* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f5f6fa;
    color: #1c1e21;
}
.page { max-width: 640px; margin: 0 auto; padding: 32px 20px 80px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.topbar h1 { font-size: 22px; margin: 0; }
.muted { color: #6b7280; font-size: 14px; }
.btn-primary {
    background: #4f46e5; color: #fff; border: none;
    padding: 12px 20px; font-size: 15px; font-weight: 600;
    border-radius: 8px; cursor: pointer;
}
.btn-primary:hover { background: #4338ca; }
.btn-secondary {
    background: transparent; color: #6b7280; border: 1px solid #d1d5db;
    padding: 12px 20px; font-size: 15px; border-radius: 8px; cursor: pointer;
}
.btn-delete {
    background: #fef2f2; color: #dc2626; border: 1px solid #fecaca;
    padding: 8px 14px; font-size: 13px; border-radius: 6px; cursor: pointer;
}
.card { background: #fff; border-radius: 12px; padding: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.create-card { margin-top: 16px; }
.hidden { display: none !important; }
.field-label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 15px; }
input[type="text"] {
    width: 100%; padding: 12px 14px; border: 1px solid #d1d5db;
    border-radius: 8px; font-size: 15px; margin-bottom: 16px;
}
.links-list { margin-top: 28px; display: flex; flex-direction: column; gap: 10px; }
.link-row {
    background: #fff; border-radius: 10px; padding: 16px;
    display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.link-short { font-weight: 600; font-size: 15px; }
.link-dest { margin-top: 2px; word-break: break-all; }
.link-meta { margin-top: 4px; }