/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #1a1a1a;
    --tertiary-bg: #2a2a2a;
    --accent-blue: #00d4ff;
    --accent-green: #39ff14;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #606060;
    --border-color: #333333;
    --success-color: #39ff14;
    --error-color: #ff4444;
    --warning-color: #ffaa00;
    --window-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
    --terminal-font: 'JetBrains Mono', 'Courier New', monospace;
    --ui-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    font-family: var(--ui-font);
    background: var(--primary-bg);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    user-select: none;
}

/* Boot Loader Styles */
.boot-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeOut 1s ease-in-out 5s forwards;
}

.boot-content {
    text-align: center;
    max-width: 600px;
    padding: 2rem;
}

.logo {
    margin-bottom: 3rem;
}

.logo-text {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-family: var(--terminal-font);
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.version {
    display: block;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-family: var(--terminal-font);
}

.boot-progress {
    margin-bottom: 2rem;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--tertiary-bg);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
    width: 0%;
    animation: loadProgress 4s ease-in-out forwards;
}

.boot-text {
    font-family: var(--terminal-font);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.boot-logs {
    text-align: left;
    font-family: var(--terminal-font);
    font-size: 0.8rem;
    color: var(--text-secondary);
    max-height: 150px;
    overflow: hidden;
}

.log-line {
    opacity: 0;
    animation: fadeInLog 0.5s ease-in-out forwards;
    margin-bottom: 0.25rem;
}

.log-line:nth-child(1) { animation-delay: 1s; }
.log-line:nth-child(2) { animation-delay: 1.5s; }
.log-line:nth-child(3) { animation-delay: 2s; }
.log-line:nth-child(4) { animation-delay: 2.5s; }
.log-line:nth-child(5) { animation-delay: 3s; }
.log-line:nth-child(6) { animation-delay: 4s; }

.status-ok {
    color: var(--success-color);
    font-weight: bold;
}

/* Desktop Styles */
.desktop {
    width: 100%;
    height: 100vh;
    position: relative;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(57, 255, 20, 0.1) 0%, transparent 50%);
    display: none;
}

.desktop-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23333" stroke-width="0.5" opacity="0.3"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.1;
}

/* Desktop Icons */
.desktop-icons {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    z-index: 1;
}

.desktop-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 80px;
}

.desktop-icon:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.desktop-icon i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.desktop-icon:hover i {
    color: var(--accent-green);
    text-shadow: 0 0 10px currentColor;
}

.desktop-icon span {
    font-size: 0.8rem;
    color: var(--text-primary);
    text-align: center;
    font-weight: 500;
}

/* Window Styles */
.window {
    position: absolute;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--window-shadow);
    min-width: 400px;
    min-height: 300px;
    z-index: 100;
    backdrop-filter: blur(10px);
    animation: windowAppear 0.3s ease-out;
}

.window.maximized {
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: calc(100% - 50px) !important;
    border-radius: 0;
}

.window.minimized {
    opacity: 0;
    transform: scale(0.1);
    pointer-events: none;
}

.window-header {
    height: 40px;
    background: linear-gradient(135deg, var(--tertiary-bg), var(--secondary-bg));
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    cursor: move;
    border-radius: 8px 8px 0 0;
}

.window-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.window-controls {
    display: flex;
    gap: 0.5rem;
}

.window-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
}

.window-control.close {
    background: #ff5f56;
}

.window-control.minimize {
    background: #ffbd2e;
}

.window-control.maximize {
    background: #27ca3f;
}

.window-control:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px currentColor;
}

.window-content {
    padding: 1.5rem;
    height: calc(100% - 40px);
    overflow-y: auto;
    color: var(--text-primary);
}

.window-content::-webkit-scrollbar {
    width: 8px;
}

.window-content::-webkit-scrollbar-track {
    background: var(--tertiary-bg);
}

.window-content::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 4px;
}

/* Terminal Window Styles */
.terminal-window .window-content {
    padding: 1rem;
    background: #000000;
    font-family: var(--terminal-font);
    font-size: 0.9rem;
    line-height: 1.4;
}

.terminal-output {
    color: var(--accent-green);
    margin-bottom: 1rem;
    min-height: 200px;
    max-height: 300px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

.terminal-prompt {
    color: var(--accent-blue);
    margin-right: 0.5rem;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--terminal-font);
    font-size: 0.9rem;
}

.cursor {
    display: inline-block;
    width: 8px;
    height: 1rem;
    background: var(--accent-green);
    animation: blink 1s infinite;
}

/* About Me Window */
.about-content {
    text-align: center;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-bg);
    overflow: hidden;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.about-text {
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    padding: 0.5rem 1rem;
    background: var(--tertiary-bg);
    border: 1px solid var(--accent-blue);
    border-radius: 4px;
    color: var(--accent-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-blue);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.resume-section {
    display: flex;
    justify-content: center;
    margin: 2rem 0;
}

.resume-btn {
    padding: 0.75rem 2rem;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    border: none;
    border-radius: 8px;
    color: var(--primary-bg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.resume-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.resume-btn i {
    font-size: 1.1rem;
}

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

.project-card {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tech-tag {
    background: var(--accent-blue);
    color: var(--primary-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    color: var(--accent-green);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Skills Window */
.skills-categories {
    display: grid;
    gap: 2rem;
}

