/* THIRD.EXE: a green-phosphor window that plays fullscreen, then minimizes to the corner. Single dark look by choice. */
:root {
  --bg: #030603;
  --fg: #33ff33;
  --dim: #1f9a1f;
  --glow: rgba(51, 255, 51, 0.45);
  --glow-wide: rgba(51, 255, 51, 0.16);
  --amber: #ffb000;
  --red: #ff5a3c;
  --mono: "VT323", "Courier New", ui-monospace, monospace;
  --board: "Oswald", "Arial Narrow", "Helvetica Neue", sans-serif;
  --ui: "Roboto", Arial, sans-serif;
  color-scheme: dark;
}

/* ---------- window ---------- */
#third {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  transition: top 0.6s cubic-bezier(0.6, 0, 0.2, 1), left 0.6s cubic-bezier(0.6, 0, 0.2, 1),
    width 0.6s cubic-bezier(0.6, 0, 0.2, 1), height 0.6s cubic-bezier(0.6, 0, 0.2, 1);
}
#third.min {
  --w: min(300px, 62vw);
  --h: calc(var(--w) * 0.75 + 30px);
  width: var(--w);
  height: var(--h);
  top: calc(100% - var(--h) - 16px - env(safe-area-inset-bottom, 0px));
  left: calc(100% - var(--w) - max(16px, env(safe-area-inset-right, 0px)));
  box-shadow: 0 0 0 2px var(--fg), 0 12px 40px rgba(0, 0, 0, 0.75);
  cursor: pointer;
}
.tbar {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  background: var(--fg);
  color: var(--bg);
  font: 20px/1 var(--mono);
  letter-spacing: 0.08em;
  padding: 4px 10px;
}
#third:not(.min) .tbar {
  padding-top: calc(4px + env(safe-area-inset-top, 0px));
  padding-left: max(12px, env(safe-area-inset-left, 0px));
  padding-right: max(12px, env(safe-area-inset-right, 0px));
}
.tbar-btns { display: flex; gap: 8px; }
.tbar button {
  font: inherit;
  color: var(--bg);
  background: transparent;
  border: 1px solid var(--bg);
  padding: 2px 8px;
  cursor: pointer;
}
.tbar button:focus-visible { outline: 2px solid var(--bg); outline-offset: 2px; }
#third.min .tbar { font-size: 16px; }
#third.min #third-snd { display: none; }

.t-skip {
  flex: none;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 16px;
  padding: 6px max(12px, env(safe-area-inset-right, 0px)) calc(6px + env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px));
  background: var(--bg);
  color: var(--dim);
  font: 18px/1 var(--mono);
  letter-spacing: 0.08em;
}
#third.min .t-skip { display: none; }
.t-skip label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.t-skip input { accent-color: var(--fg); width: 16px; height: 16px; margin: 0; }
.t-skip button {
  font: inherit;
  letter-spacing: inherit;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--fg);
  padding: 4px 10px;
  cursor: pointer;
}
.t-skip button:focus-visible, .t-skip input:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }

#third-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  container-type: size;
  background: var(--bg);
}
#third-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.28) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.65) 100%);
}
#third-stage.glitch { animation: glitch 0.26s steps(4) 1; }
@keyframes glitch {
  0% { transform: none; filter: none; clip-path: inset(0); }
  25% { transform: translate(-2%, 1%) skewX(8deg); filter: hue-rotate(90deg) contrast(2); clip-path: inset(10% 0 40% 0); }
  50% { transform: translate(3%, -1%); filter: invert(1); clip-path: inset(50% 0 5% 0); }
  75% { transform: translate(-1%, 0) skewX(-6deg); filter: saturate(4); clip-path: inset(0 0 70% 0); }
  100% { transform: none; filter: none; clip-path: inset(0); }
}

/* ---------- shared bits ---------- */
.cur {
  display: inline-block;
  width: 0.55em;
  height: 0.85em;
  background: var(--fg);
  vertical-align: -0.08em;
  box-shadow: 0 0 8px var(--glow);
  animation: blink 1s steps(1) infinite;
}
.nope { animation: nope 0.3s; }
.ptr {
  position: absolute;
  left: 80%;
  top: 96%;
  z-index: 3;
  width: 0;
  height: 0;
  pointer-events: none;
  transition-property: left, top;
  transition-timing-function: cubic-bezier(0.5, 0, 0.2, 1);
}
.ptr::before { content: ""; position: absolute; transition: transform 0.12s; }
.ptr-arrow::before {
  left: 0;
  top: 0;
  width: max(14px, min(4.5cqw, 4cqh));
  height: max(21px, min(6.75cqw, 6cqh));
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 24'%3E%3Cpath d='M1 1v20l5-5 4 8 3-1.5-4-8h7z' fill='white' stroke='black' stroke-width='1.3' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center / contain;
  transform-origin: 0 0;
}
.ptr-finger::before {
  --s: max(22px, min(9cqw, 7cqh));
  left: calc(var(--s) / -2);
  top: calc(var(--s) / -2);
  width: var(--s);
  height: var(--s);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.85);
}
.ptr.down::before { transform: scale(0.8); }
.ptr-finger.down::before { background: rgba(255, 255, 255, 0.6); }
.v { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; background: #000; }

