* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: #f4f5f7;
  color: #1f2430;
  line-height: 1.6;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

h1 { margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 0 0 12px; }

.subtitle { color: #6b7280; margin: 0 0 24px; }

.card {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.input-row { display: flex; gap: 8px; }

input[type="url"], input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  font-size: 1rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  min-width: 0;
}

input:focus { outline: 2px solid #4f7cff; border-color: transparent; }

button {
  padding: 10px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background: #4f7cff;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
}

button:hover { background: #3b66e8; }

a { color: #4f7cff; text-decoration: none; }
a:hover { text-decoration: underline; }

.error { color: #d4380d; margin: 12px 0 0; }
.muted { color: #9ca3af; }
.label { color: #6b7280; font-size: 0.85rem; margin: 0 0 4px; }

.result #stats-link { display: inline-block; margin-top: 12px; }

.search-input {
  width: 100%;
  padding: 9px 14px;
  font-size: 0.95rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  margin-bottom: 12px;
}
.search-input:focus { outline: 2px solid #4f7cff; border-color: transparent; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}
.pagination button {
  padding: 6px 14px;
  font-size: 0.9rem;
  background: #fff;
  color: #4f7cff;
  border: 1px solid #d1d5db;
}
.pagination button:hover:not(:disabled) { background: #f0f4ff; }
.pagination button:disabled { color: #c4c9d4; cursor: default; }
.result-title { font-weight: 600; margin: 0 0 12px; }
.link-title { font-weight: 500; }
.link-url { font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid #eef0f3; }
th { color: #6b7280; font-weight: 600; }

.url-cell {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.stat-box { text-align: center; margin-bottom: 0; }
.stat-number { font-size: 2.2rem; font-weight: 700; margin: 0; color: #4f7cff; }

.chart { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: flex; align-items: center; gap: 10px; }
.bar-label { width: 48px; font-size: 0.82rem; color: #6b7280; flex-shrink: 0; }
.bar-track { flex: 1; background: #eef0f3; border-radius: 4px; height: 18px; }
.bar { background: #4f7cff; height: 100%; border-radius: 4px; min-width: 2px; }
.bar-count { width: 36px; font-size: 0.85rem; text-align: right; flex-shrink: 0; }

@media (max-width: 520px) {
  .url-cell { max-width: 140px; }
}