/* Cloud Robotics Main Styles */

:root {
    --primary-dark: #1a1a2e;
    --secondary-dark: #0f0f1e;
    --accent-cloud: #4a9eff;
    --accent-azure: #0078d4;
    --accent-aws: #ff9900;
    --accent-google: #4285f4;
    --accent-nvidia: #76b900;
    --text-primary: #ffffff;
    --text-secondary: #b8b8c0;
    --text-muted: #6c6c75;
    --success: #4CAF50;
    --warning: #ff9800;
    --danger: #f44336;
    --border: rgba(255, 255, 255, 0.1);
    
    /* Additional variables for consistency */
    --background-card: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
    --accent-blue: #4a9eff;
    --accent-green: #4CAF50;
    --primary-medium: rgba(255, 255, 255, 0.05);
    
    /* Spacing variables */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    
    /* Error color */
    --error: #f44336;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1e 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.cloud-robotics-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.cloud-robotics-header {
    background: rgba(22, 33, 62, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #4a9eff;
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 2.5rem;
    animation: cloudFloat 3s ease-in-out infinite;
}

@keyframes cloudFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.logo-text h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #4a9eff, #76b900);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Navigation */
.main-nav {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.nav-btn.active {
    background: linear-gradient(135deg, #4a9eff, #0078d4);
    color: white;
    border-color: transparent;
}

/* Header Bottom Bar */
.header-bottom {
    max-width: 1400px;
    margin: 1rem auto 0;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quick-tip-inline {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.tip-label {
    font-size: 1rem;
}

.tip-text-carousel {
    position: relative;
    height: 1.5rem;
    overflow: hidden;
    flex: 1;
}

.tip-text {
    position: absolute;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    color: var(--text-secondary);
}

.tip-text.active {
    opacity: 1;
    transform: translateY(0);
}

.achievements-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.achievements-label {
    font-size: 1rem;
}

.achievement-icons {
    display: flex;
    gap: 0.5rem;
}

.achievement-mini {
    font-size: 1.2rem;
    opacity: 0.3;
    transition: all 0.3s ease;
    cursor: pointer;
}

.achievement-mini:hover {
    opacity: 1;
    transform: scale(1.2);
}

/* Fleet Visualization */
.fleet-visualization {
    position: relative;
    height: 400px;
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.05), rgba(118, 185, 0, 0.05));
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

.viz-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    z-index: 10;
    display: flex;
    gap: 0.5rem;
}

.viz-btn {
    padding: 0.5rem 1rem;
    background: rgba(26, 26, 46, 0.9);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.viz-btn:hover {
    background: var(--accent-cloud);
    color: white;
}

#cloud-viz-container {
    width: 100%;
    height: 100%;
}

.fleet-stats {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 2rem;
    background: rgba(26, 26, 46, 0.9);
    padding: 1rem 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.stat-card {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-cloud);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Main Content */
.cloud-robotics-main {
    flex: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
    width: 100%;
}

.content-section {
    display: none;
    animation: fadeIn 0.5s ease;
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #4a9eff, #76b900);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Platforms Grid */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.platform-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-cloud), var(--accent-azure));
}

.platform-card[data-platform="aws"]::before {
    background: var(--accent-aws);
}

.platform-card[data-platform="azure"]::before {
    background: var(--accent-azure);
}

.platform-card[data-platform="google"]::before {
    background: var(--accent-google);
}

.platform-card[data-platform="nvidia"]::before {
    background: var(--accent-nvidia);
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(74, 158, 255, 0.2);
}

/* Platform Card Button Styles */
.try-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: #4a9eff;
    border: 1px solid #4a9eff;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
}

.try-btn:hover {
    background: rgba(74, 158, 255, 0.1);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 158, 255, 0.3);
}

/* Simulation Section */
.simulation-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.sim-controls {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 10px;
    padding: 1.5rem;
}

.sim-controls h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-cloud);
}

.sim-config {
    margin-bottom: 1.5rem;
}

.sim-config label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.sim-config select,
.sim-config input {
    width: 100%;
    padding: 0.5rem;
    background: var(--primary-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: 5px;
}

.sim-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.sim-btn {
    flex: 1;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sim-btn.primary {
    background: linear-gradient(135deg, var(--accent-cloud), var(--accent-azure));
}

.sim-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 158, 255, 0.3);
}

.sim-metrics {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1rem;
}

.sim-metrics h4 {
    margin-bottom: 1rem;
    color: var(--accent-cloud);
    font-size: 0.9rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.9rem;
}