@keyframes blink { 50% { opacity: 0; } }
@keyframes flicker { 0%, 100% { opacity: 1; } 47% { opacity: 0.96; } 48% { opacity: 1; } 82% { opacity: 0.98; } }
@keyframes shake { 0% { transform: translateX(0); } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
@keyframes nope { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }

/* ---------- terminal ---------- */
.t-wrap {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6cqh 5cqw;
  background: var(--bg);
}
.t-term {
  width: 100%;
  max-width: 30ch;
  font: min(5.8cqw, 7cqh, 46px)/1.15 var(--mono);
  color: var(--fg);
  text-shadow: 0 0 6px var(--glow), 0 0 22px var(--glow-wide);
  animation: flicker 4s infinite;
}
.t-line { min-height: 1.15em; white-space: pre-wrap; overflow-wrap: anywhere; }
.t-row { display: grid; grid-template-columns: 2.6ch 1fr; padding-inline: 0.25ch; cursor: pointer; }
.t-row.sel { background: var(--fg); color: var(--bg); text-shadow: none; }
.t-row.sel .cur { background: var(--bg); box-shadow: none; }
.t-row.shake { animation: shake 0.11s linear infinite; }
.t-row:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }
.t-dim { color: var(--dim); }
.t-big { font-size: min(1.45em, 9cqw); letter-spacing: 0.04em; overflow-wrap: normal; }
.t-play {
  display: inline-block;
  font-size: 0.8em;
  line-height: 1.1;
  color: var(--bg);
  background: var(--fg);
  padding: 0.25em 0.5em;
  text-decoration: none;
  text-shadow: none;
  animation: blink 1s steps(1) 3;
}
.t-play:hover, .t-play:focus-visible { outline: 2px solid var(--fg); outline-offset: 3px; }

/* ---------- split-flap ---------- */
.sf {
  --tw: min(calc(92cqw / var(--n)), 6.5cqh);
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 3cqh;
  background: #0b0b0b;
}
.sf-head, .sf-rows { width: calc(var(--tw) * var(--n)); }
.sf-head {
  display: flex;
  justify-content: space-between;
  font: 600 calc(var(--tw) * 0.8)/1 var(--board);
  color: var(--amber);
  letter-spacing: 0.14em;
}
.sf-rows { display: flex; flex-direction: column; gap: 2.4cqh; }
.sf-row { display: flex; flex-wrap: wrap; justify-content: space-between; row-gap: calc(var(--tw) * 0.25); cursor: pointer; }
.sf-dest, .sf-gate { display: flex; gap: calc(var(--tw) * 0.08); }
.sf-tile {
  width: calc(var(--tw) * 0.92);
  height: calc(var(--tw) * 1.35);
  display: grid;
  place-items: center;
  white-space: pre;
  font: 500 calc(var(--tw) * 1.05)/1 var(--board);
  color: #f3f0e4;
  background: linear-gradient(#262626 0 49%, #000 49% 51%, #1a1a1a 51%);
  border-radius: calc(var(--tw) * 0.08);
}
.sf-tile.f { animation: flapdown 0.09s linear; }
@keyframes flapdown { 50% { transform: scaleY(0.15); } }
.sf-status {
  flex-basis: 100%;
  min-height: 1.2em;
  font: calc(var(--tw) * 0.85)/1.2 var(--mono);
  color: var(--amber);
  letter-spacing: 0.08em;
}
.sf-status.bad { color: var(--red); }
.sf-status.ok { color: var(--fg); animation: blink 1s steps(1) infinite; }

