/* ===========================================================================
   TERMINAL SHELL — phosphor palette, CRT monitor bezel, pixel type, mascot.
   =========================================================================== */

:root {
  --bg: #030703;
  --fg: #8cff8c;
  --fg-bright: #d4ffd4;
  --accent: #00ff41;
  --accent-dim: #0a4a17;
  --scr: #04140a;          /* screen interior */
  --bezel: #14181a;
  --bezel-2: #0a0d0e;
  --bezel-edge: #2a3134;
  --font-pixel: "Press Start 2P", monospace;
  --font-term: "VT323", "Lucida Console", monospace;
}

* { box-sizing: border-box; }

/* ---- CRT MONITOR BEZEL --------------------------------------------------- */
/* The whole composition sits inside a chunky plastic monitor shell. */
.crt {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 26px;
  padding: 30px 30px 46px;
  background:
    linear-gradient(180deg, #1b2022 0%, #121617 55%, #0b0e0f 100%);
  box-shadow:
    inset 0 2px 0 rgba(255,255,255,0.06),
    inset 0 -3px 8px rgba(0,0,0,0.6),
    0 30px 60px rgba(0,0,0,0.55),
    0 2px 0 #04060700;
  border: 1px solid var(--bezel-edge);
  display: flex;
  flex-direction: column;
}
/* maker badge + power LED on the chin */
.crt::after {
  content: "PHOSPHOR-9";
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: 0.18em;
  color: #3a4447;
}
.crt-led {
  position: absolute;
  right: 30px;
  bottom: 16px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent), 0 0 2px #fff inset;
  animation: led-pulse 3.4s ease-in-out infinite;
}
@keyframes led-pulse { 0%,100%{opacity:.55} 50%{opacity:1} }

/* The glass screen itself */
.screen {
  position: relative;
  flex: 1;
  min-height: 0;
  border-radius: 14px;
  background:
    radial-gradient(120% 120% at 50% 30%, rgba(0,40,12,0.55) 0%, var(--scr) 60%, #020a05 100%);
  overflow: hidden;
  border: 1px solid #0c2a14;
  box-shadow:
    inset 0 0 0 2px #000,
    inset 0 0 60px rgba(0,0,0,0.75),
    inset 0 0 120px rgba(0,255,65,0.05);
}
/* faint vignette only — minimal-effects brief */
.screen::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: radial-gradient(130% 130% at 50% 50%, transparent 62%, rgba(0,0,0,0.55) 100%);
  border-radius: 14px;
}
.screen::before {
  content: attr(data-mode-label);
  position: absolute;
  right: 12px;
  top: 10px;
  z-index: 4;
  font-family: var(--font-pixel);
  font-size: 8px;
  letter-spacing: 0.14em;
  color: rgba(140, 255, 140, 0.7);
  text-shadow: 0 0 8px rgba(0, 255, 65, 0.35);
  pointer-events: none;
}
.rain {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 320ms ease;
}
.screen.screen-terminal-mode .rain { opacity: 0.18; }
.screen.screen-terminal-mode::after { opacity: 0.65; }
.screen-content {
  position: relative;
  z-index: 2;
  width: 100%; height: 100%;
  padding: 26px 30px;
  display: flex;
  flex-direction: column;
  color: var(--fg);
  font-family: var(--font-term);
}

/* ---- TYPE ---------------------------------------------------------------- */
.kicker {
  font-family: var(--font-pixel);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--accent);
  text-shadow: 0 0 10px rgba(0,255,65,0.5);
}
.h-pixel {
  font-family: var(--font-pixel);
  color: var(--fg-bright);
  line-height: 1.5;
  text-shadow: 0 0 12px rgba(0,255,65,0.45);
  margin: 0;
}
.term-line { font-family: var(--font-term); font-size: 22px; line-height: 1.25; }
.term-dim { color: var(--accent-dim); }
.term-mid { color: var(--fg); }
.term-bright { color: var(--fg-bright); }
.prompt::before { content: "visitor@phosphor:~$ "; color: var(--accent); }
.caret {
  display: inline-block; width: 11px; height: 20px;
  background: var(--fg-bright); margin-left: 2px; vertical-align: -3px;
  animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { opacity: 0; } }

