/* ============================================================
   game.aimeta.fun — voxel arcade design system
   Same family as aimeta.website: chunky pixel blocks, hard shadows,
   Press Start 2P for headings, Inter for body.
   ============================================================ */
:root {
  --ink: #1e2634;
  --ink-soft: #3a4557;
  --paper: #fbf7ec;
  --paper-deep: #f3ecdb;
  --white: #ffffff;

  --grass: #62b03a;
  --grass-dark: #3f8f24;
  --grass-light: #8fd35f;

  --sky: #3fa9f5;
  --sky-dark: #1f7fc4;
  --sky-light: #a8dcff;

  --sun: #ffc93c;
  --sun-dark: #e0a41c;

  --clay: #ef7d54;
  --clay-dark: #c65a34;

  --dirt: #8a5a3b;
  --night: #232b3d;

  --border: 3px solid var(--ink);
  --shadow-chunky: 8px 8px 0 var(--ink);
  --shadow-chunky-sm: 5px 5px 0 var(--ink);
  --radius: 4px;

  --font-pixel: "Press Start 2P", "Courier New", monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(30, 38, 52, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 38, 52, 0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

::selection { background: var(--sun); color: var(--ink); }

.wrap { width: min(1060px, 92%); margin: 0 auto; }

.px-title {
  font-family: var(--font-pixel);
  font-size: clamp(20px, 4vw, 34px);
  line-height: 1.5;
  margin: 0 0 12px;
}

/* ---------- header ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: var(--border);
}
.topbar .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand .cube { width: 30px; height: 30px; flex: none; }
.brand .name { font-family: var(--font-pixel); font-size: 13px; }
.brand .name small { display: block; font-size: 8px; color: var(--ink-soft); margin-top: 4px; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-pixel);
  font-size: 12px;
  padding: 12px 18px;
  background: var(--sun);
  color: var(--ink);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-chunky-sm);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.06s ease, box-shadow 0.06s ease;
  user-select: none;
}
.btn:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--ink); }
.btn:active { transform: translate(5px, 5px); box-shadow: 0 0 0 var(--ink); }
.btn.primary { background: var(--grass); color: #fff; text-shadow: 2px 2px 0 rgba(0,0,0,.25); }
.btn.sky { background: var(--sky); color: #fff; text-shadow: 2px 2px 0 rgba(0,0,0,.25); }
.btn.ghost { background: var(--white); }
.btn.small { font-size: 10px; padding: 9px 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

/* ---------- hero ---------- */
.hero { padding: 52px 0 36px; text-align: center; }
.hero .kicker {
  display: inline-block; font-family: var(--font-pixel); font-size: 10px;
  background: var(--ink); color: var(--sun); padding: 8px 14px; margin-bottom: 18px;
}
.hero p.sub { color: var(--ink-soft); max-width: 560px; margin: 0 auto; }

/* ---------- game cards ---------- */
.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px; padding: 8px 0 64px;
}
.card {
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-chunky);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .08s ease;
}
.card:hover { transform: translate(-2px, -2px); box-shadow: 10px 10px 0 var(--ink); }
.card .thumb {
  height: 150px; border-bottom: var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-pixel); font-size: 22px; color: #fff;
  text-shadow: 3px 3px 0 rgba(0,0,0,.3);
  position: relative; overflow: hidden;
}
.card .thumb.t-grass { background: linear-gradient(135deg, var(--grass-light), var(--grass-dark)); }
.card .thumb.t-sky { background: linear-gradient(135deg, var(--sky-light), var(--sky-dark)); }
.card .thumb.t-sun { background: linear-gradient(135deg, var(--sun), var(--clay)); }
.card .body { padding: 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-family: var(--font-pixel); font-size: 14px; margin: 0; line-height: 1.6; }
.card p { margin: 0; color: var(--ink-soft); font-size: 14px; flex: 1; }
.card .meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-soft); }
.card .meta b { color: var(--ink); }
.card .body .btn { text-align: center; }

/* ---------- game page ---------- */
.game-head { padding: 28px 0 8px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.back { font-family: var(--font-pixel); font-size: 11px; color: var(--ink); text-decoration: none; }
.back:hover { color: var(--sky-dark); }

.game-frame {
  background: var(--night);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-chunky);
  overflow: hidden;
  position: relative;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.game-frame canvas { display: block; width: 100%; height: auto; }

.hud {
  display: flex; gap: 12px; align-items: center; justify-content: space-between;
  margin: 18px 0; flex-wrap: wrap;
}
.hud .score-chip {
  font-family: var(--font-pixel); font-size: 12px;
  background: var(--white); border: var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-chunky-sm); padding: 10px 14px;
}
.hud .row { display: flex; gap: 12px; }

.guest-nudge {
  border: var(--border); border-radius: var(--radius);
  background: var(--sun); box-shadow: var(--shadow-chunky-sm);
  padding: 12px 16px; margin: 0 0 24px; font-size: 14px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
}
.guest-nudge[hidden] { display: none; }

