/* ==========================================================================
   Mobile Styles - Laser Cut SaaS
   Premium Industrial UI - Mobile First
   ========================================================================== */

/* CSS Variables */
:root {
    /* Primary Colors - Industrial Orange */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --primary-light: #FF8F66;
    
    /* Secondary Colors - Steel Blue */
    --secondary: #2D3A4A;
    --secondary-dark: #1E2832;
    --secondary-light: #4A5A6A;
    
    /* Accent Colors */
    --accent-success: #10B981;
    --accent-warning: #F59E0B;
    --accent-danger: #EF4444;
    --accent-info: #3B82F6;
    
    /* Neutral Colors */
    --bg-primary: #F8F9FA;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #6B7280;
    --text-muted: #9CA3AF;
    --border-color: #E5E7EB;
    --border-light: #F3F4F6;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    
    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    
    /* Z-index */
    --z-topbar: 100;
    --z-bottom-nav: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
}

.mobile-body {
    padding-top: 56px;
    padding-bottom: 72px;
}

/* Top Bar */
.mobile-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-md);
    z-index: var(--z-topbar);
}

.topbar-left, .topbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.topbar-center {
    flex: 1;
    text-align: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-md);
    position: relative;
    transition: background var(--transition-fast);
}

.icon-btn:active {
    background: var(--bg-primary);
}

.icon-btn .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    background: var(--primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Main Content */
.mobile-content {
    padding: var(--space-md);
}

/* Search */
.search-container {
    position: relative;
    margin-bottom: var(--space-lg);
}

.search-input {
    width: 100%;
    height: 48px;
    padding: 0 var(--space-md) 0 48px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Sections */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.link-primary {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
}

/* Categories */
.categories-section {
    margin-bottom: var(--space-xl);
}

.categories-scroll {
    display: flex;
    gap: var(--space-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-sm);
}

.categories-scroll::-webkit-scrollbar {
    display: none;
}

.category-card {
    flex: 0 0 auto;
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    scroll-snap-align: start;
}

.category-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
    transition: all var(--transition-fast);
}

.category-card:active .category-icon {
    border-color: var(--primary);
    background: rgba(255, 107, 53, 0.05);
}

.category-card span {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-align: center;
}

/* Products */
.products-section {
    margin-bottom: var(--space-xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.product-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.product-card:active {
    transform: scale(0.98);
}

.product-image {
    position: relative;
    aspect-ratio: 1;
    background: var(--bg-primary);
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 4px 8px;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
}

.badge-destaque {
    background: var(--primary);
    color: white;
}

.badge-novo {
    background: var(--accent-success);
    color: white;
}

.badge-promo {
    background: var(--accent-danger);
    color: white;
}

.product-info {
    padding: var(--space-md);
}

.product-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
}

.product-price-old {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-decoration: line-through;
    margin-left: var(--space-xs);
}

.btn-icon-primary {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-icon-primary:active {
    background: var(--primary-dark);
}

/* Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.promo-content {
    text-align: center;
    color: white;
}

.promo-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.promo-content p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--space-md);
}

.btn-secondary-small {
    display: inline-block;
    padding: 8px 20px;
    background: white;
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.btn-secondary-small:active {
    transform: scale(0.95);
}

/* Bottom Navigation */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-around;
    padding: 0 var(--space-sm);
    z-index: var(--z-bottom-nav);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-md);
    text-decoration: none;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav-item span {
    font-size: 0.625rem;
    font-weight: 500;
    margin-top: 4px;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.active svg {
    stroke: var(--primary);
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 52px;
    padding: 0 var(--space-lg);
    background: var(--primary);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:active {
    background: var(--primary-dark);
    transform: scale(0.98);
}

.btn-primary:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 52px;
    padding: 0 var(--space-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:active {
    border-color: var(--primary);
    transform: scale(0.98);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 52px;
    padding: 0 var(--space-lg);
    background: transparent;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid var(--primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-outline:active {
    background: rgba(255, 107, 53, 0.1);
    transform: scale(0.98);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    height: 52px;
    padding: 0 var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input.error {
    border-color: var(--accent-danger);
}

.form-error {
    font-size: 0.75rem;
    color: var(--accent-danger);
    margin-top: var(--space-xs);
}

.form-textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    resize: vertical;
    font-family: inherit;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-select {
    width: 100%;
    height: 52px;
    padding: 0 var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-card);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-info);
}

.badge-neutral {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

/* List Items */
.list-item {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
}

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

.list-item:active {
    background: var(--bg-primary);
}

.list-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-right: var(--space-md);
    flex-shrink: 0;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.list-item-subtitle {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.list-item-action {
    color: var(--text-muted);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: 100%;
    max-height: 90vh;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-lg);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-handle {
    width: 40px;
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-lg);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 72px;
    left: var(--space-md);
    right: var(--space-md);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    display: flex;
    align-items: center;
    padding: var(--space-md);
    background: var(--secondary);
    color: white;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast-success {
    background: var(--accent-success);
}

.toast-error {
    background: var(--accent-danger);
}

.toast-warning {
    background: var(--accent-warning);
}

/* Loading */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-md);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--space-lg);
}

/* Divider */
.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--space-md) 0;
}

.divider-text {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.divider-text::before,
.divider-text::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* Quantity Selector */
.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quantity-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.quantity-btn:active {
    background: var(--border-color);
}

.quantity-value {
    min-width: 40px;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
}

/* Price Display */
.price-display {
    display: flex;
    flex-direction: column;
}

.price-current {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.price-original {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: line-through;
}

/* Progress Steps */
.progress-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-secondary);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
}

.progress-step::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--border-color);
}

.progress-step:last-child::after {
    display: none;
}

.progress-step.completed::after {
    background: var(--primary);
}

.step-indicator {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}

.progress-step.active .step-indicator {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.progress-step.completed .step-indicator {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.step-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.progress-step.active .step-label {
    color: var(--primary);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--accent-success); }
.text-warning { color: var(--accent-warning); }
.text-danger { color: var(--accent-danger); }
.text-accent { color: var(--primary); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }

.hidden { display: none; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }