/* ============================================================
   C4REPLIKA // CORE TERMINAL
   Cyberpunk hacker terminal — green-on-black, CRT, monospace.
   ============================================================ */

:root {
  --bg:           #0a0a0f;
  --bg-soft:      #0d0d14;
  --green:        #aaff00;
  --green-bright: #ccff00;
  --green-dim:    #6f8a00;
  --text:         #b9be9e;  /* warm dim body text */
  --text-soft:    #8a8f74;  /* secondary / descriptions */
  --sys:          #565b44;  /* boot logs / metadata */
  --border:       #20271a;
  --glow:         rgba(170, 255, 0, 0.55);

  --bezel:        24px;
  --bar-h:        40px;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

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

.hidden { display: none !important; }

/* ----------------------------------------------------------------
   CRT overlays
   ---------------------------------------------------------------- */
.crt-scanlines,
.crt-flicker,
.crt-beam,
.crt-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.crt-scanlines {
  z-index: 100;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0)   0px,
    rgba(0, 0, 0, 0)   2px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0.18) 4px
  );
  mix-blend-mode: multiply;
}

/* faint moving horizontal beam */
.crt-beam {
  z-index: 101;
  height: 140px;
  inset: auto 0 auto 0;
  background: linear-gradient(
    to bottom,
    rgba(170, 255, 0, 0) 0%,
    rgba(170, 255, 0, 0.035) 50%,
    rgba(170, 255, 0, 0) 100%
  );
  animation: beam 7.5s linear infinite;
}

@keyframes beam {
  0%   { transform: translateY(-160px); }
  100% { transform: translateY(100vh); }
}

/* subtle screen flicker */
.crt-flicker {
  z-index: 102;
  background: rgba(170, 255, 0, 0.012);
  animation: flicker 0.12s infinite steps(2, end);
}

@keyframes flicker {
  0%   { opacity: 0.10; }
  50%  { opacity: 0.02; }
  100% { opacity: 0.07; }
}

/* edge vignette / chromatic falloff */
.crt-vignette {
  z-index: 103;
  background: radial-gradient(
    120% 120% at 50% 50%,
    rgba(0, 0, 0, 0) 55%,
    rgba(0, 0, 0, 0.55) 100%
  );
}

@media (prefers-reduced-motion: reduce) {
  .crt-flicker, .crt-beam { animation: none; opacity: 0.04; }
  .caret { animation: none; }
}

/* ----------------------------------------------------------------
   Status bar
   ---------------------------------------------------------------- */
.statusbar {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--bar-h);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--bezel);
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.prompt-glow {
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  text-shadow: 0 0 6px var(--glow);
}

.statusbar__right {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sys);
}

.sb-item { white-space: nowrap; }
.sb-sep  { color: var(--border); }
.ok      { color: var(--green); text-shadow: 0 0 6px var(--glow); }

.sb-signal {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 12px;
}
.sb-signal i {
  width: 3px;
  background: var(--green-dim);
  display: block;
}
.sb-signal i:nth-child(1) { height: 3px; }
.sb-signal i:nth-child(2) { height: 5px; }
.sb-signal i:nth-child(3) { height: 7px; }
.sb-signal i:nth-child(4) { height: 9px; }
.sb-signal i:nth-child(5) { height: 12px; }
.sb-signal i.lit {
  background: var(--green);
  box-shadow: 0 0 5px var(--glow);
}
.sb-pct { color: var(--green); }

@media (max-width: 720px) {
  .sb-item.sb-pct, .sb-sep, .sb-signal { display: none; }
  .statusbar__right { gap: 8px; }
}
@media (max-width: 480px) {
  .statusbar__right .sb-item:not(#uptime-wrap) { font-size: 9px; }
  .conn-hide { display: none; }
}

/* ----------------------------------------------------------------
   Terminal body
   ---------------------------------------------------------------- */
.terminal {
  position: absolute;
  inset: var(--bar-h) 0 var(--bar-h) 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--bezel);
  outline: none;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.terminal::-webkit-scrollbar { width: 6px; }
.terminal::-webkit-scrollbar-track { background: transparent; }
.terminal::-webkit-scrollbar-thumb { background: var(--border); }

/* boot logs */
.boot {
  font-size: 12px;
  line-height: 18px;
  color: var(--sys);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.boot p { margin: 0; }
.boot .done    { color: var(--green-dim); }
.boot .granted { color: var(--green); text-shadow: 0 0 6px var(--glow); }

/* wordmark */
.brand { margin-top: 22px; }
.wordmark {
  margin: 0;
  color: var(--green);
  font-weight: 700;
  line-height: 1;
  white-space: pre;
  overflow-x: auto;
  text-shadow: 0 0 8px var(--glow), 0 0 18px rgba(170, 255, 0, 0.25);
  font-size: clamp(5px, 1.18vw, 13px);
  user-select: none;
  scrollbar-width: none;
}
.wordmark::-webkit-scrollbar { display: none; }

