/* WikiClaw Brand CSS — shared across all pages */

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

:root {
  /* Palette */
  --navy:    #0B1220;
  --ink:     #1B1F23;
  --paper:   #F7F7F5;
  --white:   #FFFFFF;
  --slate:   #6B7280;
  --silver:  #D9DDE3;
  --blue:    #3366CC;
  --blue-dark: #2554a8;
  --green:   #22c55e;
  --red:     #ef4444;

  /* Spacing rhythm */
  --sp-1: 8px;  --sp-2: 16px; --sp-3: 24px; --sp-4: 32px;
  --sp-6: 48px; --sp-8: 64px; --sp-12: 96px;

  /* Typography */
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;

  /* Borders */
  --border-color: var(--silver);
  --border: 1px solid var(--silver);

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

html { font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--ink);
  line-height: 1.2;
}

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

img { max-width: 100%; display: block; }

/* ===================== NAV ===================== */
.wc-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0 var(--sp-4);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.wc-nav-left {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.wc-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  text-decoration: none;
  flex-shrink: 0;
}
.wc-logo:hover { text-decoration: none; }

.wc-logo img {
  height: 36px;
  width: auto;
}

.wc-logo-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.wc-nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  list-style: none;
}

.wc-nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  transition: color 0.15s;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.wc-nav-links a:hover {
  color: var(--white);
  text-decoration: none;
}

.wc-nav-links a.active {
  color: var(--white);
  border-bottom-color: var(--silver);
}

/* Submit Agent CTA in nav */
.wc-nav-links a.nav-submit {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.3);
  border-bottom: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-sm);
  color: var(--white) !important;
  padding: 5px 12px !important;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s;
}
.wc-nav-links a.nav-submit:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

.wc-nav-search {
  flex: 0 0 240px;
}

.wc-nav-search input {
  width: 100%;
  padding: 6px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s;
}

.wc-nav-search input::placeholder { color: rgba(255,255,255,0.45); }
.wc-nav-search input:focus { border-color: rgba(255,255,255,0.5); }

/* ===================== PAGE LAYOUT ===================== */
.page-main {
  min-height: 100vh;
  padding-top: 60px; /* nav height */
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

.container-narrow {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
}

/* ===================== HERO / PAGE HEADER ===================== */
.wc-hero {
  background: var(--navy);
  color: var(--white);
  padding: var(--sp-12) var(--sp-4) var(--sp-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.wc-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}

.wc-hero-content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

.wc-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: var(--sp-3);
}

.wc-hero-sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: var(--sp-6);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.wc-tagline {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--silver);
  margin-bottom: var(--sp-4);
  letter-spacing: 0.01em;
}

/* ===================== SEARCH BAR ===================== */
.wc-search-bar {
  display: flex;
  gap: var(--sp-1);
  max-width: 600px;
  margin: 0 auto var(--sp-4);
  background: var(--white);
  border: 2px solid var(--silver);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color 0.2s;
}

.wc-search-bar:focus-within {
  border-color: var(--blue);
}

.wc-search-bar input {
  flex: 1;
  padding: 10px 14px;
  background: transparent;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--ink);
  outline: none;
}

.wc-search-bar input::placeholder { color: var(--slate); }

.wc-search-bar button {
  padding: 10px 20px;
  background: var(--blue);
  color: var(--white);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.wc-search-bar button:hover { background: var(--blue-dark); }

/* ===================== BUTTONS ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--navy);
  color: var(--white);
  border: 2px solid var(--navy);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--white); text-decoration: none; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--silver);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); text-decoration: none; }

/* ===================== SECTION ===================== */
.wc-section {
  padding: var(--sp-8) 0;
  border-bottom: var(--border);
}

.wc-section:last-child { border-bottom: none; }

.wc-section-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--slate);
  margin-bottom: var(--sp-2);
}

.wc-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  margin-bottom: var(--sp-2);
}

.wc-section-desc {
  color: var(--slate);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: var(--sp-4);
}

/* ===================== CARDS ===================== */
.wc-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.wc-card:hover {
  border-color: var(--slate);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ===================== STATS ROW ===================== */
.wc-stats {
  display: flex;
  gap: var(--sp-6);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--sp-4);
}

