:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --grid: rgba(255, 255, 255, 0.018);
  --text: #d8d5d1;
  --muted: #8a8c93;
  --faint: #5d6068;
  --field-border: #4e525c;
  --ithildin: #d6e2ff;
  --ithildin-glow: rgba(160, 190, 255, 0.55);
  --ember: #e0782f;
  --stone-hi: rgba(46, 48, 54, 0.9);
  --stone-lo: rgba(12, 13, 16, 0.94);
  --light-x: 78%;
  --light-y: 30%;
  --w: min(600px, calc(100vw - 32px));
  --u: calc(var(--w) / 560);            /* one unit of the door's SVG viewBox */
}

* { box-sizing: border-box; }
html, body { width: 100%; min-height: 100%; margin: 0; }

body {
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(120, 146, 200, 0.10), transparent 45%),
    radial-gradient(ellipse at 76% 28%, rgba(125, 47, 12, 0.10), transparent 28%),
    radial-gradient(ellipse at 50% 115%, rgba(96, 47, 20, 0.14), transparent 48%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    var(--bg);
  background-size: 100% 100%, 100% 100%, 100% 100%, 40px 40px, 40px 40px, 100% 100%;
  background-attachment: fixed;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

body::after {
  content: "";
  position: fixed;
  inset: -50%;
  z-index: 30;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.9'/%3E%3C/svg%3E");
  animation: grain 220ms steps(2) infinite;
}

@keyframes grain {
  0% { transform: translate3d(-2%, 1%, 0); }
  25% { transform: translate3d(1%, -2%, 0); }
  50% { transform: translate3d(2%, 2%, 0); }
  75% { transform: translate3d(-1%, -1%, 0); }
  100% { transform: translate3d(0, 2%, 0); }
}

.dim {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 70% 28%, transparent, rgba(0, 0, 0, 0.25) 34%, rgba(0, 0, 0, 0.82) 100%), #000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 650ms ease;
}
body.watching .dim { opacity: 0.58; }

#atmosphereCanvas, #beamCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#atmosphereCanvas { z-index: 1; }
#beamCanvas { z-index: 5; mix-blend-mode: screen; }

.stage {
  position: relative;
  z-index: 4;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 100vh;
  padding: 32px 16px;
}

/* ---- The door ----------------------------------------------------------- */

.door {
  --arch: calc(var(--u) * 179.2);
  --inset: calc(var(--u) * 44 + 16px);
  position: relative;
  width: var(--w);
  padding: 0 var(--inset) 22px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 50% 50% 16px 16px / var(--arch) var(--arch) 16px 16px;
  background:
    radial-gradient(ellipse at 50% 18%, rgba(150, 175, 230, 0.06), transparent 55%),
    linear-gradient(160deg, var(--stone-hi), var(--stone-lo));
  box-shadow: 0 42px 90px rgba(0, 0, 0, 0.68), 0 13px 28px rgba(0, 0, 0, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.06), inset 0 -1px 0 rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(16px) saturate(0.75);
  transition: border-color 700ms ease, box-shadow 700ms ease, background 700ms ease;
}

/* warm spill from the Eye */
.door::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(circle at var(--light-x) var(--light-y), rgba(244, 126, 45, 0.15), transparent 46%);
  opacity: 0;
  transition: opacity 600ms ease;
}

/* pillars and threshold, continuing the SVG arch down the door */
.door::after {
  content: "";
  position: absolute;
  inset: calc(var(--u) * 200) 0 0;
  pointer-events: none;
  opacity: var(--ith-opacity, 0.42);
  filter: drop-shadow(0 0 3px var(--ithildin-glow));
  background:
    linear-gradient(var(--ithildin), var(--ithildin)) calc(var(--u) * 14) 0 / 1px calc(100% - 14px) no-repeat,
    linear-gradient(var(--ithildin), var(--ithildin)) calc(var(--u) * 44) 0 / 1px calc(100% - 14px) no-repeat,
    linear-gradient(var(--ithildin), var(--ithildin)) calc(100% - var(--u) * 14) 0 / 1px calc(100% - 14px) no-repeat,
    linear-gradient(var(--ithildin), var(--ithildin)) calc(100% - var(--u) * 44) 0 / 1px calc(100% - 14px) no-repeat,
    linear-gradient(var(--ithildin), var(--ithildin)) calc(var(--u) * 6) calc(100% - 14px) / calc(100% - var(--u) * 12) 1px no-repeat;
  transition: opacity 500ms ease, filter 500ms ease;
}