/* speech bubble (pixel) */
.bubble {
  position: relative;
  align-self: flex-start;
  max-width: 80%;
  background: #06200f;
  border: 2px solid var(--accent);
  color: var(--fg-bright);
  font-family: var(--font-term);
  font-size: 23px;
  line-height: 1.2;
  padding: 14px 18px;
  box-shadow: 0 0 0 3px #000, 6px 6px 0 0 rgba(0,255,65,0.18);
}
.bubble::after {
  content: ""; position: absolute; left: 34px; bottom: -12px;
  width: 18px; height: 12px; background: #06200f;
  border-right: 2px solid var(--accent); border-bottom: 2px solid var(--accent);
  transform: skewX(-18deg);
}

/* a green pixel button */
.pix-btn {
  font-family: var(--font-pixel);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #021006;
  background: var(--accent);
  border: none;
  padding: 14px 20px;
  box-shadow: 0 0 0 3px #000, 5px 5px 0 0 #064d1d, 0 0 24px rgba(0,255,65,0.45);
  cursor: pointer;
}
.pix-btn:active { transform: translate(2px,2px); }
.pix-btn.ghost {
  color: var(--accent);
  background: transparent;
  box-shadow: 0 0 0 3px #000, inset 0 0 0 2px var(--accent), 5px 5px 0 0 #064d1d;
}
.pix-btn.ghost:hover { background: rgba(0,255,65,0.08); }

/* =====================================================================
   MASCOT "BYTE" — CRT-headed pixel creature, claw hands, ASCII eyes.
   Scales with --u (pixel unit). Tint with --mc / --mc-dark / --eye.
   ===================================================================== */
.mascot {
  --u: 5px;
  --mc: #19d35a;          /* body green */
  --mc-dark: #073d1b;     /* outline */
  --mc-lite: #57ff97;     /* highlight */
  --eye: #c9ffd6;         /* ASCII eye glow */
  --screenbg: #02120a;
  position: relative;
  width: calc(34 * var(--u));
  height: calc(40 * var(--u));
  image-rendering: pixelated;
  flex: none;
}
.mascot.m-hop { animation: m-hop 0.36s ease; }
@keyframes m-hop { 0%,100%{transform:translateY(0)} 40%{transform:translateY(calc(-2.2 * var(--u)))} }

/* antenna */
.m-antenna {
  position: absolute; left: 50%; top: calc(-4 * var(--u));
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
}
.m-ant-stalk { width: calc(2 * var(--u)); height: calc(5 * var(--u)); background: var(--mc-dark); }
.m-ant-tip {
  width: calc(4 * var(--u)); height: calc(4 * var(--u));
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent), inset 0 0 0 var(--u) #021006;
  animation: led-pulse 2.2s ease-in-out infinite;
}

/* HEAD = little CRT */
.m-head {
  position: absolute; left: 50%; top: calc(2 * var(--u));
  transform: translateX(-50%);
  width: calc(26 * var(--u));
  height: calc(20 * var(--u));
  background: var(--mc);
  border: var(--u) solid var(--mc-dark);
  /* blocky 'rounded' pixel corners */
  clip-path: polygon(
    var(--u) 0, calc(100% - var(--u)) 0, 100% var(--u),
    100% calc(100% - var(--u)), calc(100% - var(--u)) 100%,
    var(--u) 100%, 0 calc(100% - var(--u)), 0 var(--u));
  box-shadow: inset calc(-1 * var(--u)) calc(-1 * var(--u)) 0 0 rgba(0,0,0,0.18),
              inset var(--u) var(--u) 0 0 var(--mc-lite);
}
.m-screen {
  position: absolute; inset: calc(3 * var(--u)) calc(3 * var(--u));
  background: var(--screenbg);
  border: calc(0.6 * var(--u)) solid #021c0e;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 0 calc(3 * var(--u)) rgba(0,255,65,0.25);
}
.m-scan {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background: repeating-linear-gradient(0deg, transparent 0, transparent calc(0.8 * var(--u)),
    rgba(0,0,0,0.45) calc(0.8 * var(--u)), rgba(0,0,0,0.45) calc(1.6 * var(--u)));
}
.m-face {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  gap: calc(0.6 * var(--u));
  color: var(--eye);
  text-shadow: 0 0 calc(1.4 * var(--u)) rgba(120,255,160,0.85);
}
.m-eyes { display: flex; gap: calc(3.4 * var(--u)); }
.m-eye {
  font-family: var(--font-pixel);
  font-size: calc(3.2 * var(--u));
  font-weight: 400; line-height: 1; font-style: normal;
  width: calc(3.4 * var(--u)); text-align: center;
}
.m-mouth {
  font-family: var(--font-term);
  font-size: calc(4 * var(--u));
  line-height: 0.7; margin-top: calc(-0.4 * var(--u));
}

