:root {
  --page-bg: #f3f3ef;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #5f5f5f;
  --line: #111111;
  --line-soft: #c9c9c1;
  --hover: #efefe9;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Courier New", monospace;
  line-height: 1.55;
}

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

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 36px;
}

.page-header,
.card {
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-header {
  padding: 18px 22px;
  display: grid;
  gap: 18px;
}

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

.nav-link,
.btn,
.quick-btn,
.row button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
}

.nav-link {
  min-height: 38px;
  padding: 0 12px;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-link:hover,
.btn:hover,
.quick-btn:hover,
.row button:hover {
  background: #111111;
  color: #ffffff;
}

.nav-link-secondary {
  background: var(--page-bg);
}

.page-kicker,
.label {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-heading h1 {
  margin: 6px 0 8px;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 500;
  line-height: 1;
}

.page-heading p {
  margin: 0;
  max-width: 680px;
  color: var(--muted);
}

.page-main {
  margin-top: 16px;
}

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.95fr);
  gap: 16px;
}

.card {
  min-width: 0;
}

.chart-card {
  grid-column: 1 / -1;
}

.body {
  padding: 20px;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px 44px;
  gap: 8px;
  align-items: center;
}

.row input[type="number"],
.row input[type="text"],
.target-input input {
  width: 100%;
  min-width: 0;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
}

.row input[type="number"]:focus,
.row input[type="text"]:focus,
.target-input input:focus {
  outline: 2px solid #111111;
  outline-offset: 0;
}

.row button {
  height: 42px;
  cursor: pointer;
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
  align-items: center;
}

.compact-toolbar {
  margin-top: 8px;
}

.btn {
  min-height: 42px;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 500;
}

.btn.secondary {
  background: var(--page-bg);
}

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

.statgrid.bottom {
  margin-top: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.stat {
  padding: 14px;
  border: 1px dashed var(--line-soft);
  background: var(--page-bg);
}

.stat .value {
  margin-top: 4px;
  font-size: 1.3rem;
  font-weight: 500;
}

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

.delta.up {
  color: #111111;
}

.delta.down {
  color: #6d6d6d;
}

.hint {
  color: var(--muted);
  font-size: 12px;
}

.as-of {
  margin-top: 12px;
  text-align: left;
}

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

.target-input {
  min-width: 0;
}

.target-input label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.quick-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.quick-btn {
  min-height: 28px;
  padding: 0 8px;
  font-size: 0.72rem;
  cursor: pointer;
}

.quick-btn.active {
  background: #111111;
  color: #ffffff;
}

.chart-frame {
  height: 350px;
  position: relative;
  padding-top: 6px;
}

.chart-frame canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.chart-status {
  position: absolute;
  inset: 6px 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  color: var(--muted);
  font-size: 0.84rem;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(243, 243, 239, 0.85), rgba(243, 243, 239, 0.92));
}

.chart-status.is-hidden {
  display: none;
}

.page-footer {
  margin-top: 16px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
  display: grid;
  gap: 4px;
}

.collapsible-content {
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  max-height: 2000px;
  opacity: 1;
  margin-top: 10px;
}

#holdingsHeader {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: default;
  margin-bottom: 0;
}

#holdingsToggleArrow {
  display: none;
  font-size: 12px;
  transition: transform 0.3s;
}

@media (max-width: 980px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1200px);
    padding-top: 16px;
  }

  .page-header,
  .body,
  .page-footer {
    padding-left: 16px;
    padding-right: 16px;
  }

  .statgrid,
  .statgrid.bottom,
  .target-inputs,
  .target-stats-grid {
    grid-template-columns: 1fr;
  }

  .row {
    grid-template-columns: minmax(0, 1fr) 88px 40px;
  }

  .quick-buttons {
    flex-direction: column;
  }

  .quick-btn,
  .btn {
    width: 100%;
  }

  #holdingsHeader {
    cursor: pointer;
  }

  #holdingsToggleArrow {
    display: block;
    transform: rotate(0deg);
  }

  #holdingsToggleArrow.expanded {
    transform: rotate(180deg);
  }

  .collapsible-content {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
    pointer-events: none;
  }

  .collapsible-content.expanded {
    max-height: 2000px;
    opacity: 1;
    margin-top: 10px;
    pointer-events: auto;
  }
}