* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}

:root {
    --bg-color: #000000;
    --text-color: #e0e0e0;
    --accent-color: #ff0000;
    --card-bg: #0a0a0a;
    --border-color: #330000;
    --nav-bg: #0f0f0f;
    --link-color: #ff3333;
    --success-color: #00ff00;
    --shadow-color: rgba(255, 0, 0, 0.1);
}

[data-theme="cyber"] {
    --bg-color: #020a10;
    --text-color: #00f0ff;
    --accent-color: #00f0ff;
    --card-bg: #04121f;
    --border-color: #00444d;
    --nav-bg: #030e16;
    --link-color: #00c8d4;
    --success-color: #00ff9d;
    --shadow-color: rgba(0, 240, 255, 0.2);
}

[data-theme="retro"] {
    --bg-color: #1a1200;
    --text-color: #ffb000;
    --accent-color: #ffb000;
    --card-bg: #261a00;
    --border-color: #4d3300;
    --nav-bg: #140e00;
    --link-color: #ffcc00;
    --success-color: #ffb000;
    --shadow-color: rgba(255, 176, 0, 0.2);
}

[data-theme="matrix"] {
    --bg-color: #000000;
    --text-color: #00ff00;
    --accent-color: #00ff00;
    --card-bg: #001100;
    --border-color: #003300;
    --nav-bg: #000a00;
    --link-color: #00cc00;
    --success-color: #00ff00;
    --shadow-color: rgba(0, 255, 0, 0.2);
}

[data-theme="solar"] {
    --bg-color: #fdf6e3;
    --text-color: #657b83;
    --accent-color: #cb4b16;
    --card-bg: #eee8d5;
    --border-color: #93a1a1;
    --nav-bg: #fdf6e3;
    --link-color: #268bd2;
    --success-color: #859900;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

[data-theme="midnight"] {
    --bg-color: #12001f;
    --text-color: #e0ccff;
    --accent-color: #d300ff;
    --card-bg: #1d0033;
    --border-color: #4b0082;
    --nav-bg: #0f001a;
    --link-color: #ff00ff;
    --success-color: #00ffcc;
    --shadow-color: rgba(211, 0, 255, 0.2);
}

[data-theme="slate"] {
    --bg-color: #222222;
    --text-color: #cccccc;
    --accent-color: #ff8800;
    --card-bg: #333333;
    --border-color: #444444;
    --nav-bg: #1a1a1a;
    --link-color: #ffa500;
    --success-color: #99ff33;
    --shadow-color: rgba(255, 136, 0, 0.2);
}

[data-theme="contrast"] {
    --bg-color: #ffffff;
    --text-color: #000000;
    --accent-color: #000000;
    --card-bg: #f0f0f0;
    --border-color: #000000;
    --nav-bg: #ffffff;
    --link-color: #000000;
    --success-color: #008000;
    --shadow-color: rgba(0, 0, 0, 0.2);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

nav {
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--accent-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
}

.theme-select {
    background: var(--card-bg);
    color: var(--text-color);
    border: 1px solid var(--accent-color);
    padding: 5px;
    font-family: monospace;
    cursor: pointer;
    outline: none;
    margin-left: 10px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

header h1 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 8px var(--shadow-color);
}

.dashboard-socials {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.social-btn {
    display: inline-block;
    padding: 5px 15px;
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-btn:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 10px var(--shadow-color);
}

main {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.content-page {
    display: block;
}

section {
    background: var(--card-bg);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    box-shadow: 0 0 10px var(--shadow-color);
    text-align: center;
    margin-bottom: 20px;
}

h2 {
    margin-bottom: 15px;
    color: var(--text-color);
    text-transform: uppercase;
    font-size: 1.1rem;
    letter-spacing: 1px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 5px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    text-align: left;
}

.project-mini-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    padding: 15px;
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-mini-card h3 {
    color: var(--accent-color);
    margin-bottom: 10px;
    font-size: 1.2rem;
    border: none;
    text-transform: none;
    letter-spacing: 0;
}

.status-badge {
    display: inline-block;
    font-size: 0.7rem;
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 2px 6px;
    margin-bottom: 10px;
    border-radius: 3px;
    text-transform: uppercase;
    width: fit-content;
    font-weight: bold;
}

[data-theme="contrast"] .status-badge {
    background: #000000;
    color: #ffffff;
    border: 1px solid #000000;
}

.project-mini-card p {
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

.status-online {
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: 0 0 5px var(--success-color);
}

.metric {
    font-size: 2rem;
}

.metric .value {
    font-weight: bold;
    color: var(--accent-color);
}

.blog-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.blog-post {
    background: var(--card-bg);
    padding: 30px;
    border: 1px solid var(--border-color);
    border-left: 2px solid var(--accent-color);
    text-align: left;
}

.blog-post h2 {
    color: var(--accent-color);
    border: none;
    font-size: 1.5rem;
}

.blog-post .meta {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.8rem;
    margin-bottom: 20px;
    font-family: monospace;
}

