/* =============================================
   CALCULADORA DE IMPORTAÇÃO - CSS PRINCIPAL
   Design Moderno, Fluido e Dopaminérgico
   ============================================= */

:root {
    /* Colors - Dopaminergic Palette */
    --primary-blue: #1a73e8;
    --primary-blue-dark: #1557b0;
    --primary-blue-light: #4285f4;
    --success-green: #34a853;
    --success-green-dark: #2d8e47;
    --warning-orange: #fbbc04;
    --warning-orange-dark: #f9ab00;
    --danger-red: #ea4335;
    --danger-red-dark: #d33b2c;
    
    /* Neutrals */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-gray: #e0e0e0;
    --text-dark: #202124;
    --text-light: #5f6368;
    --text-muted: #80868b;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warning: linear-gradient(135deg, #fc4a1a 0%, #f7b733 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 15px 35px rgba(0,0,0,0.1);
    --shadow-glow: 0 0 20px rgba(26, 115, 232, 0.3);
    
    /* Animation Timings */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* =============================================
   RESET & BASE STYLES
   ============================================= */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--gradient-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   LOADING SCREEN - DOPAMINERGIC ANIMATION
   ============================================= */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    text-align: center;
    color: var(--white);
}

.loading-spinner i {
    font-size: 4rem;
    margin-bottom: var(--space-lg);
    animation: truck-drive 2s ease-in-out infinite;
    display: block;
}

.loading-spinner p {
    font-size: var(--font-size-lg);
    font-weight: 500;
    opacity: 0.9;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes truck-drive {
    0%, 100% { transform: translateX(-10px) scale(1); }
    50% { transform: translateX(10px) scale(1.1); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.6; }
}

/* =============================================
   CONTAINER & LAYOUT
   ============================================= */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-lg);
    position: relative;
}

.main-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

/* =============================================
   HEADER - HERO SECTION
   ============================================= */

.header {
    background: var(--gradient-card);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl) var(--space-2xl);
    margin-bottom: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.header-content h1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s var(--transition-bounce);
}

.header-content h1 i {
    margin-right: var(--space-md);
    animation: bounce 2s infinite;
}

.header-content p {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s var(--transition-bounce) 0.2s both;
}

.badges {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s var(--transition-bounce) 0.4s both;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-normal);
    cursor: default;
}

.badge-primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.badge-success {
    background: var(--success-green);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.badge-warning {
    background: var(--warning-orange);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.badge:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

/* =============================================
   CARDS - GLASSMORPHISM EFFECT
   ============================================= */

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--light-gray);
}

.card-title i {
    font-size: var(--font-size-xl);
    padding: var(--space-sm);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* =============================================
   BUSINESS TYPE SELECTOR
   ============================================= */

.business-type-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.business-type {
    background: var(--gradient-card);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
}

.business-type::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    transition: all var(--transition-slow);
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.business-type:hover::before {
    width: 300px;
    height: 300px;
}

.business-type:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
}

.business-type.active {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, var(--white) 100%);
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(26, 115, 232, 0.2);
}

.business-type i {
    font-size: var(--font-size-3xl);
    color: var(--primary-blue);
    margin-bottom: var(--space-md);
    transition: all var(--transition-normal);
}

.business-type:hover i {
    transform: scale(1.2) rotate(5deg);
}

.business-type h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
}

.business-type p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

/* =============================================
   FORMS - MODERN INPUT DESIGN
   ============================================= */

.form-group {
    margin-bottom: var(--space-xl);
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--space-lg);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--white);
    transition: all var(--transition-normal);
    position: relative;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
    transform: translateY(-2px);
}

.help-text {
    display: block;
    margin-top: var(--space-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    line-height: 1.4;
}

.external-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.external-link:hover {
    color: var(--primary-blue-dark);
    text-decoration: underline;
}

/* =============================================
   RADIO GROUPS - ENHANCED DESIGN
   ============================================= */

.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.radio-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 2px solid var(--border-gray);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.radio-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(26, 115, 232, 0.1), transparent);
    transition: left var(--transition-slow);
}

.radio-option:hover::before {
    left: 100%;
}

.radio-option:hover {
    border-color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    margin: 0;
    accent-color: var(--primary-blue);
}

.radio-label {
    flex: 1;
}

.radio-label strong {
    display: block;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--space-xs);
}

.radio-label small {
    color: var(--text-light);
    font-size: var(--font-size-xs);
}

/* =============================================
   BUTTONS - CALL TO ACTION
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg) var(--space-2xl);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-bounce);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transition: all var(--transition-slow);
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-primary:active {
    transform: translateY(-2px) scale(1.02);
}

.btn i {
    font-size: var(--font-size-lg);
    transition: transform var(--transition-normal);
}

.btn:hover i {
    transform: scale(1.2);
}

/* =============================================
   TABS - NAVIGATION
   ============================================= */

.tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-sm);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.tabs::-webkit-scrollbar {
    display: none;
}

.tab {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--text-light);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    white-space: nowrap;
}

.tab::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.tab:hover {
    color: var(--primary-blue);
    background: rgba(26, 115, 232, 0.1);
}

.tab.active {
    color: var(--white);
    background: var(--gradient-primary);
    box-shadow: var(--shadow-sm);
}

.tab.active::before {
    width: 100%;
}

.tab i {
    font-size: var(--font-size-base);
    transition: transform var(--transition-normal);
}

.tab:hover i {
    transform: scale(1.1);
}

.tab-text {
    display: none;
}

/* =============================================
   TAB CONTENT
   ============================================= */

.tab-content {
    display: none;
    animation: fadeInUp 0.5s var(--transition-smooth);
}

