:root {
  color-scheme: dark;
  --ink: #edf8f3;
  --muted: #83918e;
  --panel: rgba(13, 19, 28, .84);
  --line: rgba(124, 255, 206, .16);
  --mint: #79f2c0;
  --violet: #bba6ff;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  display: grid;
  place-items: center;
  overflow-x: hidden;
  color: var(--ink);
  background: #070a10 url('assets/pixel-city-background.optimized.webp') center / cover fixed no-repeat;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input { font: inherit; }
select { font: inherit; }

.game-shell {
  width: min(1180px, calc(100vw - 32px));
  padding: 30px 0 24px;
}

.topbar, .hud, .instructions { display: flex; align-items: center; }
.topbar { justify-content: space-between; margin-bottom: 18px; }
.account-actions { display: flex; align-items: center; gap: 9px; }
.cloud-status { max-width: 230px; overflow: hidden; color: var(--mint); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }

.eyebrow, .kicker {
  margin: 0 0 5px;
  color: var(--mint);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1 { margin: 0; font-size: clamp(25px, 3vw, 40px); letter-spacing: -.04em; }

.icon-button, .primary-button {
  border: 1px solid rgba(121, 242, 192, .35);
  color: var(--ink);
  background: rgba(121, 242, 192, .08);
  cursor: pointer;
}

.icon-button { padding: 9px 13px; border-radius: 999px; font-size: 12px; }
.icon-button:hover { background: rgba(121, 242, 192, .14); }

.hud {
  justify-content: space-between;
  gap: 18px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  background: rgba(9, 14, 21, .76);
  backdrop-filter: blur(12px);
}

.hud div { display: flex; gap: 10px; align-items: baseline; }
.hud span { color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.hud strong { color: var(--mint); font: 700 15px ui-monospace, SFMono-Regular, Menlo, monospace; }

.stage {
  position: relative;
  overflow: hidden;
  aspect-ratio: 5 / 3;
  min-height: 360px;
  border: 1px solid rgba(121, 242, 192, .2);
  border-radius: 0 0 14px 14px;
  background: #060a11;
  box-shadow: 0 28px 80px rgba(0,0,0,.38), inset 0 0 80px rgba(20, 70, 63, .12);
  cursor: crosshair;
}

canvas { display: block; width: 100%; height: 100%; }

.scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .13;
  background: repeating-linear-gradient(to bottom, transparent 0 3px, rgba(255,255,255,.08) 4px);
}

.overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  text-align: center;
  background: radial-gradient(circle, rgba(11, 21, 29, .78), rgba(4, 7, 12, .94));
  backdrop-filter: blur(5px);
}

.overlay h2 { margin: 5px 0 8px; font-size: clamp(34px, 6vw, 70px); letter-spacing: -.06em; }
.overlay p:not(.kicker) { max-width: 480px; margin: 0 0 24px; color: #aebbb7; }
kbd { padding: 2px 7px; border: 1px solid #53615d; border-radius: 5px; background: #111922; }

.theme-controls { width: min(440px, 100%); margin: -7px 0 18px; text-align: left; }
.theme-controls > label { display: block; margin-bottom: 7px; color: var(--mint); font-size: 10px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.theme-controls select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid rgba(121, 242, 192, .3);
  border-radius: 7px;
  color: var(--ink);
  background: #0d151d;
}
.theme-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 9px; }
.secondary-button {
  padding: 9px 13px;
  border: 1px solid rgba(121, 242, 192, .28);
  border-radius: 7px;
  color: #c4d4d0;
  background: rgba(121, 242, 192, .06);
  cursor: pointer;
}
.secondary-button:hover { color: var(--mint); background: rgba(121, 242, 192, .12); }
.import-button { display: grid; place-items: center; text-align: center; }
.import-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.theme-status { min-height: 16px; margin: 7px 0 0 !important; color: var(--mint) !important; font-size: 10px; text-align: center; }

