:root {
  --bg: #0a0a0b;
  --bg-elev: #111114;
  --bg-soft: #16161a;
  --border: #232328;
  --border-soft: #1c1c20;
  --text: #f4f4f5;
  --text-dim: #9b9ba3;
  --text-mute: #5e5e66;
  --accent: #ff3d6b;
  --accent-soft: rgba(255, 61, 107, 0.12);
  --green: #3ddc97;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--border); }
a:hover { border-bottom-color: var(--accent); color: var(--accent); }

header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: -0.01em;
}
.brand img { display: block; }
nav { display: flex; gap: 22px; font-family: var(--mono); font-size: 13px; }
nav a { border-bottom: none; color: var(--text-dim); }
nav a:hover { color: var(--text); }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 28px 96px;
}

/* ---------- Hero ---------- */

.hero { text-align: left; max-width: 760px; margin-bottom: 56px; }
.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 18px;
  font-weight: 600;
}
.accent { color: var(--accent); }
.lede {
  font-size: 17px;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0;
}
.lede a { border-bottom-color: var(--text-mute); }

.stats {
  display: flex;
  gap: 36px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat .label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}
.stat .value {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 500;
}

/* ---------- Canvas ---------- */

.canvas-section {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
  margin: 0 0 80px;
}
@media (max-width: 860px) {
  .canvas-section { grid-template-columns: 1fr; }
}

.canvas-frame {
  position: relative;
  background:
    linear-gradient(var(--bg-elev), var(--bg-elev)) padding-box,
    linear-gradient(135deg, #2a2a30, #14141a) border-box;
  border: 1px solid transparent;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: grab;
  touch-action: none;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,0.6);
}
.canvas-frame.over-painted { cursor: crosshair; }
.canvas-frame.panning { cursor: grabbing; }

#canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background:
    repeating-conic-gradient(#1a1a1f 0 25%, #16161a 0 50%) 0 0/24px 24px;
}

.canvas-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
  font-family: var(--mono);
  font-size: 11px;
}
.coord, .zoom {
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--border-soft);
  padding: 5px 8px;
  border-radius: 6px;
  color: var(--text-dim);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.canvas-help {
  position: absolute;
  bottom: 12px;
  left: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-mute);
  background: rgba(0,0,0,0.4);
  padding: 4px 8px;
  border-radius: 6px;
  pointer-events: none;
  letter-spacing: 0.02em;
}

.tooltip {
  position: absolute;
  z-index: 60;
  pointer-events: none;
  background: rgba(10, 10, 11, 0.92);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text);
  box-shadow: 0 16px 32px -16px rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 280px;
  transform: translate(-50%, calc(-100% - 12px));
  animation: fadeIn 0.15s ease;
}
.tooltip .t-title { font-weight: 500; margin-bottom: 4px; }
.tooltip .t-title.untitled { color: var(--text-mute); font-style: italic; font-weight: 400; }
.tooltip .t-link {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  word-break: break-all;
  margin-bottom: 4px;
}
.tooltip .t-meta {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-mute);
  display: flex;
  gap: 8px;
}
.tooltip .t-hint {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-mute);
}

/* ---------- Sidebar feed ---------- */

.sidebar {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  padding: 18px 18px 8px;
  max-height: 560px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sidebar h3 {
  margin: 0 0 12px;
  font-size: 12px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  font-weight: 500;
}
.feed {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
  font-family: var(--mono);
  font-size: 12px;
}
.feed li {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 10px 6px;
  margin: 0 -6px;
  border-radius: 6px;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
  cursor: pointer;
  transition: background 0.12s ease;
  animation: fadeIn 0.4s ease;
}
.feed li:hover { background: rgba(255,255,255,0.03); }
.feed li:last-child { border-bottom: none; }
.feed .swatch {
  width: 14px;
  height: 14px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.08);
  flex-shrink: 0;
}
.feed .meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.feed .title {
  color: var(--text);
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.feed .title.untitled { color: var(--text-mute); font-style: italic; }
.feed .title a { color: var(--text); border-bottom: 1px solid var(--border); }
.feed .title a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.feed .sub { color: var(--text-mute); font-size: 10.5px; letter-spacing: 0.01em; }
.feed .sub .owner { font-family: var(--mono); }
.feed .ago { color: var(--text-mute); font-size: 11px; align-self: flex-start; padding-top: 1px; }
.feed-empty {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
  padding: 12px 0 4px;
  text-align: center;
}