.tab-content.active {
    display: block;
}

/* =============================================
   COST BREAKDOWN
   ============================================= */

.cost-breakdown {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin: var(--space-xl) 0;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-gray);
    transition: all var(--transition-fast);
}

.cost-item:last-child {
    border-bottom: none;
}

.cost-item:hover {
    background: rgba(26, 115, 232, 0.05);
    padding-left: var(--space-md);
    margin: 0 calc(-1 * var(--space-md));
    border-radius: var(--radius-sm);
}

.cost-item.total {
    border-top: 2px solid var(--primary-blue);
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--primary-blue);
}

/* =============================================
   ALERTS & NOTIFICATIONS
   ============================================= */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin: var(--space-lg) 0;
    border-left: 4px solid;
    animation: slideInLeft 0.5s var(--transition-bounce);
}

.alert-info {
    background: rgba(26, 115, 232, 0.1);
    border-left-color: var(--primary-blue);
    color: var(--primary-blue);
}

.alert-success {
    background: rgba(52, 168, 83, 0.1);
    border-left-color: var(--success-green);
    color: var(--success-green);
}

.alert-warning {
    background: rgba(251, 188, 4, 0.1);
    border-left-color: var(--warning-orange);
    color: var(--warning-orange);
}

.alert-danger {
    background: rgba(234, 67, 53, 0.1);
    border-left-color: var(--danger-red);
    color: var(--danger-red);
}

.alert i {
    font-size: var(--font-size-lg);
    margin-top: var(--space-xs);
}

/* =============================================
   TOASTS - FLOATING NOTIFICATIONS
   ============================================= */

.toast {
    position: fixed;
    top: var(--space-xl);
    right: var(--space-xl);
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid;
    z-index: var(--z-toast);
    transform: translateX(100%);
    transition: all var(--transition-bounce);
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left-color: var(--success-green);
}

.toast-error {
    border-left-color: var(--danger-red);
}

.toast i {
    font-size: var(--font-size-lg);
    color: inherit;
}

.toast-message {
    flex: 1;
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.toast-close:hover {
    background: var(--light-gray);
}

/* =============================================
   FOOTER
   ============================================= */

.footer {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-top: var(--space-3xl);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.footer-content p {
    color: var(--text-light);
    margin-bottom: var(--space-sm);
}

.disclaimer {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-gray);
}

/* =============================================
   ANIMATIONS & KEYFRAMES
   ============================================= */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -8px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -4px, 0);
    }
    90% {
        transform: translate3d(0, -2px, 0);
    }
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 1200px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: var(--space-md);
    }
}

@media (max-width: 768px) {
    .header-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .header-content p {
        font-size: var(--font-size-base);
    }
    
    .badges {
        gap: var(--space-sm);
    }
    
    .business-type-selector {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .radio-group {
        grid-template-columns: 1fr;
    }
    
    .tab-text {
        display: inline;
    }
    
    .tabs {
        padding: var(--space-xs);
    }
    
    .tab {
        flex-direction: column;
        gap: var(--space-xs);
        padding: var(--space-md);
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .card-title {
        font-size: var(--font-size-xl);
        flex-direction: column;
        text-align: center;
        gap: var(--space-sm);
    }
    
    .toast {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--space-sm);
    }
    
    .header {
        padding: var(--space-xl) var(--space-lg);
    }
    
    .header-content h1 {
        font-size: var(--font-size-2xl);
    }
    
    .card {
        padding: var(--space-md);
    }
    
    .btn {
        width: 100%;
        padding: var(--space-lg);
    }
}

/* =============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for better accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible,
a:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* =============================================
   PRINT STYLES
   ============================================= */

@media print {
    .loading-screen,
    .toast,
    .btn {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-gray);
    }
    
    .header {
        background: var(--white);
    }
}

/* =============================================
   DARK MODE SUPPORT (Future Enhancement)
   ============================================= */

@media (prefers-color-scheme: dark) {
    :root {
        --white: #1f1f1f;
        --light-gray: #2d2d2d;
        --border-gray: #404040;
        --text-dark: #ffffff;
        --text-light: #b3b3b3;
        --text-muted: #8a8a8a;
    }
}

/* =============================================
   UTILITIES
   ============================================= */

.hidden { display: none !important; }
.visible { display: block !important; }
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }
.fw-bold { font-weight: 700 !important; }
.fw-normal { font-weight: 400 !important; }
.text-primary { color: var(--primary-blue) !important; }
.text-success { color: var(--success-green) !important; }
.text-warning { color: var(--warning-orange) !important; }
.text-danger { color: var(--danger-red) !important; }
.text-muted { color: var(--text-muted) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--space-xs) !important; }
.mb-2 { margin-bottom: var(--space-sm) !important; }
.mb-3 { margin-bottom: var(--space-md) !important; }
.mb-4 { margin-bottom: var(--space-lg) !important; }
.mb-5 { margin-bottom: var(--space-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--space-xs) !important; }
.mt-2 { margin-top: var(--space-sm) !important; }
.mt-3 { margin-top: var(--space-md) !important; }
.mt-4 { margin-top: var(--space-lg) !important; }
.mt-5 { margin-top: var(--space-xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--space-xs) !important; }
.p-2 { padding: var(--space-sm) !important; }
.p-3 { padding: var(--space-md) !important; }
.p-4 { padding: var(--space-lg) !important; }
.p-5 { padding: var(--space-xl) !important; }