/* Local Robotics Main Styles */

:root {
    --primary-dark: #1a1a2e;
    --secondary-dark: #0f0f1e;
    --accent-robotics: #00d4aa;
    --accent-hardware: #ff6b6b;
    --accent-vision: #4a9eff;
    --accent-ai: #9b59b6;
    --text-primary: #ffffff;
    --text-secondary: #b8b8c0;
    --text-muted: #6c6c75;
    --success: #4CAF50;
    --warning: #ff9800;
    --danger: #f44336;
    --border: rgba(255, 255, 255, 0.1);
}

* {
    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;
}

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

/* Header Styles */
.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: float 3s ease-in-out infinite;
}

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

.logo-text h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #00d4aa, #4a9eff);
    -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, #00d4aa, #00a896);
    color: white;
    border-color: transparent;
}

/* User Progress */
.user-progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-ring {
    position: relative;
    width: 50px;
    height: 50px;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    font-weight: bold;
}

.progress-info {
    display: flex;
    flex-direction: column;
}

.level {
    font-weight: 600;
    color: var(--accent-robotics);
}

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

/* Header Bottom */
.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;
    transition: opacity 0.5s ease;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.tip-text.active {
    opacity: 1;
}

.achievements-inline {
    display: flex;
    align-items: center;
    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);
}

/* 3D Robot Viewer */
.robot-3d-viewer {
    position: relative;
    height: 100%;
    min-height: 500px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(74, 158, 255, 0.1));
    overflow: hidden;
}

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

.viewer-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;
}

.viewer-btn:hover {
    background: var(--accent-robotics);
    color: white;
}

#threejs-container {
    width: 100%;
    height: 100%;
}

/* Main Content */
.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, #00d4aa, #4a9eff);
    -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-robotics), var(--accent-vision));
}

.platform-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 212, 170, 0.2);
}

.platform-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.platform-logo {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--accent-robotics), var(--accent-vision));
    border-radius: 8px;
}

.logo-text {
    font-weight: bold;
    font-size: 1.1rem;
}

.platform-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.platform-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.platform-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: rgba(0, 212, 170, 0.1);
    border: 1px solid rgba(0, 212, 170, 0.3);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--accent-robotics);
}

.platform-strengths,
.unique-features {
    margin-bottom: 1.5rem;
}

.platform-strengths h4,
.unique-features h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.platform-strengths ul,
.unique-features ul {
    list-style: none;
}

.platform-strengths li,
.unique-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.platform-actions {
    display: flex;
    gap: 1rem;
}

/* Button styles now provided by unified-styles.css */

/* Hardware Section */
.hardware-container {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
}

.hardware-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.filter-btn.active {
    background: var(--accent-robotics);
    color: white;
    border-color: transparent;
}

.hardware-table-container {
    overflow-x: auto;
}

.hardware-table {
    width: 100%;
    border-collapse: collapse;
}

.hardware-table th,
.hardware-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.hardware-table th {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: var(--accent-robotics);
}

.hardware-table td {
    color: var(--text-secondary);
}

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

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

.control-group {
    margin-bottom: 1.5rem;
}

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

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

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

.sim-btn {
    flex: 1;
    padding: 0.5rem;
    background: var(--accent-robotics);
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sim-btn:hover {
    background: var(--accent-vision);
}

.code-editor {
    margin-top: 2rem;
}

.code-editor h4 {
    margin-bottom: 1rem;
    color: var(--accent-robotics);
}

#robot-code {
    width: 100%;
    height: 200px;
    padding: 1rem;
    background: var(--secondary-dark);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    border-radius: 5px;
    resize: vertical;
}

.run-code-btn {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--accent-robotics), var(--accent-vision));
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.run-code-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 212, 170, 0.3);
}

.simulator-viewport {
    background: var(--secondary-dark);
    border-radius: 10px;
    min-height: 500px;
    height: 500px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    text-align: center;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 212, 170, 0.2);
}

.project-image {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--accent-robotics), var(--accent-vision));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-icon {
    font-size: 3rem;
}

.project-card h3 {
    margin-bottom: 0.5rem;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 10px;
    font-size: 0.8rem;
}

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

.project-btn:hover {
    background: var(--accent-vision);
}

/* Resources Section */
.resources-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.resource-category {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    padding: 1.5rem;
}

.resource-category h3 {
    margin-bottom: 1rem;
    color: var(--accent-robotics);
}

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

.resource-list li {
    padding: 0.5rem 0;
}

.resource-list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.resource-list a:hover {
    color: var(--accent-robotics);
}

/* Footer */
.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-robotics);
}

.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;
}

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

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .simulator-container {
        grid-template-columns: 1fr;
    }
    
    .simulator-controls {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .code-editor {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .main-nav {
        width: 100%;
        justify-content: center;
    }
    
    .user-progress {
        width: 100%;
        justify-content: center;
    }
    
    .platforms-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .resources-container {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}