/* ============================================================
   dtechterminal.com — terminal-as-website
   themes are driven by CSS variables; switched via [data-theme]
   ============================================================ */

:root,
[data-theme="cyber"] {
  --bg-desk: #05070a;
  --bg-term: #0a0e14;
  --bg-chrome: #14171c;
  --bg-chrome-2: #1c2026;
  --fg: #d6deeb;
  --fg-dim: #8b96a8;
  --fg-muted: #4a5566;
  --accent: #67e8f9;        /* cyan */
  --accent-2: #c084fc;      /* purple */
  --accent-3: #f472b6;      /* pink */
  --ok: #86efac;
  --warn: #fcd34d;
  --err: #fb7185;
  --link: #67e8f9;
  --selection: rgba(103,232,249,.35);
  --prompt-user: #c084fc;
  --prompt-host: #67e8f9;
  --prompt-path: #fcd34d;
  --glow: 0 0 18px rgba(103,232,249,.18);
}

[data-theme="matrix"] {
  --bg-desk: #02060a;
  --bg-term: #050d07;
  --bg-chrome: #0a1410;
  --bg-chrome-2: #122019;
  --fg: #b9f4c1;
  --fg-dim: #6ab07a;
  --fg-muted: #335a3f;
  --accent: #34d399;
  --accent-2: #a7f3d0;
  --accent-3: #fcd34d;
  --ok: #6ee7b7;
  --warn: #fcd34d;
  --err: #fb7185;
  --link: #34d399;
  --selection: rgba(52,211,153,.35);
  --prompt-user: #34d399;
  --prompt-host: #a7f3d0;
  --prompt-path: #fcd34d;
  --glow: 0 0 22px rgba(52,211,153,.22);
}

[data-theme="amber"] {
  --bg-desk: #0a0703;
  --bg-term: #14100a;
  --bg-chrome: #1c170e;
  --bg-chrome-2: #261f14;
  --fg: #fde8c5;
  --fg-dim: #c69458;
  --fg-muted: #6b4d2a;
  --accent: #fbbf24;
  --accent-2: #fb923c;
  --accent-3: #f87171;
  --ok: #facc15;
  --warn: #fde047;
  --err: #fb7185;
  --link: #fbbf24;
  --selection: rgba(251,191,36,.35);
  --prompt-user: #fb923c;
  --prompt-host: #fbbf24;
  --prompt-path: #fde047;
  --glow: 0 0 22px rgba(251,191,36,.18);
}

[data-theme="hotpink"] {
  --bg-desk: #0a040a;
  --bg-term: #100612;
  --bg-chrome: #1a0a1d;
  --bg-chrome-2: #240e29;
  --fg: #fbe6f2;
  --fg-dim: #d18ab1;
  --fg-muted: #6b3b58;
  --accent: #f472b6;
  --accent-2: #c084fc;
  --accent-3: #67e8f9;
  --ok: #86efac;
  --warn: #fcd34d;
  --err: #fb7185;
  --link: #f472b6;
  --selection: rgba(244,114,182,.35);
  --prompt-user: #c084fc;
  --prompt-host: #f472b6;
  --prompt-path: #fcd34d;
  --glow: 0 0 24px rgba(244,114,182,.22);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: "JetBrains Mono", "Fira Code", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  background:
    radial-gradient(ellipse at 20% 0%, color-mix(in oklch, var(--accent) 14%, transparent), transparent 55%),
    radial-gradient(ellipse at 80% 100%, color-mix(in oklch, var(--accent-2) 14%, transparent), transparent 55%),
    var(--bg-desk);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.55;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--selection); color: var(--fg); }

/* ─── desktop frame ─── */
.desktop {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-rows: 1fr;
  padding: 22px;
}

