:root {
  --ink: #f3efe4;
  --muted: #a9b0b7;
  --deep: #070910;
  --panel: rgba(13, 17, 25, 0.82);
  --line: rgba(255, 255, 255, 0.14);
  --gold: #d9b16d;
  --gold-soft: #f3d49a;
  --danger: #d46e61;
  --success: #91cbb2;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.58);
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  color: var(--ink);
  background: var(--deep);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input { font: inherit; }
button { color: inherit; }
button:focus-visible,
input:focus-visible { outline: 3px solid rgba(243, 212, 154, 0.55); outline-offset: 3px; }

#app,
#game-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
}

#game-canvas {
  display: block;
  touch-action: none;
  background: radial-gradient(circle at 50% 18%, #303b4a, #07090e 68%);
}

.hidden {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.glass {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(25, 31, 43, 0.94), rgba(8, 11, 17, 0.84));
  box-shadow: var(--shadow);
  backdrop-filter: blur(19px) saturate(115%);
  -webkit-backdrop-filter: blur(19px) saturate(115%);
}

.glass-mini {
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(8, 12, 19, 0.68);
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(13px);
  -webkit-backdrop-filter: blur(13px);
}

.screen {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 22px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.65s ease, visibility 0.65s ease;
}

.screen--active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.loading-card {
  width: min(88vw, 440px);
  padding: 38px;
  border-radius: 27px;
  text-align: center;
}

.loading-card h1 {
  margin: 12px 0 7px;
  font: 500 clamp(30px, 5vw, 44px)/1.05 Georgia, "Times New Roman", serif;
}

.loading-card > p:not(.eyebrow) { color: var(--muted); }

.sigil {
  display: grid;
  place-items: center;
  width: 66px;
  height: 66px;
  margin: 0 auto 17px;
  border: 1px solid rgba(217, 177, 109, 0.58);
  border-radius: 50%;
  color: var(--gold-soft);
  font: 32px Georgia, serif;
  box-shadow: inset 0 0 28px rgba(217, 177, 109, 0.08), 0 0 35px rgba(217, 177, 109, 0.09);
}

.loader {
  height: 3px;
  margin-top: 24px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.loader span {
  display: block;
  width: 34%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: loading 1.2s ease-in-out infinite;
}

@keyframes loading {
  from { transform: translateX(-120%); }
  to { transform: translateX(390%); }
}

.prologue {
  justify-items: start;
  background:
    linear-gradient(90deg, rgba(4, 6, 10, 0.97) 0%, rgba(5, 8, 13, 0.88) 42%, rgba(5, 8, 13, 0.18) 72%, transparent 100%),
    linear-gradient(0deg, rgba(5, 7, 11, 0.44), transparent 50%);
}

.prologue-card {
  width: min(620px, 92vw);
  margin-left: clamp(0px, 5vw, 74px);
  padding: clamp(30px, 5vw, 58px);
  border-radius: 30px;
}

.eyebrow {
  margin: 0;
  color: var(--gold-soft);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.prologue-card h1 {
  margin: 13px 0 20px;
  font: 500 clamp(49px, 7vw, 83px)/0.86 Georgia, "Times New Roman", serif;
  letter-spacing: -0.052em;
}

.prologue-card h1 span {
  display: inline-block;
  margin-top: 12px;
  color: #c8ced2;
  font-size: 0.57em;
  letter-spacing: -0.028em;
}

.lead {
  max-width: 48ch;
  margin: 0 0 24px;
  color: #d8dcde;
  font: 400 clamp(17px, 1.6vw, 21px)/1.55 Georgia, serif;
}

.premise {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 14px 16px;
  border-left: 2px solid var(--gold);
  background: rgba(217, 177, 109, 0.07);
  color: #e1d7c7;
  font: 700 11px/1.3 system-ui, sans-serif;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.premise i { flex: 1; min-width: 8px; height: 1px; background: rgba(217, 177, 109, 0.35); }

.control-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 22px 0;
}

.control-grid div {
  display: grid;
  gap: 5px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 25px;
  min-height: 24px;
  padding: 2px 7px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-bottom-color: rgba(255, 255, 255, 0.34);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.32);
  font-size: 11px;
}

.control-grid span { color: var(--muted); font-size: 11px; }

.primary-button {
  min-height: 48px;
  padding: 14px 20px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #e1c083, #b98443);
  box-shadow: 0 10px 28px rgba(185, 132, 65, 0.25);
  color: #11141a;
  font-weight: 850;
  letter-spacing: 0.015em;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.primary-button:hover { transform: translateY(-2px); filter: brightness(1.08); }
.primary-button:disabled { opacity: 0.46; cursor: not-allowed; transform: none; }

.small-note { margin: 12px 0 0; color: #87919a; font-size: 11px; line-height: 1.45; }

