

@media (max-width: 1024px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
}

.panel-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block-end: 0.85rem;
}

.panel-title {
  font-size: 0.96rem;
  font-weight: 700;
}

.chart-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-1);
}

.legend-dot {
  display: inline-block;
  inline-size: 10px;
  block-size: 10px;
  border-radius: 50%;
  margin-inline-end: 4px;
}

.chart-box {
  inline-size: 100%;
  block-size: 270px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  position: relative;
}

.chart-box svg {
  inline-size: 100%;
  block-size: 100%;
  overflow: visible;
}

/* Leader Cards & Rotation Log */
.leaders-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-block-end: 1rem;
}

.leader-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.8rem;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: border-color 0.2s, background 0.2s;
}

.leader-item.active-leader {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

.leader-meta {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.leader-name {
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.badge-tag {
  font-size: 0.68rem;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background: var(--bg-3);
  color: var(--accent);
  font-family: var(--font-mono);
}

.streak-pips {
  display: flex;
  gap: 0.3rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.pip {
  inline-size: 10px;
  block-size: 10px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 1px solid var(--border);
}

.pip.loss {
  background: var(--red);
  border-color: var(--red);
}

.rotation-feed {
  max-block-size: 165px;
  overflow-y: auto;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rotation-entry {
  padding: 0.35rem 0.5rem;
  border-inline-start: 3px solid var(--amber);
  background: var(--bg-1);
  border-radius: 4px;
}

/* Responsive Data Table (following modern-web-guidance `responsive-table`) */
.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(500px, 80vh);
  container-type: inline-size;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-1);
}

.table-wrapper:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

table {
  inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.83rem;
}

caption {
  text-align: start;
  padding: 0.75rem 1rem;
  font-weight: 700;
  color: var(--text-1);
  background: var(--bg-1);
  border-block-end: 1px solid var(--border);
}

thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 2;
  background: var(--bg-2);
}

th,
td {
  padding: 0.6rem 0.8rem;
  text-align: start;
  border-block-end: 1px solid var(--border);
  font-family: var(--font-mono);
  white-space: nowrap;
}

thead th {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-1);
  background: var(--bg-2);
}

tbody th {
  position: sticky;
  inset-inline-start: 0;
  z-index: 1;
  background: var(--bg-1);
  font-weight: 600;
  color: var(--text-0);
}

tbody tr:hover td,
tbody tr:hover th {
  background: var(--bg-2);
}

@container (width < 600px) {
  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
    white-space: normal;
  }

  thead {
    /* MANDATORY: Hide column header from layout and screen readers. */
    display: none;
  }

  tr {
    margin-block-end: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
  }

  tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background: var(--bg-2);
  }

  table {
    --label-2: "Market";
    --label-3: "Copied Leader";
    --label-4: "Asset / Contract";
    --label-5: "Position Size";
    --label-6: "Leader Move";
    --label-7: "Fees & Slippage";
    --label-8: "Net Real PnL";
    --label-9: "Wallet Balance";
    --label-10: "Rule Action";
  }

  td:nth-child(2)::before { content: var(--label-2) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(3)::before { content: var(--label-3) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(4)::before { content: var(--label-4) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(5)::before { content: var(--label-5) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(6)::before { content: var(--label-6) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(7)::before { content: var(--label-7) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(8)::before { content: var(--label-8) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(9)::before { content: var(--label-9) ": "; color: var(--text-1); font-weight: 600; }
  td:nth-child(10)::before { content: var(--label-10) ": "; color: var(--text-1); font-weight: 600; }
}

/* Modal Dialog for Per-Bot Complete 10-Day Plot & Trade Ledger */
dialog.bot-modal {
  margin: auto;
  inline-size: min(92vw, 960px);
  max-block-size: 88vh;
  background: var(--bg-1);
  color: var(--text-0);
  border: 1px solid var(--accent);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.75);
  overflow-y: auto;
}

dialog.bot-modal::backdrop {
  background-color: rgba(2, 6, 23, 0.75);
  backdrop-filter: blur(3px);
}