:root {
  /* Chicago flag palette */
  --chi-red: #b3242b;
  --chi-red-deep: #7d1a1f;
  --chi-blue: #41b6e6;
  --chi-blue-deep: #1a6c8a;
  --chi-cream: #f6f1e3;
  --chi-cream-warm: #efe5c8;
  --chi-limestone: #ddd2b3;

  /* Chicago architecture / industrial */
  --chi-navy: #0a1a2f;
  --chi-navy-2: #122a4a;
  --chi-charcoal: #1a212d;
  --chi-bronze: #c69a4d;
  --chi-bronze-deep: #8a6628;

  --hud-text: #f6f1e3;

  /* Display & body typography (Big Shoulders is literally designed for Chicago) */
  --font-display: "Big Shoulders Display", "Oswald", Impact,
    "Helvetica Neue Condensed", "Arial Narrow", sans-serif;
  --font-text: "Big Shoulders Text", "Oswald", "Helvetica Neue", Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  background: #050a14;
  color: var(--hud-text);
  font-family: var(--font-text);
  font-weight: 500;
  letter-spacing: 0.02em;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
}

/* Make the HTML `hidden` attribute actually win over `.overlay { display: flex }`. */
[hidden] {
  display: none !important;
}

#app {
  position: fixed;
  inset: 0;
}

#scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

/* ──────────────────────────────────────────────
   Reusable Chicago star icon
   ────────────────────────────────────────────── */
.cstar {
  width: 22px;
  height: 22px;
  fill: var(--chi-red);
  filter: drop-shadow(0 1px 0 rgba(0, 0, 0, 0.25));
}

.cstar.tiny {
  width: 14px;
  height: 14px;
}

/* ──────────────────────────────────────────────
   Top HUD — Chicago flag banner
   ────────────────────────────────────────────── */
#hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: calc(env(safe-area-inset-top, 0px) + 10px) 12px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.flag-banner {
  display: inline-flex;
  flex-direction: column;
  background: linear-gradient(180deg, #fffaee 0%, #f6f1e3 100%);
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 3px;
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.45),
    0 0 0 2px rgba(255, 255, 255, 0.06);
  overflow: hidden;
  position: relative;
}

.flag-banner::before,
.flag-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(0, 0, 0, 0.08);
  pointer-events: none;
}
.flag-banner::before { top: 0; }
.flag-banner::after { bottom: 0; }

.flag-banner .stripe {
  height: 9px;
  background: var(--chi-blue);
  position: relative;
}

.flag-banner .stripe::after {
  /* subtle inner shadow under the stripe for printed feel */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0) 30%,
    rgba(0, 0, 0, 0) 70%,
    rgba(0, 0, 0, 0.12) 100%
  );
}

.flag-banner .banner-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 22px 2px;
  color: var(--chi-navy);
}

.flag-banner .title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 5.6vw, 34px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  background: linear-gradient(180deg, #0a1a2f 0%, #1a3c5e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

/* ──────────────────────────────────────────────
   Status pill — L-train destination sign feel
   ────────────────────────────────────────────── */
#status {
  pointer-events: auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 6px 18px;
  background: linear-gradient(180deg, #0e2440, #07182c);
  color: var(--chi-cream);
  border-top: 2px solid var(--chi-red);
  border-bottom: 2px solid var(--chi-red);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  box-shadow:
    0 6px 18px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.5);
  text-shadow: 0 0 6px rgba(255, 222, 160, 0.35);
}

/* ──────────────────────────────────────────────
   Bottom HUD — Art Deco buttons
   ────────────────────────────────────────────── */
#hud-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 8px calc(env(safe-area-inset-bottom, 8px) + 10px);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(
    to top,
    rgba(5, 10, 20, 0.7),
    rgba(5, 10, 20, 0)
  );
}

#hud-bottom::before {
  /* thin red Chicago stripe across the footer top */
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--chi-red) 20%,
    var(--chi-red) 80%,
    transparent 100%
  );
  opacity: 0.6;
}

.hud-btn {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--chi-cream);
  background: linear-gradient(180deg, #122a4a 0%, #07182c 100%);
  border: 1.5px solid var(--chi-blue);
  border-radius: 2px;
  padding: 10px 16px;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 4px 14px rgba(0, 0, 0, 0.4);
  transition:
    background 0.15s ease,
    transform 0.05s ease,
    border-color 0.15s ease;
}

.hud-btn::before,
.hud-btn::after {
  /* deco corner notches — two tiny diagonal cuts */
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-color: var(--chi-red);
  border-style: solid;
  pointer-events: none;
}

.hud-btn::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

.hud-btn::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.hud-btn:hover {
  background: linear-gradient(180deg, #1d3a5f 0%, #0a2542 100%);
  border-color: var(--chi-cream);
}

.hud-btn:active {
  transform: translateY(1px);
}

.hud-btn.primary {
  background: linear-gradient(180deg, var(--chi-red) 0%, var(--chi-red-deep) 100%);
  border-color: var(--chi-cream);
  color: #fffaee;
}
.hud-btn.primary::before,
.hud-btn.primary::after {
  border-color: var(--chi-cream);
}

/* ──────────────────────────────────────────────
   Captured pieces — limestone tally panels
   ────────────────────────────────────────────── */
.captured {
  position: absolute;
  width: 70px;
  max-height: 58vh;
  padding: 8px 6px 6px;
  top: calc(env(safe-area-inset-top, 0px) + 128px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
  background: linear-gradient(180deg, #fffaee 0%, #efe5c8 100%);
  color: var(--chi-navy);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-top: 3px solid var(--chi-red);
  border-bottom: 3px solid var(--chi-red);
  border-radius: 2px;
  overflow: auto;
  pointer-events: none;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.4);
}

