/* ============================================================
   STRATA — game skin. Museum-dark, torchlit amber, one accent.
   Press states on pointerdown, safe-area insets, 48px+ targets.
   ============================================================ */

:root {
  --bg: #14100a;
  --bg2: #1a1409;
  --card: #221a0f;
  --card2: #2a2013;
  --line: #3a2c1a;
  --text: #e8dcc5;
  --dim: #9a8a70;
  --amber: #d9a441;
  --amber2: #f2c66d;
  --pale: #fff3d6;
  --green: #7fb069;
  --red: #c05b4d;
  --deep: #0d0a05;
  --serif: Georgia, 'Times New Roman', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { height: 100%; }
body {
  background: #090603;
  color: var(--text);
  font-family: var(--serif);
  overscroll-behavior: none;
  -webkit-user-select: none; user-select: none;
}

#app {
  display: flex; flex-direction: column;
  height: 100dvh;
  max-width: 560px; margin: 0 auto;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

/* ============ HUD ============ */
#hud {
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px;
  background: linear-gradient(180deg, #0d0a05, var(--bg));
  border-bottom: 1px solid var(--line);
  z-index: 5;
  flex-shrink: 0;
}
#hud-left { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
#brand {
  font-size: 17px; letter-spacing: 7px; color: var(--amber); font-weight: bold;
  text-shadow: 0 0 12px rgba(217,164,65,0.35);
}
#world-theme {
  font-size: 11px; color: var(--dim); font-style: italic;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 180px;
}
#hud-right { display: flex; align-items: center; gap: 10px; }
.res {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; color: var(--amber2);
  background: rgba(0,0,0,0.35); border: 1px solid var(--line);
  padding: 5px 10px; border-radius: 20px;
}
.res-ico { color: var(--amber); font-size: 12px; }
.res b { font-weight: normal; min-width: 2ch; text-align: right; }
#res-energy b { min-width: 3ch; }
#btn-sound {
  width: 34px; height: 34px; border-radius: 50%;
  background: rgba(0,0,0,0.35); border: 1px solid var(--line); color: var(--dim);
  font-size: 14px; cursor: pointer; font-family: var(--serif);
  flex-shrink: 0;
}
#btn-sound.off { color: #554735; text-decoration: line-through; }
#btn-sound:active { transform: scale(0.9); }

/* ============ TICKER ============ */
#ticker {
  height: 20px; padding: 4px 16px;
  font-size: 11px; color: var(--green);
  background: var(--deep);
  border-bottom: 1px solid var(--line);
  overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  z-index: 5; flex-shrink: 0;
}
#ticker > span { display: inline; }
#ticker .old { color: var(--dim); }
#ticker .old::before { content: ' · '; color: var(--line); }

/* ============ STAGE ============ */
#stage-wrap {
  flex: 1; position: relative; min-height: 0;
  touch-action: none;
}
#stage { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#vignette {
  position: absolute; inset: 0; pointer-events: none;
  box-shadow: inset 0 0 80px 30px rgba(5,3,1,0.75);
}

#civ-pill {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px;
  background: rgba(13,10,5,0.75); border: 1px solid var(--line);
  padding: 4px 12px; border-radius: 20px;
  font-size: 11px; color: var(--text);
  pointer-events: none; white-space: nowrap;
  backdrop-filter: blur(4px);
}
#civ-pill-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-dot 2.2s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100%{opacity:.5} 50%{opacity:1} }

#depth-readout {
  position: absolute; right: 12px; bottom: 96px;
  font-size: 9px; color: var(--dim); letter-spacing: 2px;
  text-transform: uppercase;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.9);
  z-index: 5;
}

/* ============ ENERGY BAR ============ */
#energy-wrap {
  position: absolute; left: 0; right: 0; bottom: 84px;
  height: 4px; background: rgba(0,0,0,0.5);
  flex-shrink: 0; z-index: 4; pointer-events: none;
}
#energy-fill {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, #8a6a2f, var(--amber), var(--amber2));
  transition: width 0.4s cubic-bezier(.22,1,.36,1);
}

