* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f4f5f7;
    margin: 0;
    color: #1a1a1a;
}

.wrap {
    max-width: 640px;
    margin: 40px auto;
    padding: 0 20px;
}

h1 {
    margin-bottom: 0;
}

.sub {
    color: #666;
    margin-top: 4px;
}

form {
    background: #fff;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 20px;
}

label {
    font-size: 13px;
    font-weight: 600;
    margin-top: 12px;
    color: #444;
}

input, select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
}

.checkrow {
    display: flex;
    gap: 16px;
    font-weight: 400;
}

.checkrow label {
    margin-top: 0;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 6px;
}

button {
    margin-top: 20px;
    padding: 12px;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

#status {
    margin-top: 16px;
    font-size: 13px;
    color: #666;
}

.card {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    margin-top: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.card h3 {
    margin: 0 0 8px;
}

.card p {
    margin: 2px 0;
    font-size: 14px;
}

.card a {
    font-size: 13px;
}

button:disabled {
    background: #93b4f0;
    cursor: not-allowed;
}

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}