/* ============================================================
   KINETIC MONOLITH — "High-Frequency Precision" Design System
   Emerald palette · Manrope + Inter · Cool obsidian
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;700&family=Inter:wght@300;400;500;600&family=Plus+Jakarta+Sans:wght@700;800&display=swap');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Surface hierarchy — cool obsidian glass layers */
  --surface:                 #0c0e10;
  --surface-container-lowest:#090b0d;
  --surface-container-low:   #111416;
  --surface-container:       #171a1c;
  --surface-container-high:  #1d2023;
  --surface-container-highest:#292c30;
  --surface-bright:          #292c30;

  /* Emerald accents */
  --primary:                 #3fff8b;
  --primary-fixed:           #3fff8b;
  --primary-container:       #13ea79;
  --on-primary:              #005d2c;
  --on-primary-fixed:        #005d2c;
  --secondary:               #d7e4ec;
  --secondary-container:     #3c494f;
  --tertiary:                #ff716c;
  --error:                   #ff716c;

  /* Text */
  --on-surface:              #e4e5e7;
  --on-surface-variant:      #aaabad;
  --outline:                 #6e7072;
  --outline-variant:         #46484a;

  /* Spacing scale */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 0.9rem;
  --sp-6: 1.3rem;
  --sp-8: 2rem;
  --sp-10: 2.25rem;
  --sp-12: 2.75rem;
  --sp-16: 3.5rem;
  --sp-24: 5.5rem;

  /* Radii */
  --radius-sm: 0.125rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.375rem;
}

::selection {
  background: var(--primary);
  color: var(--on-primary);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--surface);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- NAV ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface-container-low);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 4rem;
}

.nav-brand-group {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.nav-brand {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.nav-tagline {
  font-size: 0.7rem;
  color: var(--on-surface-variant);
  letter-spacing: 0.01em;
}

.nav-signout {
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-decoration: none;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  transition: color 0.15s, border-color 0.15s;
}
.nav-signout:hover {
  color: var(--on-surface);
  border-color: var(--outline);
}

/* ---- CONTAINER ---- */
.container {
  max-width: 100%;
  margin: 0 auto;
  padding: var(--sp-4) 2.5rem var(--sp-12);
}

/* ---- PAGE HEADING — left-weighted, no centering ---- */
h1.page-title {
  font-family: 'Plus Jakarta Sans', 'Manrope', sans-serif;
  font-weight: 800;
  font-size: 2.5rem;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-2);
  color: var(--on-surface);
}

.page-subtitle {
  color: var(--on-surface-variant);
  font-size: 1rem;
  margin-bottom: var(--sp-12);
}

/* ---- EMPTY STATE ---- */
.empty-state {
  padding: 5rem 2rem;
  color: var(--on-surface-variant);
}
.empty-state code {
  background: var(--surface-container-highest);
  padding: 0.2em 0.6em;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--primary);
}

/* ============================================================
   INDEX LAYOUT — Filter sidebar + main content
   ============================================================ */
.index-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--sp-6);
  align-items: start;
}

@media (max-width: 900px) {
  .index-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.index-main {
  min-width: 0;
}

/* ---- Filter Sidebar ---- */
.filter-sidebar {
  position: sticky;
  top: 5rem;
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  padding: var(--sp-4) var(--sp-4);
  max-height: calc(100vh - 6rem);
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  overflow-y: auto;
}

.filter-sidebar::-webkit-scrollbar {
  display: none;
}

.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--sp-3);
}

.filter-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--on-surface);
}

.filter-clear {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.15s;
}

.filter-clear:hover {
  opacity: 0.7;
}

.filter-group {
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--outline-variant);
}

.filter-group:last-of-type {
  border-bottom: none;
  margin-bottom: var(--sp-1);
  padding-bottom: 0;
}

.filter-group-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.6rem;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.15rem;
  margin-bottom: var(--sp-3);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  line-height: 1.3;
  padding: 0.2rem 0;
  transition: color 0.15s;
}

