/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #0a0a0a;
  --surface:    #111111;
  --surface2:   #1a1a1a;
  --border:     #262626;
  --text:       #e8eaf0;
  --muted:      #7880a0;
  --accent:     #e8eaf0;
  --accent-dim: #2a2a2a;
  --green:      #3ecf8e;
  --green-dim:  #12362a;
  --red:        #f25c6e;
  --red-dim:    #3d1520;
  --orange:     #f5a623;
  --orange-dim: #3a2a10;
  --radius:     10px;
  --transition: 0.18s ease;
}

html { font-size: 15px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────────── */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ── Header ───────────────────────────────────────────────── */
header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
}

header h1 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-svg {
  flex-shrink: 0;
  position: relative;
  top: -1px;
}

.logo-img {
  height: 48px;
  width: auto;
  flex-shrink: 0;
  filter: invert(1);
  mix-blend-mode: screen;
}

.subtitle {
  color: var(--muted);
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

/* ── Sections ─────────────────────────────────────────────── */
section {
  margin-bottom: 2rem;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ── API Key ──────────────────────────────────────────────── */
.api-key-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.api-key-section label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.api-key-row {
  display: flex;
  gap: 0.6rem;
}

.hint {
  margin-top: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Inputs ───────────────────────────────────────────────── */
input[type="text"],
input[type="number"],
input[type="password"],
input[type="date"],
select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 0.55rem 0.85rem;
  outline: none;
  transition: border-color var(--transition);
  width: 100%;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="date"]:focus,
select:focus {
  border-color: var(--accent);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237880a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.55rem 1.1rem;
  transition: opacity var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn:hover { opacity: 0.85; }
.btn:active { opacity: 0.7; }

.btn-primary   { background: #2e2e2e; color: var(--text); border: 1px solid #3a3a3a; }
.btn-secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-accent    { background: #ffffff; color: #000000; font-weight: 600; }
.btn-ghost     { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-remove    { background: transparent; color: var(--muted); border: 1px solid transparent; font-size: 1.1rem; padding: 0.3rem 0.6rem; line-height: 1; }
.btn-remove:hover { color: var(--red); background: var(--red-dim); }

/* ── Positions List ───────────────────────────────────────── */
.positions-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.position-row {
  display: grid;
  grid-template-columns: 1fr 95px 72px 100px 95px auto;
  gap: 0.6rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  animation: slideIn 0.15s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.position-row .ticker-input {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.direction-select option[value="long"]  { color: var(--green); }
.direction-select option[value="short"] { color: var(--red);   }

/* ── Ticker wrap + cache dot ──────────────────────────────── */
.ticker-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.ticker-wrap .ticker-input { flex: 1; padding-right: 1.6rem; }

.cache-dot {
  position: absolute;
  right: 0.55rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: transparent;
  flex-shrink: 0;
  cursor: default;
}

.cache-dot.dot-fresh { background: var(--green); }
.cache-dot.dot-stale { background: var(--orange); }
.cache-dot.dot-none  { background: var(--border); }

.value-input {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* ── Price override input ─────────────────────────────────── */
.price-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.price-prefix {
  position: absolute;
  left: 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 1;
}

.price-wrap .price-input {
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.85rem;
  width: 100%;
}

.price-wrap .price-input:focus,
.price-wrap .price-input:not(:placeholder-shown) {
  color: var(--text);
}

/* ── Actions ──────────────────────────────────────────────── */
.actions {
  display: flex;
  gap: 0.75rem;
}

/* ── Tab Navigation ───────────────────────────────────────── */
.tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.65rem 1.25rem;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
}

.tab-btn:hover { color: var(--text); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── Summary Cards ────────────────────────────────────────── */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

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

.card-label {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card-value.long  { color: var(--green); }
.card-value.short { color: var(--red);   }
.card-value.net   { color: var(--text);  }

/* ── Filter Row ───────────────────────────────────────────── */
.filter-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.filter-tabs {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.filter-tab {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.9rem;
  transition: background var(--transition), color var(--transition);
}

.filter-tab:hover { background: var(--surface2); color: var(--text); }
.filter-tab.active { background: var(--accent-dim); color: var(--accent); }

.search-input {
  width: 220px;
  flex-shrink: 0;
  font-size: 0.88rem;
  padding: 0.4rem 0.75rem;
}

/* ── Table ────────────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead tr {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

th {
  padding: 0.7rem 1rem;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  user-select: none;
}

th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--text); }
th.sortable.active { color: var(--accent); }

.sort-icon {
  margin-left: 0.3rem;
  display: inline-block;
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface); }

td {
  padding: 0.65rem 1rem;
  vertical-align: middle;
}

td:first-child { color: var(--muted); font-size: 0.8rem; }

.ticker-cell {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.company-cell {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.exposure-cell {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.exposure-cell.long  { color: var(--green); }
.exposure-cell.short { color: var(--red);   }

.badge {
  display: inline-block;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-long  { background: var(--green-dim); color: var(--green); }
.badge-short { background: var(--red-dim);   color: var(--red);   }