.hud {
  position: fixed;
  inset: 0;
  z-index: 12;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.hud-top {
  position: absolute;
  top: max(18px, env(safe-area-inset-top));
  right: max(18px, env(safe-area-inset-right));
  left: max(18px, env(safe-area-inset-left));
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.chapter-block,
.objective,
.icon-button,
.journey { border-radius: 14px; }

.chapter-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 215px;
  padding: 10px 14px;
}

.chapter-block > span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(217, 177, 109, 0.48);
  border-radius: 50%;
  color: var(--gold-soft);
  font: 16px Georgia, serif;
}

.chapter-block div,
.objective { display: grid; gap: 2px; }
.hud small { color: #929da5; font-size: 8px; letter-spacing: 0.18em; }
.chapter-block strong,
.objective strong { font-size: 12px; }

.objective {
  flex: 1;
  max-width: 620px;
  padding: 10px 14px;
}

.icon-button {
  width: 47px;
  border: 0;
  color: var(--gold-soft);
  cursor: pointer;
  pointer-events: auto;
  font-weight: 800;
}

.journey {
  position: absolute;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  left: max(18px, env(safe-area-inset-left));
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 720px;
  padding: 9px;
  gap: 5px;
}

.journey span {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 31px;
  padding: 6px 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #66717a;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.journey b { color: inherit; font-size: 9px; }
.journey span.is-unlocked { color: #b8bec3; }
.journey span.is-current { border-color: rgba(217, 177, 109, 0.38); background: rgba(217, 177, 109, 0.09); color: var(--gold-soft); }
.journey span.is-complete { color: var(--success); }
.journey span.is-complete::after { content: "✓"; margin-left: auto; }

.crosshair {
  position: fixed;
  z-index: 14;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.36);
}
.crosshair::before { top: 3px; left: 10px; width: 1px; height: 16px; }
.crosshair::after { top: 10px; left: 3px; width: 16px; height: 1px; }
.crosshair span { position: absolute; inset: 7px; border: 1px solid rgba(217, 177, 109, 0.8); border-radius: 50%; }

.interaction-prompt {
  position: fixed;
  z-index: 16;
  top: calc(50% + 43px);
  left: 50%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  transform: translateX(-50%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(7, 10, 15, 0.82);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
  font-size: 12px;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.toast {
  position: fixed;
  z-index: 25;
  top: 17%;
  left: 50%;
  max-width: min(570px, 88vw);
  padding: 12px 16px;
  transform: translate(-50%, 0);
  border: 1px solid rgba(217, 177, 109, 0.3);
  border-radius: 10px;
  background: rgba(8, 12, 18, 0.92);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.46);
  color: #e7e9e8;
  text-align: center;
  font: 14px/1.45 Georgia, serif;
  transition: opacity 0.3s, transform 0.3s;
}

.journal {
  position: fixed;
  z-index: 31;
  top: 0;
  right: 0;
  width: min(530px, 100vw);
  height: 100%;
  padding: max(46px, env(safe-area-inset-top)) 34px max(34px, env(safe-area-inset-bottom));
  overflow-y: auto;
  transform: translateX(104%);
  border-left: 1px solid rgba(255, 255, 255, 0.13);
  background: linear-gradient(160deg, rgba(29, 29, 28, 0.99), rgba(9, 12, 17, 0.99));
  box-shadow: -28px 0 80px rgba(0, 0, 0, 0.54);
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.journal.open { transform: translateX(0); }
.journal h2 { margin: 10px 0 25px; font: 500 39px/1.08 Georgia, serif; }
.journal-close {
  position: absolute;
  top: max(14px, env(safe-area-inset-top));
  right: 18px;
  width: 37px;
  height: 37px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  background: transparent;
  color: white;
  font-size: 25px;
  cursor: pointer;
}

.journal-entry { padding: 18px 0; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.journal-entry h3 { margin: 0 0 7px; color: #f0d6a5; font: 600 20px/1.2 Georgia, serif; }
.journal-entry p { margin: 0; color: #bdc4c9; font-size: 14px; line-height: 1.65; }
.journal-entry small { display: block; margin-top: 8px; color: #7f8991; font-size: 10px; letter-spacing: 0.09em; text-transform: uppercase; }
.journal-empty { color: #89939b; line-height: 1.7; }

.modal {
  position: fixed;
  inset: 0;
  z-index: 36;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 5, 8, 0.62);
  backdrop-filter: blur(6px);
  transition: opacity 0.3s ease;
}

.modal-card {
  width: min(680px, 95vw);
  max-height: min(88vh, 820px);
  padding: clamp(28px, 5vw, 48px);
  overflow-y: auto;
  border-radius: 23px;
}

.modal-card h2 {
  margin: 9px 0 16px;
  font: 500 clamp(31px, 5vw, 50px)/1.02 Georgia, serif;
}

.modal-copy { color: #cbd1d5; font: 17px/1.7 Georgia, serif; }
.modal-copy p { margin: 0 0 13px; }
.modal-copy strong { color: white; }
.modal-copy .concept-line { padding: 13px 15px; border-left: 2px solid var(--gold); background: rgba(217, 177, 109, 0.07); }
.modal-card > .primary-button { min-width: 155px; margin-top: 20px; }