.filter-checkbox:hover {
  color: var(--on-surface);
}

.filter-checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--outline);
  border-radius: 2px;
  background: var(--surface-container);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

.filter-checkbox input[type="checkbox"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.filter-checkbox input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 0px;
  width: 4px;
  height: 7px;
  border: solid var(--on-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.filter-radio {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.65rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  padding: 0.1rem 0;
}

.filter-radio:hover {
  color: var(--on-surface);
}

.filter-radio input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--outline);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}

.filter-radio input[type="radio"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.filter-radio input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--on-primary);
}

/* Date range inputs */
.filter-range {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.filter-year-input {
  width: 72px;
  background: var(--surface-container);
  color: var(--on-surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  outline: none;
  transition: border-color 0.15s;
}

.filter-year-input::placeholder {
  color: var(--outline);
}

.filter-year-input:focus {
  border-color: var(--primary);
}

/* Hide number spinner arrows */
.filter-year-input::-webkit-inner-spin-button,
.filter-year-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.filter-year-input {
  -moz-appearance: textfield;
}

.filter-range-sep {
  color: var(--outline);
  font-size: 0.85rem;
}

.filter-count {
  font-size: 0.6rem;
  color: var(--outline);
  margin-top: var(--sp-2);
}

/* ============================================================
   SORT BAR
   ============================================================ */
.sort-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}

.sort-keys {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.search-input {
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  font-family: 'Inter', sans-serif;
  background: var(--surface-container);
  border: 1px solid var(--outline);
  border-radius: 6px;
  color: var(--on-surface);
  width: 260px;
  outline: none;
  transition: border-color 0.15s;
}

.search-input::placeholder {
  color: var(--on-surface-variant);
}

.search-input:focus {
  border-color: var(--primary);
}

.search-title-only {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}

.search-title-only input[type="checkbox"] {
  accent-color: var(--primary);
  cursor: pointer;
}

.sort-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 0.25rem;
}

.sort-btn {
  background: var(--surface-container-high);
  color: var(--on-surface-variant);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.35rem 0.75rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.sort-btn:hover {
  background: var(--surface-container-highest);
  color: var(--on-surface);
}

.sort-btn.active {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

.sort-btn.active.reversed {
  background: var(--tertiary);
  color: #fff;
  border-color: var(--tertiary);
  font-weight: 600;
}

.sort-btn.active::after {
  content: ' \25BE';
}

.sort-btn.active.reversed::after {
  content: ' \25B4';
}

/* ============================================================
   INDEX PAGE — Card Grid
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-4) var(--sp-6);
}
@media (max-width: 1800px) {
  .card-grid { grid-template-columns: repeat(5, 1fr); }
}
@media (max-width: 1400px) {
  .card-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1100px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: background 0.2s, transform 0.15s;
  position: relative;
}

.fav-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 2;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s, transform 0.15s;
}

.fav-btn svg {
  fill: rgba(255, 255, 255, 0.4);
  transition: fill 0.15s;
}

.fav-btn:hover {
  background: rgba(0, 0, 0, 0.7);
  transform: scale(1.1);
}

.fav-btn:hover svg {
  fill: rgba(255, 255, 255, 0.7);
}

.fav-btn.active svg {
  fill: #ff4d6a;
}

.fav-btn.active:hover svg {
  fill: #ff6b82;
}
.card:hover {
  background: var(--surface-container);
  transform: translateY(-1px);
}

/* Cover illustration */
.card-cover {
  height: 140px;
  overflow: hidden;
  background: var(--surface-container);
  flex-shrink: 0;
}
.card-cover svg,
.card-cover img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transform: scale(1.05);
}

/* Card body — flexible middle section */
.card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--sp-3) var(--sp-4);
  min-height: 0;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-bottom: var(--sp-2);
}

.card-dates {
  display: flex;
  gap: 0.5rem;
  margin-bottom: var(--sp-2);
}

.card-date {
  font-size: 0.65rem;
  color: var(--outline);
}

.card-date + .card-date::before {
  content: '\00b7';
  margin-right: 0.5rem;
}

.card-category {
  background: var(--surface-container-high);
  color: var(--primary);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card-timeframe {
  font-size: 0.65rem;
  color: var(--on-surface-variant);
}