.blog-post .content p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

.about-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-img {
    width: 150px;
    height: 150px;
    min-width: 150px;
    min-height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 2px solid var(--accent-color);
    background-color: var(--card-bg);
    box-shadow: 0 0 20px var(--shadow-color);
    flex-shrink: 0;
}

.about-section .bio h2 {
    color: var(--accent-color);
    border: none;
}

.contact-section a {
    color: var(--link-color);
    text-decoration: none;
}

.contact-section a:hover {
    text-decoration: underline;
}

@media (min-width: 600px) {
    .about-section {
        flex-direction: row;
        text-align: left;
        gap: 30px;
    }
    
    .profile-img {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        width: 100%;
    }

    .theme-select {
        margin-left: 0;
        margin-top: 10px;
    }
}

@media (max-width: 600px) {
    main {
        grid-template-columns: 1fr;
    }

    .metric {
        font-size: 1.5rem;
    }

    header h1 {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-section {
        flex-direction: column;
        text-align: center;
    }

    .project-mini-card {
        padding: 10px;
    }
    
    .btn-view-notes, .social-btn {
        padding: 12px 20px;
        width: 100%;
        text-align: center;
        margin-bottom: 10px;
    }

    .nav-container {
        padding: 0 15px;
    }
    
    .nav-links {
        gap: 5px;
        justify-content: space-between;
    }

    .nav-links li {
        flex: 1 1 auto;
        text-align: center;
    }

    .nav-links a {
        padding: 8px 5px;
        display: block;
        font-size: 0.9rem;
        white-space: nowrap;
    }
    
    .theme-select {
        margin-left: 0;
        margin-top: 8px;
        width: auto;
        min-width: 120px;
        padding: 6px 10px;
        font-size: 0.85rem;
        text-align: center;
        border-radius: 4px;
    }
    
    .nav-links li:last-child {
        width: 100%;
        margin-top: 5px;
    }
    
    .model-viewer-container {
        height: 350px;
    }

    .images-container {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
    
    .gallery-img {
        height: 140px;
    }
}

.model-viewer-container {
    width: 100%;
    height: 500px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.model-viewer-container canvas {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
}

model-viewer {
    width: 100%;
    height: 100%;
    background-color: var(--card-bg);
    --poster-color: var(--card-bg);
}

.dashboard-cad-viewer {
    width: 100%;
    height: 200px;
    margin-bottom: 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.project-header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.project-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

.related-notes {
    margin-top: 40px;
}

.related-notes h3 {
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.step-viewer-container {
    width: 100%;
    min-height: 300px;
    height: auto;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--border-color);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    gap: 20px;
}

.cad-icon {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.btn-download {
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 12px 24px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-download:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px var(--shadow-color);
}

.dashboard-model-preview {
    width: 100%;
    height: 200px;
    margin-bottom: 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.btn-view-notes {
    display: inline-block;
    margin-top: 15px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s;
}

.btn-view-notes:hover {
    background: var(--accent-color);
    color: var(--bg-color);
    box-shadow: 0 0 10px var(--shadow-color);
}

.gallery-grid {
    margin-top: 40px;
}

.gallery-grid h3 {
    color: var(--accent-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.images-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.gallery-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s, border-color 0.2s;
}

.gallery-img:hover {
    transform: scale(1.02);
    border-color: var(--accent-color);
    box-shadow: 0 0 15px var(--shadow-color);
}

.module-selector {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: -15px;
    margin-bottom: 20px;
    background: var(--card-bg);
    padding: 10px;
    border: 1px solid var(--border-color);
}

.module-btn {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 5px 15px;
    cursor: pointer;
    font-family: monospace;
}

.module-btn:hover, .module-btn.active {
    background: var(--accent-color);
    color: var(--bg-color);
    border-color: var(--accent-color);
}

model-viewer {
    filter: sepia(100%) saturate(300%) hue-rotate(-50deg) brightness(0.8) contrast(1.2);
}

[data-theme="cyber"] model-viewer {
    filter: sepia(100%) saturate(300%) hue-rotate(180deg) brightness(1.1) contrast(1.2);
}

[data-theme="retro"] model-viewer {
    filter: sepia(100%) saturate(200%) hue-rotate(0deg) contrast(1.1);
}

[data-theme="matrix"] model-viewer {
    filter: sepia(100%) saturate(300%) hue-rotate(80deg) brightness(0.9) contrast(1.3);
}

[data-theme="midnight"] model-viewer {
    filter: sepia(100%) saturate(300%) hue-rotate(240deg) brightness(0.9) contrast(1.2);
}

[data-theme="solar"] model-viewer {
    filter: none;
}

[data-theme="slate"] model-viewer {
    filter: sepia(20%) saturate(50%) hue-rotate(180deg) contrast(1.1);
}

[data-theme="contrast"] model-viewer {
    filter: grayscale(100%) contrast(1.5) brightness(1.2);
}