/* ─── terminal window chrome ─── */
.term-window {
  position: relative;
  display: grid;
  grid-template-rows: 38px 1fr;
  border-radius: 12px;
  background: var(--bg-term);
  box-shadow:
    0 0 0 1px color-mix(in oklch, var(--accent) 16%, transparent),
    0 30px 80px rgba(0,0,0,.6),
    0 10px 30px rgba(0,0,0,.4),
    var(--glow);
  overflow: hidden;
}
.titlebar {
  display: grid;
  grid-template-columns: 90px 1fr 90px;
  align-items: center;
  padding: 0 14px;
  background: linear-gradient(180deg, var(--bg-chrome-2), var(--bg-chrome));
  border-bottom: 1px solid color-mix(in oklch, var(--fg-muted) 35%, transparent);
}
.dots { display: flex; gap: 8px; }
.dot {
  width: 12px; height: 12px; border-radius: 50%;
  border: 1px solid rgba(0,0,0,.4);
}
.dot.r { background: #ff5f57; }
.dot.y { background: #febc2e; }
.dot.g { background: #28c840; }
.tab-title {
  text-align: center;
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: .04em;
}
.tab-title b { color: var(--fg); font-weight: 500; }
.titlebar .right {
  justify-self: end;
  font-size: 11px;
  color: var(--fg-muted);
  display: flex;
  gap: 10px;
  align-items: center;
}
.led {
  display: inline-block;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 6px var(--ok);
  animation: pulse 2s infinite;
}
@keyframes pulse { 50% { opacity: .35; } }

/* ─── terminal body layout ─── */
.term-body {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 0;
}
.sidebar { display: none; }
.term-body.has-sidebar { grid-template-columns: 1fr 260px; }
.term-body.has-sidebar > .sidebar { display: flex; }
@media (max-width: 900px) {
  .term-body.has-sidebar { grid-template-columns: 1fr; }
  .term-body.has-sidebar > .sidebar { display: none; }
}

.screen {
  position: relative;
  overflow-y: auto;
  padding: 18px 22px 90px 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--fg-muted) transparent;
}
.screen::-webkit-scrollbar { width: 10px; }
.screen::-webkit-scrollbar-thumb {
  background: color-mix(in oklch, var(--fg-muted) 60%, transparent);
  border-radius: 6px;
}

/* CRT scanlines overlay */
.screen::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(255,255,255,.02) 0px,
      rgba(255,255,255,.02) 1px,
      transparent 1px,
      transparent 3px
    );
  mix-blend-mode: overlay;
  opacity: .8;
}
.term-window.no-crt .screen::after { display: none; }

/* CRT screen curvature flicker */
.term-window::before {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  border-radius: 12px;
  box-shadow: inset 0 0 120px rgba(0,0,0,.7);
  z-index: 3;
}

/* ─── sidebar ─── */
.sidebar {
  border-left: 1px solid color-mix(in oklch, var(--fg-muted) 28%, transparent);
  padding: 16px 14px;
  flex-direction: column;
  gap: 16px;
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--bg-chrome) 65%, transparent), transparent);
  overflow-y: auto;
}
.sb-section {
  display: flex; flex-direction: column; gap: 6px;
}
.sb-label {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg-muted);
  padding: 0 2px;
}
.cmd-chip {
  appearance: none;
  background: transparent;
  border: 1px solid color-mix(in oklch, var(--fg-muted) 30%, transparent);
  color: var(--fg);
  font: inherit;
  text-align: left;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  transition: all .15s ease;
}
.cmd-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in oklch, var(--accent) 8%, transparent);
  box-shadow: 0 0 0 1px color-mix(in oklch, var(--accent) 30%, transparent);
}
.cmd-chip .kbd {
  font-size: 10px;
  color: var(--fg-muted);
  border: 1px solid color-mix(in oklch, var(--fg-muted) 30%, transparent);
  padding: 1px 5px;
  border-radius: 3px;
}
.cmd-chip:hover .kbd { color: var(--accent); border-color: currentColor; }

.sb-clock {
  font-size: 11px;
  color: var(--fg-dim);
  display: flex; flex-direction: column; gap: 2px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed color-mix(in oklch, var(--fg-muted) 30%, transparent);
}
.sb-clock b { color: var(--fg); font-weight: 500; }