.wc-stat {
  text-align: center;
}

.wc-stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  display: block;
}

.wc-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

/* ===================== LEADERBOARD TABLE ===================== */
.wc-lb {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.wc-lb-header {
  display: grid;
  grid-template-columns: 64px 1fr 120px 130px 110px 90px;
  padding: 10px var(--sp-3);
  background: var(--paper);
  border-bottom: var(--border);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--slate);
}

.wc-lb-row {
  display: grid;
  grid-template-columns: 64px 1fr 120px 130px 110px 90px;
  padding: 12px var(--sp-3);
  align-items: center;
  border-bottom: 1px solid var(--paper);
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}

.wc-lb-row:last-child { border-bottom: none; }
.wc-lb-row:hover { background: var(--paper); }

.wc-lb-rank {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--slate);
}
.rank-1 { color: #B8860B; }
.rank-2 { color: #808080; }
.rank-3 { color: #9C6B2E; }

.wc-lb-agent-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
}
.wc-lb-row:hover .wc-lb-agent-name { color: var(--blue); }

.wc-lb-agent-type {
  font-size: 0.72rem;
  color: var(--slate);
  margin-top: 2px;
}

.wc-lb-score {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--ink);
}

.wc-lb-metric {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink);
}

.wc-lb-metric-green { color: #16a34a; }

.wc-lb-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  color: #16a34a;
  font-weight: 600;
}

/* ===================== AGENT CARDS GRID ===================== */
.wc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

.wc-agent-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  position: relative;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.wc-agent-card:hover {
  border-color: var(--slate);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--ink);
}

.wc-score-badge {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink);
  font-family: var(--font-sans);
}

.wc-agent-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  padding-right: 52px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.wc-verified-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px; height: 16px;
  background: #16a34a;
  border-radius: 50%;
  color: white;
  font-size: 9px;
  flex-shrink: 0;
}

.wc-oss-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  background: var(--paper);
  border: var(--border);
  border-radius: 3px;
  color: var(--slate);
}

.wc-agent-tagline {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.wc-agent-category {
  font-size: 0.75rem;
  color: var(--slate);
  display: flex;
  align-items: center;
  gap: 4px;
}

.wc-success-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.wc-bar-track {
  flex: 1;
  height: 4px;
  background: var(--silver);
  border-radius: 2px;
  overflow: hidden;
}

.wc-bar-fill {
  height: 100%;
  background: #16a34a;
  border-radius: 2px;
  transition: width 0.5s ease;
}

.wc-bar-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: #16a34a;
  min-width: 3rem;
  text-align: right;
}

.wc-agent-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.wc-agent-meta-item {
  font-size: 0.75rem;
  color: var(--slate);
  display: flex;
  gap: 4px;
}

.wc-agent-meta-item .val {
  font-weight: 600;
  color: var(--ink);
}

/* ===================== SKELETON ===================== */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--silver) 25%, var(--paper) 50%, var(--silver) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s ease infinite;
  border-radius: 4px;
}

/* ===================== BADGES ===================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  letter-spacing: 0.2px;
  border: var(--border);
}

.badge-category {
  background: rgba(51, 102, 204, 0.08);
  border-color: rgba(51, 102, 204, 0.25);
  color: var(--blue);
}
.badge-type {
  background: var(--paper);
  color: var(--slate);
}
.badge-verified {
  background: rgba(22, 163, 74, 0.08);
  border-color: rgba(22, 163, 74, 0.3);
  color: #16a34a;
}
.badge-open-source {
  background: rgba(51, 102, 204, 0.06);
  border-color: rgba(51, 102, 204, 0.2);
  color: var(--blue);
}

/* ===================== FORM ELEMENTS ===================== */
.wc-input {
  width: 100%;
  padding: 9px 13px;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.wc-input::placeholder { color: var(--slate); }
.wc-input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(51,102,204,0.12); }

.wc-select {
  appearance: none;
  padding: 8px 32px 8px 12px;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ink);
  cursor: pointer;
  outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.2s;
}
.wc-select:focus { border-color: var(--blue); }

/* ===================== PAGE HEADER (inner pages) ===================== */
.wc-page-header {
  background: var(--navy);
  color: var(--white);
  padding: var(--sp-8) var(--sp-4) var(--sp-6);
}

.wc-page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--white);
  margin-bottom: var(--sp-1);
}

.wc-page-header p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.7);
  max-width: 600px;
  line-height: 1.6;
}

