:root {
  --bg-base: #0B0B0D;
  --bg-surface: #141418;
  --bg-surface-2: #1a1a1f;
  --border: #2A2A30;
  --text: #F5F1EA;
  --text-muted: #B8B2A8;
  --text-dim: #8A8580;
  --amber: #C2410C;
  --amber-soft: #E8A87C;
  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-base);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100%;
}

a { color: var(--amber-soft); }

.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.kicker .slash { color: var(--amber); }

h1 {
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.55rem;
  line-height: 1.25;
}

.blurb {
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0 0 1.35rem;
  font-size: 0.95rem;
}

.locked {
  margin: 0 0 1rem;
  padding: 0.7rem 1rem;
  background: var(--amber);
  border-radius: 2px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.field { margin: 0 0 1rem; }

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.65rem 0.75rem;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--amber);
}

textarea { min-height: 5rem; resize: vertical; }

.drop {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem;
}

.drop input[type="file"] {
  width: 100%;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hint {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0.45rem 0 0;
}

.btn {
  display: block;
  width: 100%;
  margin-top: 1.15rem;
  padding: 0.8rem 1rem;
  background: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 2px;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: 0.55; cursor: wait; }

.alert {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  background: var(--bg-surface);
  border-radius: 2px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.alert.error { border-left-color: #b91c1c; }
.alert.ok { border-left-color: #15803d; }

.receipt {
  margin: 1rem 0;
  padding: 1.25rem 1.35rem 1.15rem;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  background: var(--bg-surface);
  border-radius: 2px;
}

.receipt-kicker {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.receipt-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.receipt-body {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin: 0 0 0.55rem;
  max-width: 42ch;
}

.receipt-next {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin: 0 0 0.9rem;
}

.file-list {
  list-style: none;
  margin: 0;
  padding: 0.75rem 0 0;
  border-top: 1px solid var(--border);
}

.file-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.28rem 0;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}

.foot {
  margin-top: 1.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.btn-secondary {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.65rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.btn-secondary:hover { border-color: #3a3a44; }