:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3d9cf5;
  --accent-dim: #2b7bc4;
  --ok: #3ecf8e;
  --warn: #e8b84a;
  --err: #f07178;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 3rem;
}

.page-wrap {
  max-width: min(1400px, 100%);
  margin: 0 auto;
}

.sub {
  color: var(--muted);
  max-width: 52rem;
  margin: 0;
  font-size: 0.9rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin-top: 1.25rem;
}

.card h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--text);
}

.card-head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0;
}

.card-head-row h2 {
  margin: 0;
}

.card--collapsed > .card-body {
  display: none;
}

.card--collapsed .card-head-row {
  margin-bottom: 0;
}

.head-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

/* Ladder: bucket label + Buy CE/PE on one row */
.bucket-row.bucket-row--ladder-line {
  border-bottom: none;
  padding: 0;
}

.bucket-row--ladder-line .bucket-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  padding: 0.42rem 0;
  border-bottom: 1px solid var(--border);
}

.bucket-row--ladder-line:last-child .bucket-line {
  border-bottom: none;
}

.bucket-row--ladder-line .bucket-title {
  margin-bottom: 0;
  min-width: 3rem;
  flex: 0 0 auto;
}

.bucket-row--ladder-line .bucket-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-top: 0;
  margin-left: auto;
}

#ladder-section > h2 {
  margin-bottom: 0.5rem;
}



.strategy-panel {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  background: rgba(15, 20, 25, 0.45);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.strategy-panel-head {
  margin-bottom: 0.5rem;
}

.strategy-panel-title {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.strategy-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

button.strategy-btn {
  font-size: 0.72rem;
  line-height: 1.35;
  padding: 0.45rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: rgba(26, 35, 50, 0.9);
  color: var(--text);
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
  max-width: 11.5rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

button.strategy-btn:hover {
  border-color: var(--accent-dim);
}

button.strategy-btn.strategy-btn--active {
  border-color: var(--accent);
  background: rgba(61, 156, 245, 0.22);
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(61, 156, 245, 0.35);
}

button.strategy-btn.strategy-btn--suggested:not(.strategy-btn--active)::after {
  content: "";
  position: absolute;
  top: 4px;
  right: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 0 1px var(--surface);
}

.chevron-toggle {
  flex-shrink: 0;
  min-width: 2.25rem;
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
}

.btn.btn--working {
  opacity: 0.65;
  pointer-events: none;
}

.btn.btn--ok-flash {
  background: rgba(62, 207, 142, 0.35);
  border-color: var(--ok);
  color: var(--ok);
}

.btn.btn--err-flash {
  background: rgba(240, 113, 120, 0.25);
  border-color: var(--err);
  color: var(--err);
}

.scalper-toggles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.scalper-toggles--stop {
  gap: 0.5rem 0.75rem;
}

.ladder-sizing-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: 0 0 0.5rem;
}

.ladder-fund-label {
  font-size: 0.82rem;
  color: var(--muted);
  margin-right: 0.15rem;
}

.ladder-fund-slices {
  align-items: baseline;
}

.ladder-fund-slice {
  font-size: 0.82rem;
}

.ladder-fund-slice input[type="radio"] {
  accent-color: var(--accent);
  cursor: pointer;
}

.ladder-fund-hint {
  font-size: 0.75rem;
  color: var(--muted);
  font-style: italic;
}

.ladder-lots-label {
  cursor: default;
}

.inline-label select.ladder-lots-select {
  max-width: 4.5rem;
  cursor: pointer;
}

.scalp-settings-summary {
  margin: 0.6rem 0 0;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.45;
}

.scalp-settings-head {
  color: var(--text);
  font-weight: 600;
}

.scalp-settings-warn {
  color: var(--warn);
  font-weight: 600;
}

.scalp-settings-summary--missing {
  color: var(--warn);
}

.bucket-row--ladder-line.ladder-row--lottery .bucket-line {
  background: rgba(232, 184, 74, 0.05);
  padding-left: 0.5rem;
}

.bucket-row--ladder-line.ladder-row--lottery .bucket-title {
  color: var(--warn);
  opacity: 0.8;
}

.ladder-batch-hint {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
}

.ladder-buy-cell {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.ladder-pick {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.ladder-pick:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.btn-buy-selected {
  border-color: var(--ok);
  color: var(--ok);
  background: rgba(62, 207, 142, 0.1);
  font-weight: 600;
}

.btn-buy-selected:hover:not(:disabled) {
  filter: brightness(1.08);
}

.strategy-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.15);
  cursor: pointer;
  user-select: none;
  font-size: 0.82rem;
  font-weight: 600;
}

.strategy-toggle-label {
  color: var(--text);
}

.strategy-toggle-state {
  min-width: 2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.strategy-toggle.strategy-armed .strategy-toggle-state {
  color: var(--ok);
}

.strategy-toggle.strategy-disarmed .strategy-toggle-state {
  color: var(--muted);
}

