* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #f5f5f5;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 420px;
    margin: 80px auto 0;
    padding: 0 20px;
    flex: 1;
}

.logo {
    text-align: center;
    margin-bottom: 32px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -0.5px;
}

.logo p {
    font-size: 13px;
    color: #888;
    margin-top: 4px;
}

.card {
    background: #fff;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.card h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #1a1a1a;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: #4a90d9;
}

.btn {
    width: 100%;
    padding: 10px;
    background: #4a90d9;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-top: 8px;
}

.btn:hover {
    background: #3a7bc8;
}

.links {
    text-align: center;
    margin-top: 16px;
    font-size: 13px;
}

.links a {
    color: #4a90d9;
    text-decoration: none;
}

.links a:hover {
    text-decoration: underline;
}

.notice {
    text-align: center;
    margin-top: 24px;
    font-size: 12px;
    color: #999;
    padding: 0 20px;
}

.page-content {
    max-width: 560px;
    margin: 60px auto 0;
    padding: 0 20px;
    flex: 1;
}

.page-content h1 {
    font-size: 22px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.page-content p {
    font-size: 14px;
    line-height: 1.7;
    color: #555;
    margin-bottom: 12px;
}

.page-content a {
    color: #4a90d9;
    text-decoration: none;
}

footer {
    text-align: center;
    padding: 24px;
    font-size: 12px;
    color: #bbb;
}

footer a {
    color: #999;
    text-decoration: none;
    margin: 0 8px;
}

.message {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 20px;
}

.message-info {
    background: #f0f4f8;
    color: #555;
    border: 1px solid #d0dbe8;
}

.message-error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}