* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial;
}

body {
    margin: 0;
    height: 100vh;
    background: linear-gradient(135deg, #4a6cf7, #6f86ff);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrapper {
    width: 100%;
    max-width: 380px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 14px;
    padding: 40px 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,.2);
    text-align: center;
}

.login-card h1 {
    margin: 0;
    font-size: 26px;
    color: #333;
}

.subtitle {
    color: #888;
    margin: 10px 0 30px;
}

input {
    width: 100%;
    padding: 12px 14px;
    font-size: 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

button {
    width: 100%;
    padding: 12px;
    background: #4a6cf7;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #3b5bdb;
}

.error {
    margin-top: 15px;
    color: #e74c3c;
}

.footer {
    margin-top: 30px;
    font-size: 12px;
    color: #aaa;
}