:root {
  --bg: #0e0e10;
  --panel: #17171b;
  --border: #2a2a30;
  --text: #f2f2f2;
  --muted: #9a9aa2;
  --accent: #ff5a3c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
}

.header-logo {
  height: 40px;
  width: auto;
  display: block;
}

header.site h1 {
  font-size: 22px;
  letter-spacing: 0.02em;
  margin: 0;
}

header.site h1 span { color: var(--accent); }

.tagline { color: var(--muted); font-size: 14px; margin-top: 4px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 24px;
}

.panel h2 { margin-top: 0; font-size: 16px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }

label { display: block; font-size: 14px; margin: 18px 0 6px; color: var(--text); }
label.first { margin-top: 0; }

input[type=text], select, textarea {
  width: 100%;
  padding: 12px 14px;
  background: #0e0e10;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 15px;
}

textarea { resize: vertical; min-height: 70px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.tier-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin-top: 10px;
}

.tier-card .price { color: var(--accent); font-weight: 600; }
.tier-card ul { margin: 10px 0 0; padding-left: 18px; color: var(--muted); font-size: 14px; }

.tier-select {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
}
.tier-select input[type=radio] { margin-top: 4px; width: 18px; height: 18px; flex-shrink: 0; }
.tier-select:has(input:checked) { border-color: var(--accent); background: rgba(255, 90, 60, 0.06); }

.addon-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin-top: 14px;
}
.addon-row input { margin-top: 4px; }
.addon-row .price { color: var(--accent); font-weight: 600; }
.addon-row p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

button.submit {
  width: 100%;
  padding: 16px;
  margin-top: 28px;
  background: var(--accent);
  color: #0e0e10;
  font-weight: 700;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
button.submit:hover { opacity: 0.92; }

button.submit:disabled { opacity: 0.6; cursor: wait; }

.note { font-size: 13px; color: var(--muted); margin-top: 10px; }

/* result page */
.preview-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 16px 0; }
.preview-grid img { width: 100%; border-radius: 8px; border: 1px solid var(--border); display: block; }
.preview-grid.full { grid-template-columns: 1fr; }

.download-bar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 22px 28px; margin-bottom: 28px;
}
.download-bar a.btn {
  background: var(--accent); color: #0e0e10; font-weight: 700;
  padding: 12px 20px; border-radius: 8px; text-decoration: none;
}

.concept-block { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.concept-block b { color: var(--text); }