:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #66736d;
  --line: #dce5df;
  --paper: #fbfcf8;
  --panel: #ffffff;
  --teal: #0f8b8d;
  --teal-dark: #0b6466;
  --mint: #dff3eb;
  --amber: #f4b942;
  --red: #be4b49;
  --shadow: 0 18px 50px rgba(22, 38, 32, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(15, 139, 141, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(244, 185, 66, 0.18), transparent 30%),
    var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: white;
  font-weight: 800;
}

.brand small,
.metric span,
.eyebrow,
label,
.form-message,
.badge {
  color: var(--muted);
}

.brand strong,
.brand small {
  display: block;
}

.nav {
  display: grid;
  gap: 6px;
}

.nav a {
  border-radius: 8px;
  color: var(--muted);
  padding: 12px 14px;
  text-decoration: none;
}

.nav a.active,
.nav a:hover {
  background: var(--mint);
  color: var(--teal-dark);
}

.ghost {
  margin-top: auto;
  border: 1px solid var(--line);
  background: transparent;
}

.icon-button {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.workspace {
  padding: 28px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.76rem;
  font-weight: 760;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1.18rem;
}

h3 {
  margin: 0;
}

.status-pill,
.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  padding: 8px 12px;
  white-space: nowrap;
}

.auth-panel {
  min-height: 66vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  align-items: center;
  gap: 32px;
}

.auth-copy h2 {
  max-width: 780px;
  font-size: clamp(2rem, 5vw, 5.2rem);
  line-height: 0.96;
}

.auth-copy p:last-child {
  max-width: 560px;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.auth-form,
.panel,
.metric {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.auth-form {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px;
  background: #f4f7f3;
}

.segmented button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 10px;
  color: var(--muted);
}

.segmented button.selected {
  background: white;
  color: var(--ink);
  box-shadow: 0 4px 14px rgba(24, 48, 37, 0.08);
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 680;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(15, 139, 141, 0.13);
}

.checkbox-line {
  align-items: center;
  background: #f7faf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: flex;
  gap: 10px;
  padding: 12px 13px;
}

.checkbox-line input {
  accent-color: var(--teal);
  height: 18px;
  width: 18px;
}

.primary,
.secondary,
.danger {
  border-radius: 8px;
  padding: 12px 14px;
  font-weight: 780;
}

.primary {
  border: 0;
  background: var(--teal);
  color: white;
}

.primary:hover {
  background: var(--teal-dark);
}

.secondary {
  border: 1px solid var(--teal);
  background: white;
  color: var(--teal-dark);
}

.danger {
  border: 0;
  background: var(--red);
  color: white;
}

.form-message {
  min-height: 20px;
  margin-bottom: 0;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.hidden {
  display: none !important;
}

.dashboard {
  display: grid;
  gap: 18px;
}

.panel-stack {
  display: grid;
  gap: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 1.8rem;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.stacked-form,
.risk-grid {
  display: grid;
  gap: 14px;
}

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

.green {
  background: var(--mint);
  color: var(--teal-dark);
  border-color: transparent;
}

.strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.strategy-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  gap: 14px;
  min-height: 240px;
}

.strategy-card .secondary,
.strategy-card .primary {
  width: 100%;
}

.strategy-note {
  color: var(--muted);
  line-height: 1.65;
}

.strategy-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) max-content;
  margin-top: 16px;
}

.calculator {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 18px;
}

.advanced-settings {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-top: 14px;
  padding: 0;
}

.advanced-settings summary {
  color: var(--teal-dark);
  cursor: pointer;
  font-weight: 780;
  list-style: none;
  padding: 12px 14px;
}

.advanced-settings summary::-webkit-details-marker {
  display: none;
}

.advanced-settings summary::after {
  content: "+";
  float: right;
}

.advanced-settings[open] summary::after {
  content: "-";
}

.advanced-settings .risk-grid {
  border-top: 1px solid var(--line);
  padding: 14px;
}

.live-test-box {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding-top: 18px;
}

.compact-heading {
  margin-bottom: 0;
}

.toast-layer {
  bottom: 0;
  display: flex;
  justify-content: flex-end;
  left: 0;
  padding: 24px;
  pointer-events: auto;
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
}

.toast-card {
  align-self: flex-start;
  background: white;
  border: 1px solid var(--line);
  border-left: 6px solid var(--teal);
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
  max-width: 420px;
  padding: 18px;
  width: min(420px, 100%);
}

.toast-layer.error .toast-card {
  border-left-color: var(--red);
}

.toast-card p {
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 0;
}

.toast-card strong,
.toast-card span {
  display: block;
}

.toast-card span {
  color: var(--muted);
  margin-top: 6px;
}

.calc-heading {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.calc-metrics {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 14px;
}

.calc-metrics.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 14px;
}

.calc-metrics div {
  background: #f7faf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
}

.calc-metrics span {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.calc-metrics strong {
  display: block;
  font-size: 1rem;
}

.plan-table {
  border-collapse: collapse;
  font-size: 0.88rem;
  width: 100%;
}

.plan-table th,
.plan-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
}

.plan-table th {
  color: var(--muted);
  font-size: 0.78rem;
}

.signal-layout {
  align-items: start;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  margin-bottom: 16px;
}

.strategy-executor-form {
  display: grid;
  gap: 14px;
}

.field-label {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 680;
  margin-bottom: 8px;
}

.field-help {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 560;
  line-height: 1.45;
}

.strategy-mode-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mode-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  display: grid;
  gap: 4px;
  min-height: 72px;
  padding: 10px 12px;
  text-align: left;
}

.mode-card.selected {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 139, 141, 0.12);
}

.mode-card strong {
  font-size: 0.95rem;
}

.mode-card span {
  color: var(--muted);
  font-size: 0.78rem;
}

.auto-direction-note {
  align-items: center;
  background: #f7faf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  padding: 12px 13px;
}

.auto-direction-note span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 680;
}

.signal-output {
  align-self: start;
  background: #f7faf6;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 0;
  padding: 10px 12px;
}

.signal-hint {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
  margin-bottom: 0;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action-row button {
  flex: 1 1 180px;
}

.compact-actions {
  flex: 0 0 auto;
  justify-content: flex-end;
}

.compact-actions button {
  flex: 0 0 auto;
  padding: 8px 10px;
}

.strategy-card p {
  color: var(--muted);
  line-height: 1.55;
}

.strategy-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.bot-list,
.activity-list {
  display: grid;
  gap: 10px;
}

.row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.row small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 920px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    overflow-x: auto;
  }

  .nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
  }

  .ghost {
    margin-top: 0;
    margin-left: auto;
  }

  .auth-panel,
  .split,
  .signal-layout,
  .strategy-grid,
  .metric-grid,
  .risk-grid,
  .calc-metrics,
  .calc-metrics.compact,
  .strategy-mode-grid {
    grid-template-columns: 1fr;
  }

  .workspace {
    padding: 20px;
  }
}

@media (max-width: 560px) {
  .topbar,
  .panel-heading,
  .row {
    flex-direction: column;
    align-items: stretch;
  }

  .sidebar {
    padding: 16px;
  }
}