:root {
  color-scheme: dark;
  --bg: #11100d;
  --panel: #1c1814;
  --panel-2: #252017;
  --text: #f7ead4;
  --muted: #b8a78d;
  --line: #3a3023;
  --accent: #f1a23a;
  --accent-2: #ffd28a;
  --danger: #ff8173;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #3d2816 0, transparent 34rem), var(--bg);
  color: var(--text);
  font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 34px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; line-height: 1.05; }
h1 { max-width: 800px; font-size: clamp(2.4rem, 7vw, 5.8rem); letter-spacing: -0.07em; }
h2 { font-size: 2rem; }

.panel {
  margin-top: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(37,32,23,0.95), rgba(28,24,20,0.9));
  box-shadow: 0 24px 80px rgba(0,0,0,0.28);
}

.grid {
  display: grid;
  gap: 16px;
  margin-bottom: 16px;
}

.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.four { grid-template-columns: 1fr 1.2fr 1fr; }
.token-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.align-end { align-items: end; }

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0;
}

.check-row input { width: auto; }

input, select, textarea, button, .download {
  border: 1px solid var(--line);
  border-radius: 14px;
  font: inherit;
}

input, select, textarea {
  width: 100%;
  background: #120f0c;
  color: var(--text);
  padding: 12px 13px;
  outline: none;
}

input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(241,162,58,0.14); }

textarea {
  min-height: 360px;
  resize: vertical;
}

button, .download {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 51px;
  padding: 0 18px;
  background: var(--accent);
  color: #201406;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

button.secondary {
  min-height: 42px;
  background: transparent;
  color: var(--accent-2);
}

button.secondary:hover { border-color: var(--accent); }

button:disabled { opacity: 0.55; cursor: wait; }
.hidden { display: none !important; }

.controls-box {
  margin: 4px 0 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(18, 15, 12, 0.48);
}

.controls-box summary {
  color: var(--accent-2);
  cursor: pointer;
  font-weight: 900;
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.control-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
}

.status-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.meter {
  height: 13px;
  margin: 20px 0 10px;
  overflow: hidden;
  border-radius: 99px;
  background: #120f0c;
  border: 1px solid var(--line);
}

#bar {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 180ms ease;
}

#progress, .current { color: var(--muted); }
.current { overflow-wrap: anywhere; }
.error { color: var(--danger); font-weight: 800; }

.footer {
  max-width: 780px;
  margin: 18px auto 0;
  color: var(--muted);
  text-align: center;
  font-size: 0.92rem;
}

.footer strong { color: var(--accent-2); }

@media (max-width: 820px) {
  .shell { width: min(100% - 20px, 1180px); padding: 28px 0; }
  .two, .four, .token-grid { grid-template-columns: 1fr; }
  .panel { padding: 16px; border-radius: 18px; }
  .status-topline { align-items: stretch; flex-direction: column; }
  textarea { min-height: 300px; }
}