/* ─── DESIGN TOKENS ─────────────────────────────────────────────────────── */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --sidebar-width: 240px;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ─── LIGHT MODE ─────────────────────────────────────────────────────────── */
:root, [data-theme="light"] {
  --color-bg:          #f7f6f2;
  --color-surface:     #ffffff;
  --color-surface-2:   #f3f0ec;
  --color-border:      #d4d1ca;
  --color-divider:     #e8e5e0;
  --color-text:        #28251d;
  --color-text-muted:  #7a7974;
  --color-text-faint:  #bab9b4;
  --color-primary:     #01696f;
  --color-primary-hover: #0c4e54;
  --color-primary-bg:  #e6f4f4;
  --color-sidebar-bg:  #1c1b19;
  --color-sidebar-text: #cdccca;
  --color-sidebar-muted: #797876;
  --color-sidebar-border: #393836;
  --color-sidebar-hover: #2d2c2a;
  --color-sidebar-active-bg: #313b3b;
  --color-sidebar-active-text: #4f98a3;
  --shadow-sm: 0 1px 3px rgba(40,37,29,0.06);
  --shadow-md: 0 4px 12px rgba(40,37,29,0.08);
  --shadow-lg: 0 12px 32px rgba(40,37,29,0.12);
}

/* ─── DARK MODE ──────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:          #171614;
  --color-surface:     #1c1b19;
  --color-surface-2:   #201f1d;
  --color-border:      #393836;
  --color-divider:     #2d2c2a;
  --color-text:        #cdccca;
  --color-text-muted:  #797876;
  --color-text-faint:  #5a5957;
  --color-primary:     #4f98a3;
  --color-primary-hover: #227f8b;
  --color-primary-bg:  #1a3535;
  --color-sidebar-bg:  #131312;
  --color-sidebar-text: #cdccca;
  --color-sidebar-muted: #5a5957;
  --color-sidebar-border: #2d2c2a;
  --color-sidebar-hover: #201f1d;
  --color-sidebar-active-bg: #1a3535;
  --color-sidebar-active-text: #4f98a3;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.4);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: 1fr;
  transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
img, svg { display: block; }
ul, ol { list-style: none; }
input { font: inherit; color: inherit; border: none; outline: none; background: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ─── SCROLLBAR ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-faint); }

/* ─── SIDEBAR ────────────────────────────────────────────────────────────── */
.sidebar {
  grid-row: 1;
  background: var(--color-sidebar-bg);
  border-right: 1px solid var(--color-sidebar-border);
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: transform var(--transition);
  z-index: 100;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--color-sidebar-border);
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.logo-text {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-sidebar-text);
  letter-spacing: -0.01em;
}

.theme-toggle {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sidebar-muted);
  transition: background var(--transition), color var(--transition);
}
.theme-toggle:hover {
  background: var(--color-sidebar-hover);
  color: var(--color-sidebar-text);
}

.sidebar-search {
  position: relative;
  padding: var(--space-4) var(--space-4) var(--space-3);
  flex-shrink: 0;
}

.search-icon {
  position: absolute;
  left: calc(var(--space-4) + 10px);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-sidebar-muted);
  pointer-events: none;
}

.sidebar-search input {
  width: 100%;
  background: var(--color-sidebar-hover);
  border: 1px solid var(--color-sidebar-border);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-sidebar-text);
  transition: border-color var(--transition);
}
.sidebar-search input::placeholder { color: var(--color-sidebar-muted); }
.sidebar-search input:focus {
  border-color: var(--color-sidebar-active-text);
  outline: none;
}

.sidebar-nav {
  flex: 1;
  padding: 0 var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.nav-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-sidebar-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: var(--space-4) var(--space-2) var(--space-1);
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-sidebar-muted);
  text-align: left;
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
  position: relative;
}

.nav-item:hover {
  background: var(--color-sidebar-hover);
  color: var(--color-sidebar-text);
}

.nav-item.active {
  background: var(--color-sidebar-active-bg);
  color: var(--color-sidebar-active-text);
}

.nav-count {
  margin-left: auto;
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-sidebar-muted);
  background: var(--color-sidebar-hover);
  padding: 0 var(--space-1);
  border-radius: var(--radius-sm);
  min-width: 20px;
  text-align: center;
  line-height: 1.6;
}

.nav-item.active .nav-count {
  background: var(--color-sidebar-active-bg);
  color: var(--color-sidebar-active-text);
}

.sidebar-stats {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-sidebar-border);
  flex-shrink: 0;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
}

.stat-label { color: var(--color-sidebar-muted); }
.stat-value {
  color: var(--color-sidebar-text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.sidebar-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-sidebar-border);
  flex-shrink: 0;
}

.pplx-attr {
  font-size: var(--text-xs);
  color: var(--color-sidebar-muted);
  transition: color var(--transition);
}
.pplx-attr:hover { color: var(--color-sidebar-text); }

/* ─── MAIN ───────────────────────────────────────────────────────────────── */
.main {
  grid-column: 2;
  height: 100dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
}

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.main-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-4) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-shrink: 0;
  transition: background var(--transition);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.page-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 1px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-xs);
  font-weight: 600;
  white-space: nowrap;
}

.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
}
.mobile-menu-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* ─── KPI BAR ─────────────────────────────────────────────────────────────── */
.kpi-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-1);
  padding: var(--space-4) var(--space-8);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
  flex-shrink: 0;
  transition: background var(--transition);
}

.kpi-card {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="dark"] .kpi-card { background: var(--color-surface-2); }

.kpi-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums lining-nums;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.kpi-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
  line-height: 1.3;
}

/* ─── CARDS GRID ─────────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--space-4);
  padding: var(--space-6) var(--space-8);
  align-content: start;
}