.theme-editor { overflow-y: auto; justify-content: flex-start; padding-top: max(24px, 5vh); }
.theme-editor h2 { font-size: clamp(28px, 4vw, 48px); }
.editor-form { width: min(560px, 100%); }
.field { display: grid; gap: 6px; color: var(--muted); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-align: left; text-transform: uppercase; }
.field input {
  width: 100%; padding: 10px 12px; border: 1px solid rgba(121,242,192,.25); border-radius: 6px;
  outline: 0; color: var(--ink); background: #0c141c; text-transform: none;
}
.field input:focus { border-color: var(--mint); }
.image-editors, .label-editors { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.image-drop {
  position: relative; display: grid; grid-template-columns: 68px 1fr; grid-template-rows: 1fr 1fr; gap: 2px 12px;
  min-height: 88px; padding: 10px; overflow: hidden; border: 1px dashed rgba(121,242,192,.36); border-radius: 8px;
  color: var(--muted); text-align: left; cursor: pointer;
}
.image-drop:hover { background: rgba(121,242,192,.06); }
.image-drop img { grid-row: 1 / 3; width: 68px; height: 68px; object-fit: cover; border: 1px solid rgba(121,242,192,.45); border-radius: 12px; background: rgba(255,255,255,.04); image-rendering: pixelated; box-shadow: 0 0 14px rgba(121,242,192,.2); }
.image-drop img:not([src]) { visibility: hidden; }
.image-drop span { align-self: end; color: var(--ink); font-size: 12px; font-weight: 800; }
.image-drop b { align-self: start; color: var(--mint); font-size: 10px; }
.image-drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.editor-actions { display: flex; gap: 9px; margin-top: 16px; }
.editor-actions .primary-button { min-width: 130px; padding: 9px 18px; }
.auth-panel { z-index: 5; }
.auth-panel h2 { max-width: 720px; font-size: clamp(32px, 5vw, 62px); }
.auth-form { display: grid; gap: 9px; width: min(420px, 100%); text-align: left; }
.auth-form label { color: var(--mint); font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.auth-form input { padding: 12px; border: 1px solid rgba(121,242,192,.35); border-radius: 7px; outline: 0; color: var(--ink); background: #0d151d; }
.auth-form input:focus { border-color: var(--mint); }
.auth-form .primary-button { width: 100%; margin-top: 3px; }
.auth-message { min-height: 20px; margin-top: 14px !important; color: var(--mint) !important; font-size: 12px; }

.primary-button {
  min-width: 160px;
  padding: 13px 24px;
  border-radius: 8px;
  color: #06100d;
  background: var(--mint);
  font-weight: 850;
  box-shadow: 0 8px 30px rgba(121, 242, 192, .2);
}
.primary-button:hover { transform: translateY(-1px); filter: brightness(1.08); }
.hidden { display: none !important; }

.wave-banner {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  pointer-events: none;
  color: var(--mint);
  font-size: clamp(28px, 6vw, 64px);
  font-weight: 900;
  letter-spacing: -.05em;
  text-shadow: 0 0 28px rgba(121, 242, 192, .6);
}

.instructions { justify-content: center; gap: 30px; padding-top: 15px; color: var(--muted); font-size: 12px; }
.instructions b { margin-right: 5px; color: #c6d2cf; }

@media (max-width: 650px) {
  .game-shell { width: calc(100vw - 16px); padding-top: 14px; }
  .hud { gap: 8px; padding: 10px; }
  .hud div { display: block; }
  .hud span { display: block; font-size: 8px; }
  .hud strong { font-size: 12px; }
  .stage { min-height: 330px; aspect-ratio: auto; }
  .instructions { gap: 12px; flex-wrap: wrap; }
  .image-editors, .label-editors { grid-template-columns: 1fr; }
  .editor-actions { flex-wrap: wrap; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  .primary-button { transition: none; }
}