.strategy-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.strategy-toggle-track {
  position: relative;
  width: 2.6rem;
  height: 1.35rem;
  border-radius: 999px;
  background: #3a4658;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.strategy-toggle-knob {
  position: absolute;
  top: 0.15rem;
  left: 0.15rem;
  width: 1.05rem;
  height: 1.05rem;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.strategy-toggle.strategy-armed .strategy-toggle-track {
  background: rgba(62, 207, 142, 0.55);
}

.strategy-toggle.strategy-armed .strategy-toggle-knob {
  transform: translateX(1.25rem);
}

.strategy-toggle:has(input:disabled) {
  opacity: 0.65;
  cursor: wait;
}

.btn-strategy-stop {
  border-color: var(--err);
  color: var(--err);
  background: rgba(240, 113, 120, 0.12);
  font-weight: 600;
}

.btn-strategy-stop:hover {
  filter: brightness(1.08);
}

.inline-check,
.inline-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  user-select: none;
}

.inline-label select {
  width: auto;
  max-width: 5rem;
  padding: 0.25rem 0.4rem;
  font-size: 0.8rem;
}

.actions.tight {
  margin-top: 0.35rem;
  margin-bottom: 0.5rem;
}

.mono-nums {
  font-variant-numeric: tabular-nums;
}

.row {
  margin-bottom: 0.75rem;
}

.row label {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.opt {
  font-weight: 400;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  max-width: 24rem;
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
}

.grid.two {
  display: grid;
  gap: 0 1.5rem;
}

@media (min-width: 640px) {
  .grid.two {
    grid-template-columns: 1fr 1fr;
  }
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.funds-status {
  margin-top: 0.65rem;
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.25em;
  line-height: 1.35;
}

.funds-status.ok {
  color: var(--text);
}

.funds-status.bad {
  color: var(--err);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
}

.btn:hover {
  border-color: var(--muted);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent-dim);
  color: #0a0e12;
  font-weight: 600;
}

.btn.primary:hover {
  filter: brightness(1.06);
}

.status {
  font-size: 0.95rem;
}

.status.ok {
  color: var(--ok);
}

.status.bad {
  color: var(--err);
}

.agent-check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.agent-check input {
  accent-color: var(--accent);
}

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.5rem 0 1rem;
}

.warn {
  color: var(--warn);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

.mono {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border-radius: 6px;
  font-size: 0.8rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.results {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
}

.results li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--muted);
}

.results li:hover {
  color: var(--accent);
}

.table-wrap {
  margin-top: 1rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
}

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-panel {
  max-width: 420px;
  margin: 0 auto;
}

.login-foot {
  margin-top: 1.25rem;
}

.login-step-banner {
  margin: 0 0 1rem;
  padding: 0.65rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border, #334);
  background: rgba(80, 140, 255, 0.08);
}

.ladder-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 0.75rem;
}

@media (min-width: 768px) {
  .ladder-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.ladder-head {
  font-size: 1rem;
  margin: 0 0 0.35rem;
  color: var(--accent);
}

.ladder-meta {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.bucket-row {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0;
}

.bucket-title {
  font-weight: 600;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.sym-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.72rem;
  color: var(--muted);
  margin: 0.15rem 0;
  font-family: ui-monospace, "Cascadia Code", monospace;
}

.sym-line.scalper-row {
  align-items: baseline;
}

.ladder-buy-hint {
  font-size: 0.68rem;
  color: var(--muted);
  font-style: italic;
}

.sym-line code {
  background: var(--bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--text);
  font-size: 0.7rem;
}

.quote-chip {
  font-size: 0.68rem;
  color: var(--accent);
  background: rgba(61, 156, 245, 0.12);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.08rem 0.35rem;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.table-wrap.dense table {
  font-size: 0.76rem;
}

.table-wrap.dense th,
.table-wrap.dense td {
  padding: 0.3rem 0.45rem;
}

.btn.small {
  padding: 0.2rem 0.45rem;
  font-size: 0.75rem;
}

.btn-buy {
  background: rgba(62, 207, 142, 0.2);
  border-color: var(--ok);
  color: var(--ok);
}

.btn-buy:hover {
  filter: brightness(1.1);
}

.btn-stop {
  border-color: var(--warn);
  color: var(--warn);
  background: rgba(232, 184, 74, 0.12);
}

.btn-stop:hover {
  filter: brightness(1.08);
}

.trade-log-pre {
  max-height: min(70vh, 560px);
  overflow: auto;
  margin-top: 0.5rem;
}

#trade-log.trade-log-pre.mono {
  margin-top: 0.5rem;
}

.pi-probe-pre {
  max-height: 220px;
  overflow: auto;
  margin: 0.5rem 0 0;
  padding: 0.5rem 0.75rem;
  font-size: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  white-space: pre-wrap;
  word-break: break-word;
}

a {
  color: var(--accent);
}