/* ===================================
   GPT + eFact - Standalone CSS
   Identidade Visual eFact
   Cyan: #00D9D9 | Navy: #001F5C
   =================================== */

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

:root {
    /* eFact Brand Colors */
    --primary: #00D9D9;
    --primary-dark: #00B8B8;
    --secondary: #001F5C;
    --secondary-light: #003399;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Dark Theme (default) */
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-card: #1f2937;
    --bg-card-hover: #374151;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: #374151;
    
    /* 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;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* 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-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(0, 217, 217, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Light Theme */
body.light {
    --bg-primary: #ffffff;
    --bg-secondary: #f3f4f6;
    --bg-card: #ffffff;
    --bg-card-hover: #f9fafb;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --border-color: #e5e7eb;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal);
}

body.light .header {
    background: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-light {
    display: none;
}

body.light .logo-dark {
    display: none;
}

body.light .logo-light {
    display: block;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-card-hover);
}

.icon-moon {
    display: none;
}

body.light .icon-sun {
    display: none;
}

body.light .icon-moon {
    display: block;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: var(--spacing-3xl);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(0, 217, 217, 0.1);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 217, 217, 0.3);
    margin-bottom: var(--spacing-md);
}

.badge-gold {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.text-primary {
    color: var(--primary);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-tagline {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.hero-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.metric-card {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    min-width: 120px;
}

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--primary);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover {
    background: rgba(0, 217, 217, 0.1);
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* ===================================
   OEE Dashboard
   =================================== */
.hero-dashboard {
    position: relative;
}

.oee-dashboard {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
}

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

.oee-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.oee-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alert-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.alert-btn:hover {
    background: var(--bg-card-hover);
}

.alert-count {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 18px;
    height: 18px;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.alert-count.hidden {
    display: none;
}

.machine-count {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.oee-image {
    position: relative;
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.factory-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    filter: brightness(0.8);
}

.oee-overlay {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(0, 217, 217, 0.9);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.oee-trend {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--secondary);
}

.oee-trend-label {
    font-size: var(--font-size-xs);
    color: var(--secondary);
    opacity: 0.8;
}

.oee-badge {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
}

.oee-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary);
}

.oee-label {
    font-size: var(--font-size-xs);
    color: white;
    opacity: 0.8;
}

.machines-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.machine-card {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.machine-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.machine-card.green { border-left: 3px solid var(--success); }
.machine-card.cyan { border-left: 3px solid var(--primary); }
.machine-card.yellow { border-left: 3px solid var(--warning); }
.machine-card.red { border-left: 3px solid var(--danger); }

.machine-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.machine-oee {
    font-size: var(--font-size-xl);
    font-weight: 800;
}

.machine-card.green .machine-oee { color: var(--success); }
.machine-card.cyan .machine-oee { color: var(--primary); }
.machine-card.yellow .machine-oee { color: var(--warning); }
.machine-card.red .machine-oee { color: var(--danger); }

.machine-sparkline {
    height: 30px;
    margin-top: var(--spacing-sm);
}

.sparkline-svg {
    width: 100%;
    height: 100%;
}

.sparkline-line {
    fill: none;
    stroke-width: 1.5;
}

.sparkline-area {
    opacity: 0.2;
}

.machine-tooltip {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    z-index: 100;
}

.machine-card:hover .machine-tooltip {
    opacity: 1;
    visibility: visible;
}

.tooltip-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.tooltip-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.tooltip-value {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.tooltip-bar {
    height: 4px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--spacing-xs);
}

.tooltip-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.tooltip-fill.blue { background: var(--info); }
.tooltip-fill.purple { background: #8B5CF6; }
.tooltip-fill.amber { background: var(--warning); }

.oee-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.green { background: var(--success); }
.dot.cyan { background: var(--primary); }
.dot.yellow { background: var(--warning); }
.dot.red { background: var(--danger); }
.dot.blue { background: var(--info); }
.dot.purple { background: #8B5CF6; }
.dot.amber { background: var(--warning); }