/* ─── PROOF CARD ─────────────────────────────────────────────────────────── */
.proof-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  opacity: 0;
  transform: translateY(8px);
  border-top: 3px solid var(--card-accent, var(--color-primary));
  content-visibility: auto;
  contain-intrinsic-size: 0 300px;
}

.proof-card.card-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 280ms ease, transform 280ms ease, box-shadow var(--transition), border-color var(--transition);
}

.proof-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--card-accent, var(--color-primary));
  transform: translateY(-2px);
}

[data-theme="dark"] .proof-card { background: var(--color-surface-2); }

/* Card Header */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5) var(--space-3);
  gap: var(--space-3);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.card-number {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

.card-category {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full, 9999px);
  letter-spacing: 0.01em;
}

.card-stat {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--card-accent, var(--color-primary));
  background: color-mix(in srgb, var(--card-accent, var(--color-primary)) 12%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full, 9999px);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Card Body */
.card-body {
  padding: 0 var(--space-5) var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.card-title {
  font-size: var(--text-base);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.card-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: calc(-1 * var(--space-2));
}

.card-sections {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-surface-2, var(--color-bg));
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
}

[data-theme="light"] .card-sections { background: var(--color-bg); }
[data-theme="dark"] .card-sections { background: var(--color-surface); }

.card-section { display: flex; flex-direction: column; gap: var(--space-1); }

.section-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section-text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.55;
}

.result-text { color: var(--color-text); font-weight: 500; }

.card-quote {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.6;
  border-left: 3px solid var(--card-accent, var(--color-primary));
  padding-left: var(--space-4);
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5) var(--space-4);
  border-top: 1px solid var(--color-divider);
  gap: var(--space-3);
}

.card-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-primary);
  transition: color var(--transition);
}
.card-link:hover { color: var(--color-primary-hover); }

.copy-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.copy-btn:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.copy-btn.copied {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ─── EMPTY STATE ─────────────────────────────────────────────────────────── */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-text-faint);
  padding: var(--space-10);
}

.empty-state p { font-size: var(--text-base); }

/* ─── TOAST ──────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  opacity: 0;
  transition: opacity 240ms ease, transform 240ms ease;
  pointer-events: none;
  z-index: 999;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
}

.toast.toast-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── MOBILE OVERLAY ──────────────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
  opacity: 0;
  transition: opacity var(--transition);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  body { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    z-index: 100;
  }

  .sidebar.sidebar-open { transform: translateX(0); }

  .sidebar-overlay { display: block; }
  .sidebar-overlay.overlay-visible { opacity: 1; }

  .main { grid-column: 1; }
  .mobile-menu-btn { display: flex; }

  .main-header { padding: var(--space-4); }
  .header-right { display: none; }

  .kpi-bar {
    grid-template-columns: repeat(3, 1fr);
    padding: var(--space-4);
  }

  .cards-grid {
    grid-template-columns: 1fr;
    padding: var(--space-4);
  }
}

@media (max-width: 600px) {
  .kpi-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }
}

/* ─── OBJECTIONS NAV ITEM ────────────────────────────────────────────────── */
.nav-item-objections {
  color: rgba(221,105,116,0.7);
}

.nav-item-objections:hover {
  background: rgba(221,105,116,0.08);
  color: #dd6974;
}

.nav-item-objections.active {
  background: rgba(221,105,116,0.12);
  color: #dd6974;
}

.nav-item-objections.active .nav-count,
.nav-item-objections:hover .nav-count {
  background: rgba(221,105,116,0.12);
  color: #dd6974;
}

/* ─── NAV DIVIDER ────────────────────────────────────────────────────────── */
.nav-divider {
  height: 1px;
  background: var(--color-sidebar-border);
  margin: var(--space-2) var(--space-2);
  flex-shrink: 0;
}

/* ─── OBJECTION CARD ELEMENTS ────────────────────────────────────────────── */
.objection-icon {
  color: #dd6974;
  display: flex;
  align-items: center;
  line-height: 1;
}

.objection-title {
  color: var(--color-text);
}

.objection-stat {
  color: #6daa45;
  background: rgba(109,170,69,0.12);
  font-family: var(--font-body);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* Red stat pill variant for header */
.stat-pill-red {
  background: rgba(221,105,116,0.12);
  color: #dd6974;
}

/* ─── EVIDENCE BADGES ────────────────────────────────────────────────────────
   Signals how far a card's claim can be pushed before it breaks.
   Colours are semantic, not decorative: green = safe to cite under scrutiny,
   amber = one operator's own number, red = the seller grading their own
   homework, grey = a documented example making no performance claim at all. */
.evidence-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full, 9999px);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: help;
  white-space: nowrap;
}
.evidence-measured      { color:#3d8f5c; background:#3d8f5c14; border-color:#3d8f5c40; }
.evidence-self-reported { color:#b8873a; background:#b8873a14; border-color:#b8873a40; }
.evidence-vendor        { color:#c25b52; background:#c25b5214; border-color:#c25b5240; }
.evidence-observed      { color:#7b8794; background:#7b879414; border-color:#7b879440; }

[data-theme="dark"] .evidence-measured      { color:#6fc98d; background:#6fc98d1a; border-color:#6fc98d45; }
[data-theme="dark"] .evidence-self-reported { color:#e0ac5e; background:#e0ac5e1a; border-color:#e0ac5e45; }
[data-theme="dark"] .evidence-vendor        { color:#e58379; background:#e583791a; border-color:#e5837945; }
[data-theme="dark"] .evidence-observed      { color:#9aa5b1; background:#9aa5b11a; border-color:#9aa5b145; }