:root {
    --primary: #2563eb;
    --secondary: #10b981;
    --accent: #f59e0b;
    --light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
}

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

body {
    background: var(--light);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    color: var(--text-dark);
    line-height: 1.5;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    margin-bottom: 1rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.logo-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.form-label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: 10px;
    padding: 0.875rem 1rem;
    border: 2px solid #e2e8f0;
    font-size: 1rem;
    transition: all 0.2s ease;
    background: white;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: white;
}

.password-input-container {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.toggle-password:hover {
    color: var(--primary);
    background: #f1f5f9;
}

.btn-login {
    width: 100%;
    padding: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    font-size: 1rem;
    transition: all 0.2s ease;
    margin-bottom: 1rem;
}

.btn-login:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-google {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    background: white;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    text-decoration: none;
}

.btn-google:hover {
    border-color: var(--primary);
    background: #f8fafc;
    transform: translateY(-1px);
}

.google-icon {
    width: 18px;
    height: 18px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.remember-me input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    border: 2px solid #cbd5e1;
}

.login-links {
    text-align: center;
    margin-top: 1.5rem;
}

.login-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.login-links a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.links-separator {
    color: var(--text-muted);
    margin: 0 0.5rem;
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 0.875rem 1rem;
    margin-bottom: 1.5rem;
}

.g-recaptcha {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

@media (max-width: 480px) {
    body {
        padding: 0.5rem;
        align-items: flex-start;
        padding-top: 2rem;
    }
    
    .login-card {
        padding: 1.5rem 1.25rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .g-recaptcha {
        transform: scale(0.9);
        transform-origin: center;
    }
}

@media (max-width: 360px) {
    .login-card {
        padding: 1.25rem 1rem;
    }
    
    .form-control {
        padding: 0.75rem;
    }
    
    .btn-login, .btn-google {
        padding: 0.75rem;
    }
    
    .g-recaptcha {
        transform: scale(0.8);
    }
}