* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', Arial, sans-serif;
}

body {
    background: linear-gradient(135deg, #ff9ff3, #feca57);
    color: #333;
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255,255,255,0.9);
    border-radius: 0 0 20px 20px;
}

header h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #e84393;
}

header p {
    font-size: 18px;
    color: #555;
}

main {
    max-width: 600px;
    margin: 20px auto;
    padding: 0 20px;
}

form {
    background: rgba(255,255,255,0.9);
    padding: 20px;
    border-radius: 15px;
}

input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 2px solid #fdcb6e;
    border-radius: 10px;
    font-size: 16px;
}

button {
    width: 100%;
    padding: 12px;
    background: #ff6b6b;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #e63946;
}

.error {
    color: #d63031;
    text-align: center;
    margin: 10px 0;
}

.success {
    color: #00b894;
    text-align: center;
    margin: 10px 0;
}

.buttons {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.button {
    padding: 10px 20px;
    background: #0984e3;
    color: #fff;
    text-decoration: none;
    border-radius: 10px;
    font-size: 16px;
    transition: background 0.3s;
}

.button:hover {
    background: #0652dd;
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px 20px 0 0;
}

footer p {
    margin: 5px 0;
    font-size: 14px;
}

footer a {
    color: #e84393;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    header {
        padding: 20px 10px;
    }

    header h1 {
        font-size: 24px;
    }

    header p {
        font-size: 16px;
    }

    main {
        padding: 0 10px;
    }

    form {
        padding: 15px;
    }

    input, button {
        font-size: 14px;
    }
}