.sim-viewport {
    background: var(--secondary-dark);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

#simulation-3d {
    width: 100%;
    height: 100%;
    min-height: 500px;
}

.sim-overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(26, 26, 46, 0.9);
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.sim-status {
    color: var(--success);
    font-weight: 600;
}

.sim-analytics {
    margin-top: 3rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.sim-analytics h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-cloud);
}

/* Fleet Dashboard */
.fleet-dashboard {
    display: grid;
    gap: 2rem;
}

.fleet-map {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.fleet-map h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-cloud);
}

#world-map {
    height: 400px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 500"><rect fill="%23111" width="1000" height="500"/><text x="500" y="250" text-anchor="middle" fill="%23666" font-size="20">World Map Visualization</text></svg>');
    background-size: cover;
    border-radius: 10px;
}

.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.fleet-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
}

.fleet-card h4 {
    margin-bottom: 1rem;
    color: var(--accent-cloud);
}

.fleet-stats-mini {
    display: flex;
    justify-content: space-around;
}

.fleet-stats-mini .stat {
    text-align: center;
}

.fleet-controls {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.fleet-controls h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-cloud);
}

.command-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.fleet-cmd {
    padding: 1rem;
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.1), rgba(118, 185, 0, 0.1));
    border: 1px solid var(--border);
    color: white;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.fleet-cmd:hover {
    background: linear-gradient(135deg, var(--accent-cloud), var(--accent-azure));
    transform: translateY(-2px);
}

/* Architecture Section */
.architecture-patterns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pattern-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
}

.pattern-card h3 {
    margin-bottom: 1.5rem;
    color: var(--accent-cloud);
}

.pattern-diagram {
    margin: 2rem 0;
    padding: 2rem;
    background: var(--secondary-dark);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.arch-component {
    background: rgba(74, 158, 255, 0.2);
    border: 1px solid var(--accent-cloud);
    padding: 1rem;
    border-radius: 8px;
    margin: 0.5rem 0;
}

.arch-arrow {
    font-size: 1.5rem;
    color: var(--accent-cloud);
    margin: 0.5rem 0;
}

.arch-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: 1rem;
}

.service {
    background: rgba(118, 185, 0, 0.2);
    border: 1px solid var(--accent-nvidia);
    padding: 0.5rem;
    border-radius: 5px;
    font-size: 0.9rem;
}

.pattern-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent-cloud);
    border: none;
    color: white;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pattern-btn:hover {
    background: var(--accent-azure);
    transform: translateY(-2px);
}

/* Twin Architecture */
.twin-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.twin-physical,
.twin-digital {
    background: rgba(74, 158, 255, 0.2);
    border: 2px solid var(--accent-cloud);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    min-width: 130px;
    text-align: center;
    font-weight: 600;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.twin-physical:hover,
.twin-digital:hover {
    background: rgba(74, 158, 255, 0.3);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(74, 158, 255, 0.4);
}

.twin-connection {
    font-size: 2.5rem;
    color: var(--accent-cloud);
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.twin-services {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.edge-layer,
.fog-layer,
.cloud-layer {
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.2), rgba(118, 185, 0, 0.1));
    border: 1px solid var(--border);
    padding: 1rem;
    border-radius: 8px;
    margin: 0.5rem 0;
}

/* Analytics Dashboard */
.analytics-dashboard {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.analytics-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.chart-container {
    background: var(--secondary-dark);
    border-radius: 10px;
    padding: 1.5rem;
    position: relative;
    height: 300px;
    min-height: 300px;
    max-height: 400px;
}

.chart-container h3 {
    margin-bottom: 1rem;
    color: var(--accent-cloud);
    font-size: 1.1rem;
}

.chart-container canvas {
    max-height: 250px;
    width: 100% !important;
    height: auto !important;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.kpi-card {
    background: linear-gradient(135deg, rgba(74, 158, 255, 0.1), rgba(118, 185, 0, 0.1));
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
}

.kpi-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--accent-cloud);
    margin-bottom: 0.5rem;
}

.kpi-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Footer */
.cloud-robotics-footer {
    background: rgba(15, 15, 30, 0.95);
    border-top: 1px solid var(--border);
    padding: 3rem 0 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-cloud);
}

.footer-section a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .simulation-container {
        grid-template-columns: 1fr;
    }
    
    .analytics-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .fleet-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
    
    .command-grid {
        grid-template-columns: 1fr;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}