:root {
  --bg: #0a0a0a;
  --fg: #d8cfb8;
  --fg-dim: #8a8270;
  --accent: #b8a070;
  --danger: #c25040;
  --panel: rgba(18, 16, 14, 0.92);
  --panel-edge: #3a3328;
  --font-mono: ui-monospace, "Cascadia Mono", "Consolas", "Menlo", monospace;
  --font-serif: "Georgia", "Times New Roman", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; background: var(--bg); color: var(--fg); font-family: var(--font-mono); overflow: hidden; }
button { font: inherit; color: inherit; }

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  user-select: none;
  -webkit-user-select: none;
}

#view {
  display: block;
  width: 100%;
  height: 100%;
  background: #0a0a0a;
  cursor: none;
}

.hidden { display: none !important; }

/* ----- overlays ----- */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(2px);
  z-index: 30;
}
.overlay-menu { background: linear-gradient(180deg, rgba(0,0,0,0.7), rgba(15,12,8,0.85)); }
.overlay-panel { background: rgba(0,0,0,0.5); }
.overlay-click { background: rgba(0,0,0,0.0); pointer-events: auto; z-index: 25; }

.menu-card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  padding: 2rem 2.4rem;
  width: min(420px, 90vw);
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.title {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.06em;
  font-size: 2.2rem;
  margin: 0 0 0.4rem;
  color: var(--accent);
}
.subtitle { margin: 0 0 1.4rem; color: var(--fg-dim); font-size: 0.9rem; letter-spacing: 0.04em; }
.footnote { margin: 1.4rem 0 0; font-size: 0.72rem; color: var(--fg-dim); letter-spacing: 0.04em; }

.menu-buttons { display: flex; flex-direction: column; gap: 0.5rem; }
.menu-btn {
  background: transparent;
  border: 1px solid var(--panel-edge);
  color: var(--fg);
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background 80ms ease, color 80ms ease, border-color 80ms ease;
}
.menu-btn:hover:not(:disabled) { background: rgba(184,160,112,0.10); color: var(--accent); border-color: var(--accent); }
.menu-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.menu-btn.primary { color: var(--accent); border-color: var(--accent); }
.menu-btn.primary:hover { background: rgba(184,160,112,0.18); }

.click-card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  padding: 1rem 1.6rem;
  color: var(--fg-dim);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
}

/* ----- HUD ----- */
.hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 10;
}
.reticle {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  margin: -3px 0 0 -3px;
  border-radius: 50%;
  background: rgba(216,207,184,0.55);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.6);
}
.interact-prompt {
  position: absolute;
  left: 50%;
  top: 56%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(8,7,6,0.7);
  border: 1px solid var(--panel-edge);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--fg);
}
.interact-prompt .key {
  display: inline-block;
  padding: 0 0.5rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.75rem;
}

.indicators {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: flex-end;
}
.indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(8,7,6,0.65);
  border: 1px solid var(--panel-edge);
  padding: 0.3rem 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.ind-label { color: var(--fg-dim); }
.ind-bar { width: 90px; height: 6px; background: rgba(216,207,184,0.10); border: 1px solid var(--panel-edge); }
.ind-bar-fill { height: 100%; background: var(--accent); width: 100%; transition: width 200ms linear; }

.toast {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(8,7,6,0.85);
  border: 1px solid var(--accent);
  padding: 0.5rem 0.8rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fg);
  max-width: 340px;
  animation: toast-in 200ms ease-out;
}
@keyframes toast-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.65) 100%);
}
.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image:
    repeating-radial-gradient(circle at 31% 47%, rgba(255,255,255,0.6) 0 1px, transparent 1px 4px),
    repeating-radial-gradient(circle at 71% 17%, rgba(0,0,0,0.5) 0 1px, transparent 1px 5px);
  animation: grain-shift 1.6s steps(6) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(-2px,1px); }
  40%  { transform: translate(1px,-2px); }
  60%  { transform: translate(-1px,2px); }
  80%  { transform: translate(2px,1px); }
  100% { transform: translate(0,0); }
}

/* ----- panels (journal, settings, reader, etc.) ----- */
.panel-card {
  background: var(--panel);
  border: 1px solid var(--panel-edge);
  width: min(720px, 92vw);
  max-height: 86vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
}
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--panel-edge);
}
.panel-header h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: 0.05em;
  margin: 0;
  font-size: 1.2rem;
  color: var(--accent);
}
.panel-close {
  background: transparent;
  border: 1px solid var(--panel-edge);
  color: var(--fg-dim);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0;
}
.panel-close:hover { color: var(--fg); border-color: var(--accent); }

.panel-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--panel-edge);
}
.tab-btn {
  flex: 1;
  background: transparent;
  border: none;
  border-right: 1px solid var(--panel-edge);
  color: var(--fg-dim);
  padding: 0.6rem 0.4rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  text-transform: uppercase;
}
.tab-btn:last-child { border-right: none; }
.tab-btn.active { color: var(--accent); background: rgba(184,160,112,0.06); }

.panel-body {
  display: flex;
  flex: 1;
  min-height: 220px;
  overflow: hidden;
}

.journal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 240px;
  overflow-y: auto;
  border-right: 1px solid var(--panel-edge);
}
.journal-list li {
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(58,51,40,0.5);
  cursor: pointer;
  color: var(--fg);
}
.journal-list li:hover { background: rgba(184,160,112,0.08); color: var(--accent); }
.journal-list li.active { background: rgba(184,160,112,0.12); color: var(--accent); }

.journal-reader {
  flex: 1;
  padding: 1rem 1.2rem;
  overflow-y: auto;
  font-family: var(--font-serif);
  line-height: 1.5;
  font-size: 0.95rem;
  color: var(--fg);
}
.journal-empty { color: var(--fg-dim); font-family: var(--font-mono); font-size: 0.85rem; }

.settings-body { flex-direction: column; gap: 0.6rem; padding: 1rem 1.2rem; }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; font-size: 0.85rem; }
.setting-row input[type="range"] { width: 220px; }

.reader-card { max-width: 640px; }
.reader-body {
  padding: 1.4rem 1.6rem;
  overflow-y: auto;
  font-family: var(--font-serif);
  line-height: 1.55;
  font-size: 0.98rem;
  color: var(--fg);
  background-image:
    linear-gradient(180deg, rgba(255,235,200,0.04), rgba(255,235,200,0.02)),
    repeating-linear-gradient(90deg, rgba(0,0,0,0.04) 0 1px, transparent 1px 4px);
}
.reader-body .redacted {
  background: #1a1814;
  color: #1a1814;
  padding: 0 0.3em;
  border-bottom: 1px solid #1a1814;
}
.reader-body .stamp {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--danger);
  color: var(--danger);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  transform: rotate(-2deg);
}

.credits-body { padding: 1.2rem 1.4rem; line-height: 1.55; font-size: 0.92rem; color: var(--fg); }
.credits-body p { margin: 0 0 0.8rem; }