* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: #f4f6fb; color: #0f1c3f; }
a { color: #2563eb; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 14px 22px; background: #0a1633; }
.logo { color: #fff; font-weight: 700; font-size: 20px; text-decoration: none; }
.topbar nav a { color: #cdd6f4; text-decoration: none; margin-left: 18px; font-size: 15px; }
.btn-small { background: #2563eb; color: #fff !important; padding: 8px 14px; border-radius: 8px; }
main { max-width: 860px; margin: 0 auto; padding: 24px 16px 48px; }
.hero { background: linear-gradient(180deg, #0a1633, #12275c); color: #fff; border-radius: 16px; padding: 44px 24px; text-align: center; }
.hero h1 { margin: 0 0 10px; font-size: 34px; }
.hero p { color: #cdd6f4; margin: 0 0 22px; }
.hero-note { margin: 16px 0 0 !important; font-size: 14px; }
.hero-note a { color: #93c5fd; }
.shorten-form { display: flex; gap: 10px; max-width: 600px; margin: 0 auto; }
.shorten-form input { flex: 1; padding: 14px; border-radius: 10px; border: 0; font-size: 16px; min-width: 0; }
.alias-row { max-width: 600px; margin: 10px auto 0; }
.alias-row input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 0; font-size: 15px; }
button, .btn { background: #2563eb; color: #fff; border: 0; padding: 14px 22px; border-radius: 10px; font-size: 16px; cursor: pointer; text-decoration: none; display: inline-block; }
button:hover, .btn:hover { background: #1d4ed8; }
.card { background: #fff; border-radius: 14px; padding: 20px; margin-top: 18px; box-shadow: 0 2px 10px rgba(15, 28, 63, .06); }
.card h2 { margin-top: 0; }
.result-row { display: flex; gap: 10px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.short-url { font-size: 18px; font-weight: 600; color: #2563eb; word-break: break-all; }
.result-row button { padding: 10px 18px; }
.alert { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.stats { display: flex; gap: 14px; margin-top: 18px; }
.stat { flex: 1; background: #fff; border-radius: 14px; padding: 18px; text-align: center; box-shadow: 0 2px 10px rgba(15, 28, 63, .06); }
.stat span { display: block; font-size: 30px; font-weight: 700; }
.form-card { max-width: 440px; margin: 30px auto 0; }
.form-card label { display: block; margin-bottom: 14px; font-size: 14px; font-weight: 600; }
.form-card input { width: 100%; padding: 12px; border: 1px solid #dbe2f1; border-radius: 10px; font-size: 15px; margin-top: 6px; }
.form-card button { width: 100%; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid #eef1f8; vertical-align: top; }
th { color: #5b6b94; font-size: 13px; }
td .long { color: #5b6b94; word-break: break-all; }
.mini-btn { background: #eef2ff; color: #1e40af; border: 0; padding: 7px 12px; border-radius: 8px; font-size: 13px; cursor: pointer; margin-right: 6px; }
.mini-btn.danger { background: #fef2f2; color: #991b1b; }
.badge { background: #f1f5f9; color: #475569; font-size: 12px; padding: 3px 8px; border-radius: 20px; }
footer { text-align: center; color: #8a97b8; font-size: 13px; padding: 20px; }
@media (max-width: 560px) {
  .hero h1 { font-size: 26px; }
  .shorten-form { flex-direction: column; }
  .stats { flex-direction: column; }
}