.card-title {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-2);
  line-height: 1.3;
  color: var(--on-surface);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Strategy type badges */
.card-strategy-types {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin-bottom: var(--sp-2);
}

.strategy-type-badge {
  background: rgba(63, 255, 139, 0.08);
  color: var(--primary);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid rgba(63, 255, 139, 0.15);
}

/* Source type tag */
.tag-source {
  background: var(--secondary-container);
  color: var(--secondary);
  font-weight: 600;
}

/* Overview fills remaining vertical space */
.card-overview {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.55;
}

/* Card footer — pinned to bottom */
.card-footer {
  flex-shrink: 0;
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--outline-variant);
  background: var(--surface-container);
}

.card-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
}

.card-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-value {
  font-family: 'Manrope', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

.metric-label {
  font-size: 0.5rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.1rem;
}

.card-footer .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: var(--sp-2);
}

.card-tags, .tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.tag {
  background: var(--surface-container-highest);
  color: var(--on-surface-variant);
  padding: 0.15em 0.5em;
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: 500;
}

/* ---- Hamburger button (hidden on desktop) ---- */
.filter-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 18px;
  height: 14px;
  position: relative;
  flex-shrink: 0;
}

.filter-hamburger span {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.2s;
}

.filter-hamburger span:nth-child(1) { top: 0; }
.filter-hamburger span:nth-child(2) { top: 6px; }
.filter-hamburger span:nth-child(3) { top: 12px; }

/* Animate to X when open */
.filter-sidebar.open .filter-hamburger span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.filter-sidebar.open .filter-hamburger span:nth-child(2) {
  opacity: 0;
}
.filter-sidebar.open .filter-hamburger span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Filter body wrapper — always visible on desktop */
.filter-body {
  display: block;
}

/* ---- Responsive: mobile filter sidebar ---- */
@media (max-width: 900px) {
  .filter-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 0;
    padding: var(--sp-2) var(--sp-4);
  }

  .filter-header {
    margin-bottom: 0;
  }

  .filter-hamburger {
    display: block;
  }

  .filter-body {
    display: none;
    margin-top: var(--sp-3);
  }

  .filter-sidebar.open .filter-body {
    display: block;
  }

  .filter-clear {
    margin-left: auto;
  }

  .sort-bar {
    margin-top: var(--sp-3);
  }
}
@media (max-width: 640px) {
  .container {
    padding: var(--sp-4) var(--sp-3);
  }
  .sort-bar {
    flex-wrap: wrap;
  }
  .search-input {
    width: 100%;
  }
  .card-cover {
    height: 120px;
  }
}

/* ============================================================
   DETAIL PAGE — Two-column strategy layout
   ============================================================ */

/* Back link */
.back-link {
  margin-bottom: var(--sp-6);
}
.back-link a {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.15s;
}
.back-link a:hover {
  color: var(--primary);
}

/* Hero header — full width above the grid */
.detail-header {
  margin-bottom: var(--sp-12);
}

.hero-badge {
  display: inline-block;
  background: var(--surface-container-high);
  color: var(--primary);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}

.hero-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: var(--sp-3);
  color: var(--on-surface);
}

.hero-overview {
  color: var(--on-surface-variant);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 56rem;
}

/* ---- 12-column grid ---- */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-8);
}
@media (min-width: 1024px) {
  .detail-grid {
    grid-template-columns: 8fr 4fr;
  }
}

.detail-main {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

/* Split row — two side-by-side sections */
.detail-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
}
@media (max-width: 700px) {
  .detail-split {
    grid-template-columns: 1fr;
  }
}

/* ---- Main sections ---- */
.detail-section {
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  padding: var(--sp-8) var(--sp-8) var(--sp-6);
}

