* {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    box-sizing: border-box;
}

body {
    height: 100vh;
    overflow: hidden;
}

.background-blur {
    position: fixed;
    inset: 0;
    background: url("city.jpg") no-repeat center center/cover;
    filter: blur(8px);
    z-index: -1;
}

.auth-box {
    width: 350px;
    padding: 30px;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(6px);
    border-radius: 15px;
    color: white;
    margin: 100px auto;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
}

.auth-box h2 {
    margin-bottom: 20px;
    font-weight: 600;
}

.auth-box input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    font-size: 15px;
    border-radius: 8px;
    border: none;
    outline: none;
    background: rgba(255,255,255,0.8);
}

.auth-box button {
    margin-top: 15px;
    width: 100%;
    padding: 12px;
    background: #ffb830;
    border: none;
    border-radius: 8px;
    font-size: 17px;
    font-weight: bold;
    cursor: pointer;
}

.auth-box button:hover {
    background: #ffcb52;
}

.switch {
    margin-top: 12px;
}

.switch a {
    color: #ffd55e;
    text-decoration: none;
}
.switch a:hover {
    text-decoration: underline;
}
.home-btn {
    display: block;
    margin-top: 15px;
    text-align: center;
    color: #fff;
    opacity: 0.7;
    text-decoration: none;
    font-size: 14px;
    transition: 0.2s;
}

.home-btn:hover {
    opacity: 1;
}