.ithildin {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  pointer-events: none;
  fill: none;
  stroke: var(--ithildin);
  stroke-width: 1.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: var(--ith-opacity, 0.42);
  filter: drop-shadow(0 0 3px var(--ithildin-glow));
  transition: opacity 500ms ease, filter 500ms ease;
}
.ithildin circle, .ithildin .stars circle { fill: var(--ithildin); stroke: none; }
.ithildin .inscription {
  fill: var(--ithildin);
  stroke: none;
  font-family: Cinzel, "Trajan Pro", Georgia, serif;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 2.4px;
}

.door.flare { --ith-opacity: 0.95; }
.door.flare .ithildin, .door.flare::after { filter: drop-shadow(0 0 6px rgba(180, 205, 255, 0.9)); transition-duration: 120ms; }
.door.mellon { --ith-opacity: 1; }
.door.mellon .ithildin, .door.mellon::after { filter: drop-shadow(0 0 10px rgba(190, 215, 255, 1)) drop-shadow(0 0 2px #fff); transition-duration: 900ms; }
.door.refuse { animation: refuse 420ms ease; }
@keyframes refuse {
  20% { transform: translateX(-6px); }
  45% { transform: translateX(5px); }
  70% { transform: translateX(-3px); }
}
.door.dark-tongue { --ithildin: #e7b9a3; --ithildin-glow: rgba(230, 90, 40, 0.5); }

body.watching .door {
  --ith-opacity: 0.16;
  border-color: rgba(210, 103, 36, 0.25);
  background: linear-gradient(160deg, rgba(25, 22, 21, 0.84), rgba(7, 8, 11, 0.95));
  box-shadow: 22px 48px 110px rgba(0, 0, 0, 0.82), 8px 16px 34px rgba(0, 0, 0, 0.62), -1px -1px 0 rgba(255, 157, 80, 0.08), inset 0 1px 0 rgba(255, 183, 124, 0.08), inset 0 -18px 36px rgba(0, 0, 0, 0.23);
}
body.watching .door::before { opacity: 1; }

.arch-space { aspect-ratio: 560 / 156; margin: 0 calc(var(--inset) * -1); }

.door h1 {
  position: relative;
  margin: 0;
  color: #e6e4e0;
  font-family: Cinzel, "Trajan Pro", Georgia, serif;
  font-size: clamp(22px, 5.2vw, 29px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.15;
  text-align: center;
  text-shadow: 0 2px 1px #000, 0 8px 22px rgba(0, 0, 0, 0.62), 0 0 18px rgba(170, 195, 255, 0.12);
  transition: color 500ms ease, text-shadow 500ms ease;
}
.door.mellon h1 { color: #f2f6ff; text-shadow: 0 2px 1px #000, 0 0 22px rgba(190, 215, 255, 0.7); }
body.watching .door h1 {
  color: #d2c9c2;
  filter: url(#lensTitle);
  text-shadow: 2px 3px 1px #050404, 8px 12px 22px rgba(0, 0, 0, 0.9), -1px -1px 10px rgba(210, 106, 40, 0.12);
}

.lede {
  margin: 6px 0 22px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0 1px 9px;
}
.door label#label {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-shadow: 0 2px 4px #000;
}
body.watching .door label#label { filter: url(#lensLabel); }
.peek-hint { color: var(--faint); font-size: 11px; transition: opacity 300ms ease; }
body.watching .peek-hint { opacity: 0; }

/* ---- The field the Eye reads --------------------------------------------- */

.password-field { position: relative; width: 100%; --pw-size: 17px; --field-h: 64px; }
.password-field input, .password-display {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, Menlo, monospace;
  font-size: var(--pw-size);
  letter-spacing: 0.025em;
}

.password-field input {
  width: 100%;
  height: var(--field-h);
  padding: 0 68px 0 20px;
  border: 1px solid var(--field-border);
  border-radius: 12px;
  outline: none;
  background: linear-gradient(180deg, #1b1c21, #111216);
  color: #d9dade;
  caret-color: #ececef;
  text-shadow: 0 2px 2px #000, 0 4px 9px rgba(0, 0, 0, 0.8);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.36), inset 0 2px 5px rgba(0, 0, 0, 0.72), inset 0 1px 0 rgba(255, 255, 255, 0.055);
  transition: border-color 400ms ease, box-shadow 400ms ease, background 400ms ease, height 250ms ease;
}

