/* AGI Δ · Linux Kernel Workstation - theme & layout */

:root {
    --bg-0: #05080c;
    --bg-1: #0a0f17;
    --bg-2: #0f1620;
    --bg-3: #141d2a;
    --border: #1c2735;
    --border-hi: #2a3a52;
    --fg-0: #c6cdd9;
    --fg-1: #8b95a5;
    --fg-2: #5a6473;
    --green: #7ee787;
    --red: #ff7b72;
    --yellow: #f0c674;
    --blue: #79b8ff;
    --purple: #d2a8ff;
    --cyan: #56d4dd;
    --orange: #ffa657;
    --pink: #ff9ec4;
    --prompt: #7ee787;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html, body {
    width: 100%; height: 100%;
    background: var(--bg-0);
    color: var(--fg-0);
    font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Fira Code', Menlo, Consolas, monospace;
    font-size: 12.5px;
    line-height: 1.45;
    overflow: hidden;
    user-select: none;
    -webkit-font-smoothing: antialiased;
  }
  body::before {
    content: '';
    position: fixed; inset: 0;
    background:
      radial-gradient(1200px 800px at 25% 20%, rgba(40, 90, 160, 0.08), transparent 60%),
      radial-gradient(900px 600px at 80% 80%, rgba(140, 50, 200, 0.06), transparent 60%),
      linear-gradient(180deg, #05080c 0%, #03060a 100%);
    pointer-events: none;
    z-index: 0;
  }
  body::after {
    content: '';
    position: fixed; inset: 0;
    background: repeating-linear-gradient(180deg, rgba(255,255,255,0.012) 0px, rgba(255,255,255,0.012) 1px, transparent 1px, transparent 3px);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: overlay;
  }
  .desktop {
    position: relative;
    width: 100vw; height: 100vh;
    display: grid;
    grid-template-rows: 28px 1fr 38px;
    z-index: 1;
  }
  .topbar {
    background: linear-gradient(180deg, #0d141d, #080c12);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 14px; gap: 18px;
    font-size: 11.5px; color: var(--fg-1);
  }
  .topbar .brand { color: var(--green); font-weight: 600; letter-spacing: 0.5px; }
  .topbar .brand .dot {
    display: inline-block; width: 7px; height: 7px;
    background: var(--green); border-radius: 50%;
    margin-right: 6px; box-shadow: 0 0 8px var(--green);
    animation: pulse 1.4s ease-in-out infinite;
    vertical-align: middle;
  }
  @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }
  .topbar .sep { color: var(--fg-2); }
  .topbar .clock { margin-left: auto; color: var(--fg-0); }
  .topbar .ai-status { color: var(--cyan); }
  .topbar .stat { display: inline-flex; align-items: center; gap: 6px; }
  .topbar .stat .lbl { color: var(--fg-2); }
  .topbar .stat .val { color: var(--fg-0); }
  .topbar .bar {
    width: 50px; height: 6px;
    background: #11181f; border: 1px solid var(--border);
    border-radius: 2px; overflow: hidden;
  }
  .topbar .bar > i {
    display: block; height: 100%;
    background: linear-gradient(90deg, var(--green), var(--cyan));
    width: 0%; transition: width 0.6s ease;
  }
  .topbar .bar.mem > i { background: linear-gradient(90deg, var(--yellow), var(--orange)); }
  .topbar .bar.net > i { background: linear-gradient(90deg, var(--blue), var(--purple)); }
  .topbar .netrate { color: var(--blue); }
  .topbar .wake-status {
    display: inline-flex; align-items: center; gap: 4px;
    color: var(--cyan); font-size: 11px;
    padding: 1px 6px; border-radius: 3px;
    cursor: pointer; user-select: none;
    transition: color 0.2s, background 0.2s;
  }
  .topbar .wake-status:hover { background: rgba(86, 212, 221, 0.08); }
  .topbar .wake-status.on { color: var(--cyan); }
  .topbar .wake-status.on .wake-ico { color: var(--cyan); text-shadow: 0 0 6px var(--cyan); }
  .topbar .wake-status.off { color: var(--fg-2); }
  .topbar .wake-status.off .wake-ico { color: var(--fg-2); opacity: 0.4; }
  .topbar .wake-status.unsupported { color: var(--yellow); }
  .topbar .wake-status.unsupported .wake-ico { color: var(--yellow); }
  .stage {
    position: relative; padding: 10px;
    display: grid;
    grid-template-columns: 1.1fr 1.3fr 0.95fr;
    grid-template-rows: 1fr 1fr 1fr;
    gap: 10px; overflow: hidden;
  }
  .window {
    position: relative;
    background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow:
      0 1px 0 rgba(255,255,255,0.03) inset,
