:root {
  --bg: #0b0f14;
  --bg-soft: #121822;
  --sidebar: #0f141b;
  --panel: #151c25;
  --panel-alt: #1a2230;
  --panel-raised: #202b3a;
  --line: rgba(156, 180, 211, 0.12);
  --line-strong: rgba(83, 212, 189, 0.24);
  --text: #edf3fb;
  --muted: #95a4ba;
  --muted-strong: #bfd0e7;
  --accent: #2dd4bf;
  --accent-strong: #19b8a8;
  --danger: #f87171;
  --success: #4ade80;
  --shadow: 0 28px 70px rgba(2, 6, 12, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(45, 212, 191, 0.08), transparent 22%),
    radial-gradient(circle at bottom right, rgba(25, 184, 168, 0.1), transparent 30%),
    linear-gradient(180deg, #0a0f14 0%, #0d121a 48%, #0b1017 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
summary {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  display: grid;
  gap: 18px;
  min-height: 100vh;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
  background: rgba(10, 14, 20, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(45, 212, 191, 0.24), rgba(25, 184, 168, 0.1));
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-size: 1.3rem;
  font-weight: 800;
}

.brand-kicker,
.eyebrow,
.panel-kicker,
.sidebar-label {
  margin: 0 0 6px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.brand h1 {
  margin: 0;
  font-size: 1.8rem;
  line-height: 1;
}

.sidebar-card,
.sidebar-footer,
.panel,
.metric-card,
.detail-card,
.run-item,
.meta-item,
.snapshot-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(26, 34, 48, 0.98) 0%, rgba(18, 24, 34, 0.98) 100%);
  box-shadow: var(--shadow);
}

.sidebar-card,
.sidebar-footer {
  border-radius: 20px;
  padding: 16px;
}

.sidebar-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.93rem;
}

.sidebar-nav {
  display: grid;
  gap: 8px;
}

.nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  border-radius: 14px;
  color: var(--muted-strong);
  border: 1px solid transparent;
  transition: border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text);
  background: rgba(45, 212, 191, 0.08);
  border-color: var(--line-strong);
}

.content-shell {
  display: grid;
  gap: 18px;
  padding: 24px;
}

.panel {
  border-radius: 24px;
  padding: 22px;
}

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

.topbar-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.lead,
.panel-status,
.form-status,
.page-status,
.run-item-body,
.run-item-foot,
.meta-grid dt,
.summary-stack span,
.reason-list,
.snapshot-row span,
.field span,
.metric-note {
  color: var(--muted);
}

.lead {
  margin-top: 10px;
  max-width: 70ch;
  font-size: 1rem;
  line-height: 1.7;
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 191, 0.18);
  background: rgba(45, 212, 191, 0.08);
  color: var(--accent);
  font-size: 0.88rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card {
  border-radius: 22px;
  padding: 18px;
}

.metric-label {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 14px;
  font-size: clamp(1.8rem, 2vw, 2.6rem);
  line-height: 1;
}

.metric-note {
  display: block;
  margin-top: 10px;
  font-size: 0.9rem;
}

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

.work-grid {
  display: grid;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
}

.panel-head h3,
.panel-head h4 {
  margin: 0;
  font-size: 1.4rem;
}

.panel-status {
  margin-top: 14px;
  line-height: 1.6;
  font-size: 0.95rem;
}

.ghost-button,
.primary-button,
.toggle-button {
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease, color 140ms ease;
}

.ghost-button {
  border: 1px solid var(--line);
  border-radius: 999px;
  min-height: 42px;
  padding: 0 16px;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  cursor: pointer;
}

.ghost-button:hover,
.ghost-button:focus-visible {
  background: rgba(45, 212, 191, 0.08);
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.list-toolbar,
.list-footer,
.preset-toolbar,
.account-toolbar,
.form-actions {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
}

.list-toolbar,
.preset-toolbar,
.account-toolbar {
  margin-top: 18px;
}

.list-footer {
  justify-content: space-between;
  margin-top: 18px;
}

.scope-toggle {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.toggle-button {
  border: 0;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted-strong);
  cursor: pointer;
}

.toggle-button.is-active {
  background: rgba(45, 212, 191, 0.12);
  color: var(--text);
}

