:root {
  --bg: #07070a;
  --bg-panel: #0d0d12;
  --bg-elev: #14141b;
  --border: #21212b;
  --border-strong: #2e2e3c;
  --text: #e8e8ee;
  --text-dim: #9b9baa;
  --text-mute: #5f5f70;
  --accent: #b4ff39;
  --accent-dim: #7ac315;
  --warn: #ffb547;
  --err: #ff4d5e;
  --ok: #55e39a;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  --radius: 6px;
  --radius-lg: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

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

body {
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(180, 255, 57, 0.06), transparent 60%),
    radial-gradient(900px 600px at -10% 110%, rgba(180, 255, 57, 0.04), transparent 60%),
    var(--bg);
}

a { color: inherit; }
button { font-family: inherit; }

.mono { font-family: var(--font-mono); font-feature-settings: 'zero' 1, 'ss01' 1; }
.muted { color: var(--text-mute); }

.page {
  max-width: 1160px;
  margin: 0 auto;
  padding: 32px 24px 96px;
}

/* Navbar */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(7, 7, 10, 0.7);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.nav-brand-mark {
  width: 22px; height: 22px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  box-shadow: 0 0 24px rgba(180, 255, 57, 0.35);
}
.nav-links { display: flex; gap: 22px; }
.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.15s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pill[data-state='ok'] { color: var(--ok); border-color: rgba(85, 227, 154, 0.35); }
.pill[data-state='warn'] { color: var(--warn); border-color: rgba(255, 181, 71, 0.4); }

/* Tags */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--bg-panel);
}
.tag.muted { color: var(--text-mute); }
.tag.tag-free { color: var(--accent); border-color: rgba(180, 255, 57, 0.4); background: rgba(180, 255, 57, 0.06); }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero-meta { display: flex; gap: 8px; margin-bottom: 24px; }
.hero-title {
  font-size: clamp(56px, 12vw, 156px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 0;
  font-weight: 800;
  display: flex;
  flex-wrap: wrap;
  gap: 0.15em;
}
.hero-title-b {
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  max-width: 700px;
  margin-top: 24px;
  color: var(--text-dim);
  font-size: 17px;
}
.hero-sub b { color: var(--text); font-weight: 600; }

/* Mint layout */
.mint-panel {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 32px;
  margin-top: 40px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(20, 20, 27, 0.6), rgba(13, 13, 18, 0.4));
}
@media (max-width: 900px) {
  .mint-panel { grid-template-columns: 1fr; padding: 24px; }
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.stat-value { font-size: 22px; font-weight: 600; }

.progress {
  position: relative;
  height: 6px;
  background: var(--bg-elev);
  border-radius: 999px;
  margin-top: 32px;
  overflow: visible;
}
.progress-bar {
  position: absolute; inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  border-radius: 999px;
  transition: width 0.5s var(--ease);
  box-shadow: 0 0 24px rgba(180, 255, 57, 0.5);
}
.progress-ticks { position: absolute; inset: 0; }
.progress-ticks span {
  position: absolute; top: 50%;
  width: 2px; height: 8px;
  background: var(--border-strong);
  transform: translate(-50%, -50%);
  border-radius: 1px;
}

.contract-line {
  margin-top: 22px;
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
}
.contract-line a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px dashed var(--border-strong);
  padding-bottom: 1px;
  transition: border-color 0.15s var(--ease);
}
.contract-line a:hover { border-color: var(--accent); }

/* Mint cards */
.panel-right { display: flex; flex-direction: column; gap: 16px; }
.mint-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}
.mint-card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.mint-card-desc { color: var(--text-dim); font-size: 14px; margin: 4px 0 16px; }

