:root {
    /* Gruvbox dark palette */
    --bg0: #282828;
    --bg0-hard: #1d2021;
    --bg1: #3c3836;
    --bg2: #504945;
    --bg3: #665c54;
    --bg4: #7c6f64;
    
    --fg0: #fbf1c7;
    --fg1: #ebdbb2;
    --fg2: #d5c4a1;
    --fg3: #bdae93;
    --fg4: #a89984;
    
    --red: #fb4934;
    --green: #b8bb26;
    --yellow: #fabd2f;
    --blue: #83a598;
    --purple: #d3869b;
    --aqua: #8ec07c;
    --orange: #fe8019;
    
    --red-dim: #cc241d;
    --green-dim: #98971a;
    --yellow-dim: #d79921;
    --blue-dim: #458588;
    --purple-dim: #b16286;
    --aqua-dim: #689d6a;
    --orange-dim: #d65d0e;
}

html.dev-mode body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg0);
    color: var(--fg1);
    line-height: 1.6;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    overflow: hidden;
    height: 100vh;
}

/* Container */
.vim-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Terminal header */
.terminal-header {
    background: var(--bg0-hard);
    padding: 8px 16px;
    border-bottom: 1px solid var(--bg2);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--fg4);
    position: relative;
}

.terminal-tabs {
    display: flex;
    gap: 16px;
    margin-left: auto;
    margin-right: 140px; /* Make room for mode toggle */
}

.terminal-tab {
    padding: 4px 12px;
    background: var(--bg1);
    border-radius: 4px 4px 0 0;
    color: var(--fg3);
    cursor: pointer;
    position: relative;
}

.terminal-tab.active {
    background: var(--bg0);
    color: var(--fg1);
}

.terminal-tab.modified::after {
    content: " ●";
    color: var(--orange);
}

/* Integrated mode toggle for dev view */
.terminal-header .mode-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 12px;
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--fg2);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.terminal-header .mode-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--fg0);
}

.terminal-header .mode-toggle .toggle-icon {
    font-size: 14px;
}

.terminal-header .mode-toggle .toggle-text {
    font-weight: 500;
}

/* Main content area */
.main-content {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0;
    flex: 1;
    overflow: hidden;
}

/* Sidebar (file tree) */
.sidebar {
    background: var(--bg0-hard);
    border-right: 1px solid var(--bg2);
    padding: 16px;
    font-size: 13px;
    overflow-y: auto;
}

.file-tree {
    list-style: none;
}

.file-tree li {
    padding: 2px 0;
    color: var(--fg3);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.file-tree li:hover {
    color: var(--fg1);
}

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

.file-tree .active {
    color: var(--fg0);
    background: var(--bg2);
    padding: 2px 4px;
    margin: 0 -4px;
}

.git-status {
    font-size: 11px;
    font-weight: 600;
}

.git-modified {
    color: var(--yellow);
}

.git-added {
    color: var(--green);
}

/* Editor area */
.editor {
    padding: 0;
    overflow-y: auto;
    position: relative;
    overflow-x: hidden;
}

.editor-content {
    padding: 24px 32px 100px;
}

/* Modeline */
.modeline {
    color: var(--bg4);
    font-style: italic;
    margin-bottom: 16px;
}

/* Line numbers and content */
.line {
    display: flex;
    margin: 0;
    position: relative;
}

.line:hover {
    background: var(--bg1);
}

.line-number {
    color: var(--bg4);
    width: 50px;
    text-align: right;
    padding-right: 16px;
    user-select: none;
    font-size: 13px;
    flex-shrink: 0;
}

.line-content {
    flex: 1;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Folding */
.fold-marker {
    color: var(--bg3);
    cursor: pointer;
    user-select: none;
}

.fold-marker:hover {
    color: var(--fg3);
}

/* Cursor */
.cursor {
    display: inline-block;
    width: 2px;
    height: 18px;
    background: var(--fg1);
    animation: blink 1s infinite;
    vertical-align: text-bottom;
    margin-left: 1px;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

/* Syntax highlighting */
.comment {
    color: var(--bg4);
    font-style: italic;
}

.keyword {
    color: var(--red);
}

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

.function {
    color: var(--blue);
}

.const {
    color: var(--orange);
}

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

.number {
    color: var(--purple);
}

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

/* Headers */
.vim-container h1 {
    color: var(--fg0);
    font-size: 24px;
    font-weight: 600;
    margin: 32px 0 16px;
}

.vim-container h2 {
    color: var(--yellow);
    font-size: 18px;
    font-weight: 500;
    margin: 24px 0 16px;
}

.vim-container h3 {
    color: var(--aqua);
    font-size: 14px;
    font-weight: 600;
    margin: 16px 0 8px;
}

/* Content styling */
.vim-container p {
    margin: 8px 0;
    color: var(--fg2);
}

/* Lists */
.vim-container ul {
    list-style: none;
    margin: 8px 0;
}

.vim-container ul li {
    padding: 2px 0 2px 20px;
    position: relative;
    color: var(--fg2);
}

.vim-container ul li::before {
    content: "-";
    position: absolute;
    left: 8px;
    color: var(--orange);
}

/* Skills grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 24px 0;
}

.skill-block {
    background: var(--bg1);
    padding: 16px;
    border: 1px solid var(--bg2);
    border-radius: 4px;
}

