:root {
    --bg: #0d1117;
    --bg-secondary: #161b22;
    --text: #c9d1d9;
    --text-dim: #a0a8b2;
    --green: #3fb950;
    --blue: #58a6ff;
    --purple: #bc8cff;
    --yellow: #d29922;
    --cyan: #39c5cf;
    --red: #f85149;
    --border: #30363d;
}

[data-theme="light"] {
    --bg: #ffffff;
    --bg-secondary: #f6f8fa;
    --text: #24292f;
    --text-dim: #57606a;
    --green: #1a7f37;
    --blue: #0969da;
    --purple: #8250df;
    --yellow: #9a6700;
    --cyan: #1b7c83;
    --red: #cf222e;
    --border: #d0d7de;
}

/* Background Effects */
.bg-effect {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

/* Grid Background */
[data-bg="grid"] .terminal::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.3;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    [data-bg="grid"] .terminal::before {
        animation: none;
    }
    .cursor {
        animation: none;
        opacity: 1;
    }
}

/* Scanlines */
[data-bg="scanlines"] .terminal::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.1) 0px,
        rgba(0, 0, 0, 0.1) 1px,
        transparent 1px,
        transparent 2px
    );
    opacity: 0.5;
}

[data-bg="scanlines"] .exp-company,
[data-bg="scanlines"] .project-name,
[data-bg="scanlines"] a {
    text-shadow: 0 0 10px currentColor;
}

/* Matrix canvas handled by JS */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.15;
}

/* Particles canvas */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Mono', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 14px;
}

::selection {
    background: var(--green);
    color: var(--bg);
}

a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: #79c0ff;
    text-decoration: none;
}

/* Terminal Window */
.terminal {
    max-width: 900px;
    margin: 0 auto;
    min-height: 100vh;
}

.terminal-header {
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.red { background: #f85149; }
.terminal-btn.yellow { background: #d29922; }
.terminal-btn.green { background: #3fb950; }

.terminal-title {
    margin-left: 1rem;
    color: var(--text-dim);
    font-size: 0.8rem;
}

.terminal-nav {
    margin-left: auto;
    display: flex;
    gap: 0;
}

.terminal-nav a {
    color: var(--text-dim);
    font-size: 0.75rem;
    text-decoration: none;
    padding: 0.25rem 0.75rem;
    border: 1px solid transparent;
    border-bottom: none;
    transition: all 0.15s;
    position: relative;
}

.terminal-nav a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 25%;
    height: 50%;
    width: 1px;
    background: var(--border);
}

.terminal-nav a:last-child::after {
    display: none;
}

.terminal-nav a:hover {
    color: var(--green);
    background: var(--bg);
    border-color: var(--border);
    border-radius: 4px 4px 0 0;
    text-decoration: none;
}

.terminal-nav a.active {
    color: var(--green);
    background: var(--bg);
    border-color: var(--border);
    border-radius: 4px 4px 0 0;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1rem;
    padding: 0.25rem;
    margin-left: 1rem;
    transition: color 0.15s;
}

.theme-toggle:hover {
    color: var(--yellow);
}

/* Separator before theme toggle */
.terminal-nav::after {
    content: '';
    width: 1px;
    height: 50%;
    background: var(--border);
    align-self: center;
    margin-left: 0.5rem;
}

.terminal-body {
    padding: 2rem 1.5rem;
}

/* Prompt */
.prompt {
    color: var(--green);
}

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

.flag {
    color: var(--yellow);
}

.string {
    color: var(--cyan);
}

.comment {
    color: var(--text-dim);
}

/* Sections */
.section {
    margin-bottom: 3rem;
}

.cmd-line {
    margin-bottom: 1rem;
}

.output {
    margin-left: 0;
    margin-bottom: 2rem;
}

/* Cursor */
.cursor {
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--green);
    animation: blink 1s infinite;
    vertical-align: middle;
    margin-left: 2px;
}

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

/* Tree View */
.tree {
    margin: 1rem 0;
}

.tree-item {
    display: flex;
    gap: 0.5rem;
}

.tree-branch {
    color: var(--border);
}

.tree-dir {
    color: var(--blue);
}

.tree-file {
    color: var(--text-dim);
}

/* Experience */
.exp-item {
    margin-bottom: 1.5rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border);
    transition: border-color 0.2s;
}