/* ============ DIG BUTTON ============ */
#dig-btn {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 18px 0 calc(env(safe-area-inset-bottom) + 16px);
  background: linear-gradient(180deg, rgba(42,32,19,0.0), rgba(42,32,19,0.55) 40%, rgba(42,32,19,0.92));
  border: none; border-top: 1px solid rgba(217,164,65,0.28);
  color: var(--amber2); font-family: var(--serif);
  cursor: pointer; touch-action: manipulation;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  transition: padding 0.08s ease;
  min-height: 64px;
  z-index: 4;
}
#dig-btn.pressing { padding-top: 21px; padding-bottom: 17px; }
#dig-btn.pressing #dig-label { text-shadow: 0 0 18px rgba(242,198,109,0.8); }
#dig-label {
  font-size: 21px; letter-spacing: 10px; font-weight: bold; text-indent: 10px;
  transition: text-shadow 0.1s;
}
#dig-sub { font-size: 10px; letter-spacing: 1px; color: var(--dim); }
#dig-btn.tired { opacity: 0.45; }
#dig-btn.tired #dig-label { color: var(--dim); letter-spacing: 4px; font-size: 15px; }

/* ============ SUMMON STRIP ============ */
#summon-strip {
  flex-shrink: 0; padding: 8px 14px;
  background: var(--deep); border-top: 1px solid var(--line);
}
#summon-btn {
  width: 100%; padding: 11px; border-radius: 10px;
  background: transparent; border: 1px dashed var(--line);
  color: var(--dim); font-family: var(--serif); font-size: 13px;
  cursor: pointer; touch-action: manipulation;
  transition: all 0.15s;
}
#summon-btn b { color: var(--amber2); font-weight: normal; }
#summon-btn:active { color: var(--amber2); border-color: var(--amber); background: rgba(217,164,65,0.07); }
#summon-btn:disabled { opacity: 0.35; }

/* ============ NAV ============ */
#nav {
  display: flex;
  background: linear-gradient(180deg, var(--bg2), #0d0a05);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 6;
  flex-shrink: 0;
}
.nav-btn {
  flex: 1; padding: 9px 0 11px;
  background: none; border: none; border-top: 2px solid transparent;
  color: var(--dim); font-family: var(--serif);
  font-size: 10px; letter-spacing: 1px;
  cursor: pointer; touch-action: manipulation;
}
.nav-btn span { display: block; font-size: 17px; margin-bottom: 2px; }
.nav-btn.active { color: var(--amber2); border-top-color: var(--amber); }
.nav-btn.active span { color: var(--amber); }
.nav-btn:active { transform: scale(0.94); }

/* ============ PANEL (overlay screens) ============ */
#panel {
  position: absolute; inset: 0; z-index: 20;
  background: var(--bg);
  display: flex; flex-direction: column;
  animation: panel-in 0.22s cubic-bezier(.22,1,.36,1);
}
@keyframes panel-in {
  from { transform: translateY(4%); opacity: 0.4; }
  to { transform: translateY(0); opacity: 1; }
}
#panel.hidden { display: none; }
#panel-head {
  display: flex; align-items: center; gap: 12px;
  padding: calc(env(safe-area-inset-top) + 12px) 16px 12px;
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
#panel-back {
  background: none; border: 1px solid var(--line); color: var(--dim);
  padding: 7px 14px; border-radius: 8px; font-family: var(--serif);
  font-size: 13px; cursor: pointer; touch-action: manipulation;
}
#panel-back:active { color: var(--amber2); border-color: var(--amber); }
#panel-title { font-size: 15px; color: var(--amber2); letter-spacing: 2px; }
#panel-body {
  flex: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
  padding: 14px 16px calc(env(safe-area-inset-bottom) + 24px);
  touch-action: pan-y;
}

/* --- civ cards --- */
.civ-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px; margin-bottom: 12px;
  position: relative; overflow: hidden;
}
.civ-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.5;
}
.civ-name { font-size: 17px; color: var(--amber2); }
.civ-gov { font-size: 12px; color: var(--text); font-style: italic; margin: 2px 0 8px; }
.civ-stats { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.stat {
  font-size: 11px; color: var(--dim);
  background: rgba(0,0,0,0.3); padding: 3px 9px; border-radius: 10px;
}
.stat b { color: var(--text); font-weight: normal; }
.civ-traits { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.trait {
  font-size: 10px; color: var(--dim); border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 10px; letter-spacing: 1px;
}
.civ-chron { border-top: 1px solid var(--line); padding-top: 8px; }
.chron-row { font-size: 12px; color: var(--dim); padding: 2px 0; }
.chron-row .age { color: var(--amber); font-size: 10px; margin-right: 6px; }