/* BODY */
.m-body {
  position: absolute; left: 50%; top: calc(23 * var(--u));
  transform: translateX(-50%);
  width: calc(18 * var(--u)); height: calc(11 * var(--u));
  background: var(--mc);
  border: var(--u) solid var(--mc-dark);
  clip-path: polygon(
    var(--u) 0, calc(100% - var(--u)) 0, 100% var(--u),
    100% 100%, 0 100%, 0 var(--u));
  display: flex; align-items: center; justify-content: center;
  gap: calc(1.6 * var(--u));
  box-shadow: inset var(--u) var(--u) 0 0 var(--mc-lite);
}
.m-led {
  width: calc(1.6 * var(--u)); height: calc(1.6 * var(--u));
  background: #053; box-shadow: inset 0 0 0 1px #021;
}
.m-led:nth-child(1){ background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.m-led:nth-child(3){ background: #ffd200; box-shadow: 0 0 6px #ffd200; }

/* ARMS + CLAW PINCERS */
.m-arm {
  position: absolute; top: calc(24 * var(--u));
  width: calc(6 * var(--u)); height: calc(2.2 * var(--u));
  background: var(--mc-dark);
}
.m-arm-l { left: calc(0 * var(--u)); transform-origin: right center; transform: rotate(8deg); }
.m-arm-r { right: calc(0 * var(--u)); transform-origin: left center; transform: rotate(-8deg); }
.m-claw {
  position: absolute; top: 50%; width: calc(4 * var(--u)); height: calc(6 * var(--u));
  transform: translateY(-50%);
  display: flex; flex-direction: column; justify-content: space-between;
}
.m-arm-l .m-claw { left: calc(-4 * var(--u)); }
.m-arm-r .m-claw { right: calc(-4 * var(--u)); }
.m-claw i {
  display: block; width: 100%; height: calc(2 * var(--u));
  background: var(--mc);
  border: calc(0.6 * var(--u)) solid var(--mc-dark);
}
.m-arm-l .m-claw i:first-child { clip-path: polygon(0 0, 100% 0, 60% 100%, 0 100%); }
.m-arm-l .m-claw i:last-child  { clip-path: polygon(0 0, 60% 0, 100% 100%, 0 100%); }
.m-arm-r .m-claw i:first-child { clip-path: polygon(0 0, 100% 0, 100% 100%, 40% 100%); }
.m-arm-r .m-claw i:last-child  { clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 100%); }
.m-arm-l { animation: wave-l 3.6s ease-in-out infinite; }
.m-arm-r { animation: wave-r 4.2s ease-in-out infinite; }
@keyframes wave-l { 0%,100%{transform:rotate(8deg)} 50%{transform:rotate(18deg)} }
@keyframes wave-r { 0%,100%{transform:rotate(-8deg)} 50%{transform:rotate(-20deg)} }

/* LEGS */
.m-legs {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  display: flex; gap: calc(4 * var(--u));
}
.m-foot {
  width: calc(5 * var(--u)); height: calc(3 * var(--u));
  background: var(--mc-dark);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--u) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .m-arm-l, .m-arm-r, .m-ant-tip, .crt-led, .caret { animation: none !important; }
}