#captured-w { left: 10px; }
#captured-b { right: 10px; }

.captured .label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(179, 36, 43, 0.4);
  margin-bottom: 4px;
  color: var(--chi-red-deep);
}

.captured .grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}

.captured .cap {
  font-size: 22px;
  line-height: 1;
  color: var(--chi-navy);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* ──────────────────────────────────────────────
   Modal overlays — limestone panels with deco frame
   ────────────────────────────────────────────── */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(
      circle at center,
      rgba(5, 10, 20, 0.55),
      rgba(5, 10, 20, 0.78)
    );
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10;
}

.panel {
  position: relative;
  background:
    /* faint pinstripe (Bulls / Wrigley) */
    repeating-linear-gradient(
      90deg,
      rgba(179, 36, 43, 0.04) 0,
      rgba(179, 36, 43, 0.04) 1px,
      transparent 1px,
      transparent 8px
    ),
    linear-gradient(180deg, #fffaee 0%, #efe5c8 100%);
  color: var(--chi-navy);
  border: 1px solid rgba(0, 0, 0, 0.18);
  outline: 2px solid var(--chi-red);
  outline-offset: 4px;
  border-radius: 2px;
  padding: 26px 30px 22px;
  text-align: center;
  max-width: 92%;
  min-width: 260px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    0 0 0 6px rgba(10, 26, 47, 0.55);
}

.panel::before,
.panel::after {
  /* horizontal Chicago flag bars top + bottom of the panel */
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  height: 5px;
  background: var(--chi-blue);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
}
.panel::before { top: 10px; }
.panel::after { bottom: 10px; }

.panel-corners {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.panel-corners .cstar.tiny {
  position: absolute;
}
.panel-corners .cstar.tiny:nth-child(1) { top: 14px; left: 14px; }
.panel-corners .cstar.tiny:nth-child(2) { top: 14px; right: 14px; }
.panel-corners .cstar.tiny:nth-child(3) { bottom: 14px; left: 14px; }
.panel-corners .cstar.tiny:nth-child(4) { bottom: 14px; right: 14px; }

.panel h2 {
  margin: 14px 0 4px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 6vw, 34px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--chi-red-deep);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.panel .kicker {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--chi-navy-2);
  opacity: 0.85;
}

.promo-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  justify-content: center;
}

.promo-row button {
  appearance: none;
  border: 1.5px solid var(--chi-navy);
  background: linear-gradient(180deg, #fffaee, #efe5c8);
  color: var(--chi-navy);
  padding: 10px 8px;
  border-radius: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.12s ease, transform 0.05s ease;
}

.promo-row button small {
  display: block;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--chi-red-deep);
  margin-top: 2px;
}

.promo-row button:hover {
  background: linear-gradient(180deg, #fff, #f6e6c0);
}
.promo-row button:active {
  transform: translateY(1px);
}

/* ──────────────────────────────────────────────
   Gallery — "The Pieces"
   ────────────────────────────────────────────── */
.gallery-panel {
  max-width: 760px;
  width: min(94vw, 760px);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 18px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 8px 0 14px;
  overflow-y: auto;
  padding: 4px 2px;
}

.gallery-card {
  background: linear-gradient(180deg, #fffaee 0%, #efe5c8 100%);
  border: 1px solid rgba(0, 0, 0, 0.18);
  border-top: 3px solid var(--chi-red);
  border-radius: 2px;
  padding: 6px 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  color: var(--chi-navy);
  text-align: center;
}

.gallery-card .thumb {
  width: 100%;
  aspect-ratio: 13 / 16;
  background: radial-gradient(
    circle at 50% 35%,
    #1a3a5c 0%,
    #0a1a2f 70%,
    #050b18 100%
  );
  border: 1px solid rgba(0, 0, 0, 0.4);
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.gallery-card .card-meta {
  padding: 2px 4px 0;
}

.gallery-card h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--chi-red-deep);
  line-height: 1.05;
}

.gallery-card small {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--chi-navy-2);
  opacity: 0.75;
  margin-top: 1px;
}

.gallery-card p {
  margin: 4px 2px 0;
  font-family: var(--font-text);
  font-size: 11px;
  line-height: 1.32;
  color: var(--chi-navy);
  opacity: 0.88;
}

#gallery-close {
  align-self: center;
  margin-top: 4px;
}

@media (max-width: 720px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .gallery-card h3 {
    font-size: 14px;
  }
  .gallery-card p {
    font-size: 10.5px;
  }
}

@media (max-width: 380px) {
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .gallery-card p {
    display: none; /* save space on tiny screens */
  }
}

/* ──────────────────────────────────────────────
   Responsive tweaks
   ────────────────────────────────────────────── */
@media (max-width: 520px) {
  .flag-banner .banner-row {
    padding: 4px 12px 2px;
    gap: 8px;
  }
  .cstar { width: 16px; height: 16px; }
  .flag-banner .title {
    font-size: clamp(20px, 6vw, 26px);
    letter-spacing: 0.06em;
  }
  .hud-btn {
    padding: 9px 11px;
    font-size: 11.5px;
    letter-spacing: 0.1em;
  }
  .captured {
    width: 54px;
    top: calc(env(safe-area-inset-top, 0px) + 108px);
  }
  .captured .cap {
    font-size: 18px;
  }
  #status {
    font-size: 11.5px;
    letter-spacing: 0.18em;
    padding: 5px 12px;
  }
  .panel {
    padding: 22px 18px 18px;
  }
}

@media (max-width: 380px) {
  .flag-banner .banner-row .cstar:nth-child(1),
  .flag-banner .banner-row .cstar:nth-child(5) {
    display: none; /* keep only two inner stars on tiny screens */
  }
}