/* ── PANEL (full-screen) ── */
.panel {
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 101;
  transform: translateY(100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.panel.open { transform: translateY(0); }

.panel-header {
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--black);
  display: flex;
  align-items: center;
  gap: 0;
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 1;
}
.panel-header-left { display: flex; flex-direction: column; gap: 3px; }
.panel-header-name { font-size: 0.95rem; font-weight: 600; letter-spacing: -0.01em; }
.panel-header-desc { font-size: 0.68rem; color: var(--gray-400); }

.panel-close {
  font-family: var(--font);
  font-size: 0.7rem;
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 0.25rem 0.9rem;
  cursor: pointer;
  color: var(--gray-600);
  transition: all 0.1s;
  white-space: nowrap;
}
.panel-close:hover { border-color: var(--black); color: var(--black); }

.tag-oos {
  border-color: #1a6e2e33;
  color: var(--green);
  background: #f0faf3;
}

/* ── Body: two columns ── */
.panel-body {
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0 4rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  box-sizing: border-box;
}

.panel-col-left  { grid-column: 1; }
.panel-col-right { grid-column: 2; }

/* ── Chart header (year label + toggle) ── */
.panel-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.chart-year-label {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.chart-toggle-wrap {
  display: flex;
  gap: 0.3rem;
}

.chart-toggle-btn {
  font-family: var(--font);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.22rem 0.7rem;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  background: transparent;
  color: var(--gray-400);
  cursor: pointer;
  transition: all 0.12s;
}
.chart-toggle-btn:hover { border-color: var(--black); color: var(--black); }
.chart-toggle-btn.active {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

/* ── Equity curve ── */
.panel-sparkline {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 1.25rem;
}

/* ── Metrics grid ── */
.panel-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-bottom: 1.5rem;
}
.pm {
  padding: 0.75rem 0;
  padding-right: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
}
.pm:nth-child(odd) {
  border-right: 1px solid var(--gray-200);
  padding-right: 1.5rem;
}
.pm:nth-child(even) {
  padding-left: 1.5rem;
}
.pm-label {
  font-size: 0.57rem;
  color: var(--gray-400);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pm-val { font-size: 0.85rem; font-weight: 600; }
.pm-val.pos { color: var(--green); }
.pm-val.neg { color: var(--red); }

.pm.hero { padding-top: 0.9rem; padding-bottom: 0.9rem; }
.pm.hero .pm-val { font-size: 1.5rem; letter-spacing: -0.04em; }
.pm.dim .pm-val  { color: var(--gray-400); font-weight: 500; }
.pm.dim .pm-label { opacity: 0.7; }

/* ── Metric tiers ── */
.pm.hero { padding: 1rem 0.9rem; }
.pm.hero .pm-val { font-size: 1.35rem; letter-spacing: -0.03em; }
.pm.dim .pm-val  { color: var(--gray-400); font-weight: 500; }
.pm.dim .pm-label { opacity: 0.6; }

/* ── TIER 1: Hero row — Return · Max DD · Sharpe ── */
.metrics-tier-1 {
  display: flex;
  align-items: stretch;
  border-top: 1px solid var(--black);
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 1.25rem;
}

.mt1-cell {
  flex: 1;
  padding: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.mt1-cell:not(:first-child) {
  padding-left: 1.25rem;
}

.mt1-divider {
  width: 1px;
  background: var(--gray-200);
  margin: 0.75rem 1.25rem 0.75rem 0;
  flex-shrink: 0;
}

.mt1-label {
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.mt1-val {
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1;
}

.mt1-val.pos { color: var(--green); }
.mt1-val.neg { color: var(--red); }

/* ── TIER 2: Quality grid — Calmar · Sortino · Win % · PF ── */
.metrics-tier-2 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 1rem;
}

.mt2-cell {
  padding: 0.65rem 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mt2-cell:not(:first-child) {
  padding-left: 1rem;
  border-left: 1px solid var(--gray-200);
}

.mt2-label {
  font-size: 0.54rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.mt2-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--black);
}

/* ── TIER 3: Mechanics strip ── */
.metrics-tier-3 {
  font-size: 0.7rem;
  color: var(--gray-400);
  line-height: 1;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.metrics-tier-3 span[id] {
  color: var(--gray-600);
  font-weight: 500;
}

.mt3-dot {
  color: var(--gray-200) !important;
  font-weight: 400 !important;
  font-size: 0.8rem;
}

/* ── Section labels ── */
.metrics-section { margin-bottom: 1.5rem; }
.metrics-section-label {
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
  font-family: var(--font);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.metrics-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

/* ── Regime / section ── */
.panel-section { margin-bottom: 1.5rem; }
.panel-section-title {
  font-size: 0.65rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gray-400);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 0.75rem;
}
.regime-list { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.regime-list li {
  font-size: 0.75rem;
  color: var(--gray-600);
  line-height: 1.6;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
}
.regime-list li::before { content: '·'; font-size: 1rem; color: var(--black); flex-shrink: 0; line-height: 1; }
.regime-list.bad li::before { content: '·'; color: var(--black); }

/* ── Description text ── */
.panel-desc-text {
  font-size: 0.78rem;
  color: var(--gray-600);
  line-height: 1.9;
  margin-bottom: 0;
}

/* ── Year breakdown table ── */
.year-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font);
  font-size: 0.72rem;
}
.year-table th {
  font-size: 0.55rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  font-weight: 400;
  text-align: right;
  padding: 0 0.5rem 0.6rem;
  border-bottom: 1px solid var(--black);
}
.year-table th:first-child { text-align: left; padding-left: 0; }
.year-table td {
  padding: 0.55rem 0.5rem;
  text-align: right;
  border-bottom: 1px solid var(--gray-200);
}
.year-table td:first-child { text-align: left; padding-left: 0; }
.year-table tbody tr:last-child td { border-bottom: none; }
.year-table tbody tr:hover td { background: var(--gray-100); }

.yt-year { font-weight: 600; color: var(--black); }
.yt-val  { color: var(--gray-600); }
.yt-val.pos { color: var(--green); font-weight: 600; }
.yt-val.neg { color: var(--red); }

.panel-header-name { font-family: var(--font-text); }
.panel-desc-text { font-family: var(--font-text); }
.regime-list li { font-family: var(--font-text); }
.about-overlay-body h2 { font-family: var(--font-text); }
.about-overlay-body p { font-family: var(--font-text); }