* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", sans-serif;
}

body {
    min-height: 100vh;
    background: linear-gradient(135deg, z, #06b6d4);
    display: flex;
    justify-content: center;
    align-items: center;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.auth-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    text-align: center;
}

.auth-card h2 {
    margin-bottom: 5px;
    color: #333;
}

.subtitle {
    margin-bottom: 25px;
    color: #777;
    font-size: 14px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group input {
    width: 100%;
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 14px;
    outline: none;
    transition: 0.3s;
}

.input-group input:focus {
    border-color: #4f46e5;
    box-shadow: 0 0 0 2px rgba(79,70,229,0.2);
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    background: #4f46e5;
    color: #fff;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    background: #4338ca;
}

.switch {
    margin-top: 15px;
    font-size: 14px;
    color: #555;
}

.switch a {
    color: #4f46e5;
    text-decoration: none;
    font-weight: bold;
}

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