* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

header { text-align: center; margin-bottom: 48px; }
h1 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.subtitle { color: #888; font-size: 1rem; }
h2 { font-size: 1.1rem; color: #fff; margin-bottom: 2px; }
p { line-height: 1.5; }

.step { margin-bottom: 32px; }
.step-header { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.step-num {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: #1a1a1a;
  border: 1px solid #333;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
}
.step-desc { color: #888; font-size: 0.875rem; }

.step.locked .step-header { opacity: 0.35; }
.step.locked .step-body { opacity: 0.35; pointer-events: none; }
.step.done .step-num { background: #fff; color: #0a0a0a; border-color: #fff; }

.upload-zone {
  border: 2px dashed #333;
  border-radius: 12px;
  padding: 64px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: #555;
  background: rgba(255,255,255,0.02);
}
.upload-icon { color: #555; margin-bottom: 16px; }
.upload-text { color: #ccc; font-size: 1rem; margin-bottom: 8px; }
.upload-hint { color: #666; font-size: 0.8rem; }
.upload-error {
  color: #e74c3c;
  font-size: 0.875rem;
  margin-top: 12px;
}
.upload-error:empty { display: none; }

.preview-area { display: none; }
.preview-area.visible { display: block; }

.preview-wrap {
  background: #111;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.preview-wrap .eb-generator { max-width: 100%; }

.actions { display: flex; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #222; border-color: #555; }
.btn-primary { background: #fff; color: #0a0a0a; border-color: #fff; }
.btn-primary:hover { background: #e0e0e0; border-color: #e0e0e0; }

.url-input-row { display: flex; gap: 8px; }
.unlock-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.or-label { color: #555; font-size: 0.85rem; padding: 0 4px; }
.input-code { max-width: 180px; text-transform: uppercase; letter-spacing: 1px; font-family: monospace; }
.url-status, .code-status { font-size: 0.8rem; margin-top: 8px; }
.url-status:empty, .code-status:empty { display: none; }
.url-status.ok, .code-status.ok { color: #2ecc71; }
.url-status.err, .code-status.err { color: #e74c3c; }
.input {
  flex: 1;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid #333;
  background: #111;
  color: #e0e0e0;
  font-size: 0.875rem;
}
.input:focus { outline: none; border-color: #555; }

.snippet-wrap {
  position: relative;
  background: #111;
  border: 1px solid #222;
  border-radius: 8px;
}
.snippet-wrap pre {
  padding: 16px;
  overflow-x: auto;
  font-size: 0.75rem;
  line-height: 1.5;
  color: #aaa;
  max-height: 300px;
  white-space: pre-wrap;
  word-break: break-all;
}
.step.locked .snippet-wrap pre {
  max-height: 120px;
  overflow: hidden;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 30%, rgba(0,0,0,0) 100%);
}
.step.locked .btn-copy { display: none; }
.btn-copy {
  position: absolute;
  top: 8px;
  right: 8px;
  background: #222;
  border: 1px solid #333;
  border-radius: 4px;
  padding: 6px;
  cursor: pointer;
  color: #888;
  transition: color 0.15s, background 0.15s;
}
.btn-copy:hover { color: #fff; background: #333; }

.site-footer {
  max-width: 720px;
  margin: 64px auto 32px;
  padding: 24px;
  text-align: center;
  color: #555;
  font-size: 0.8rem;
  border-top: 1px solid #1a1a1a;
}
.site-footer a { color: #888; text-decoration: none; }
.site-footer a:hover { color: #fff; }

.legal h1 a { color: inherit; text-decoration: none; }
.legal .legal-body h2 { font-size: 1.05rem; color: #fff; margin: 32px 0 8px; }
.legal .legal-body p, .legal .legal-body li { color: #aaa; font-size: 0.9rem; margin-bottom: 12px; }
.legal .legal-body a { color: #eee; }
.legal .legal-body strong { color: #ccc; }
.legal-list { padding-left: 20px; }
.legal-list li { margin-bottom: 8px; }
.legal-footer { margin-top: 48px; padding-top: 24px; border-top: 1px solid #1a1a1a; color: #666; font-size: 0.85rem; }
.legal-footer a { color: #aaa; }