      0 6px 20px rgba(0,0,0,0.45);
    display: flex; flex-direction: column;
    overflow: hidden; min-height: 0;
    transition: border-color 0.2s;
  }
  .window::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(126,231,135,0.15), transparent);
    pointer-events: none;
  }
  .window.focused { border-color: var(--border-hi); }
  .window.focused::after {
    content: ''; position: absolute; inset: 0;
    pointer-events: none; border-radius: 8px;
    box-shadow: 0 0 0 1px rgba(126,231,135,0.15) inset;
  }
  .window.focused .window-titlebar { background: linear-gradient(180deg, #152030, #0c1219); }
  .window.focused .window-titlebar .title { color: var(--fg-0); }
  .window-titlebar {
    display: flex; align-items: center;
    height: 28px; padding: 0 10px;
    background: linear-gradient(180deg, #11181f, #0c1219);
    border-bottom: 1px solid var(--border);
    gap: 8px; font-size: 11.5px; color: var(--fg-1);
    flex-shrink: 0;
  }
  .window-titlebar .lights { display: flex; gap: 6px; }
  .window-titlebar .lights i { width: 11px; height: 11px; border-radius: 50%; background: #2a3340; display: block; }
  .window-titlebar .lights i.r { background: #ff5f57; }
  .window-titlebar .lights i.y { background: #febc2e; }
  .window-titlebar .lights i.g { background: #28c840; }
  .window-titlebar .title { margin-left: 6px; }
  .window-titlebar .title .acc { color: var(--green); }
  .window-titlebar .right { margin-left: auto; font-size: 10.5px; color: var(--fg-2); display: flex; gap: 10px; }
  .window-titlebar .right .live { color: var(--red); }
  .window-titlebar .right .live::before { content: '●'; margin-right: 3px; animation: pulse 1.2s ease-in-out infinite; }
  .window-body { flex: 1; min-height: 0; overflow: auto; padding: 8px 10px 10px; background: #06090e; }
  .window-body::-webkit-scrollbar { width: 8px; height: 8px; }
  .window-body::-webkit-scrollbar-thumb { background: #1c2735; border-radius: 4px; }
  .window-body::-webkit-scrollbar-thumb:hover { background: #2a3a52; }
  .window-body::-webkit-scrollbar-track { background: transparent; }
.term-line { white-space: pre; overflow: hidden; text-overflow: clip; }
  .term-line .prompt { color: var(--green); }
  .term-line .prompt-user { color: var(--cyan); }
  .term-line .prompt-host { color: var(--purple); }
  .term-line .prompt-path { color: var(--blue); }
  .term-line .prompt-arrow { color: var(--fg-2); }
  .term-line.cmd { color: var(--fg-0); }
  .term-line.out { color: var(--fg-1); }
  .term-line.err { color: var(--red); }
  .term-line.warn { color: var(--yellow); }
  .term-line.ok { color: var(--green); }
  .term-line.info { color: var(--cyan); }
  .term-line.dim { color: var(--fg-2); }
  .term-line .hl-green { color: var(--green); }
  .term-line .hl-red { color: var(--red); }
  .term-line .hl-yellow { color: var(--yellow); }
  .term-line .hl-blue { color: var(--blue); }
  .term-line .hl-purple { color: var(--purple); }
  .term-line .hl-cyan { color: var(--cyan); }
  .term-line .hl-orange { color: var(--orange); }
  .term-line .hl-pink { color: var(--pink); }
  .cursor {
    display: inline-block; width: 7px; height: 14px;
    background: var(--fg-0); margin-left: 1px;
    vertical-align: text-bottom;
    animation: blink 0.95s steps(1) infinite;
  }
  .cursor.green { background: var(--green); box-shadow: 0 0 6px var(--green); }
  @keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
  .editor-body { background: #0a0e14; color: var(--fg-0); font-size: 12.5px; line-height: 1.55; }
  .vim-status {
    display: flex; gap: 14px; padding: 4px 10px;
    background: #0e1620; border-top: 1px solid var(--border);
    font-size: 11px; color: var(--fg-1); flex-shrink: 0;
  }
  .vim-status .mode { color: var(--green); font-weight: 600; }
  .vim-status .mode.insert { color: var(--orange); }
  .vim-status .mode.visual { color: var(--purple); }
  .vim-status .mode.replace { color: var(--red); }
  .vim-status .mode.cmd { color: var(--blue); }
  .vim-status .file { color: var(--blue); }
  .vim-status .pos { color: var(--fg-2); }
  .vim-status .right { margin-left: auto; color: var(--fg-2); }