/* ─── output content ─── */
.line { white-space: pre-wrap; word-break: break-word; }
.line + .line { margin-top: 0; }

.muted { color: var(--fg-muted); }
.dim { color: var(--fg-dim); }
.fg { color: var(--fg); }
.acc { color: var(--accent); }
.acc2 { color: var(--accent-2); }
.acc3 { color: var(--accent-3); }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.err { color: var(--err); }
b { font-weight: 600; }

.banner {
  color: var(--accent);
  text-shadow: 0 0 12px color-mix(in oklch, var(--accent) 50%, transparent);
  white-space: pre;
  line-height: 1.05;
  font-size: 12px;
  display: block;
  margin: 4px 0 10px;
}
.banner-sub {
  color: var(--fg-dim);
  margin-bottom: 14px;
}

.boot-line { display: flex; gap: 10px; align-items: baseline; }
.boot-ok  { color: var(--ok); }
.boot-info { color: var(--accent); }
.boot-line .tag {
  color: var(--fg-muted);
  min-width: 64px;
}

/* prompt + input row */
.prompt-line {
  display: flex; align-items: baseline; gap: 6px;
  margin-top: 4px;
  flex-wrap: wrap;
}
.prompt {
  white-space: nowrap;
}
.prompt .u { color: var(--prompt-user); }
.prompt .at { color: var(--fg-muted); }
.prompt .h { color: var(--prompt-host); }
.prompt .colon { color: var(--fg-muted); }
.prompt .p { color: var(--prompt-path); }
.prompt .sigil { color: var(--accent); margin-right: 4px; }

.input-cell {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  min-width: 0;
}
#cmdline {
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--fg);
  font: inherit;
  width: 1ch;
  min-width: 1ch;
  caret-color: transparent;
  padding: 0;
}
.cursor {
  display: inline-block;
  width: 9px; height: 1.1em;
  background: var(--accent);
  vertical-align: -2px;
  margin-left: 1px;
  box-shadow: 0 0 8px var(--accent);
  animation: blink 1s steps(1) infinite;
  flex: 0 0 auto;
}
.cursor.solid { animation: none; }
@keyframes blink { 50% { opacity: 0; } }

/* echoed past commands */
.echo .typed { color: var(--fg); }

/* tables / kv */
.kv { display: grid; grid-template-columns: 14ch 1fr; gap: 4px 16px; }
.kv .k { color: var(--accent); }
.kv .v { color: var(--fg); }

.neofetch {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 28px;
  align-items: start;
  margin: 4px 0 8px;
}
.neofetch .logo {
  color: var(--accent);
  white-space: pre;
  font-size: 11px;
  line-height: 1.1;
  text-shadow: 0 0 14px color-mix(in oklch, var(--accent) 55%, transparent);
}
.neofetch .info {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  font-size: 13px;
  align-content: start;
}
.neofetch .info .k { color: var(--accent-2); }
.neofetch .info .sep { color: var(--fg-muted); padding-right: 6px; }
.neofetch .info .v { color: var(--fg); }
.neofetch .info .title { color: var(--accent); }
.neofetch .info .rule { color: var(--fg-muted); grid-column: 1 / -1; }
.colorbar {
  grid-column: 1 / -1;
  display: flex;
  gap: 0;
  margin-top: 6px;
}
.colorbar span {
  width: 22px; height: 14px;
  display: inline-block;
}

/* project rows */
.proj {
  display: grid;
  grid-template-columns: 28ch 1fr auto;
  gap: 4px 14px;
  margin: 2px 0;
}
.proj .name { color: var(--accent); }
.proj .desc { color: var(--fg-dim); }
.proj .tag  { color: var(--fg-muted); font-size: 12px; }
.proj a { color: var(--accent-2); text-decoration: none; border-bottom: 1px dotted currentColor; }
.proj a:hover { color: var(--accent-3); }