/* ---------- leaderboard ---------- */
.board-sec { padding: 8px 0 64px; }
.tabs { display: flex; gap: 10px; margin-bottom: 6px; flex-wrap: wrap; }
.tab {
  font-family: var(--font-pixel); font-size: 10px; padding: 10px 14px;
  background: var(--white); border: var(--border); border-radius: var(--radius);
  cursor: pointer; box-shadow: 4px 4px 0 var(--ink);
}
.tab.active { background: var(--ink); color: var(--sun); }
.winrow { display: flex; gap: 8px; margin: 12px 0; flex-wrap: wrap; }
.win {
  font-size: 12px; padding: 6px 12px; border: 2px solid var(--ink);
  border-radius: 20px; background: var(--paper); cursor: pointer;
}
.win.active { background: var(--sun); font-weight: 700; }
.board {
  background: var(--white); border: var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-chunky); overflow: hidden;
}
.board table { width: 100%; border-collapse: collapse; font-size: 14px; }
.board th {
  font-family: var(--font-pixel); font-size: 9px; text-align: left;
  padding: 12px 14px; background: var(--paper-deep); border-bottom: var(--border);
}
.board td { padding: 11px 14px; border-bottom: 2px solid var(--paper-deep); }
.board tr:last-child td { border-bottom: none; }
.board tr.me td { background: #fff7dd; font-weight: 700; }
.board .rank { font-family: var(--font-pixel); font-size: 11px; width: 56px; }
.board .r1 { color: var(--sun-dark); }
.board .r2 { color: #8a8f9c; }
.board .r3 { color: var(--clay-dark); }
.board .empty { padding: 28px; text-align: center; color: var(--ink-soft); }

/* ---------- modal ---------- */
.modal-back {
  position: fixed; inset: 0; background: rgba(30, 38, 52, .55);
  display: none; align-items: center; justify-content: center; z-index: 100;
  padding: 16px;
}
.modal-back.open { display: flex; }
.modal {
  background: var(--paper); border: var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-chunky); width: min(420px, 100%);
  padding: 28px 24px; position: relative;
}
.modal h3 { font-family: var(--font-pixel); font-size: 14px; margin: 0 0 8px; line-height: 1.7; }
.modal p.desc { font-size: 14px; color: var(--ink-soft); margin: 0 0 16px; }
.modal .x {
  position: absolute; top: 10px; right: 12px; border: none; background: none;
  font-size: 20px; cursor: pointer; color: var(--ink-soft); font-family: var(--font-pixel); font-size: 12px;
}
.field { margin-bottom: 14px; }
.field label { display: block; font-family: var(--font-pixel); font-size: 9px; margin-bottom: 8px; }
.field input {
  width: 100%; padding: 12px; font-size: 16px; font-family: var(--font-body);
  border: var(--border); border-radius: var(--radius); background: var(--white);
}
.field input:focus { outline: 3px solid var(--sky-light); }
.field .hint { font-size: 12px; color: var(--ink-soft); margin-top: 6px; }
.modal .btn { width: 100%; margin-top: 6px; }
.linklike { background: none; border: none; color: var(--sky-dark); cursor: pointer; font-size: 13px; padding: 0; text-decoration: underline; }
.form-err {
  display: none; background: #ffe1e1; border: 2px solid var(--clay-dark);
  border-radius: var(--radius); padding: 10px 12px; font-size: 13px; margin-bottom: 14px;
}
.form-err.show { display: block; }
.form-ok {
  display: none; background: #e2f5d5; border: 2px solid var(--grass-dark);
  border-radius: var(--radius); padding: 10px 12px; font-size: 13px; margin-bottom: 14px;
}
.form-ok.show { display: block; }

/* ---------- footer ---------- */
footer { border-top: var(--border); background: var(--paper-deep); margin-top: 32px; }
footer .wrap { padding: 26px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--ink-soft); }

/* grass divider strip */
.grass-divider {
  height: 14px;
  background: repeating-linear-gradient(90deg, var(--grass) 0 28px, var(--grass-dark) 28px 56px);
  border-top: var(--border); border-bottom: var(--border);
}

@media (max-width: 640px) {
  .wrap { width: min(1060px, 94%); }

  /* hero */
  .px-title { font-size: 17px; line-height: 1.7; }
  .hero { padding: 30px 0 22px; }
  .hero p.sub { font-size: 14px; }

  /* header */
  .topbar .wrap { padding: 10px 0; }
  .brand .cube { width: 26px; height: 26px; }
  .brand .name { font-size: 11px; }
  .brand .name small { display: none; }

  /* tap targets */
  .btn { min-height: 44px; }
  .tab { font-size: 9px; padding: 10px 12px; }

  /* game cards: single column */
  .cards { grid-template-columns: 1fr; gap: 20px; padding-bottom: 48px; }
  .card .thumb { height: 120px; font-size: 18px; }
  .card .body { padding: 16px; }

  /* game page */
  .game-head { padding: 18px 0 4px; }
  .hud { margin: 14px 0; gap: 10px; }
  .hud .score-chip { font-size: 10px; padding: 8px 10px; }
  .guest-nudge { font-size: 13px; }

  /* leaderboard table: allow sideways scroll instead of squishing */
  .board { overflow-x: auto; }
  .board table { font-size: 13px; min-width: 320px; }
  .board th, .board td { padding: 9px 10px; }
  .board .rank { width: 44px; }

  /* modal becomes a bottom sheet */
  .modal-back { padding: 12px; align-items: flex-end; }
  .modal { padding: 22px 18px; }

  footer .wrap { font-size: 12px; }
}

/* ---------- category filter tabs ---------- */
.cat-tabs {
  display: flex;
  gap: 12px;
  margin: 0 0 28px;
  overflow-x: auto;
  padding: 4px 4px 12px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.cat-tabs::-webkit-scrollbar { display: none; }
.cat-tab {
  flex: 0 0 auto;
  font-family: var(--font-pixel);
  font-size: 11px;
  padding: 12px 18px;
  min-height: 44px;
  color: var(--ink);
  background: var(--white);
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-chunky-sm);
  cursor: pointer;
  white-space: nowrap;
}
.cat-tab.on {
  background: var(--sun);
  transform: translate(2px, 2px);
  box-shadow: 3px 3px 0 var(--ink);
}
@media (max-width: 640px) {
  .cat-tab { font-size: 10px; padding: 12px 14px; }
  .cat-tabs { gap: 10px; margin-bottom: 22px; }
}

.head-actions { display: flex; gap: 10px; align-items: center; }