/* ============================================================
   ascii-port — monochrome terminal portfolio
   ============================================================ */

:root {
  --bg:        #0b0b0c;
  --bg-soft:   #141416;
  --fg:        #e8e8e6;
  --dim:       #8a8a86;
  --faint:     #4a4a48;
  --line:      #2a2a2c;
  --accent:    #ffffff;
  --sel-bg:    #e8e8e6;
  --sel-fg:    #0b0b0c;
  --glow:      0 0 2px rgba(232,232,230,.35);
  --scan:      rgba(0,0,0,.28);
  --cell:      14px;   /* fx grid cell size */
  --font: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo,
          Consolas, "DejaVu Sans Mono", monospace;
}

[data-theme="light"] {
  --bg:        #f3f1ea;
  --bg-soft:   #e9e7df;
  --fg:        #16140f;
  --dim:       #5d5a52;
  --faint:     #b3afa3;
  --line:      #cfcabc;
  --accent:    #000000;
  --sel-bg:    #16140f;
  --sel-fg:    #f3f1ea;
  --glow:      none;
  --scan:      rgba(0,0,0,.05);
}

* { box-sizing: border-box; }

/* the [hidden] attribute must win over id-level display rules below */
[hidden] { display: none !important; }

html, body {
  margin: 0; height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.35;
  overflow: hidden;
  cursor: none;
}

a { color: inherit; }

/* ---- fx layers ---- */
#fx {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
#crt {
  position: fixed; inset: 0; z-index: 5; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom, transparent 0, transparent 2px, var(--scan) 3px, transparent 4px);
  mix-blend-mode: multiply;
}
[data-theme="dark"] #crt::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(120% 100% at 50% 50%, transparent 55%, rgba(0,0,0,.55) 100%);
}

#cursor {
  position: fixed; top: 0; left: 0; z-index: 9999;
  width: 9px; height: 18px;
  background: #fff;
  mix-blend-mode: difference;
  transform: translate(-50%, -50%);
  pointer-events: none;
  transition: width .08s, height .08s, opacity .2s;
}
#cursor.link { width: 20px; height: 20px; border-radius: 50%; }
#cursor.hidden { opacity: 0; }
/* touch devices can't hover, so a tap fires a synthetic mouseover with no
   matching mouseout — the custom cursor would stay stuck where you tapped.
   There's no pointer to track on touch anyway, so just hide it. */
@media (hover: none), (pointer: coarse) {
  #cursor { display: none !important; }
  html, body { cursor: auto; }
}

/* ---- screen layout ---- */
#screen {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  height: 100%;
  padding: 10px 14px 6px;
}

#topbar {
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px; margin-bottom: 8px;
  color: var(--dim); font-size: 13px;
  text-shadow: var(--glow);
}
.tb-left { color: var(--fg); font-weight: 700; cursor: none; transition: color .15s, text-shadow .15s; }
.tb-left:hover { color: var(--accent); text-shadow: var(--glow); }
.tb-left:active { opacity: .7; }
.tb-mid  { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tb-right { display: flex; align-items: center; gap: 14px; }
#theme-btn { background: none; border: none; color: var(--dim); font: inherit; cursor: none; }
#theme-btn:hover { color: var(--fg); }

#viewport {
  flex: 1; overflow: auto; position: relative;
  padding-right: 4px;
}
#viewport::-webkit-scrollbar { width: 8px; }
#viewport::-webkit-scrollbar-thumb { background: var(--faint); }

/* ---- terminal output ---- */
#output { text-shadow: var(--glow); white-space: pre-wrap; word-break: break-word; }
.line { white-space: pre-wrap; }
.banner { color: var(--fg); white-space: pre; line-height: 1.0; font-size: 13px;
          text-shadow: var(--glow); }
.dim { color: var(--dim); }
.faint { color: var(--faint); }
.bright { color: var(--accent); font-weight: 700; }
.err { color: var(--fg); }
.muted-box { border: 1px solid var(--line); padding: 6px 10px; margin: 6px 0; }

.cmd-echo { color: var(--dim); }
.cmd-echo b { color: var(--fg); }

/* clickable command chips */
.cmd-link {
  color: var(--accent); font-weight: 700;
  border-bottom: 1px dashed var(--dim);
  padding: 0 2px;
}
.cmd-link:hover { background: var(--sel-bg); color: var(--sel-fg); border-bottom-color: transparent; }

