:root {
  color-scheme: light;
  --bg: #f3f7ff;
  --card: #ffffff;
  --text: #1c2740;
  --muted: #5f6b85;
  --primary: #5c6cff;
  --primary-dark: #4d5bf0;
  --secondary: #eaf0ff;
  --line: #e8ecf7;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% -10%, #cde4ff 0%, transparent 32%),
    radial-gradient(circle at 100% 0%, #d8d3ff 0%, transparent 28%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", sans-serif;
}

.page {
  max-width: 820px;
  margin: 0 auto;
  padding: 22px 16px 46px;
}

.hero-card {
  margin-bottom: 14px;
  border-radius: 20px;
  padding: 22px 18px;
  color: #ffffff;
  background: linear-gradient(128deg, #5369ff 0%, #7398ff 58%, #8bb2ff 100%);
  box-shadow: 0 14px 36px rgba(83, 105, 255, 0.28);
}

.hero-badge {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255, 255, 255, 0.2);
}

.hero-card h1 {
  margin: 0;
  font-size: 32px;
  letter-spacing: 0.8px;
}

.hero-card p {
  margin-top: 10px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.92);
}

.hero-tags {
  margin-top: 14px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.hero-tags span {
  font-size: 12px;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
}

.card {
  margin-top: 16px;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 17px;
  box-shadow: 0 10px 28px rgba(28, 39, 64, 0.06);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.status-text {
  margin-top: 10px;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

input[type="file"] {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 12px;
  min-height: 48px;
  padding: 0 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text);
  border: 1px solid #dde6ff;
}

.btn-block {
  width: 100%;
  margin-top: 14px;
}

.preview-card img {
  display: block;
  width: 100%;
  margin-top: 12px;
  border-radius: 12px;
  background: #f8fbff;
  border: 1px solid var(--line);
}

.result-card {
  margin-bottom: 20px;
}

.result-block + .result-block {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed #d9e3fb;
}

.result-block h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.result-block p {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.65;
}

.story-title {
  font-weight: 700;
  margin-bottom: 8px !important;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(12, 18, 35, 0.42);
  backdrop-filter: blur(2px);
}

.loading-overlay.is-visible {
  display: flex;
}

.loading-box {
  width: min(88vw, 340px);
  padding: 18px 16px;
  border-radius: 16px;
  background: #ffffff;
  text-align: center;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.2);
}

.spinner {
  width: 34px;
  height: 34px;
  border: 3px solid #dbe3ff;
  border-top-color: var(--primary);
  border-radius: 50%;
  margin: 2px auto 10px;
  animation: spin 0.8s linear infinite;
}

.loading-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.loading-text {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--muted);
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 480px) {
  .hero-card h1 {
    font-size: 28px;
  }

  .actions {
    grid-template-columns: 1fr;
  }
}