.field {
  display: grid;
  gap: 8px;
}

.field-inline {
  flex: 1 1 180px;
}

.field span {
  font-size: 0.82rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 46px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 16, 0.86);
  color: var(--text);
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(45, 212, 191, 0.18);
  border-color: var(--line-strong);
}

.run-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.run-item {
  width: 100%;
  padding: 16px;
  border-radius: 18px;
  cursor: pointer;
  text-align: left;
}

.run-item:hover,
.run-item.is-active {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(30, 41, 58, 1) 0%, rgba(23, 31, 44, 1) 100%);
  transform: translateY(-1px);
}

.run-item-head,
.run-item-body,
.run-item-foot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.run-item-body,
.run-item-foot {
  margin-top: 10px;
  font-size: 0.92rem;
}

.run-symbol {
  font-size: 1rem;
  font-weight: 700;
}

.run-action {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(45, 212, 191, 0.1);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.run-action[data-action="Buy"] {
  color: var(--success);
  background: rgba(74, 222, 128, 0.12);
}

.run-action[data-action="Sell"] {
  color: #fca5a5;
  background: rgba(248, 113, 113, 0.12);
}

.run-action[data-action="Hold"] {
  color: var(--muted-strong);
  background: rgba(148, 163, 184, 0.1);
}

.simulation-form,
.stack-form,
.batch-panel,
.preset-panel,
.account-panel {
  display: grid;
  gap: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid-advanced {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.advanced-fields {
  margin-top: 4px;
  padding: 14px 16px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(7, 11, 16, 0.46);
}

.advanced-fields summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 700;
}

.advanced-fields[open] summary {
  margin-bottom: 14px;
}

.account-state,
.batch-summary,
.empty-state {
  padding: 16px;
  border-radius: 18px;
}

.account-state,
.batch-summary {
  border: 1px solid var(--line);
  background: rgba(10, 15, 22, 0.72);
}

.account-state-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.empty-state {
  border: 1px dashed rgba(156, 180, 211, 0.18);
  background: rgba(7, 11, 16, 0.42);
  color: var(--muted);
  line-height: 1.6;
}

.primary-button {
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 0 18px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #041012;
  font-weight: 700;
  cursor: pointer;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-1px);
}

.primary-button:disabled {
  opacity: 0.7;
  cursor: wait;
}

.form-status {
  line-height: 1.6;
  font-size: 0.92rem;
}

.form-status.is-success {
  color: var(--success);
}

.form-status.is-error {
  color: var(--danger);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.detail-card {
  border-radius: 18px;
  padding: 18px;
}

.detail-card-wide {
  grid-column: 1 / -1;
}

.detail-card h4 {
  margin: 0 0 14px;
  font-size: 1rem;
}

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

.meta-grid dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.meta-grid dd {
  margin: 6px 0 0;
  color: var(--text);
}

.meta-item {
  padding: 12px 14px;
  border-radius: 14px;
}

.summary-stack,
.snapshot-grid {
  display: grid;
  gap: 10px;
}

.summary-stack strong {
  display: block;
  color: var(--text);
  font-size: 0.98rem;
}

.reason-list {
  margin: 14px 0 0;
  padding-left: 18px;
  line-height: 1.65;
}

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

.snapshot-card {
  border-radius: 16px;
  padding: 16px;
}

.snapshot-card h4 {
  margin: 0 0 12px;
  font-size: 0.94rem;
}

.snapshot-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid rgba(156, 180, 211, 0.08);
}

.snapshot-row:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-status {
  font-size: 0.92rem;
}

.is-hidden {
  display: none;
}

@media (max-width: 1360px) {
  .metric-grid,
  .context-grid,
  .work-grid,
  .detail-grid,
  .account-state-grid,
  .meta-grid,
  .snapshot-grid,
  .form-grid,
  .form-grid-advanced {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar-nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .context-grid,
  .work-grid,
  .detail-grid,
  .account-state-grid,
  .meta-grid,
  .snapshot-grid,
  .form-grid,
  .form-grid-advanced,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .list-toolbar,
  .list-footer,
  .preset-toolbar,
  .account-toolbar,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .content-shell,
  .sidebar {
    padding: 16px;
  }

  .sidebar-nav {
    grid-template-columns: 1fr 1fr;
  }

  .panel,
  .metric-card,
  .sidebar-card,
  .sidebar-footer {
    border-radius: 20px;
  }

  .topbar-copy h2 {
    font-size: 2rem;
  }
}