.skill-block:hover {
    border-color: var(--bg3);
    background: var(--bg2);
}

/* Services */
.service-block {
    background: var(--bg0-hard);
    border: 1px solid var(--bg2);
    padding: 20px;
    margin: 16px 0;
    border-radius: 4px;
}

.service-block:hover {
    border-color: var(--bg3);
}

/* Process steps */
.process-step {
    display: flex;
    align-items: flex-start;
    margin: 12px 0;
}

.step-number {
    color: var(--yellow);
    margin-right: 16px;
    font-weight: 600;
}

/* Testimonials */
.testimonial {
    border-left: 2px solid var(--bg3);
    padding-left: 16px;
    margin: 16px 0;
    font-style: italic;
    color: var(--fg3);
}

/* CTA */
.cta-section {
    text-align: center;
    padding: 48px 0;
    margin-top: 48px;
    border-top: 1px solid var(--bg2);
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    background: var(--bg2);
    color: var(--fg0);
    text-decoration: none;
    border: 1px solid var(--bg3);
    border-radius: 4px;
    transition: all 0.2s;
    font-size: 13px;
}

.btn:hover {
    background: var(--bg3);
    border-color: var(--fg4);
}

/* Status line */
.status-line {
    background: var(--bg1);
    border-top: 1px solid var(--bg2);
    padding: 6px 16px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--fg3);
}

.status-left {
    display: flex;
    gap: 16px;
    align-items: center;
}

.status-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

.mode {
    background: var(--green-dim);
    color: var(--bg0);
    padding: 2px 8px;
    font-weight: 600;
}

.mode.insert {
    background: var(--blue-dim);
}

.lsp-status {
    color: var(--aqua);
}

/* Command line */
.command-line {
    position: fixed;
    bottom: 28px;
    left: 0;
    right: 0;
    background: var(--bg0);
    border-top: 1px solid var(--bg2);
    padding: 4px 16px;
    display: none;
    font-size: 13px;
}

.command-line.active {
    display: block;
}

.command-prompt {
    color: var(--fg1);
}

/* Popup */
.popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg1);
    border: 1px solid var(--bg3);
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    display: none;
    z-index: 1000;
    text-align: center;
}

.popup.active {
    display: block;
}

/* Typing animation */
@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.typing {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 2s steps(40, end);
}

/* Mobile for dev mode */
@media (max-width: 768px) {
    html.dev-mode body {
        font-size: 12px;
    }

    .vim-container {
        height: 100vh;
        height: 100dvh;
    }

    .terminal-header {
        padding: 6px 12px;
        font-size: 11px;
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .terminal-tabs {
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        margin-right: 100px;
    }

    .terminal-tabs::-webkit-scrollbar {
        display: none;
    }

    .terminal-tab {
        padding: 3px 8px;
        white-space: nowrap;
        font-size: 11px;
    }

    .terminal-header .mode-toggle {
        padding: 4px 10px;
        font-size: 11px;
        right: 8px;
    }

    .terminal-header .mode-toggle .toggle-icon {
        font-size: 12px;
    }

    .main-content {
        grid-template-columns: 1fr;
        height: calc(100vh - 80px);
        height: calc(100dvh - 80px);
    }
    
    .sidebar {
        display: none;
    }
    
    .editor {
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .editor-content {
        padding: 12px 8px 60px;
    }
    
    .line {
        font-size: 11px;
    }

    .line-number {
        width: 35px;
        padding-right: 8px;
        font-size: 10px;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .skill-block {
        padding: 12px;
    }

    .skill-block h3 {
        font-size: 12px;
    }

    .skill-block ul {
        font-size: 11px;
    }

    .service-block {
        padding: 16px;
        margin: 12px 0;
    }

    .service-block h3 {
        font-size: 16px;
    }

    .service-block p {
        font-size: 12px;
    }

    .process-step {
        margin: 10px 0;
        font-size: 12px;
    }

    .testimonial {
        padding-left: 12px;
        margin: 12px 0;
        font-size: 11px;
    }

    .cta-section {
        padding: 32px 0;
    }

    .cta-section h2 {
        font-size: 16px;
    }

    .cta-section p {
        font-size: 12px;
    }

    .btn {
        padding: 8px 20px;
        font-size: 12px;
    }

    .status-line {
        font-size: 10px;
        padding: 4px 8px;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
    }

    .mode {
        padding: 1px 6px;
        font-size: 10px;
    }

    .command-line {
        bottom: 24px;
        font-size: 12px;
        padding: 4px 12px;
    }

    .popup {
        width: 90%;
        max-width: 300px;
        padding: 24px;
    }

    .popup h2 {
        font-size: 18px;
    }

    .popup p {
        font-size: 12px;
    }

    .lsp-status,
    .status-right span:nth-child(3),
    .status-right span:nth-child(4) {
        display: none;
    }

    .vim-container h1 {
        font-size: 20px;
        margin: 24px 0 12px;
    }

    .vim-container h2 {
        font-size: 16px;
        margin: 20px 0 12px;
    }

    .vim-container h3 {
        font-size: 12px;
        margin: 12px 0 6px;
    }

    .terminal-tab,
    .btn,
    .file-tree li {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}