.qty {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  gap: 8px;
  margin-bottom: 12px;
}
.qty-btn {
  height: 40px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 18px;
  transition: background 0.15s var(--ease), border-color 0.15s var(--ease);
}
.qty-btn:hover { background: var(--border); border-color: var(--accent); }
.qty-input {
  height: 40px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  text-align: center;
  border-radius: var(--radius);
  font-size: 16px;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty-total {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: var(--bg-elev);
  border-radius: var(--radius);
  font-size: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: transform 0.1s var(--ease), background 0.15s var(--ease), border-color 0.15s var(--ease);
  text-decoration: none;
}
.btn:hover:not(:disabled) { background: var(--border); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { display: flex; width: 100%; padding: 14px 20px; font-size: 15px; }
.btn-primary {
  background: var(--accent);
  color: #0a0a0d;
  border-color: transparent;
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-dim); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

/* Tx strip */
.tx-strip { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
.tx-msg {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  font-size: 13.5px;
  color: var(--text-dim);
  word-break: break-word;
}
.tx-msg.ok { color: var(--ok); border-color: rgba(85, 227, 154, 0.35); }
.tx-msg.warn { color: var(--warn); border-color: rgba(255, 181, 71, 0.35); }
.tx-msg.err { color: var(--err); border-color: rgba(255, 77, 94, 0.35); }
.tx-msg a { color: inherit; }

/* Checker */
.checker-head {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 40px;
  padding: 64px 0 40px;
  align-items: end;
}
@media (max-width: 900px) { .checker-head { grid-template-columns: 1fr; } }
.checker-title { font-size: clamp(38px, 6vw, 68px); line-height: 1; margin: 12px 0 12px; font-weight: 700; letter-spacing: -0.02em; }
.checker-title .accent { color: var(--accent); }
.checker-form { display: flex; gap: 12px; align-items: end; }
.input-wrap { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.input-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-mute);
  text-transform: uppercase;
}
.input {
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--text);
  font-size: 15px;
}
.input:focus { outline: none; border-color: var(--accent); }

.checker-result { margin-top: 32px; }
.placeholder {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  background: rgba(13, 13, 18, 0.4);
}
.placeholder p { margin: 0; text-align: center; }
.placeholder-brackets {
  position: relative;
  width: 120px; height: 120px;
}
.placeholder-brackets span {
  position: absolute; width: 24px; height: 24px;
  border: 1px solid var(--border-strong);
}
.placeholder-brackets span:nth-child(1) { top: 0; left: 0; border-right: none; border-bottom: none; }
.placeholder-brackets span:nth-child(2) { top: 0; right: 0; border-left: none; border-bottom: none; }
.placeholder-brackets span:nth-child(3) { bottom: 0; left: 0; border-right: none; border-top: none; }
.placeholder-brackets span:nth-child(4) { bottom: 0; right: 0; border-left: none; border-top: none; }
.placeholder.loading { animation: shimmer 1.4s var(--ease) infinite; }
.placeholder.err { border-color: rgba(255, 77, 94, 0.4); color: var(--err); }
@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.result {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 32px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
}
@media (max-width: 900px) { .result { grid-template-columns: 1fr; } }
.result-art {
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: #000;
  border-radius: var(--radius);
  min-height: 380px;
}
.svg-frame { width: 100%; max-width: 380px; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.svg-frame svg { width: 100%; height: 100%; display: block; }

.result-meta { display: flex; flex-direction: column; gap: 20px; }
.result-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.result-name { font-size: 28px; margin: 0; letter-spacing: -0.01em; }
.result-desc { color: var(--text-dim); margin: 0; font-size: 14px; }
.attr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.attr {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.attr-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mute); }
.attr-value { font-size: 14px; color: var(--text); }
.result-owner { display: flex; gap: 12px; align-items: center; padding-top: 12px; border-top: 1px solid var(--border); font-size: 13px; word-break: break-all; }
.result-owner a { text-decoration: none; }
.result-links { display: flex; gap: 8px; flex-wrap: wrap; }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 32px;
  margin-top: 40px;
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-mute);
  font-size: 13px;
  letter-spacing: 0.02em;
}