body {
    background: linear-gradient(120deg, #e0eafc 0%, #cfdef3 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

.login-container {
    max-width: 370px;
    width: 90%;
    margin: 60px auto;
    background: #fff;
    padding: 2.5rem 2rem 1.5rem 2rem;
    border-radius: 18px;
    box-shadow: 0 8px 32px rgba(66,133,244,0.10);
}

.login-form h2 {
    margin-bottom: 1.2rem;
    color: #2d3a4a;
    text-align: center;
    letter-spacing: 1px;
    font-size: clamp(1.5rem, 4vw, 1.8rem);
}

.login-form label {
    display: block;
    margin-bottom: 0.3rem;
    color: #4a5a6a;
    font-weight: 600;
    font-size: clamp(0.9rem, 2vw, 0.98rem);
}

.input-group {
    position: relative;
    margin-bottom: 1.2rem;
}

.login-form input {
    width: 100%;
    padding: 0.7rem 2.5rem 0.7rem 0.9rem;
    border: 1px solid #d1d9e6;
    border-radius: 7px;
    font-size: clamp(0.9rem, 2vw, 1rem);
    background: #f8fafc;
    transition: border 0.2s;
    box-sizing: border-box;
}

.login-form input:focus {
    border-color: #4285f4;
    outline: none;
    background: #fff;
}

.input-group .toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #888;
    font-size: clamp(1rem, 2vw, 1.1rem);
    padding: 5px;
}

.login-form button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(90deg, #4285f4 60%, #34a853 100%);
    color: #fff;
    border: none;
    border-radius: 7px;
    font-size: clamp(1rem, 2vw, 1.08rem);
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 1.1rem;
    box-shadow: 0 2px 8px rgba(66,133,244,0.08);
    transition: background 0.2s;
}

.login-form button[type="submit"]:hover {
    background: linear-gradient(90deg, #357ae8 60%, #2c8c47 100%);
}

.login-form button[type="submit"]:active {
    transform: scale(0.98);
}

.login-form .forgot-link {
    display: block;
    text-align: right;
    font-size: clamp(0.85rem, 2vw, 0.93rem);
    color: #4285f4;
    text-decoration: none;
    margin-bottom: 1.2rem;
    transition: color 0.2s;
}

.login-form .forgot-link:hover {
    color: #2c8c47;
}

.divider {
    text-align: center;
    margin: 1.2rem 0;
    color: #aaa;
    position: relative;
    font-size: clamp(0.9rem, 2vw, 0.98rem);
}

.divider::before, .divider::after {
    content: "";
    display: inline-block;
    width: 38%;
    height: 1px;
    background: #e3e8ee;
    vertical-align: middle;
    margin: 0 8px;
}

.google-login {
    width: 100%;
    padding: 0.7rem;
    background: #fff;
    color: #444;
    border: 1px solid #d1d9e6;
    border-radius: 7px;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.2s, border 0.2s;
    box-shadow: 0 1px 4px rgba(66,133,244,0.04);
}

.google-login:hover {
    background: #f1f3f4;
    border-color: #4285f4;
}

.google-login:active {
    transform: scale(0.98);
}

.google-login img {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.signup-link {
    display: block;
    text-align: center;
    margin-top: 1.3rem;
    font-size: clamp(0.88rem, 2vw, 0.97rem);
    color: #4a5a6a;
}

.signup-link a {
    color: #4285f4;
    text-decoration: none;
    font-weight: 600;
    margin-left: 4px;
    transition: color 0.2s;
}

.signup-link a:hover {
    color: #2c8c47;
}

/* Tablet and small screens */
@media (max-width: 768px) {
    .login-container {
        margin: 40px auto;
        padding: 2rem 1.5rem 1.2rem 1.5rem;
    }
    
    .divider::before, .divider::after {
        width: 35%;
    }
}

/* Mobile devices */
@media (max-width: 480px) {
    .login-container {
        margin: 20px auto;
        padding: 1.8rem 1.2rem 1rem 1.2rem;
        width: 92%;
        border-radius: 14px;
    }
    
    .login-form input {
        padding: 0.65rem 2.5rem 0.65rem 0.8rem;
    }
    
    .login-form button[type="submit"],
    .google-login {
        padding: 0.65rem;
    }
    
    .divider::before, .divider::after {
        width: 32%;
        margin: 0 6px;
    }
    
    .input-group {
        margin-bottom: 1rem;
    }
}

/* Very small devices */
@media (max-width: 360px) {
    .login-container {
        width: 95%;
        padding: 1.5rem 1rem 0.8rem 1rem;
    }
    
    .google-login {
        gap: 6px;
        font-size: 0.9rem;
    }
    
    .google-login img {
        width: 18px;
        height: 18px;
    }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .login-container {
        margin: 20px auto;
        padding: 1.5rem 2rem 1rem 2rem;
    }
}

/* Touch device optimization */
@media (hover: none) and (pointer: coarse) {
    .login-form input,
    .login-form button[type="submit"],
    .google-login,
    .input-group .toggle-password {
        min-height: 44px;
    }
    
    .login-form .forgot-link,
    .signup-link a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
}