.exp-item:hover {
    border-left-color: var(--green);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.exp-role {
    color: var(--text);
    font-weight: 500;
}

.exp-company {
    color: var(--blue);
}

.exp-date {
    color: var(--text-dim);
    font-size: 0.85rem;
}

.exp-desc {
    color: var(--text-dim);
    margin-bottom: 0.5rem;
}

.exp-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    color: var(--yellow);
}

.tag::before {
    content: '#';
    color: var(--text-dim);
}

/* Projects */
.project {
    margin-bottom: 1.25rem;
}

.project-name {
    color: var(--cyan);
    font-weight: 500;
}

.project-desc {
    color: var(--text-dim);
    margin: 0.25rem 0;
}

/* Blog/Notes items */
.blog-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.blog-status {
    color: var(--yellow);
    min-width: 80px;
}

.blog-title {
    color: var(--text);
}

/* Article list */
.article-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

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

.article-status {
    color: var(--yellow);
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

.article-title {
    color: var(--text);
    font-weight: 500;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.article-title a {
    color: var(--text);
}

.article-title a:hover {
    color: var(--blue);
}

.article-desc {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.article-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.article-tag {
    color: var(--text-dim);
    font-size: 0.75rem;
}

.article-tag::before {
    content: '#';
}

/* Log entries */
.log-entry {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-date {
    color: var(--yellow);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.log-title {
    color: var(--text);
    font-weight: 500;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.log-content {
    color: var(--text-dim);
    font-size: 0.9rem;
}

.log-content p {
    margin-bottom: 1rem;
}

.log-content p:last-child {
    margin-bottom: 0;
}

.log-tags {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.log-tag {
    color: var(--text-dim);
    font-size: 0.75rem;
}

.log-tag::before {
    content: '#';
}

/* Single article/note */
.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.article-meta {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.article-body {
    color: var(--text);
    line-height: 1.8;
}

.article-body h2 {
    color: var(--cyan);
    font-size: 1.1rem;
    margin: 2rem 0 1rem;
}

.article-body h3 {
    color: var(--text);
    font-size: 1rem;
    margin: 1.5rem 0 0.75rem;
}

.article-body p {
    margin-bottom: 1rem;
}

.article-body code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

.article-body pre {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
}

.article-body pre code {
    background: none;
    padding: 0;
}

.article-body ul, .article-body ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 2px solid var(--border);
    padding-left: 1rem;
    color: var(--text-dim);
    margin: 1rem 0;
}

/* Contact */
.contact-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.contact-label {
    color: var(--text-dim);
    min-width: 80px;
}

.copy-email {
    cursor: pointer;
}

.copy-toast {
    color: var(--green);
    font-size: 0.75rem;
    margin-left: 0.5rem;
    opacity: 0;
    transition: opacity 0.2s;
}

.copy-toast.show {
    opacity: 1;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-dim);
    font-size: 0.75rem;
    border-top: 1px solid var(--border);
    margin-top: 1rem;
}

/* Terminal Input */
.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.terminal-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: inherit;
    font-size: inherit;
    outline: none;
    caret-color: var(--green);
}

.terminal-input::placeholder {
    color: var(--text-dim);
    opacity: 0.5;
}

.terminal-output {
    display: none;
    margin-bottom: 1rem;
    padding: 0.5rem 0;
    white-space: pre-wrap;
    font-size: 0.9rem;
}

.terminal-output.success {
    color: var(--green);
}

.terminal-output.error {
    color: var(--red);
}

.terminal-output.help {
    color: var(--text-dim);
    border-left: 2px solid var(--border);
    padding-left: 1rem;
}

/* Responsive */
@media (max-width: 600px) {
    .terminal-header {
        padding: 1rem 1.25rem;
    }

    .terminal-title {
        flex: 1;
    }

    .theme-toggle {
        margin-left: auto;
    }

    .terminal-body {
        padding: 1.5rem 1rem;
    }

    .terminal-nav {
        display: none;
    }

    .terminal-nav::after {
        display: none;
    }

    .exp-header {
        flex-direction: column;
    }

    .terminal-input-line {
        display: none;
    }

    .terminal-output {
        display: none !important;
    }
}