.password-field input:focus {
  border-color: #999da8;
  box-shadow: 0 0 0 3px rgba(190, 194, 208, 0.18), 0 16px 28px rgba(0, 0, 0, 0.42), inset 0 2px 5px rgba(0, 0, 0, 0.72);
}

body.watching .password-field input,
body.watching .password-field input:focus {
  border-color: rgba(201, 103, 42, 0.58);
  background: linear-gradient(180deg, rgba(13, 12, 14, 0.96), rgba(5, 6, 8, 0.98));
  color: transparent;
  caret-color: transparent;
  box-shadow: 8px 18px 34px rgba(0, 0, 0, 0.58), inset 0 3px 8px rgba(0, 0, 0, 0.92), inset 0 1px 0 rgba(255, 154, 77, 0.12), 0 0 30px rgba(184, 73, 19, 0.08);
}

.eye-chamber {
  position: absolute;
  top: 1px;
  right: 1px;
  bottom: 1px;
  width: 38px;
  border-left: 1px solid rgba(201, 119, 58, 0.35);
  border-radius: 0 11px 11px 0;
  background: linear-gradient(180deg, rgba(201, 119, 58, 0.08), rgba(0, 0, 0, 0.35));
  opacity: 0;
  pointer-events: none;
  transition: opacity 400ms ease;
}
body.watching .eye-chamber { opacity: 1; }

.password-display {
  position: absolute;
  top: 0;
  left: 20px;
  right: 68px;
  height: var(--field-h);
  z-index: 3;
  display: none;
  flex-wrap: wrap;
  align-items: center;
  align-content: center;
  line-height: 1.45;
  overflow: hidden;
  pointer-events: none;
}
body.watching .password-display { display: flex; }

.password-display span {
  display: inline-block;
  min-width: 0.62em;
  white-space: pre;
  text-align: center;
  color: #606167;
  text-shadow: 0 2px 2px #000, 2px 5px 7px rgba(0, 0, 0, 0.95);
  transition: color 120ms linear, text-shadow 120ms linear;
}
.password-display span.revealed {
  color: #f2e7db;
  text-shadow: 2px 3px 1px rgba(0, 0, 0, 0.95), 5px 8px 9px rgba(0, 0, 0, 0.78), 0 0 9px rgba(255, 166, 93, 0.22);
}

.eye-button {
  position: absolute;
  top: calc(50% - 28px);
  right: 2px;
  z-index: 20;
  width: 52px;
  height: 56px;
  padding: 0;
  border: 0;
  outline: none;
  background: transparent;
  color: #9a9ca4;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 800ms cubic-bezier(.16,.8,.2,1), opacity 400ms ease;
}
.eye-button:focus-visible::after {
  content: "";
  position: absolute;
  inset: 12px 8px;
  border-radius: 6px;
  outline: 2px solid rgba(213, 216, 225, 0.7);
}

#eyeCanvas {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 460px;
  height: 460px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

body.watching .eye-button {
  position: fixed;
  top: 29vh;
  left: 76vw;
  right: auto;
  z-index: 6;
  width: 360px;
  height: 360px;
  transform: translate(-50%, -50%);
}
body.watching .eye-button:focus-visible::after {
  inset: 118px 92px;
  border-radius: 50%;
  outline-color: rgba(231, 136, 72, 0.45);
}

/* ---- Strength ------------------------------------------------------------ */

.meter { margin: 12px 1px 0; }
.meter-bar {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.meter-bar i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #8a2a0c, var(--ember) 35%, #c9b99a 60%, var(--ithildin));
  background-size: calc(var(--w) - 2 * var(--inset)) 100%;
  box-shadow: 0 0 10px rgba(180, 200, 255, 0.25);
  transition: width 350ms cubic-bezier(.2,.8,.2,1);
}
.meter-text {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 2px 12px;
  margin-top: 7px;
  font-size: 12px;
}
.meter-text strong {
  font-family: Cinzel, Georgia, serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #c9b99a;
}
.door[data-tier="0"] .meter-text strong, .door[data-tier="1"] .meter-text strong { color: var(--ember); }
.door[data-tier="5"] .meter-text strong, .door[data-tier="6"] .meter-text strong { color: var(--ithildin); text-shadow: 0 0 10px var(--ithildin-glow); }
.meter-text span { color: var(--muted); font-variant-numeric: tabular-nums; }
.crack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 8px 0 0;
}
.crack div {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.18);
}
.crack dt { color: var(--faint); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; }
.crack dd { margin: 2px 0 0; color: #cfd1d8; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.crack-note { margin: 6px 1px 0; color: var(--faint); font-size: 11px; line-height: 1.45; }