/* ---------- captcha ---------- */
.cp {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: #0b0f0b;
}
.cp-card {
  --u: min(1cqw, 0.66cqh);
  width: calc(var(--u) * 86);
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 2.4);
  padding: calc(var(--u) * 2.4);
  background: #fff;
  color: #222;
  border: 1px solid #d6d6d6;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
  font-family: var(--ui);
}
.cp-head {
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 0.8);
  padding: calc(var(--u) * 3.5) calc(var(--u) * 4);
  background: #2f7be0;
  color: #fff;
}
.cp-head small { font-size: calc(var(--u) * 3.4); }
.cp-head strong { font-size: calc(var(--u) * 7.5); font-weight: 500; line-height: 1.05; }
.cp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--u) * 1.2); }
.cp-tile {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: calc(var(--u) * 2);
  text-align: center;
  font: 500 calc(var(--u) * 3.7)/1.15 var(--ui);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
  cursor: pointer;
  transition: transform 0.15s;
}
.cp-a { background: radial-gradient(circle at 84% 16%, #fff1b8 0 8%, transparent 9%), linear-gradient(#6fb8f5, #ffcf9a); }
.cp-b { background: radial-gradient(circle at 50% 115%, #ff4a24, #3d0904 72%); }
.cp-c {
  background: var(--bg);
  color: var(--fg);
  font: calc(var(--u) * 5.2)/1 var(--mono);
  text-shadow: 0 0 6px var(--glow);
}
.cp-tile.hov { outline: calc(var(--u) * 0.7) solid #2f7be0; outline-offset: calc(var(--u) * -0.7); }
.cp-tile.on { transform: scale(0.86); }
.cp-tile.on::after {
  content: "\2713";
  position: absolute;
  top: calc(var(--u) * -2);
  left: calc(var(--u) * -2);
  width: calc(var(--u) * 6.5);
  height: calc(var(--u) * 6.5);
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #2f7be0;
  color: #fff;
  font: 700 calc(var(--u) * 4.2)/1 var(--ui);
  text-shadow: none;
}
.cp-msg { min-height: 1.2em; color: #d93025; font-size: calc(var(--u) * 3.4); }
.cp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: calc(var(--u) * 2.4);
  border-top: 1px solid #e3e3e3;
}
.cp-icons { color: #777; font-size: calc(var(--u) * 5); letter-spacing: calc(var(--u) * 1.5); }
.cp-verify {
  padding: calc(var(--u) * 2.4) calc(var(--u) * 5.5);
  background: #2f7be0;
  color: #fff;
  font: 500 calc(var(--u) * 3.7)/1 var(--ui);
  letter-spacing: 0.04em;
  border-radius: calc(var(--u) * 0.5);
}
.cp-verify.on { background: #1f5fb8; }
.cp-check {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 3);
  padding: calc(var(--u) * 6) calc(var(--u) * 4);
  background: #f9f9f9;
  border: 1px solid #d3d3d3;
  font-size: calc(var(--u) * 4.8);
}
.cp-box {
  flex: none;
  width: calc(var(--u) * 7.5);
  height: calc(var(--u) * 7.5);
  display: grid;
  place-items: center;
  background: #fff;
  border: calc(var(--u) * 0.5) solid #c1c1c1;
  border-radius: calc(var(--u) * 0.6);
}
.cp-box.done { border-color: transparent; background: transparent; }
.cp-box.done::after { content: "\2713"; color: #1e9e3e; font: 700 calc(var(--u) * 8)/1 var(--ui); }
.cp-brand { margin-left: auto; color: #777; font-size: calc(var(--u) * 2.8); letter-spacing: 0.06em; }

/* ---------- elevator ---------- */
.el {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at center, #2a2d30, #0d0e0f 70%);
}
.el-panel {
  --u: min(1cqw, 0.6cqh);
  width: calc(var(--u) * 74);
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 5);
  padding: calc(var(--u) * 7);
  border-radius: calc(var(--u) * 2);
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 3px),
    linear-gradient(135deg, #b9bec4, #868c93 45%, #c7cbd0 70%, #7d838a);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), 0 10px 30px rgba(0, 0, 0, 0.6);
}
.el-disp {
  padding: calc(var(--u) * 1.5);
  background: #120a00;
  color: var(--amber);
  font: calc(var(--u) * 9)/1.2 var(--mono);
  text-align: center;
  letter-spacing: 0.1em;
  text-shadow: 0 0 8px rgba(255, 176, 0, 0.6);
  border-radius: calc(var(--u) * 1);
}
.el-rows { display: flex; flex-direction: column; gap: calc(var(--u) * 4); }
.el-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--u) * 3);
  max-height: calc(var(--u) * 22);
  transition: max-height 0.7s, opacity 0.7s, margin 0.7s;
  cursor: pointer;
}
.el-row.el-hidden { max-height: 0; opacity: 0; margin-block: calc(var(--u) * -2); overflow: hidden; }
.el-label {
  min-width: 0;
  font: 600 calc(var(--u) * 3.8)/1.15 var(--board);
  letter-spacing: 0.08em;
  color: #24282c;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}
.el-btn {
  flex: none;
  width: calc(var(--u) * 15);
  height: calc(var(--u) * 15);
  margin: calc(var(--u) * 1.8);
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: calc(var(--u) * 5.5);
  color: #3a3f44;
  background: radial-gradient(circle at 40% 35%, #f2f3f4, #a9aeb4 70%);
  box-shadow: 0 0 0 calc(var(--u) * 1.2) #6f757c, 0 0 0 calc(var(--u) * 1.7) #d5d8dc, inset 0 -2px 4px rgba(0, 0, 0, 0.3);
}
.el-btn.lit {
  color: var(--amber);
  text-shadow: 0 0 6px var(--amber);
  box-shadow: 0 0 0 calc(var(--u) * 1.2) var(--amber), 0 0 calc(var(--u) * 6) rgba(255, 176, 0, 0.8), inset 0 -2px 4px rgba(0, 0, 0, 0.3);
}
.el-plaque {
  font: 500 calc(var(--u) * 3)/1 var(--board);
  letter-spacing: 0.2em;
  color: #3b4045;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .t-term, .t-row.shake, .sf-tile.f, .sf-status.ok { animation: none; }
  #third, .el-row, .ptr { transition: none; }
}