.feed::-webkit-scrollbar { width: 6px; }
.feed::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Claim detail modal ---------- */

.claim-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.claim-modal[hidden] { display: none; }
.claim-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 4, 6, 0.66);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn 0.15s ease;
}
.claim-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 40px 80px -24px rgba(0, 0, 0, 0.8);
  animation: cardIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.claim-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: all 0.12s ease;
}
.claim-close:hover { color: var(--text); border-color: var(--border); }

.cm-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-right: 36px;
}
.cm-swatch {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}
.cm-title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-word;
}
.cm-title.untitled { color: var(--text-mute); font-style: italic; font-weight: 400; }

.cm-field { margin-bottom: 16px; }
.cm-label {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin-bottom: 5px;
}
.cm-link {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  word-break: break-all;
  border-bottom: 1px solid var(--accent-soft);
}
.cm-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

.cm-owner-row { display: flex; align-items: center; gap: 8px; }
.cm-owner {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  padding: 5px 9px;
  border-radius: 6px;
  word-break: break-all;
}
.cm-copy {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
}
.cm-copy:hover { color: var(--text); border-color: var(--border); }
.cm-copy.copied { color: var(--green); border-color: var(--green); }

.cm-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 4px 0 22px;
  padding: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
}
.cm-stat { display: flex; flex-direction: column; gap: 5px; }
.cm-value {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.cm-actions { display: flex; gap: 10px; }
.cm-btn {
  flex: 1;
  text-align: center;
  padding: 11px 14px;
  border-radius: 9px;
  font-family: var(--mono);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  transition: all 0.13s ease;
}
.cm-btn:hover { border-color: var(--text-mute); background: rgba(255, 255, 255, 0.03); }
.cm-btn-primary {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.cm-btn-primary:hover { background: rgba(255, 61, 107, 0.2); border-color: var(--accent); }

/* ---------- API section ---------- */

.api { margin-top: 64px; }
.api h2 {
  font-size: 32px;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 600;
}
.api h3 {
  font-size: 13px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  margin: 36px 0 14px;
  font-weight: 500;
}

.tabs {
  display: flex;
  gap: 6px;
  margin: 28px 0 0;
}
.tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-soft);
  padding: 7px 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tab:hover { color: var(--text); border-color: var(--border); }
.tab.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.code {
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 20px 22px;
  margin: 8px 0 0;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.65;
  color: var(--text);
}
.code.hidden { display: none; }
.code code { font-family: inherit; color: inherit; white-space: pre; }

.rules {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}
.rules li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
}
.rules li::before {
  content: "→ ";
  color: var(--accent);
  margin-right: 6px;
  font-family: var(--mono);
}
.rules li:last-child { border-bottom: none; }
.rules strong { color: var(--text); font-weight: 500; }

.payment {
  margin: 8px 0 0;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  overflow: hidden;
}
.payment-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.payment-row:last-child { border-bottom: none; }
.payment dt {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  width: 80px;
  flex-shrink: 0;
}
.payment dd {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  word-break: break-all;
}
.payment dd code { color: var(--text); }

table.endpoints {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.endpoints td {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
  color: var(--text-dim);
}
table.endpoints td:first-child {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text);
  width: 240px;
  white-space: nowrap;
}
table.endpoints tr:last-child td { border-bottom: none; }

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
}
.code code, table code { background: none; border: none; padding: 0; }

footer {
  margin-top: 80px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mute);
  text-align: center;
}