.line {
    width: 20px;
    height: 2px;
}

.line.red { background: var(--danger); }

/* Alert Panel */
.alert-panel {
    position: absolute;
    top: 0;
    right: calc(100% + var(--spacing-md));
    width: 320px;
    background: var(--bg-card);
    border: 1px solid var(--danger);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 100;
    animation: slideIn 0.3s ease;
}

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

.alert-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.alert-panel-header h4 {
    font-size: var(--font-size-sm);
    color: var(--danger);
}

.close-btn {
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    cursor: pointer;
}

.alert-list {
    max-height: 300px;
    overflow-y: auto;
}

.alert-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.alert-item:hover {
    background: var(--bg-secondary);
}

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

.alert-machine {
    font-weight: 600;
    color: var(--danger);
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.alert-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===================================
   Sections
   =================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Problems Grid */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.problem-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-fast);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.problem-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.problem-card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Causal Chain */
.causal-chain {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.causal-title {
    text-align: center;
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    color: var(--primary);
}

.causal-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.causal-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    min-width: 120px;
}

.causal-item.highlight {
    background: var(--primary);
    color: var(--secondary);
}

.causal-icon {
    font-size: 1.5rem;
}

.causal-arrow {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

/* Steps Timeline */
.steps-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.step-card {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.step-number {
    position: absolute;
    top: -15px;
    left: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: var(--secondary);
    font-size: var(--font-size-lg);
    font-weight: 800;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.step-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Book Section */
.book-section {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.book-image {
    position: relative;
    text-align: center;
}

.book-cover {
    max-width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.amazon-badge {
    display: inline-block;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: #FF9900;
    color: #111;
    font-weight: 600;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.amazon-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.book-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.book-author {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.book-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.book-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.highlight-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 217, 217, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

/* Produttare Section */
.produttare-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.produttare-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* Comparison Table */
.comparison-table {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.comparison-column {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.comparison-column.highlight {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.comparison-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.comparison-title.positive {
    color: var(--primary);
    border-color: var(--primary);
}

.comparison-title.negative {
    color: var(--text-muted);
}

.comparison-list {
    list-style: none;
}

.comparison-list li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-base);
}

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

.comparison-list li.positive {
    color: var(--text-primary);
}

.comparison-list li.negative {
    color: var(--text-muted);
}

/* Case Section */
.case-metrics {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.case-metric {
    text-align: center;
}

.case-value {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 800;
}

.case-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.case-charts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.chart-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    text-align: center;
}

.chart-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
}

.chart-oee {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    align-items: flex-end;
    height: 200px;
    position: relative;
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.bar {
    width: 60px;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: var(--spacing-sm);
    transition: height 1s ease;
}

.bar-before {
    background: linear-gradient(to top, #374151, #6b7280);
}

.bar-after {
    background: linear-gradient(to top, var(--primary), var(--primary-dark));
}

.bar-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: white;
}

.bar-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.chart-improvement {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.chart-losses {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    height: 200px;
    position: relative;
}

.loss-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-weight: 600;
}

.loss-before {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: white;
}

.loss-after {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    font-size: var(--font-size-sm);
}

.loss-arrow {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

.loss-reduction {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--success);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.chart-economic {
    height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.donut-chart {
    position: relative;
    width: 150px;
    height: 150px;
}

.donut-chart svg {
    width: 100%;
    height: 100%;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary);
}

.donut-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.economic-label {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ===================================
   Diagnostic Section
   =================================== */
.diagnostic-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-3xl);
}

.diagnostic-mascot {
    position: sticky;
    top: 100px;
}

.mascot-img {
    width: 100%;
    max-width: 250px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
}

.mascot-bubble {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.mascot-bubble::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 30px;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid var(--border-color);
}

.mascot-bubble p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.mascot-steps {
    display: flex;
    gap: var(--spacing-sm);
}

.step-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
}

.step-dot.active {
    background: var(--primary);
}

.diagnostic-form {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

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

.form-section h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.input-group label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
}

.input-group input,
.input-group select,
.input-group textarea {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.slider-group {
    margin-bottom: var(--spacing-xl);
}

.slider-group label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.slider-desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.slider {
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--bg-secondary);
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Diagnostic Result */
.diagnostic-result {
    margin-top: var(--spacing-3xl);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 2px solid var(--primary);
    animation: fadeIn 0.5s ease;
}

