* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.login-card {
    background: white;
    border-radius: 16px;
    padding: 40px 32px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    border: 1px solid #e5e7eb;
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 32px;
    text-align: left;
}

.login-header {
    margin-bottom: 32px;
}

.login-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.subtitle {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.5;
}

.login-form {
    margin-bottom: 24px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    background-color: #ffffff;
    transition: border-color 0.2s ease;
}

.input-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group input::placeholder {
    color: #9ca3af;
}

.btn-primary {
    width: 100%;
    padding: 16px;
    background-color: #1f2937;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn-primary:hover {
    background-color: #111827;
}

.divider {
    display: flex;
    align-items: center;
    margin: 24px 0;
    color: #6b7280;
    font-size: 14px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: #e5e7eb;
}

.divider span {
    padding: 0 16px;
}

.btn-google {
    width: 100%;
    padding: 16px;
    background-color: #dc2626;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: background-color 0.2s ease;
    margin-bottom: 24px;
}

.btn-google:hover {
    background-color: #b91c1c;
}

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

.signup-link {
    text-align: center;
    font-size: 14px;
    color: #6b7280;
}

.signup-link a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.signup-link a:hover {
    text-decoration: underline;
}

.security-message {
    text-align: center;
    padding: 24px;
}

.security-message h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.4;
}

/* Responsive Design */
@media (max-width: 480px) {
    .container {
        max-width: 100%;
        gap: 24px;
    }
    
    .login-card {
        padding: 32px 24px;
        border-radius: 12px;
    }
    
    .logo h1 {
        font-size: 28px;
        margin-bottom: 24px;
    }
    
    .login-header h2 {
        font-size: 20px;
    }
    
    .security-message h3 {
        font-size: 16px;
    }
}

@media (max-width: 360px) {
    body {
        padding: 16px;
    }
    
    .login-card {
        padding: 24px 20px;
    }
    
    .input-group input,
    .btn-primary,
    .btn-google {
        padding: 14px;
        font-size: 15px;
    }
}