/* about composite */
.about { display: flex; gap: 22px; flex-wrap: wrap; align-items: flex-start; margin: 4px 0 10px; }
.about .portrait { white-space: pre; line-height: 1.0; font-size: 7px; letter-spacing: 0; }
.about .bio { max-width: 60ch; }
.about .bio h2 { margin: 0 0 8px; font-size: 18px; letter-spacing: 2px; }
.about .bio .k { color: var(--dim); }

/* about — numbered txt blocks */
.ab-block { border: 1px solid var(--line); margin: 12px 0; max-width: 80ch; }
.ab-head {
  display: flex; align-items: baseline; gap: 10px;
  background: var(--bg-soft); border-bottom: 1px solid var(--line);
  padding: 4px 12px; font-weight: 700; letter-spacing: 2px;
}
.ab-num { color: var(--dim); font-weight: 700; }
.ab-file { margin-left: auto; color: var(--faint); font-weight: 400; letter-spacing: 0; font-size: 12px; }
.ab-body { padding: 8px 12px; white-space: pre-wrap; word-break: break-word; }
.ab-body a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.ab-body a:hover { color: var(--accent); }

/* projects — titled blocks (reuse .ab-block) + attachments */
.proj-title { letter-spacing: 3px; }
.ab-body .pdf-frame {
  display: block; width: 100%; height: 70vh;
  border: 1px solid var(--line); background: #fff;
}
.ab-body .proj-links { margin-top: 8px; letter-spacing: 0; white-space: normal; }

/* help table */
.help-grid { display: grid; grid-template-columns: max-content 1fr; gap: 2px 18px; margin: 4px 0; }
.help-grid .c { color: var(--accent); font-weight: 700; }

/* ---- MC panel ---- */
#panel { border: 1px solid var(--line); display: flex; flex-direction: column; min-height: 100%; }
.panel-head {
  display: flex; justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 4px 10px; color: var(--dim);
  background: var(--bg-soft);
}
.panel-head .crumb { color: var(--fg); }
.panel-list { flex: 1; padding: 2px 0; }
.row {
  display: flex; gap: 10px; padding: 1px 10px; white-space: nowrap;
  overflow: hidden;
}
.row .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.row .meta { color: var(--dim); font-size: 12px; }
.row .tag { color: var(--dim); width: 6ch; }
.row.dir .nm { font-weight: 700; }
.row.sel { background: var(--sel-bg); color: var(--sel-fg); }
.row.sel .meta, .row.sel .tag { color: var(--sel-fg); }
.panel-foot { border-top: 1px solid var(--line); padding: 4px 10px; color: var(--dim); font-size: 12px;
              display: flex; justify-content: space-between; }

/* ---- prompt ---- */
#promptwrap { position: relative; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 6px; }
/* tiny critter perched on the terminal edge (cow by day, UFO by night) */
#critter {
  position: absolute; right: 30px; bottom: calc(100% - 10px);
  font-size: 7px; line-height: 1.05;
  color: var(--dim); text-shadow: var(--glow); pointer-events: none;
}
#critter pre { margin: 0; white-space: pre; }
#promptline { white-space: pre-wrap; word-break: break-word; text-shadow: var(--glow); }
/* hidden keyboard-summoning input (touch). kept renderable (not display:none)
   so focus() can raise the soft keyboard; 16px avoids iOS focus-zoom. */
#kbd {
  position: absolute; left: 0; bottom: 0;
  width: 1px; height: 1px;
  opacity: 0; border: 0; padding: 0; margin: 0;
  background: transparent; color: transparent; caret-color: transparent;
  font-size: 16px;
}
#ps1 { color: var(--dim); }
#cwd { color: var(--fg); }
#typed { color: var(--fg); }
#caret {
  display: inline-block; width: 9px; transform: translateY(1px);
  background: var(--fg); color: var(--fg);
  animation: blink 1.05s steps(1) infinite;
}
#caret.off { visibility: hidden; }
@keyframes blink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

#hints {
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
  color: var(--faint); font-size: 12px;
  padding: 6px 0 2px; border-top: 1px dashed var(--line); margin-top: 6px;
}
#hints b { color: var(--dim); }
.hint-keys { white-space: normal; }

