:root {
    --ig-primary: #FFDD00;
    --ig-primary-hover: #000000;
    --ig-secondary: #6c757d;
    --ig-success: #28a745;
    --ig-danger: #dc3545;
    --ig-warning: #ffc107;
    --ig-info: #17a2b8;
    --ig-light: #f8f9fa;
    --ig-dark: #0e0e0e;
    --ig-gray-light: #f4f4f4;
    --ig-gray-input: #E9E9E9;
    --ig-gray-medium: #8f8f8f;
    
    --ig-spacing-xs: 0.25rem;
    --ig-spacing-sm: 0.5rem;
    --ig-spacing-md: 1rem;
    --ig-spacing-lg: 1.5rem;
    --ig-spacing-xl: 2rem;
    
    --ig-radius-sm: 0;
    --ig-radius-md: 0;
    --ig-radius-lg: 0;
    
    --ig-font-primary: 'MontserratRegular';
    --ig-font-bold: 'MontserratBold';
    --ig-font-black: 'MontserratBlack';
    --ig-font-secondary: 'OpenSansRegular';
    --ig-font-secondary-bold: 'OpenSansBold';
    --ig-font-secondary-extrabold: 'OpenSansExtraBold';
}

.ig-flex { display: flex; }
.ig-flex-col { flex-direction: column; }
.ig-flex-row { flex-direction: row; }
.ig-items-center { align-items: center; }
.ig-items-start { align-items: flex-start; }
.ig-items-end { align-items: flex-end; }
.ig-justify-center { justify-content: center; }
.ig-justify-between { justify-content: space-between; }
.ig-gap-sm { gap: var(--ig-spacing-sm); }
.ig-gap-md { gap: var(--ig-spacing-md); }
.ig-gap-lg { gap: var(--ig-spacing-lg); }

.ig-container { 
    max-width: 480px; 
    margin: 0 auto; 
    padding: var(--ig-spacing-md); 
}

.ig-card { 
    background: white; 
    border-radius: var(--ig-radius-lg); 
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5); 
    padding: 40px;
    position: relative;
}

.ig-title { 
    font-family: var(--ig-font-secondary-extrabold); 
    font-size: 1.5rem; 
    font-weight: 800; 
    color: var(--ig-dark); 
    margin-bottom: var(--ig-spacing-lg); 
}

.ig-subtitle { 
    font-family: var(--ig-font-primary); 
    font-size: 1.1rem; 
    font-weight: 500; 
    color: var(--ig-secondary); 
    margin-bottom: var(--ig-spacing-md); 
}

.ig-text { 
    font-family: var(--ig-font-primary); 
    font-size: 1rem; 
    line-height: 1.5; 
    color: var(--ig-dark); 
}

.ig-text-muted { 
    font-family: var(--ig-font-primary); 
    color: var(--ig-gray-medium); 
}

.ig-text-small { 
    font-size: 0.875rem; 
}

a, .ig-link {
    color: var(--ig-dark);
    text-decoration: none;
    font-family: var(--ig-font-bold);
}

a:hover, .ig-link:hover {
    color: var(--ig-dark);
    text-decoration: underline;
}

.ig-card-language {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
}

.ig-card-language .dropdown-menu {
    border: none;
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    min-width: 100px;
}

.ig-card-language .dropdown-item {
    font-family: var(--ig-font-primary);
    font-size: 14px;
    color: var(--ig-dark);
    padding: 8px 12px;
    border-radius: 0;
}

.ig-card-language .dropdown-item:hover,
.ig-card-language .dropdown-item.active {
    background-color: var(--ig-primary);
    color: var(--ig-dark);
}

.ig-card-language .btn-link {
    font-family: var(--ig-font-bold);
    font-size: 12px;
    color: var(--ig-dark);
    text-decoration: none;
    padding: 4px 8px;
    background: #ebecea;
    border-radius: 0;
}

.ig-card-language .btn-link:hover {
    background: var(--ig-primary);
}

.ig-text-center { 
    text-align: center; 
}

.ig-section {
    margin-bottom: var(--ig-spacing-xl);
}

.ig-btn {
    display: inline-block;
    padding: 10px 30px;
    font-family: var(--ig-font-black);
    font-size: 1rem;
    line-height: 24px;
    border: none;
    border-radius: var(--ig-radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