/* skills grid */
.skills {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px 14px;
  margin: 4px 0 6px;
}
.skill {
  display: grid;
  grid-template-columns: 1fr 60px;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.skill .bar {
  height: 6px;
  background: color-mix(in oklch, var(--fg-muted) 30%, transparent);
  border-radius: 2px;
  overflow: hidden;
}
.skill .bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 8px color-mix(in oklch, var(--accent) 50%, transparent);
}

.badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 3px;
  background: color-mix(in oklch, var(--accent) 18%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in oklch, var(--accent) 35%, transparent);
}
.badge.alt {
  background: color-mix(in oklch, var(--accent-2) 18%, transparent);
  color: var(--accent-2);
  border-color: color-mix(in oklch, var(--accent-2) 35%, transparent);
}
.badge.alt2 {
  background: color-mix(in oklch, var(--accent-3) 18%, transparent);
  color: var(--accent-3);
  border-color: color-mix(in oklch, var(--accent-3) 35%, transparent);
}

/* quest cards */
.quests {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin: 6px 0;
}
.quest {
  border: 1px solid color-mix(in oklch, var(--fg-muted) 30%, transparent);
  border-radius: 6px;
  padding: 10px 12px;
  background: color-mix(in oklch, var(--accent) 4%, transparent);
}
.quest .h {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .05em;
  margin-bottom: 4px;
}
.quest .h::before { content: "▸ "; color: var(--accent-2); }
.quest .d { color: var(--fg-dim); font-size: 12px; }

/* contact links */
.connect a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}
.connect a:hover { color: var(--accent-3); }

.spinner {
  display: inline-block;
  font-weight: bold;
}

/* matrix overlay */
.matrix-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9999;
  display: grid;
  place-items: center;
}
.matrix-overlay canvas { width: 100%; height: 100%; display: block; position: absolute; inset: 0; }
.matrix-overlay .hint {
  position: relative;
  color: #34d399;
  text-shadow: 0 0 12px #34d399;
  font-size: 14px;
  background: rgba(0,0,0,.6);
  padding: 6px 14px;
  border-radius: 4px;
  border: 1px solid #34d399;
}

/* shake on error */
@keyframes shake {
  0%,100% { transform: translateX(0); }
  20% { transform: translateX(-3px); }
  40% { transform: translateX(3px); }
  60% { transform: translateX(-2px); }
  80% { transform: translateX(2px); }
}
.shake { animation: shake .3s; }

/* glitch text */
.glitch {
  position: relative;
  display: inline-block;
  color: var(--accent);
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0;
  width: 100%;
}
.glitch::before { color: var(--accent-3); transform: translate(2px, 0); mix-blend-mode: screen; clip-path: inset(0 0 60% 0); }
.glitch::after  { color: var(--accent-2); transform: translate(-2px, 0); mix-blend-mode: screen; clip-path: inset(60% 0 0 0); }

/* progress bar */
.progress {
  display: inline-block;
  background: color-mix(in oklch, var(--fg-muted) 30%, transparent);
  width: 200px; height: 8px;
  border-radius: 2px;
  vertical-align: middle;
  overflow: hidden;
}
.progress > i {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .15s linear;
}

/* tweaks panel */
.tweaks {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 280px;
  background: var(--bg-chrome);
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  border-radius: 8px;
  padding: 12px 14px;
  z-index: 50;
  display: none;
  box-shadow: 0 12px 40px rgba(0,0,0,.6), var(--glow);
}
.tweaks.show { display: block; }
.tweaks .head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 10px;
}
.tweaks .head h3 {
  margin: 0; font-size: 12px; color: var(--accent);
  letter-spacing: .15em; text-transform: uppercase;
}
.tweaks .head button {
  background: transparent; border: 0; color: var(--fg-muted);
  font: inherit; cursor: pointer; font-size: 14px;
}
.tweaks .head button:hover { color: var(--accent-3); }
.tweaks .row { margin-bottom: 12px; }
.tweaks .row:last-child { margin-bottom: 0; }
.tweaks .label {
  font-size: 10px; color: var(--fg-muted); letter-spacing: .15em;
  text-transform: uppercase; margin-bottom: 6px;
}
.tweaks .swatches { display: flex; gap: 6px; }
.tweaks .swatch {
  width: 100%; aspect-ratio: 1;
  border-radius: 6px;
  border: 2px solid transparent;
  background: var(--sw);
  cursor: pointer;
  position: relative;
}
.tweaks .swatch.active { border-color: var(--fg); }
.tweaks .swatch .name {
  position: absolute; bottom: 4px; left: 0; right: 0;
  text-align: center; font-size: 9px;
  color: rgba(255,255,255,.95);
  text-shadow: 0 0 4px rgba(0,0,0,.7);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.tweaks .toggle {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--fg);
}
.tweaks .toggle input { accent-color: var(--accent); }