.skill-category {
    background: var(--tertiary-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.skill-category h3 {
    color: var(--accent-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.skill-item {
    background: var(--secondary-bg);
    border: 1px solid var(--accent-green);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    color: var(--accent-green);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: var(--accent-green);
    color: var(--primary-bg);
    transform: scale(1.05);
}

/* Education Timeline Styles */
.education-timeline {
    position: relative;
    padding-left: 2rem;
}

.education-timeline::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-blue), var(--accent-green));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid var(--secondary-bg);
    box-shadow: 0 0 0 3px var(--accent-blue);
}

.timeline-date {
    display: inline-block;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    color: var(--primary-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.timeline-content {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.2);
}

.degree-info h3 {
    color: var(--accent-blue);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.institution {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.location {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.gpa {
    color: var(--accent-green);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.coursework,
.achievements {
    margin-top: 1.5rem;
}

.coursework h4,
.achievements h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.courses-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.course-tag {
    background: var(--secondary-bg);
    border: 1px solid var(--accent-blue);
    border-radius: 15px;
    padding: 0.4rem 0.8rem;
    color: var(--accent-blue);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.course-tag:hover {
    background: var(--accent-blue);
    color: var(--primary-bg);
    transform: scale(1.05);
}

.achievements ul {
    list-style: none;
    padding: 0;
}

.achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.achievements li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-size: 0.8rem;
}

/* Certifications Window */
.certifications-list {
    display: grid;
    gap: 1rem;
}

.certification-item {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-blue);
    border-radius: 4px;
    padding: 1rem;
    transition: all 0.3s ease;
}

.certification-item:hover {
    border-left-color: var(--accent-green);
    transform: translateX(5px);
}

.cert-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-issuer {
    color: var(--accent-blue);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.cert-date {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Contact Window */
.contact-content {
    max-width: 400px;
    margin: 0 auto;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

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

.form-group input,
.form-group textarea {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--ui-font);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.2);
}

.submit-btn {
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    border: none;
    border-radius: 4px;
    padding: 0.75rem 1.5rem;
    color: var(--primary-bg);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

/* Taskbar */
.taskbar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.taskbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.start-button {
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    border-radius: 4px;
    padding: 0.5rem 1rem;
    color: var(--primary-bg);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.start-button:hover {
    transform: scale(1.05);
}

.taskbar-apps {
    display: flex;
    gap: 0.5rem;
}

.taskbar-app {
    background: var(--tertiary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 150px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.taskbar-app:hover {
    background: var(--accent-blue);
    color: var(--primary-bg);
}

.taskbar-app.active {
    border-color: var(--accent-blue);
    background: rgba(0, 212, 255, 0.2);
}

.taskbar-right {
    display: flex;
    align-items: center;
}

.system-tray {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.tray-item {
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.tray-item:hover {
    color: var(--accent-blue);
}

/* Animations */
@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes loadProgress {
    to {
        width: 100%;
    }
}

@keyframes fadeInLog {
    to {
        opacity: 1;
    }
}

@keyframes windowAppear {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Start Menu Styles */
.start-menu {
    position: fixed;
    bottom: 55px;
    left: 10px;
    width: 350px;
    max-height: 600px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 10000;
    backdrop-filter: blur(20px);
    animation: startMenuAppear 0.2s ease-out;
    overflow: hidden;
}

.start-menu-header {
    background: linear-gradient(135deg, var(--tertiary-bg), var(--secondary-bg));
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--accent-blue), var(--accent-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    font-size: 1.5rem;
}

.user-details {
    flex: 1;
}

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

.user-status {
    color: var(--accent-green);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.start-menu-apps {
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem 0;
}

.start-menu-apps::-webkit-scrollbar {
    width: 6px;
}

.start-menu-apps::-webkit-scrollbar-track {
    background: var(--tertiary-bg);
}

.start-menu-apps::-webkit-scrollbar-thumb {
    background: var(--accent-blue);
    border-radius: 3px;
}

.menu-section {
    margin-bottom: 1rem;
}

.section-title {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.app-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.app-item:hover {
    background: var(--tertiary-bg);
    border-left: 3px solid var(--accent-blue);
}

.app-item i {
    width: 20px;
    text-align: center;
    color: var(--accent-blue);
    font-size: 1.1rem;
}

.app-item span {
    font-weight: 500;
    font-size: 0.9rem;
}

.start-menu-footer {
    border-top: 1px solid var(--border-color);
    background: var(--tertiary-bg);
}

.power-options {
    display: flex;
    padding: 0.5rem;
}

.power-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem 0.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.power-item:hover {
    background: var(--secondary-bg);
    color: var(--accent-blue);
}

.power-item i {
    font-size: 1.2rem;
}

.power-item span {
    font-size: 0.7rem;
    font-weight: 500;
}

@keyframes startMenuAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-icons {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
        top: 1rem;
        left: 1rem;
        right: 1rem;
    }

    .desktop-icon {
        width: auto;
        padding: 0.5rem;
    }

    .window {
        min-width: 90vw;
        min-height: 70vh;
        top: 10vh !important;
        left: 5vw !important;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .taskbar-apps {
        display: none;
    }

    .start-button span {
        display: none;
    }

    .system-tray {
        gap: 0.5rem;
    }

    .tray-item {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .window-content {
        padding: 1rem;
    }

    .about-content .profile-image {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }

    .project-card {
        padding: 1rem;
    }

    .skill-category {
        padding: 1rem;
    }

    .contact-content {
        padding: 0;
    }
}