/* --- museum --- */
.museum-summary { font-size: 12px; color: var(--dim); margin-bottom: 12px; font-style: italic; }
#museum-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.art-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 4px 8px; text-align: center; cursor: pointer;
  touch-action: manipulation; position: relative;
}
.art-card:active { transform: scale(0.92); border-color: var(--amber); }
.art-icon { font-size: 22px; color: var(--amber); }
.art-card.r4 .art-icon { color: var(--amber2); }
.art-card.r5 .art-icon { color: var(--pale); text-shadow: 0 0 10px rgba(255,243,214,0.7); }
.art-name { font-size: 8.5px; color: var(--dim); margin-top: 3px; line-height: 1.25; }
.art-val { font-size: 9px; color: var(--amber2); margin-top: 2px; }
.empty-note {
  color: var(--dim); font-size: 13px; font-style: italic;
  text-align: center; padding: 40px 20px;
}

/* --- codex --- */
.codex-intro { font-size: 12px; color: var(--dim); font-style: italic; text-align: center; margin-bottom: 8px; }
.codex-count { font-size: 10px; color: var(--amber); letter-spacing: 2px; text-transform: uppercase; text-align: center; margin-bottom: 16px; }
.codex-kicker { font-size: 11px; color: var(--dim); font-style: italic; text-align: center; margin-top: 20px; padding-top: 14px; border-top: 1px solid var(--line); }
.epitaph {
  border-left: 3px solid var(--line); padding: 8px 12px; margin-bottom: 12px;
}
.epitaph.first { border-left-color: var(--amber); }
.epitaph .name { color: var(--amber2); font-size: 15px; }
.epitaph .cause { color: var(--text); font-style: italic; font-size: 13px; }
.epitaph .meta { font-size: 11px; color: var(--dim); margin-top: 3px; }

/* ============ MODAL ============ */
#modal {
  position: absolute; inset: 0; z-index: 40;
  background: rgba(5,3,1,0.88);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: fade-in 0.18s ease-out;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
#modal.hidden { display: none; }
#modal-card {
  background: linear-gradient(180deg, var(--card2), var(--card));
  border: 1px solid var(--amber); border-radius: 16px;
  padding: 30px 24px 24px; max-width: 320px; width: 100%;
  text-align: center; position: relative; overflow: hidden;
  box-shadow: 0 0 60px rgba(217,164,65,0.18);
  animation: card-pop 0.28s cubic-bezier(.34,1.56,.64,1);
}
@keyframes card-pop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
#modal-shine {
  position: absolute; top: -60%; left: -60%; width: 220%; height: 220%;
  background: linear-gradient(115deg, transparent 42%, rgba(255,243,214,0.13) 50%, transparent 58%);
  animation: shine-sweep 2.8s ease-in-out infinite;
  pointer-events: none;
}
@keyframes shine-sweep {
  0%, 18% { transform: translateX(-30%); }
  50%, 100% { transform: translateX(30%); }
}
#modal-icon {
  font-size: 42px; color: var(--amber); margin-bottom: 6px;
  text-shadow: 0 0 24px rgba(217,164,65,0.6);
}
#modal-title { font-size: 18px; color: var(--amber2); margin-bottom: 3px; }
#modal-sub { font-size: 11px; color: var(--dim); margin-bottom: 14px; letter-spacing: 1px; }
#modal-story {
  font-size: 14px; color: var(--text); font-style: italic; line-height: 1.55;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 12px 4px; margin-bottom: 12px;
}
#modal-meta { font-size: 11px; color: var(--dim); line-height: 1.7; margin-bottom: 18px; }
#modal-meta b { color: var(--amber2); font-weight: normal; }
#modal-close {
  padding: 13px 40px; border-radius: 12px;
  border: 1px solid var(--amber); background: rgba(217,164,65,0.08);
  color: var(--amber2); font-family: var(--serif); font-size: 15px;
  cursor: pointer; touch-action: manipulation;
}
#modal-close:active { background: rgba(217,164,65,0.22); transform: scale(0.96); }

/* ============ FLOATING TEXT ============ */
.float-msg {
  position: absolute; pointer-events: none;
  font-size: 14px; color: var(--amber2); z-index: 30;
  font-family: var(--serif);
  text-shadow: 0 0 10px rgba(217,164,65,0.7);
  animation: floatUp 1.3s cubic-bezier(.22,1,.36,1) forwards;
}
@keyframes floatUp {
  from { transform: translateY(0) scale(1); opacity: 1; }
  70% { opacity: 0.9; }
  to { transform: translateY(-70px) scale(1.15); opacity: 0; }
}

/* desktop frame */
@media (min-width: 561px) {
  body { background: #060402; }
  #app { border-left: 1px solid var(--line); border-right: 1px solid var(--line); box-shadow: 0 0 90px rgba(0,0,0,0.9); }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  #modal-shine, .float-msg, #civ-pill-dot { animation: none; }
  #modal-card { animation: none; }
}