/* ---- Actions ------------------------------------------------------------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  background: linear-gradient(180deg, #24262c, #17181c);
  color: #d9d9dd;
  font: 500 14px Inter, system-ui, sans-serif;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: border-color 200ms ease, background 200ms ease, transform 120ms ease;
}
.btn:hover { border-color: rgba(214, 226, 255, 0.35); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid rgba(214, 226, 255, 0.7); outline-offset: 2px; }
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn.primary {
  border-color: rgba(214, 226, 255, 0.3);
  background: linear-gradient(180deg, #2c3240, #1b1f28);
  color: #eef2ff;
  text-shadow: 0 0 10px rgba(180, 205, 255, 0.25);
}
.status { flex: 1 1 120px; margin: 0; color: var(--ithildin); font-size: 12px; text-align: right; text-shadow: 0 0 10px var(--ithildin-glow); }

/* ---- Options ------------------------------------------------------------- */

.mode {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 24px 0 14px;
}
.mode::before, .mode::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 226, 255, 0.22), transparent);
}
.mode button {
  padding: 4px 0;
  border: 0;
  border-bottom: 1px solid transparent;
  background: none;
  color: var(--faint);
  font: 700 12px Cinzel, Georgia, serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}
.mode button[aria-checked="true"] { color: var(--ithildin); border-bottom-color: rgba(214, 226, 255, 0.5); text-shadow: 0 0 10px var(--ithildin-glow); }
.mode button:focus-visible { outline: 2px solid rgba(214, 226, 255, 0.6); outline-offset: 3px; }

.options { display: grid; gap: 12px; }
.options[hidden] { display: none; }
.opt {
  display: grid;
  grid-template-columns: 78px 1fr;
  align-items: start;
  gap: 12px;
}
.opt-label {
  padding-top: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.range { display: flex; align-items: center; gap: 12px; min-height: 30px; }
.range input { flex: 1; accent-color: #b8c8ee; }
.range output {
  min-width: 2.2em;
  color: var(--ithildin);
  font: 400 14px "JetBrains Mono", Consolas, monospace;
  text-align: right;
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font: 500 12.5px Inter, system-ui, sans-serif;
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease;
}
.chips button:hover { color: #cfd1d8; border-color: rgba(255, 255, 255, 0.2); }
.chips button:focus-visible { outline: 2px solid rgba(214, 226, 255, 0.6); outline-offset: 2px; }
.chips button[aria-checked="true"], .chips button[aria-pressed="true"] {
  color: #eef2ff;
  border-color: rgba(214, 226, 255, 0.42);
  background: rgba(150, 175, 235, 0.12);
  box-shadow: 0 0 12px rgba(160, 190, 255, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.chips small { color: var(--faint); font-size: 10.5px; font-variant-numeric: tabular-nums; }
.chips button[aria-pressed="true"] small { color: #9eabc9; }
.chips button.dark-tongue[aria-pressed="true"] {
  color: #ffd9c4;
  border-color: rgba(226, 104, 44, 0.6);
  background: rgba(170, 50, 12, 0.18);
  box-shadow: 0 0 12px rgba(226, 90, 30, 0.25);
}
.chips button.dark-tongue[aria-pressed="true"] small { color: #d98f6a; }
.pool { margin: 7px 0 0 2px; color: var(--faint); font-size: 11.5px; font-variant-numeric: tabular-nums; }

.toggles { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-top: 5px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; color: #bfc1c8; font-size: 13px; cursor: pointer; }
.toggle input { width: 15px; height: 15px; margin: 0; accent-color: #b8c8ee; }
.toggle em { color: var(--faint); font-style: normal; }

.footer-inscription {
  margin: 26px 0 0;
  color: var(--ithildin);
  opacity: calc(var(--ith-opacity, 0.42) * 0.8);
  font-family: Cinzel, Georgia, serif;
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 6px var(--ithildin-glow);
  transition: opacity 500ms ease;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (min-width: 1100px) {
  .door { translate: -7vw 0; }
}

@media (max-width: 1099px) {
  body.watching .eye-button { top: 14vh; left: 82vw; transform: translate(-50%, -50%) scale(0.72); }
}

@media (max-width: 560px) {
  .opt { grid-template-columns: 1fr; gap: 6px; }
  .opt-label { padding-top: 0; }
  .lede { margin-bottom: 18px; }
  body.watching .eye-button { top: 11vh; left: 78vw; transform: translate(-50%, -50%) scale(0.6); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0ms !important; animation: none !important; }
}