  .editor-grid { display: grid; grid-template-columns: 44px 1fr; }
  .editor-gutter {
    text-align: right; padding: 8px 8px 8px 0;
    color: var(--fg-2); user-select: none;
    background: #080c12; border-right: 1px solid var(--border);
    font-size: 11.5px;
  }
  .editor-gutter .ln { display: block; padding: 0 4px; }
  .editor-gutter .ln.cur { color: var(--green); background: rgba(126,231,135,0.05); }
  .editor-gutter .ln.delta { color: var(--orange); }
  .editor-gutter .ln.delta.cur { color: var(--green); }
  .editor-code { padding: 8px 12px; white-space: pre; overflow: auto; min-width: 0; }
.editor-grid > div { min-width: 0; }
  .editor-code .cur-line { background: rgba(126,231,135,0.06); display: inline-block; width: 100%; }
  .editor-code .cur-line::after { content: ''; }
  .tk-kw   { color: #ff7b72; }
  .tk-ty   { color: #79b8ff; }
  .tk-fn   { color: #d2a8ff; }
  .tk-mac  { color: #ffa657; }
  .tk-num  { color: #f0c674; }
  .tk-com  { color: #5a6473; font-style: italic; }
  .tk-str  { color: #7ee787; }
  .tk-const{ color: #56d4dd; }
  .tk-pp   { color: #ffa657; }
  .htop-cpu { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 2px; padding: 4px 8px 6px; }
  .htop-cpu > div { height: 22px; background: #11181f; border-radius: 2px; position: relative; overflow: hidden; }
  .htop-cpu > div > i {
    display: block; height: 100%;
    background: linear-gradient(180deg, var(--green), var(--cyan));
    text-align: right; font-size: 10px; color: #000; line-height: 22px; padding-right: 4px;
  }
  .htop-mem {
    display: grid; grid-template-columns: 80px 1fr 80px 80px;
    gap: 6px; padding: 4px 8px;
    font-size: 11.5px; color: var(--fg-1);
  }
  .htop-mem .bar { height: 12px; background: #11181f; border-radius: 2px; overflow: hidden; }
  .htop-mem .bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--yellow), var(--orange)); }
  .htop-head {
    display: grid;
    grid-template-columns: 50px 60px 1fr 1fr 1fr 60px 60px 50px 1.2fr;
    gap: 6px; padding: 4px 8px;
    background: #0a0f17; border-bottom: 1px solid var(--border);
    color: var(--cyan); font-size: 10.5px;
    position: sticky; top: 0;
  }
  .htop-row {
    display: grid;
    grid-template-columns: 50px 60px 1fr 1fr 1fr 60px 60px 50px 1.2fr;
    gap: 6px; padding: 1px 8px;
    font-size: 11.5px;
  }
  .htop-row:hover { background: #0d141d; }
  .htop-row.ai { color: var(--green); }
  .htop-cpu-bar { display: inline-block; width: 100%; height: 10px; background: #11181f; border-radius: 2px; position: relative; }
  .htop-cpu-bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--cyan)); border-radius: 2px; }
  .ai-card {
    position: absolute; top: 38px; right: 14px;
    width: 290px;
    background: linear-gradient(180deg, rgba(15, 22, 32, 0.95), rgba(10, 15, 23, 0.95));
    border: 1px solid var(--border-hi);
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
    z-index: 50; overflow: hidden;
  }
  .ai-card .head {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(180deg, #0d141d, #080c12);
    border-bottom: 1px solid var(--border);
    font-size: 11.5px;
  }
  .ai-card .head .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--cyan); box-shadow: 0 0 8px var(--cyan);
    animation: pulse 1.2s infinite;
  }
  .ai-card .head .ttl { color: var(--cyan); font-weight: 600; letter-spacing: 0.5px; }
  .ai-card .head .tk { margin-left: auto; color: var(--fg-2); font-size: 10.5px; }
  .ai-card .body { padding: 10px 12px; font-size: 11.5px; color: var(--fg-0); max-height: 260px; overflow: auto; }
  .ai-card .body .thought {
    padding: 6px 8px; border-left: 2px solid var(--cyan);
    background: rgba(86, 212, 221, 0.04);
    margin-bottom: 6px; border-radius: 0 4px 4px 0;
  }
  .ai-card .body .thought.action { border-color: var(--green); background: rgba(126, 231, 135, 0.05); }
  .ai-card .body .thought.warn { border-color: var(--yellow); background: rgba(240, 198, 116, 0.05); }
  .ai-card .body .thought.err { border-color: var(--red); background: rgba(255, 123, 114, 0.05); }
  .ai-card .body .thought.patch { border-color: var(--orange); background: rgba(255, 166, 87, 0.05); }