.quiz-card { width: min(760px, 96vw); }
.quiz-intro { margin: -3px 0 22px; color: #aeb6bc; font: 15px/1.55 Georgia, serif; }
#quiz-form { display: grid; gap: 15px; }
.quiz-question { margin: 0; padding: 15px; border: 1px solid rgba(255, 255, 255, 0.11); border-radius: 13px; background: rgba(255, 255, 255, 0.03); }
.quiz-question legend { padding: 0 5px; color: #f1dfbd; font: 600 17px/1.35 Georgia, serif; }
.quiz-option { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; align-items: start; min-height: 34px; margin-top: 9px; color: #bdc5ca; font-size: 13px; line-height: 1.42; cursor: pointer; }
.quiz-option input { margin-top: 3px; accent-color: var(--gold); }
.quiz-feedback { margin-top: 15px; padding: 13px 15px; border-radius: 10px; line-height: 1.5; }
.quiz-feedback.is-error { border: 1px solid rgba(212, 110, 97, 0.36); background: rgba(212, 110, 97, 0.1); color: #f1c2bd; }
.quiz-feedback.is-success { border: 1px solid rgba(145, 203, 178, 0.4); background: rgba(145, 203, 178, 0.1); color: #c9eadc; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }
.text-button { min-height: 46px; padding: 9px 12px; border: 0; background: transparent; color: #a4adb4; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }

.scene-transition {
  position: fixed;
  inset: 0;
  z-index: 45;
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 30px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, #171b25, #05070b 68%);
  transition: opacity 0.55s ease, visibility 0.55s ease;
}

.scene-transition.is-active { opacity: 1; visibility: visible; }
.scene-transition strong { margin: 10px 0 8px; font: 500 clamp(52px, 9vw, 104px)/0.95 Georgia, serif; letter-spacing: -0.045em; }
.scene-transition span { color: #b8c0c5; font: 17px/1.5 Georgia, serif; text-align: center; }

.mobile-controls { position: fixed; inset: 0; z-index: 18; pointer-events: none; }
.joystick { position: absolute; left: max(24px, env(safe-area-inset-left)); bottom: max(82px, calc(env(safe-area-inset-bottom) + 64px)); width: 116px; height: 116px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 50%; background: rgba(8, 11, 16, 0.3); pointer-events: auto; touch-action: none; }
#joystick-knob { position: absolute; top: 31px; left: 31px; width: 54px; height: 54px; border: 1px solid rgba(255, 255, 255, 0.28); border-radius: 50%; background: rgba(230, 224, 207, 0.18); box-shadow: 0 5px 18px rgba(0, 0, 0, 0.22); }
.look-zone { position: absolute; top: 12%; right: 0; width: 58%; height: 68%; pointer-events: auto; touch-action: none; }
.mobile-action,
.mobile-journal { position: absolute; right: max(25px, env(safe-area-inset-right)); border: 1px solid rgba(255, 255, 255, 0.2); border-radius: 50%; background: rgba(10, 14, 20, 0.54); color: white; pointer-events: auto; }
.mobile-action { bottom: max(98px, calc(env(safe-area-inset-bottom) + 74px)); width: 66px; height: 66px; font-size: 20px; font-weight: 850; }
.mobile-journal { bottom: max(39px, calc(env(safe-area-inset-bottom) + 15px)); width: 45px; height: 45px; }

@media (max-width: 920px) {
  .prologue { justify-items: center; background: linear-gradient(0deg, rgba(4, 6, 10, 0.96), rgba(5, 8, 13, 0.7)); }
  .prologue-card { margin-left: 0; }
  .objective { display: none; }
  .chapter-block { min-width: 0; flex: 1; }
  .journey { max-width: none; }
}

@media (max-width: 650px) {
  .screen { padding: 12px; }
  .prologue-card { max-height: 94vh; padding: 30px 23px; overflow-y: auto; border-radius: 23px; }
  .prologue-card h1 { font-size: 50px; }
  .lead { font-size: 16px; }
  .premise { flex-wrap: wrap; }
  .control-grid { grid-template-columns: repeat(2, 1fr); }
  .hud-top { top: max(9px, env(safe-area-inset-top)); right: 9px; left: 9px; gap: 5px; }
  .chapter-block { padding: 8px 9px; }
  .chapter-block strong { font-size: 10px; }
  .icon-button { width: 41px; }
  .journey { right: 9px; bottom: max(7px, env(safe-area-inset-bottom)); left: 9px; padding: 6px; }
  .journey span { justify-content: center; min-height: 27px; padding: 4px; font-size: 7px; }
  .journey span b { display: none; }
  .journal { padding-right: 24px; padding-left: 24px; }
  .modal-card { padding: 26px 20px; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .primary-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}