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

.diagnostic-result h3 {
    text-align: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-xl);
    color: var(--primary);
}

.result-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.result-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.result-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.result-value {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary);
}

.result-financial {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.financial-item {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.financial-label {
    display: block;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
}

.financial-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--primary);
}

.result-risks {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.result-risks h4 {
    color: var(--danger);
    margin-bottom: var(--spacing-md);
}

.result-risks ul {
    list-style: none;
}

.result-risks li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.result-risks li::before {
    content: '⚠️ ';
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Celebration */
.celebration {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    animation: fadeIn 0.3s ease;
}

.confetti-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    animation: confettiFall 3s linear forwards;
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

.celebration-content {
    text-align: center;
    z-index: 10;
}

.celebration-mascot {
    width: 150px;
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-lg);
    animation: bounce 0.5s ease infinite alternate;
}

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

.celebration-content h3 {
    font-size: var(--font-size-3xl);
    color: white;
    margin-bottom: var(--spacing-md);
}

.celebration-content p {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   Testimonials
   =================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    text-align: center;
}

.testimonial-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-lg);
    border: 3px solid var(--primary);
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-role {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===================================
   Contact Form
   =================================== */
.contact-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.full-width {
    grid-column: span 2;
}

.form-success {
    text-align: center;
    padding: var(--spacing-3xl);
    animation: fadeIn 0.5s ease;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.form-success h3 {
    font-size: var(--font-size-2xl);
    color: var(--success);
    margin-bottom: var(--spacing-md);
}

.form-success p {
    color: var(--text-secondary);
}

/* ===================================
   Footer Atualizado
   =================================== */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    gap: 3rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    height: 40px;
    margin-bottom: 1rem;
}

.footer-logo .logo-img {
    height: 100%;
    width: auto;
    max-width: 150px;
}

/* Mostrar o logo correto baseado no tema - PARA FOOTER TAMBÉM */
body.dark .footer-logo .logo-light,
body.light .footer-logo .logo-dark {
    display: none;
}

body.dark .footer-logo .logo-dark,
body.light .footer-logo .logo-light {
    display: block;
}

.footer-description {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 300px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--secondary);
    transform: translateY(-2px);
}

.footer-social svg {
    width: 1.25rem;
    height: 1.25rem;
}

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

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    cursor: pointer;
}

.footer-legal a:hover {
    color: var(--primary);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.footer-contact svg {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
    flex-shrink: 0;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
}

.footer-bottom svg {
    width: 1rem;
    height: 1rem;
}

/* ===================================
   Ajustes para responsividade do logo no footer
   =================================== */
@media (max-width: 768px) {
    .footer-logo .logo-img {
        max-width: 120px;
    }
    
    .footer-description {
        font-size: 0.9rem;
    }
}

/* ===================================
   Floating Assistant
   =================================== */
.floating-assistant {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 900;
}

.assistant-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
    border: 3px solid var(--primary);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-fast);
    animation: pulse 2s infinite;
}

.assistant-img:hover {
    transform: scale(1.1);
}

.assistant-bubble {
    position: absolute;
    bottom: calc(100% + var(--spacing-md));
    right: 0;
    width: 280px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
    display: none;
}

.assistant-bubble.active {
    display: block;
    animation: slideIn 0.3s ease;
}

.close-assistant {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    cursor: pointer;
}

.assistant-bubble p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.assistant-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===================================
   Modal
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: var(--font-size-lg);
}

.close-modal {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--text-muted);
    cursor: pointer;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* OEE Breakdown */
.oee-breakdown {
    margin-bottom: var(--spacing-xl);
}

.breakdown-item {
    margin-bottom: var(--spacing-md);
}

.breakdown-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
}

.breakdown-bar {
    height: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-normal);
}

.breakdown-fill.blue { background: var(--info); }
.breakdown-fill.purple { background: #8B5CF6; }
.breakdown-fill.amber { background: var(--warning); }

.breakdown-value {
    display: block;
    text-align: right;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

/* Causes Section */
.causes-section {
    margin-bottom: var(--spacing-xl);
}

.causes-section h4 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.causes-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cause-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.cause-name {
    flex: 1;
}