.tagline {
  margin: 16px 0 0;
  color: var(--green);
  font-weight: 700;
  text-shadow: 0 0 5px var(--glow);
}
.kbd {
  color: var(--bg);
  background: var(--green);
  padding: 0 5px;
  font-weight: 700;
  text-shadow: none;
  box-shadow: 0 0 8px var(--glow);
}

/* command history */
.history { margin-top: 20px; }

.cmd-block { margin-top: 16px; }
.cmd-block:first-child { margin-top: 0; }

.cmd-echo {
  display: flex;
  gap: 8px;
  font-weight: 700;
}
.cmd-echo .prompt { color: var(--green); text-shadow: 0 0 5px var(--glow); flex-shrink: 0; }
.cmd-echo .typed  { color: var(--green-bright); }

.cmd-out {
  margin-top: 6px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
  color: var(--text-soft);
}
.cmd-out p { margin: 0 0 2px; }
.cmd-out a { color: var(--green); text-decoration: none; }
.cmd-out a:hover { text-shadow: 0 0 6px var(--glow); text-decoration: underline; }
.cmd-out .err { color: #ffb44a; }
.cmd-out .hl  { color: var(--green); }
.cmd-out .muted { color: var(--sys); }

/* help / list grid */
.cmd-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 48px;
}
@media (min-width: 640px) {
  .cmd-grid { grid-template-columns: 1fr 1fr; }
}
.cmd-grid .row { display: flex; gap: 18px; }
.cmd-grid .row .name {
  color: var(--green);
  width: 96px;
  flex-shrink: 0;
}
.cmd-grid .row .desc { color: var(--text-soft); }

/* listing rows (projects / games) */
.list-item { margin-bottom: 8px; }
.list-item .idx { color: var(--sys); }
.list-item .title { color: var(--green); }
.list-item .meta { color: var(--text-soft); }
.tag {
  font-size: 10px;
  letter-spacing: 0.05em;
  padding: 0 5px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  text-transform: uppercase;
}
.tag.live { color: var(--green); border-color: var(--green-dim); }
.tag.wip  { color: #ffb44a; border-color: #5a4419; }

/* active input line */
.inputline {
  display: flex;
  gap: 8px;
  margin-top: 18px;
  font-weight: 700;
  align-items: baseline;
}
.inputline .prompt { color: var(--green); text-shadow: 0 0 5px var(--glow); flex-shrink: 0; }

.inputwrap {
  position: relative;
  flex: 1;
  min-width: 0;
  display: inline-flex;
  align-items: center;
}
.mirror {
  color: var(--green-bright);
  white-space: pre;
  text-shadow: 0 0 5px var(--glow);
  min-height: 20px;
}
.caret {
  display: inline-block;
  width: 9px;
  height: 17px;
  background: var(--green);
  box-shadow: 0 0 8px var(--glow);
  animation: blink 1.05s step-end infinite;
  transform: translateY(2px);
}
.caret.idle { opacity: 0.45; }
@keyframes blink { 50% { opacity: 0; } }

/* real input sits transparently on top to capture keystrokes + mobile keyboard */
.cmd-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
  outline: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: transparent;
  caret-color: transparent;
}

.bottom-pad { height: 40px; }

/* ----------------------------------------------------------------
   Footer
   ---------------------------------------------------------------- */
.footer {
  position: fixed;
  bottom: 0; left: 0;
  width: 100%;
  height: var(--bar-h);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--bezel);
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  font-size: 10px;
  letter-spacing: 0.05em;
}
.footer__left {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--green);
  text-shadow: 0 0 5px var(--glow);
}
.footer__left .dot { color: var(--border); }
.footer__left .dim { color: var(--sys); text-shadow: none; }

.footer__right { color: var(--sys); }
.footer__right .dim { color: var(--sys); }
@media (max-width: 560px) { .footer__right { display: none; } }

.footer__social { display: flex; align-items: center; gap: 18px; }
.social {
  color: var(--sys);
  display: inline-flex;
  transition: color 0.15s ease, filter 0.15s ease, transform 0.15s ease;
}
.social:hover {
  color: var(--green);
  filter: drop-shadow(0 0 7px var(--glow));
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  :root { --bezel: 14px; }
  .footer__left .dim { display: none; }
}

/* ----------------------------------------------------------------
   Game cartridge boot sequence
   ---------------------------------------------------------------- */
.boot-seq p { color: #9fe8a0; margin: 2px 0; font-size: 14px; }

/* CRT power-off collapse — applied to body so entire viewport collapses */
.crt-handoff { animation: crt-off 0.65s ease-in forwards; }

@keyframes crt-off {
  0%   { filter: brightness(1); }
  35%  { filter: brightness(2.4) contrast(1.6); }
  60%  { transform: scaleY(0.02) scaleX(1.4); filter: brightness(6); }
  100% { transform: scaleY(0.002) scaleX(0); filter: brightness(10); }
}