.ig-btn-primary { 
    background: var(--ig-primary); 
    color: var(--ig-dark); 
}

.ig-btn-primary:hover { 
    background: var(--ig-primary-hover); 
    color: white; 
}

.ig-btn-secondary { 
    background: var(--ig-gray-light); 
    color: var(--ig-dark); 
}

.ig-btn-secondary:hover { 
    background: var(--ig-gray-medium); 
}

.ig-btn-danger { 
    background: var(--ig-danger); 
    color: white; 
}

.ig-btn-danger:hover { 
    background: #c82333; 
}

.ig-btn-block { 
    display: block; 
    width: 100%; 
}

.ig-input-group { 
    margin-bottom: var(--ig-spacing-md); 
}

.ig-label { 
    display: block; 
    margin-bottom: var(--ig-spacing-xs); 
    font-family: var(--ig-font-black);
    font-weight: 800; 
    font-size: 14px;
    color: var(--ig-dark); 
}

.ig-input { 
    width: 100%; 
    padding: 10px; 
    background-color: var(--ig-gray-input);
    border: none; 
    border-radius: var(--ig-radius-md);
    font-family: var(--ig-font-primary);
    font-size: 1rem;
}

.ig-input:focus { 
    outline: none;
    background-color: var(--ig-gray-light);
}

.ig-input::placeholder {
    color: var(--ig-gray-medium);
    font-family: var(--ig-font-primary);
}

.ig-validation { 
    font-family: var(--ig-font-primary);
    color: var(--ig-danger); 
    font-size: 14px; 
    margin-top: var(--ig-spacing-xs); 
    display: block;
}

.ig-alert { 
    padding: var(--ig-spacing-md); 
    border-radius: var(--ig-radius-md); 
    margin-bottom: var(--ig-spacing-md); 
}

.ig-alert-success { 
    background: #d4edda; 
    color: #155724; 
    border: 1px solid #c3e6cb; 
}

.ig-alert-danger { 
    background: #f8d7da; 
    color: #721c24; 
    border: 1px solid #f5c6cb; 
}

.ig-alert-info { 
    background: #d1ecf1; 
    color: #0c5460; 
    border: 1px solid #bee5eb; 
}

.ig-alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.ig-alert-title {
    font-family: var(--ig-font-black);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.ig-code-display {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 0;
    padding: 15px;
    font-family: monospace;
    font-size: 16px;
    letter-spacing: 2px;
    word-break: break-all;
    text-align: center;
}

.ig-code-block {
    background: #f8f9fa;
    border: 2px solid #dee2e6;
    border-radius: 0;
    padding: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.ig-code-line {
    font-family: monospace;
    font-size: 16px;
    letter-spacing: 2px;
    padding: 5px 0;
    border-bottom: 1px solid #e9ecef;
}

.ig-code-line:last-child {
    border-bottom: none;
}

.ig-remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ig-remember-me input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
    width: 18px;
    height: 18px;
    accent-color: var(--ig-primary);
}

.ig-remember-me input[type="checkbox"]:checked {
    background-color: var(--ig-primary);
    border-color: var(--ig-primary);
}

.ig-remember-me label {
    font-family: var(--ig-font-primary);
    font-size: 14px;
    color: var(--ig-dark);
    cursor: pointer;
    margin: 0;
}

.ig-forgot-password {
    text-align: center;
    margin-top: 10px;
}

.ig-login-logo {
    width: 100%;
    height: auto;
    max-width: 280px;
}

@media (min-width: 768px) {
    .ig-container { 
        max-width: 500px; 
        width: 500px;
    }
    
    .ig-login-logo {
        margin-top: 30px;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .ig-card-language {
        top: 15px;
        right: 15px;
    }
    
    .ig-login-logo {
        margin-top: 30px;
        margin-bottom: 20px;
    }
    
    .ig-card .ig-input {
        width: 100%;
    }
    
    .ig-card .ig-btn-block {
        width: 100%;
    }
}