body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Arial, sans-serif;
    color: #fff;
    min-height: 100vh;
    background: url('../../img/background.png') no-repeat center center fixed !important;
    background-size: cover !important;
}

.background {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.07);
    z-index: 0;
}

.reg-container {
    position: relative;
    z-index: 1;
    max-width: 450px;
    margin: 60px auto;
    background: rgba(0,0,0,0.55);
    border-radius: 20px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    padding: 40px 35px 35px 35px;
    display: flex;
    flex-direction: column;
    align-items: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 2.2rem;
    letter-spacing: 2px;
    color: #00c3ff;
    text-shadow: 0 0 15px #00c3ff;
    font-weight: bold;
}

label {
    margin-top: 15px;
    margin-bottom: 6px;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    color: #e0e0e0;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: rgba(20, 20, 30, 0.8);
    color: #fff;
    font-size: 1rem;
    margin-bottom: 8px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #00c3ff;
    box-shadow: 0 0 15px rgba(0, 195, 255, 0.4);
    background: rgba(20, 20, 30, 0.9);
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.toggle-password {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1.3em;
    color: #aaa;
    user-select: none;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #00c3ff;
}

/* Blauer Register-Button mit Glow */
button[type="submit"] {
    margin-top: 25px;
    padding: 12px 0;
    width: 150px;
    background: linear-gradient(135deg, #4e8cff, #1e3a5c);
    color: #fff;
    border: none;
    border-radius: 15px;
    font-size: 1.05rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(78, 140, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-left: auto;
    margin-right: auto;
    display: block;
}

button[type="submit"]:hover {
    background: linear-gradient(135deg, #1e3a5c, #4e8cff);
    box-shadow: 0 0 30px rgba(78, 140, 255, 0.6);
    transform: translateY(-2px);
}

button[type="submit"]:active {
    transform: translateY(0);
    box-shadow: 0 0 15px rgba(78, 140, 255, 0.4);
}

.info {
    margin-top: 20px;
    font-size: 1rem;
    color: #b0c4ff;
    text-align: center;
    line-height: 1.5;
}

.required {
    color: #ff6a6a;
    font-weight: bold;
}

#reg-message {
    margin-top: 15px;
    min-height: 25px;
    text-align: center;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 8px;
    padding: 8px;
}

a {
    color: #00c3ff;
    text-align: center;
    display: block;
    margin-top: 15px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

a:hover {
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.lang-switch {
    position: absolute;
    top: 25px;
    right: 35px;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 12px;
    padding: 6px 15px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
}

.lang-btn {
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    border: 1px solid #00c3ff;
    border-radius: 8px;
    padding: 6px 16px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn.active, .lang-btn:hover {
    background: #00c3ff;
    color: #000;
    box-shadow: 0 0 15px rgba(0, 195, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 480px) {
    .reg-container {
        margin: 40px 20px;
        padding: 30px 25px;
    }
    
    h1 {
        font-size: 1.8rem;
    }
    
    .lang-switch {
        top: 15px;
        right: 20px;
        padding: 4px 10px;
    }
}