.cause-time {
    color: var(--text-muted);
    margin-right: var(--spacing-md);
}

.cause-impact {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.cause-impact.high {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.cause-impact.medium {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.cause-impact.low {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

/* Pareto Chart */
.pareto-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.pareto-section h4 {
    margin-bottom: var(--spacing-sm);
}

.pareto-hint {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.pareto-chart {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    height: 150px;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
}

.pareto-bar {
    flex: 1;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    position: relative;
    min-width: 30px;
    transition: height var(--transition-normal);
}

.pareto-bar.blue { background: var(--info); }
.pareto-bar.purple { background: #8B5CF6; }
.pareto-bar.amber { background: var(--warning); }

.pareto-bar-label {
    position: absolute;
    bottom: calc(100% + 5px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.pareto-line {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--danger);
}

.pareto-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

/* Recommendations */
.recommendations {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.recommendations h4 {
    color: var(--success);
    margin-bottom: var(--spacing-md);
}

.recommendations ul {
    list-style: none;
}

.recommendations li {
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.recommendations li::before {
    content: '→ ';
    color: var(--success);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-metrics {
        justify-content: center;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-dashboard {
        max-width: 500px;
        margin: 0 auto;
    }
    
    .alert-panel {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        right: auto;
    }
    
    .book-section {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .diagnostic-container {
        grid-template-columns: 1fr;
    }
    
    .diagnostic-mascot {
        position: static;
        text-align: center;
    }
    
    .mascot-img {
        max-width: 150px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-metrics {
        flex-direction: column;
        align-items: center;
    }
    
    .metric-card {
        width: 100%;
        max-width: 200px;
    }
    
    .machines-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        grid-template-columns: 1fr;
    }
    
    .case-metrics {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .case-charts {
        grid-template-columns: 1fr;
    }
    
    .result-financial {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .full-width {
        grid-column: span 1;
    }
    
    .input-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .produttare-features {
        grid-template-columns: 1fr;
    }
    
    .causal-flow {
        flex-direction: column;
    }
    
    .causal-arrow {
        transform: rotate(90deg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .machines-grid {
        grid-template-columns: 1fr;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .result-actions .btn {
        width: 100%;
    }
    
    .floating-assistant {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }
    
    .assistant-bubble {
        width: 250px;
        right: -10px;
    }
}

/* Print Styles */
@media print {
    .header,
    .floating-assistant,
    .hero-dashboard,
    .theme-toggle,
    .btn {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* ===================================
   Enhanced Charts - Case Section
   =================================== */
.chart-card-enhanced {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    text-align: center;
    overflow: hidden;
}

/* OEE Evolution Chart */
.chart-oee-enhanced {
    padding: var(--spacing-lg) 0;
}

.oee-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.oee-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.oee-circle-container {
    position: relative;
    width: 120px;
    height: 120px;
}

.oee-circle {
    width: 100%;
    height: 100%;
    transform: rotate(0deg);
}

.oee-bg {
    fill: none;
    stroke: var(--border-color);
    stroke-width: 10;
}

.oee-progress {
    fill: none;
    stroke-width: 10;
    stroke-linecap: round;
    transition: stroke-dasharray 1.5s ease;
}

.oee-progress-before {
    stroke: #6b7280;
}

.oee-progress-after {
    stroke: var(--primary);
    filter: drop-shadow(0 0 8px rgba(0, 217, 217, 0.5));
}

.oee-value-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.oee-percent {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--text-primary);
}

.oee-period {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.oee-status {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-weight: 500;
}

.status-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.status-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.oee-arrow-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.oee-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.oee-arrow svg {
    width: 60px;
    height: 24px;
    color: var(--primary);
}

.improvement-badge {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: var(--font-size-sm);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Losses Reduction Chart */
.chart-losses-enhanced {
    padding: var(--spacing-lg) 0;
}

.losses-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    height: 220px;
}

.loss-stack {
    display: flex;
    flex-direction: column;
    width: 100px;
    height: 180px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.loss-stack-before {
    background: #1e293b;
}

.loss-stack-after {
    width: 60px;
    height: 110px;
    background: #1e293b;
}