/* Section with header strip (like the demo's table header) */
.section-header {
  background: var(--surface-container-high);
  margin: calc(var(--sp-8) * -1) calc(var(--sp-8) * -1) var(--sp-6);
  padding: 0.9rem var(--sp-8);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.section-header h2 {
  margin-bottom: 0;
}

.section-table-wrap {
  margin: 0 calc(var(--sp-8) * -1) calc(var(--sp-6) * -1);
  overflow-x: auto;
}

.detail-section h2 {
  font-family: 'Manrope', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--sp-6);
  color: var(--on-surface);
}

.detail-section h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin: var(--sp-6) 0 var(--sp-3);
  color: var(--on-surface);
}

.detail-section p {
  margin-bottom: var(--sp-4);
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.7;
}

.detail-section ul {
  margin-left: 1.25rem;
  margin-bottom: var(--sp-4);
}

.detail-section li {
  margin-bottom: 0.4rem;
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  line-height: 1.6;
}

.detail-section li::marker {
  color: var(--primary);
}

.detail-section a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.detail-section a:hover {
  text-decoration: underline;
}

/* Hero metrics (single-variant fallback) */
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}

.hero-metric {
  display: flex;
  flex-direction: column;
}

.hero-metric-value {
  font-family: 'Manrope', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.hero-metric-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

/* ---- Metrics variant table ---- */
.metrics-table {
  width: 100%;
  border-collapse: collapse;
}

.metrics-table th {
  text-align: left;
  padding: 0.9rem 1.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
}

.metrics-table td {
  padding: 0.85rem 1.5rem;
  font-size: 0.95rem;
}

.metrics-table tbody tr {
  transition: background 0.15s;
}
.metrics-table tbody tr:hover {
  background: var(--surface-container);
}

/* Alternating row tones — no divider lines */
.metrics-table tbody tr:nth-child(even) {
  background: var(--surface-container-lowest);
}
.metrics-table tbody tr:nth-child(even):hover {
  background: var(--surface-container);
}

.metrics-table td:not(.variant-label) {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
}

.metrics-table .variant-label {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
}

/* ---- Equity curve chart ---- */
.equity-chart-wrap {
  padding: var(--sp-4) 0;
}

.equity-svg {
  width: 100%;
  height: auto;
  display: block;
}

.equity-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  margin-top: var(--sp-3);
}

.equity-legend-item {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  padding-left: 1rem;
  position: relative;
}

.equity-legend-item:nth-child(1)::before { background: var(--primary); }
.equity-legend-item:nth-child(2)::before { background: var(--secondary); }
.equity-legend-item:nth-child(3)::before { background: var(--tertiary); }
.equity-legend-item:nth-child(4)::before { background: #8b9fad; }
.equity-legend-item:nth-child(5)::before { background: #b89fff; }

.equity-legend-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 3px;
  border-radius: 1px;
}

.chart-disclaimer {
  font-size: 0.7rem;
  color: var(--outline);
  font-style: italic;
  margin-top: var(--sp-3);
}

/* ---- Rules ---- */
.rules-text {
  background: var(--surface-container);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--on-surface-variant);
}

.step-by-step {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.8rem;
}

/* ---- Code Implementation Tabs ---- */
.code-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--outline);
  margin-bottom: 0;
}

.code-tab {
  padding: 0.5rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  font-family: inherit;
}

.code-tab:hover {
  color: var(--on-surface);
}

.code-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.lang-icon {
  vertical-align: -2px;
  margin-left: 6px;
  flex-shrink: 0;
}

.code-block {
  margin-top: 0;
}

.code-block.hidden {
  display: none;
}

.code-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  margin-bottom: var(--sp-2);
}

.code-pre-wrap {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  color: #8891a5;
  padding: 5px 6px;
  cursor: pointer;
  line-height: 1;
  transition: color 0.15s, background 0.15s;
  z-index: 1;
}

.copy-btn:hover {
  background: rgba(255,255,255,0.15);
  color: #cdd6f4;
}

.copy-btn.copied {
  color: #a6e3a1;
}

.code-block pre {
  background: #1e1e2e;
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 0;
}