  .ai-card .body .ts { color: var(--fg-2); font-size: 10.5px; margin-bottom: 2px; }
  .ai-card .body .tag { display: inline-block; padding: 1px 5px; border-radius: 2px; font-size: 10px; margin-right: 4px; vertical-align: 1px; }
  .ai-card .body .tag.analysis { background: rgba(86,212,221,0.15); color: var(--cyan); }
  .ai-card .body .tag.patch { background: rgba(255,166,87,0.15); color: var(--orange); }
  .ai-card .body .tag.test { background: rgba(121,184,255,0.15); color: var(--blue); }
  .ai-card .body .tag.review { background: rgba(210,168,255,0.15); color: var(--purple); }
  .ai-card .body .tag.commit { background: rgba(126,231,135,0.15); color: var(--green); }
  .ai-card .body .tag.bug { background: rgba(255,123,114,0.15); color: var(--red); }
  .dock {
    background: linear-gradient(180deg, #0a0f17, #060a10);
    border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 6px;
    padding: 4px 14px; font-size: 11px; color: var(--fg-1);
    overflow: hidden;
  }
  .dock .group {
    display: flex; align-items: center; gap: 8px;
    padding: 0 10px; border-right: 1px solid var(--border);
    height: 26px;
  }
  .dock .group:last-child { border-right: none; }
  .dock .group .label { color: var(--fg-2); }
  .dock .group .v { color: var(--fg-0); }
  .dock .group .v.green { color: var(--green); }
  .dock .group .v.red { color: var(--red); }
  .dock .group .v.yellow { color: var(--yellow); }
  .dock .group .v.cyan { color: var(--cyan); }
  .dock .marquee {
    margin-left: auto; color: var(--fg-2);
    font-size: 10.5px; overflow: hidden;
    white-space: nowrap; max-width: 50%;
  }
  .dock .marquee span { color: var(--fg-1); }
  .fs-btn {
    position: fixed; top: 36px; right: 14px;
    z-index: 100;
    background: rgba(15, 22, 32, 0.9);
    border: 1px solid var(--border-hi);
    color: var(--fg-1);
    width: 32px; height: 32px;
    border-radius: 6px; cursor: pointer;
    font-size: 14px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
  }
  .fs-btn:hover { color: var(--green); border-color: var(--green); }
  .hint {
    position: fixed; bottom: 60px; left: 50%;
    transform: translateX(-50%);
    background: rgba(10,15,23,0.95);
    border: 1px solid var(--border-hi);
    color: var(--fg-1);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 12px; z-index: 100; text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.6);
  }
  .hint .close {
    position: absolute; top: 6px; right: 8px;
    cursor: pointer; color: var(--fg-2); font-size: 14px;
  }
  .hint .close:hover { color: var(--red); }
  .toast-stack {
    position: fixed; right: 16px; bottom: 56px;
    display: flex; flex-direction: column; gap: 6px;
    z-index: 80;
  }
  .toast {
    background: rgba(10,15,23,0.95);
    border: 1px solid var(--border-hi);
    border-left: 3px solid var(--cyan);
    color: var(--fg-0);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 11.5px;
    min-width: 240px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.5);
    animation: slidein 0.3s ease, slideout 0.4s ease 3.6s forwards;
  }
  .toast.ok { border-left-color: var(--green); }
  .toast.err { border-left-color: var(--red); }
  .toast.warn { border-left-color: var(--yellow); }
  @keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }
  @keyframes slideout { to { transform: translateX(20px); opacity: 0; } }
  .w-build  { grid-column: 1; grid-row: 1 / span 2; }
  .w-editor { grid-column: 2; grid-row: 1 / span 2; }
  .w-git    { grid-column: 3; grid-row: 1; }
  .w-htop   { grid-column: 3; grid-row: 2; }
  .w-dmesg  { grid-column: 1; grid-row: 3; }
  .w-gdb    { grid-column: 2; grid-row: 3; }
  .w-net    { grid-column: 3; grid-row: 3; }
  @keyframes glitch {
    0%, 88% { transform: translate(0,0); filter: none; }
    90% { transform: translate(-1px, 0); filter: hue-rotate(10deg); }
    92% { transform: translate(1px, 0); filter: hue-rotate(-8deg); }
    94% { transform: translate(0, 1px); filter: hue-rotate(5deg); }
    96% { transform: translate(-1px, 0); filter: hue-rotate(-3deg); }
    100% { transform: translate(0,0); filter: none; }
  }
  .stage { animation: glitch 22s infinite; }