/* ===================== DIVIDERS ===================== */
.wc-divider {
  border: none;
  border-top: var(--border);
  margin: var(--sp-6) 0;
}

/* ===================== FOOTER ===================== */
.wc-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.5);
  padding: var(--sp-4);
  text-align: center;
  font-size: 0.82rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.wc-footer a {
  color: rgba(255,255,255,0.65);
}

.wc-footer a:hover {
  color: var(--white);
  text-decoration: none;
}

/* ===================== PILLS / FILTER ===================== */
.wc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  scrollbar-width: none;
  overflow-x: auto;
}
.wc-pills::-webkit-scrollbar { display: none; }

.wc-pill {
  flex-shrink: 0;
  padding: 5px 14px;
  background: var(--white);
  border: var(--border);
  border-radius: 100px;
  color: var(--slate);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  user-select: none;
}

.wc-pill:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.wc-pill.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.wc-pill .cnt {
  margin-left: 4px;
  opacity: 0.6;
  font-size: 0.7rem;
}

/* ===================== METRIC CARDS ===================== */
.wc-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
}

.wc-metric-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  text-align: center;
}

.wc-metric-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--slate);
  margin-bottom: 10px;
}

.wc-metric-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
}

.wc-metric-value.blue { color: var(--blue); }
.wc-metric-value.green { color: #16a34a; }

/* ===================== WIKI CONTENT SECTIONS ===================== */
.wiki-section {
  margin-bottom: var(--sp-4);
}

.wiki-section-heading {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--silver);
  display: flex;
  align-items: center;
  gap: 8px;
}

.wiki-description {
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.8;
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
}

/* ===================== PROOF CARD ===================== */
.proof-card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  font-size: 0.85rem;
}

.proof-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: var(--border);
}

.proof-card-title { font-weight: 700; color: var(--ink); }

.proof-card-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  background: rgba(22, 163, 74, 0.1);
  border: 1px solid rgba(22, 163, 74, 0.3);
  border-radius: 3px;
  color: #16a34a;
  font-weight: 700;
}

.proof-line {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid var(--paper);
}
.proof-line:last-child { border-bottom: none; }
.proof-line-label { color: var(--slate); }
.proof-line-value { font-weight: 600; color: var(--ink); }

/* ===================== EMPTY / LOADING STATES ===================== */
.wc-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-8) var(--sp-4);
  gap: var(--sp-2);
  color: var(--slate);
}

.wc-spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--silver);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

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

.wc-empty {
  text-align: center;
  padding: var(--sp-8) var(--sp-4);
  color: var(--slate);
}

.wc-empty h3 { font-family: var(--font-serif); margin-bottom: 8px; color: var(--ink); }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .wc-grid { grid-template-columns: repeat(2, 1fr); }
  .wc-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .wc-nav { padding: 0 var(--sp-2); }
  .wc-nav-links { gap: var(--sp-2); }
  .wc-nav-links a { font-size: 0.8rem; }
  .wc-nav-search { display: none; }
  .container { padding: 0 var(--sp-2); }

  .wc-hero { padding: var(--sp-8) var(--sp-2) var(--sp-6); }
  .wc-hero h1 { font-size: clamp(1.8rem, 8vw, 2.5rem); }

  .wc-grid { grid-template-columns: 1fr; }

  .wc-lb-header,
  .wc-lb-row { grid-template-columns: 50px 1fr 90px 90px; }
  .wc-lb-header > *:nth-child(5),
  .wc-lb-row > *:nth-child(5),
  .wc-lb-header > *:nth-child(6),
  .wc-lb-row > *:nth-child(6) { display: none; }

  .wc-page-header { padding: var(--sp-6) var(--sp-2) var(--sp-4); }
  .wc-metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .wc-nav-links { gap: var(--sp-1); }
  .wc-lb-header,
  .wc-lb-row { grid-template-columns: 42px 1fr 80px; }
  .wc-lb-header > *:nth-child(4),
  .wc-lb-row > *:nth-child(4),
  .wc-lb-header > *:nth-child(5),
  .wc-lb-row > *:nth-child(5),
  .wc-lb-header > *:nth-child(6),
  .wc-lb-row > *:nth-child(6) { display: none; }
  .wc-metrics-grid { grid-template-columns: 1fr 1fr; }
}