.code-block code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  color: #cdd6f4;
  white-space: pre;
}

/* Syntax highlighting via simple class hints */
.code-block code .comment { color: #6c7086; font-style: italic; }

/* ---- Metric notes ---- */
.metric-note {
  background: var(--surface-container);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: var(--sp-3);
  font-size: 0.8rem;
  color: var(--on-surface-variant);
  word-break: break-word;
}

.metric-note strong {
  font-family: 'Manrope', sans-serif;
  color: var(--primary);
  font-weight: 700;
  margin-right: 0.4rem;
}

.metric-note-source {
  display: block;
  font-size: 0.75rem;
  color: var(--outline);
  margin-top: 0.2rem;
}

.metric-note-detail {
  display: block;
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  margin-top: 0.2rem;
  line-height: 1.5;
}

/* ============================================================
   SIDEBAR CARDS
   ============================================================ */
.sidebar-card {
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  padding: var(--sp-8);
}

.sidebar-card-accent {
  border-left: 4px solid var(--primary);
}

.sidebar-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: var(--sp-6);
  color: var(--on-surface);
}

.sidebar-title-warning {
  color: var(--error);
}

/* Config key-value list */
.config-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.config-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--sp-4);
}

/* Ghost border between rows — 15% opacity outline-variant */
.config-row + .config-row {
  border-top: none;
}
.config-list .config-row:not(:last-child) {
  border-bottom: 1px solid rgba(70, 72, 74, 0.15);
}

.config-label {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

.config-value {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--on-surface);
}

/* Sidebar lists */
.sidebar-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.sidebar-list li {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  line-height: 1.55;
  padding-left: 1rem;
  position: relative;
}

.sidebar-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

.sidebar-text {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  margin-bottom: var(--sp-3);
}

.sidebar-link {
  display: inline-block;
  margin-top: var(--sp-2);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
}
.sidebar-link:hover {
  opacity: 0.8;
}

.original-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--on-surface) !important;
  margin-bottom: var(--sp-2);
}

/* ============================================================
   AUTH PAGES
   ============================================================ */
.auth-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  position: relative;
  overflow: hidden;
}

.auth-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 1.5rem;
}

.auth-card {
  background: var(--surface-container-low);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
}

.auth-brand {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.auth-title {
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  color: var(--on-surface);
}

.auth-subtitle {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.auth-subtitle strong {
  color: var(--on-surface);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-input {
  background: var(--surface-container-highest);
  color: var(--on-surface);
  border: 1px solid rgba(70, 72, 74, 0.15);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.auth-input::placeholder {
  color: var(--outline);
}

.auth-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(63, 255, 139, 0.15);
}

.auth-input-code {
  font-family: 'Manrope', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.5em;
  text-align: center;
  padding: 0.75rem;
}

.auth-btn {
  background: linear-gradient(135deg, var(--primary-fixed) 0%, var(--primary-container) 100%);
  color: var(--on-primary-fixed);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  font-family: 'Manrope', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  box-shadow: 0 12px 40px rgba(63, 255, 139, 0.12);
}

.auth-btn:hover {
  opacity: 0.92;
}

.auth-btn:active {
  transform: scale(0.98);
}

.auth-error {
  background: rgba(255, 113, 108, 0.1);
  color: var(--error);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.auth-footer {
  margin-top: 1.75rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--outline);
}

.auth-back-link {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s;
}

.auth-back-link:hover {
  color: var(--primary);
}

/* Ambient glow — emerald */
.auth-ambient {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(63, 255, 139, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .hero-title {
    font-size: 1.5rem;
  }
  .hero-metrics {
    gap: 1.5rem;
  }
  .hero-metric-value {
    font-size: 1.4rem;
  }
  .rules-grid {
    grid-template-columns: 1fr;
  }
  .card-metrics {
    flex-wrap: wrap;
    gap: 1rem;
  }
  h1.page-title {
    font-size: 1.75rem;
  }
  .metrics-table th,
  .metrics-table td {
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
  }
}