/* ---- modal viewer ---- */
#modal {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  padding: 24px;
}
#modal-box {
  background: var(--bg); border: 1px solid var(--fg);
  max-width: min(96vw, 1100px); max-height: 92vh;
  display: flex; flex-direction: column;
  box-shadow: 0 0 0 4px var(--bg), 0 0 30px rgba(0,0,0,.6);
}
#modal-title {
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--line); padding: 5px 10px;
  background: var(--bg-soft); color: var(--fg); font-weight: 700;
}
#modal-close { background: none; border: none; color: var(--dim); font: inherit; cursor: none; }
#modal-close:hover { color: var(--fg); }
#modal-body { overflow: auto; padding: 10px 12px; }
#modal-body pre { margin: 0; white-space: pre; }
#modal-body .text { white-space: pre-wrap; word-break: break-word; }
.ascii-art { white-space: pre; line-height: 1.0; letter-spacing: 0; font-size: 8px; }
.ascii-art.mono { color: var(--fg); }

/* colored ascii is calibrated for a dark backdrop — in light mode give it a
   dark semi-transparent frame + a bit more contrast so light pixels stay visible */
[data-theme="light"] .ascii-art:not(.mono) {
  background: rgba(8, 8, 10, 0.5);
  padding: 10px;
  border: 1px solid var(--line);
  filter: contrast(1.12) saturate(1.15);
}
#modal-actions {
  display: flex; gap: 10px; flex-wrap: wrap;
  border-top: 1px solid var(--line); padding: 7px 12px; color: var(--dim);
}
.btn {
  background: none; border: 1px solid var(--line); color: var(--fg);
  font: inherit; padding: 3px 12px; cursor: none;
}
.btn:hover { background: var(--sel-bg); color: var(--sel-fg); }

/* ---- narrow screens (phones) ---- */
@media (max-width: 640px) {
  html, body { font-size: 13px; line-height: 1.5; }
  /* veil the busy starfield/clouds ~13% so text on top stays readable.
     sits above #fx (z0) and below content, tinted toward the theme bg. */
  #screen {
    padding: 10px 13px 6px;
    background: color-mix(in srgb, var(--bg) 13%, transparent);
  }

  #topbar { gap: 8px; font-size: 12px; padding-bottom: 8px; margin-bottom: 10px; }
  .tb-right { gap: 12px; }

  /* name banner scales to the viewport so it never overflows, kept tight */
  .banner { font-size: clamp(8px, 2.7vw, 11px); line-height: 1.05; }
  #output > .line + .line { margin-top: 3px; }

  /* main page: stack the ascii portrait above a full-width bio, centered */
  .about { flex-direction: column; align-items: center; gap: 14px; margin: 12px 0; }
  .about .portrait { font-size: 6px; align-self: center; }
  .about .bio { width: 100%; max-width: 100%; }
  .about .bio h2 { font-size: 17px; margin-bottom: 10px; letter-spacing: 1px; }
  .about .bio .text { color: var(--dim); }

  .ab-block { margin: 12px 0; }
  .ab-head { padding: 7px 11px; }
  .ab-body { padding: 9px 11px; }
  .ab-body .pdf-frame { height: 58vh; }

  /* modal goes full-screen with bigger, finger-friendly controls */
  #modal { padding: 0; }
  #modal-box {
    width: 100vw; height: 100%; max-width: 100vw; max-height: 100vh;
    border: 0; box-shadow: none;
  }
  #modal-title { padding: 11px 13px; }
  #modal-close { padding: 6px 10px; font-size: 18px; }
  #modal-actions { gap: 8px; padding: 11px 13px; }
  .btn { padding: 8px 14px; }
}

/* ---- touch devices (no hovering pointer) ---- */
@media (hover: none), (pointer: coarse) {
  /* keyboard-only hints are useless on touch */
  #hints { display: none; }

  /* bigger tap targets in the file manager (rows were 1px tall to the touch) */
  .row { padding: 12px 12px; gap: 12px; align-items: center; }
  .row .meta, .row .tag { font-size: 13px; }
  .panel-head, .panel-foot { padding: 10px 12px; }

  /* discoverability: invite the user to tap the prompt to type */
  #typed:empty + #caret { display: none; }
  #typed:empty::after {
    content: "› нажмите, чтобы ввести команду";
    color: var(--faint); font-weight: 400;
  }
}