.sources-cell {
  font-size: 0.8rem;
  color: var(--muted);
  max-width: 200px;
}

.source-tag {
  display: inline-block;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.72rem;
  padding: 0.1rem 0.4rem;
  margin: 0.1rem;
}

/* ── Results Meta ─────────────────────────────────────────── */
.results-meta {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ── Error Banner ─────────────────────────────────────────── */
/* ── Cache section ────────────────────────────────────────── */
.cache-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.cache-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.cache-badge {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 0.75rem;
  color: var(--muted);
  padding: 0.1rem 0.55rem;
}

.cache-btns {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.btn-sm { font-size: 0.8rem; padding: 0.35rem 0.7rem; }
.btn-xs { font-size: 0.75rem; padding: 0.2rem 0.5rem; }

/* hide the real file input inside the label */
#importCacheInput { display: none; }

.cache-panel { margin-top: 0.85rem; }

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

.cache-table th {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.4rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.cache-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.cache-table tbody tr:last-child td { border-bottom: none; }
.cache-table tbody tr:hover { background: var(--surface2); }

.cache-row-actions { display: flex; gap: 0.3rem; }

.status-fresh { background: var(--green-dim);  color: var(--green); }
.status-stale { background: var(--orange-dim); color: var(--orange); }

/* ── Success banner ───────────────────────────────────────── */
.success-banner {
  background: var(--green-dim);
  border: 1px solid var(--green);
  border-radius: var(--radius);
  color: var(--green);
  font-size: 0.9rem;
  margin-top: 1rem;
  padding: 0.85rem 1.1rem;
  white-space: pre-line;
}

.error-banner {
  background: var(--red-dim);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  color: var(--red);
  font-size: 0.9rem;
  margin-top: 1rem;
  padding: 0.85rem 1.1rem;
  white-space: pre-line;
}

/* ── Loading Overlay ──────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 17, 23, 0.82);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
  backdrop-filter: blur(2px);
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ── Utilities ────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Exposure Optimization tab ───────────────────────────── */
.opt-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.opt-section > h2 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.opt-etf-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  min-height: 2.5rem;
  margin-top: 0.75rem;
}

.opt-etf-chip {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.7rem;
  transition: all var(--transition);
}

.opt-etf-chip:hover {
  border-color: var(--accent);
  color: var(--text);
}

.opt-etf-chip.selected {
  background: #1e2a1e;
  border-color: var(--green);
  color: var(--green);
}

.opt-params {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.opt-param-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.opt-checkbox-row {
  margin-bottom: 0.75rem;
}

.opt-radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary, var(--muted));
  cursor: pointer;
}

.radio-label input[type="radio"] {
  width: 15px;
  height: 15px;
  accent-color: var(--green);
  cursor: pointer;
  flex-shrink: 0;
}

.card-ratio {
  font-size: 0.78rem;
  color: var(--green);
  opacity: 0.75;
  margin-top: 0.25rem;
  font-weight: 500;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary, var(--muted));
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--green);
  cursor: pointer;
  flex-shrink: 0;
}

.opt-param-group label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.opt-param-group input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 0.6rem 0.75rem;
  width: 100%;
  transition: border-color var(--transition);
}

.opt-param-group input:focus {
  border-color: var(--accent);
  outline: none;
}

.input-suffix-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-suffix-wrap input { padding-right: 2.2rem; }

.input-suffix {
  position: absolute;
  right: 0.8rem;
  color: var(--muted);
  font-size: 0.88rem;
  pointer-events: none;
}

/* Optimization results */
.opt-legs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.opt-leg {
  display: flex;
  flex-direction: column;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  min-width: 140px;
}

.opt-leg.long  { border-color: var(--green); }
.opt-leg.short { border-color: var(--red); }

.opt-leg-top {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
}

.opt-leg-dir {
  font-size: 0.72rem;
  font-weight: 600;
}

.opt-leg.long  .opt-leg-dir { color: var(--green); }
.opt-leg.short .opt-leg-dir { color: var(--red); }

.opt-leg-ticker {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}

.opt-leg-amount {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.1rem;
}

.opt-leg-shares {
  display: block;
  font-size: 0.75rem;
  color: var(--muted);
}

.input-prefix-wrap { position: relative; }
.input-prefix {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 0.88rem;
  pointer-events: none;
  z-index: 1;
}

.opt-target-card {
  display: inline-block;
  background: var(--green-dim);
  border: 1px solid var(--green);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.opt-target-card .card-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  opacity: 0.8;
  margin-bottom: 0.25rem;
}

.opt-target-card .card-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
}

.opt-constraint-note {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

/* ── Exposure bar chart (optimization results) ────────────── */
.exp-chart {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 0.25rem;
}

.exp-bar-row {
  display: grid;
  grid-template-columns: 68px 1fr 58px;
  align-items: center;
  gap: 10px;
}

.exp-bar-ticker {
  font-size: 0.78rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  text-align: right;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.exp-bar-row.target-row .exp-bar-ticker {
  color: var(--green);
  font-weight: 700;
}

