body {
    background: linear-gradient(120deg, #e6f0ff 0%, #f8f9fa 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.signup-container {
    background: #fff;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.08), 0 1.5px 4px rgba(0,0,0,0.03);
    width: 100%;
    max-width: 370px;
    text-align: center;
}

.signup-container h2 {
    margin-bottom: 28px;
    color: #0066ff;
    font-size: 28px;
    font-weight: 700;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #212529;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
    transition: border 0.3s;
}

.form-group input:focus {
    border-color: #0066ff;
    outline: none;
}

.signup-btn {
    width: 100%;
    padding: 12px;
    background: #0066ff;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 10px;
}

.signup-btn:hover {
    background: #0052cc;
}

.switch-link {
    margin-top: 18px;
    color: #6c757d;
    font-size: 15px;
}

.switch-link a {
    color: #0066ff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.switch-link a:hover {
    color: #0052cc;
}

.social-signup {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 18px;
}

.google-btn, .facebook-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.google-btn {
    background: #fff;
    color: #4285F4;
    border: 1.5px solid #e0e0e0;
}

.google-btn:hover {
    background: #f1f7ff;
}

.google-btn i {
    color: #EA4335;
    font-size: 18px;
}

.facebook-btn {
    background: #1877f3;
    color: #fff;
    border: 1.5px solid #1877f3;
}

.facebook-btn:hover {
    background: #145db2;
}

.facebook-btn i {
    color: #fff;
    font-size: 18px;
}

.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 18px 0 18px 0;
}

.divider span {
    color: #b0b0b0;
    font-size: 15px;
    padding: 0 16px;
    background: #fff;
    position: relative;
    z-index: 1;
}

.divider:before, .divider:after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e0e0e0;
    position: relative;
    top: 0.5em;
}

.back-home {
    position: absolute;
    top: 28px;
    left: 32px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f4f8ff;
    color: #0066ff;
    padding: 8px 16px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0,102,255,0.06);
    transition: background 0.2s, color 0.2s;
    z-index: 10;
}

.back-home i {
    font-size: 16px;
}

.back-home:hover {
    background: #e6f0ff;
    color: #0052cc;
}

@media (max-width: 500px) {
    .back-home {
        top: 12px;
        left: 10px;
        padding: 6px 10px;
        font-size: 13px;
    }
}