:root {
  --bg-1: #e7f0fb;
  --bg-2: #cfe0f4;
  --bg-3: #b7cfee;
  --ink: #12223b;
  --muted: #54657a;
  --primary: #2d5ea8;
  --accent: #1b6aa6;
  --card: #f7fbff;
  --shadow: rgba(18, 34, 59, 0.18);
  --radius: 18px;
  --border: rgba(18, 34, 59, 0.14);
  --mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --title: "Kaiti SC", "STKaiti", "KaiTi", "PingFang SC", serif;
  --body: "Songti SC", "SimSun", "Noto Serif CJK SC", "Microsoft YaHei", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  min-height: 100vh;
  background: linear-gradient(140deg, var(--bg-1), var(--bg-2) 45%, var(--bg-3));
}

.bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(45, 94, 168, 0.22), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(27, 106, 166, 0.2), transparent 50%),
    radial-gradient(circle at 60% 80%, rgba(64, 140, 210, 0.18), transparent 55%);
  z-index: -1;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.hero {
  margin-bottom: 24px;
}

.hero-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-title h1 {
  font-family: var(--title);
  font-size: 34px;
  margin: 0;
  letter-spacing: 0.5px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 10px 20px rgba(45, 94, 168, 0.25);
}

.hero-sub {
  margin: 10px 0 0;
  color: var(--muted);
}

.hero-meta {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 12px 30px var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 22px;
}

.hidden {
  display: none;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}

.field span {
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 14px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

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

.field-help {
  font-size: 12px;
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  cursor: pointer;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(29, 26, 22, 0.1);
}

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

.btn.ghost {
  background: transparent;
  color: var(--accent);
  border-color: rgba(27, 106, 166, 0.4);
}

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

.results {
  margin-top: 24px;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
}

.footer {
  text-align: center;
  padding: 18px 0 32px;
  font-size: 12px;
  color: var(--muted);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.results-list {
  margin: 16px 0;
  display: grid;
  gap: 12px;
}

.result-item {
  background: #fff;
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(27, 106, 166, 0.12);
  box-shadow: 0 6px 16px rgba(18, 34, 59, 0.08);
}

.result-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-family: var(--title);
}

.result-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}

.result-meta a {
  color: var(--accent);
  text-decoration: none;
}

.result-meta a:hover {
  text-decoration: underline;
}

.toggle-preview {
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  padding: 0;
  font-size: 12px;
  font-family: inherit;
}

.result-preview {
  margin-top: 10px;
  font-size: 13px;
  color: var(--ink);
  background: rgba(27, 106, 166, 0.1);
  padding: 10px 12px;
  border-radius: 12px;
  line-height: 1.6;
  display: none;
  white-space: pre-wrap;
}

.result-preview.open {
  display: block;
}

.pager {
  display: flex;
  gap: 8px;
  align-items: center;
}

.pager button {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 10px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
}

.pager .page-indicator {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

@media (max-width: 720px) {
  .hero-title h1 {
    font-size: 26px;
  }

  .toolbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }
}