.hint-bar {
  position: absolute;
  bottom: 14px; right: 22px;
  color: var(--fg-muted);
  font-size: 11px;
  pointer-events: none;
  z-index: 4;
}
.hint-bar kbd {
  font: inherit;
  border: 1px solid color-mix(in oklch, var(--fg-muted) 50%, transparent);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--fg-dim);
}

/* CTF post-clear flair */
.prompt-line.ctf-star .prompt .sigil::before {
  content: "★ ";
  color: var(--accent3, var(--accent-3));
  text-shadow: 0 0 8px var(--accent-3);
}
.titlebar .right.ctf-elite::before {
  content: "ELITE";
  color: var(--accent-3);
  font-size: 10px;
  letter-spacing: .18em;
  border: 1px solid var(--accent-3);
  padding: 1px 5px;
  border-radius: 3px;
  text-shadow: 0 0 8px color-mix(in oklch, var(--accent-3) 60%, transparent);
}

.connect-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
}
.connect-link:hover { color: var(--accent-3); }

/* ─── mobile ─── */
@media (max-width: 600px) {
  body { overflow: auto; font-size: 12px; }
  .desktop { padding: 0; position: relative; min-height: 100dvh; }
  .term-window {
    border-radius: 0;
    min-height: 100dvh;
    box-shadow: none;
  }
  .term-window::before { border-radius: 0; }
  .titlebar {
    grid-template-columns: 60px 1fr auto;
    padding: 0 10px;
    font-size: 10px;
    height: 32px;
  }
  .tab-title { font-size: 10px; }
  .titlebar .right { font-size: 9px; gap: 4px; }
  .dots { gap: 5px; }
  .dot { width: 9px; height: 9px; }
  .term-window { grid-template-rows: 32px 1fr; }
  .screen { padding: 10px 8px 70px 8px; }
  .line { font-size: 11px; }
  .banner { font-size: 6.5px; overflow-x: auto; margin: 2px 0 6px; }
  .banner-sub { font-size: 11px; }
  .boot-line { font-size: 11px; gap: 6px; flex-wrap: wrap; }
  .boot-line .tag { min-width: 48px; }
  .prompt-line { gap: 4px; }
  .prompt { font-size: 11px; }
  #cmdline { font-size: 16px; }
  .hint-bar { display: none; }

  .kv { grid-template-columns: 9ch 1fr; gap: 2px 6px; font-size: 11px; }
  .neofetch { grid-template-columns: 1fr; gap: 8px; }
  .neofetch .logo { font-size: 7px; overflow-x: auto; }
  .neofetch .info { font-size: 11px; gap: 2px 6px; grid-template-columns: auto 1fr; }
  .proj { grid-template-columns: 1fr; gap: 2px; font-size: 11px; }
  .proj .tag { font-size: 10px; }
  .skills { grid-template-columns: 1fr; gap: 4px; }
  .skill { font-size: 11px; }
  .quests { grid-template-columns: 1fr; gap: 8px; }
  .quest { padding: 8px 10px; }
  .quest .h, .quest .d { font-size: 11px; }
  .badges { gap: 4px; }
  .badge { font-size: 10px; padding: 2px 6px; }
  .progress { width: 120px; }
  .colorbar span { width: 16px; height: 10px; }

  .tweaks {
    right: 8px; bottom: 8px; left: 8px;
    width: auto;
  }
}