.loss-segment {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    transition: height 1s ease;
}

.loss-disp {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
}

.loss-perf {
    background: linear-gradient(135deg, #8B5CF6, #7C3AED);
}

.loss-qual {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.loss-icon {
    font-size: 14px;
}

.loss-type {
    font-size: 8px;
    color: white;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stack-label {
    position: absolute;
    bottom: -28px;
    left: 50%;
    transform: translateX(-50%);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.loss-reduction-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.loss-reduction-arrow svg {
    width: 80px;
    height: 40px;
    color: var(--primary);
}

.reduction-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--success), #059669);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.reduction-value {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: white;
}

.reduction-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive adjustments for enhanced charts */
@media (max-width: 768px) {
    .oee-comparison {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .oee-arrow-container {
        transform: rotate(90deg);
    }
    
    .oee-circle-container {
        width: 100px;
        height: 100px;
    }
    
    .oee-percent {
        font-size: var(--font-size-xl);
    }
    
    .losses-visual {
        flex-direction: column;
        height: auto;
        gap: var(--spacing-xl);
    }
    
    .loss-stack {
        width: 180px;
        height: 80px;
        flex-direction: row;
    }
    
    .loss-stack-after {
        width: 110px;
        height: 50px;
    }
    
    .loss-segment {
        flex-direction: row;
        width: auto;
        height: 100%;
    }
    
    .stack-label {
        bottom: auto;
        right: -60px;
        left: auto;
        transform: none;
    }
    
    .loss-reduction-arrow {
        transform: rotate(90deg);
    }
}

/* ===================================
   OEE Classe Mundial Box
   =================================== */
.oee-classe-mundial-box {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 217, 217, 0.1) 0%, rgba(0, 31, 92, 0.1) 100%);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.oee-box-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.oee-box-content {
    flex: 1;
}

.oee-box-content strong {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.oee-box-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.oee-meta-info {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    border-left: 4px solid var(--primary);
}

.oee-meta-info:empty {
    display: none;
}

/* Dark mode adjustments */
[data-theme="dark"] .oee-classe-mundial-box {
    background: linear-gradient(135deg, rgba(0, 217, 217, 0.15) 0%, rgba(0, 31, 92, 0.3) 100%);
}

[data-theme="dark"] .oee-meta-info {
    background: var(--bg-card);
}

@media (max-width: 768px) {
    .oee-classe-mundial-box {
        flex-direction: column;
        text-align: center;
    }
    
    .oee-box-icon {
        font-size: 2rem;
    }
}

/* ===================================
   Modais Legais
   =================================== */
.modal-legal {
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

.legal-content {
    padding: var(--spacing-md);
}

.legal-content h4 {
    color: var(--primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.legal-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
}

.legal-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.legal-content li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.legal-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Estilo específico para modais legais */
.modal-legal .modal-header {
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
}

.modal-legal .modal-body {
    padding: 0;
}

.modal-legal .modal-footer {
    position: sticky;
    bottom: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
}

/* ===================================
   Estilos para validação de formulário
   =================================== */
.input-group input.error,
.input-group select.error,
.input-group textarea.error {
    border-color: #EF4444;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.2);
}

.field-error {
    color: #EF4444;
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    animation: fadeIn 0.3s ease;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 2px;
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.form-checkbox label a {
    color: var(--primary);
    text-decoration: underline;
    transition: color var(--transition-fast);
}

.form-checkbox label a:hover {
    color: var(--primary-dark);
}

/* Estado de loading do botão */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* ===================================
   Language Selector
   =================================== */
.language-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.lang-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.lang-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
    min-width: 160px;
    z-index: 2000;
    overflow: hidden;
}

.lang-dropdown.show {
    display: flex;
}

.lang-dropdown button {
    background: transparent;
    border: none;
    padding: 12px 16px;
    text-align: left;
    cursor: pointer;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.lang-dropdown button:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.lang-flag {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

/* Ajuste para mobile */
@media (max-width: 767px) {
    .lang-btn span {
        display: none;
    }
    
    .lang-btn {
        padding: 8px;
        min-width: 44px;
        justify-content: center;
    }
    
    .lang-dropdown {
        right: -50%;
    }
}