.exp-bar-track {
  height: 22px;
  background: var(--surface2);
  border-radius: 3px;
  overflow: hidden;
}

.exp-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.35s ease;
}

.exp-bar-fill.long  { background: var(--green); opacity: 0.85; }
.exp-bar-fill.short { background: var(--red);   opacity: 0.85; }

.exp-bar-row.target-row .exp-bar-fill { opacity: 1; }

.exp-bar-value {
  font-size: 0.78rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  white-space: nowrap;
}

.exp-bar-value.long  { color: var(--green); }
.exp-bar-value.short { color: var(--red); }

/* Results chart (custom basket) — wider value col + sources */
.results-chart { margin-top: 0.5rem; }

.results-chart .exp-bar-row {
  grid-template-columns: 68px 1fr 76px auto;
}

.exp-bar-sources {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
  padding-left: 4px;
}

/* ── Bar popup ────────────────────────────────────────────── */
.bar-popup {
  position: fixed;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  z-index: 200;
  width: 260px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.5);
}

.bar-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.65rem;
}

.bar-popup-ticker {
  font-weight: 700;
  font-size: 0.95rem;
  font-family: 'SF Mono', 'Consolas', monospace;
  color: var(--text);
}

.bar-popup-pct {
  font-size: 0.82rem;
  color: var(--muted);
  margin-left: 0.5rem;
}

.bar-popup-close {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}

.bar-popup-close:hover { color: var(--text); }

.bar-popup-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.bar-popup-btn { width: 100%; text-align: left; }

.bar-popup-decrease-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.bar-popup-decrease-row .bar-popup-btn { flex: 1; }

.bar-popup-decrease-row input {
  width: 52px;
  padding: 4px 6px;
  font-size: 0.82rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  text-align: center;
}

.bar-popup-decrease-row span {
  font-size: 0.82rem;
  color: var(--muted);
  flex-shrink: 0;
}

/* ── Per-ticker caps ──────────────────────────────────────── */
.opt-ticker-caps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.cap-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--red-dim);
  border: 1px solid var(--red);
  color: var(--red);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 0.75rem;
  font-family: 'SF Mono', 'Consolas', monospace;
}

.cap-remove {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  padding: 0;
  font-size: 0.7rem;
  line-height: 1;
  opacity: 0.7;
}

.cap-remove:hover { opacity: 1; }

/* Make result bars clickable */
#optResultsContent .exp-bar-row {
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.15s;
}

#optResultsContent .exp-bar-row:hover {
  background: var(--surface2);
}

/* ── Historical Spread ─────────────────────────────────────── */
.hist-legs-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.hist-leg-row {
  display: grid;
  grid-template-columns: 1fr 95px 140px auto;
  gap: 0.6rem;
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 1rem;
}

.hist-leg-row .hist-leg-ticker {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hist-params-row {
  display: flex;
  align-items: flex-end;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.hist-date-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.hist-date-group label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hist-date-group input[type="date"] {
  width: 150px;
  color-scheme: dark;
}

/* Chart container */
.hist-chart-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 6px;
  margin-top: 0.75rem;
}

.hist-chart-wrap canvas {
  display: block;
  width: 100%;
  cursor: crosshair;
}

/* Legend */
.hist-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.65rem;
}

.hist-legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-family: 'SF Mono', Consolas, monospace;
  color: var(--muted);
}

.hist-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Tooltip */
.hist-tooltip {
  position: absolute;
  background: #1c1c1c;
  border: 1px solid #303030;
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  pointer-events: none;
  z-index: 20;
  min-width: 140px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.55);
}

.hist-tip-date {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.38);
  margin-bottom: 0.4rem;
  font-family: 'SF Mono', Consolas, monospace;
}

.hist-tip-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.18rem;
}

.hist-tip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.hist-tip-lbl {
  flex: 1;
  font-size: 0.72rem;
  font-family: 'SF Mono', Consolas, monospace;
  color: rgba(255,255,255,0.5);
}

.hist-tip-val {
  font-size: 0.78rem;
  font-family: 'SF Mono', Consolas, monospace;
  font-weight: 600;
  color: var(--text);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .position-row {
    grid-template-columns: 1fr 1fr 1fr auto;
    grid-template-rows: auto auto;
  }

  .position-row .ticker-wrap    { grid-column: 1 / 3; grid-row: 1; }
  .position-row .direction-select { grid-column: 3;    grid-row: 1; }
  .position-row .btn-remove     { grid-column: 4;     grid-row: 1; justify-self: end; }
  .position-row .price-wrap     { grid-column: 1;     grid-row: 2; }
  .position-row .shares-input   { grid-column: 2;     grid-row: 2; }
  .position-row .value-input    { grid-column: 3 / 5; grid-row: 2; }

  .summary-cards {
    grid-template-columns: 1fr;
  }

  .filter-row {
    flex-wrap: wrap;
  }

  .search-input {
    width: 100%;
  }
}