* { box-sizing: border-box; }
body {
    margin: 0;
    padding: 32px;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #111827;
}
.card {
    max-width: 1100px;
    margin: 0 auto;
    background: #fff;
    padding: 24px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
.small-card { max-width: 460px; }
h1 { margin: 0 0 18px; font-size: 26px; }
h2 { margin-top: 28px; font-size: 20px; }
label { display: block; margin-bottom: 6px; font-weight: 700; font-size: 13px; }
input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 10px;
    margin-bottom: 14px;
    font-size: 15px;
}
textarea { min-height: 80px; }
button {
    padding: 12px 18px;
    border: 0;
    border-radius: 10px;
    background: #111827;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}
button:hover { opacity: .92; }
a { color: #111827; }
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.search-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    align-items: end;
}
.clear-link {
    display: inline-block;
    padding: 12px 18px;
}
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}
th, td {
    padding: 11px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    white-space: nowrap;
}
th { background: #f9fafb; font-size: 13px; }
.alert {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 14px;
}
.success {
    background: #dcfce7;
    color: #166534;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 14px;
}
.empty, .muted { color: #6b7280; }
.secret-box {
    word-break: break-all;
    background: #f3f4f6;
    padding: 14px;
    border-radius: 10px;
    font-family: monospace;
    margin: 12px 0;
}
@media (max-width: 720px) {
    body { padding: 16px; }
    .search-grid { grid-template-columns: 1fr; }
}