:root {
  --bg: #10141c;
  --bg-soft: #171d28;
  --card: #1d2432;
  --line: #2b3446;
  --text: #e8ebf1;
  --muted: #9aa5b8;
  --tile-face: #f6f0e2;
  --tile-edge: #e7dcc2;
  --red: #d23b30;
  --blue: #2f6fd0;
  --orange: #d98a1f;
  --black: #23272f;
  --accent: #e0a24e;
  --good: #4caf6d;
  --bad: #e0554a;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: radial-gradient(1200px 500px at 50% -160px, rgba(224,162,78,.10), transparent), var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  -webkit-user-select: none; user-select: none;
  touch-action: none;
}
a { color: var(--blue); }
.hidden { display: none !important; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 20px 16px 60px; }

/* ---- menu ---- */
.menu { text-align: center; padding-top: 6vh; }
.menu .logo { display: flex; gap: 8px; justify-content: center; margin-bottom: 22px; }
.menu h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.02em; }
.menu h1 span { color: var(--accent); }
.menu p.tag { color: var(--muted); margin: 10px 0 30px; }
.menu-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; max-width: 720px; margin: 0 auto; }
.menu-btn {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px 18px;
  cursor: pointer; text-align: left; transition: transform .12s ease, border-color .12s ease; color: var(--text);
}
.menu-btn:hover { transform: translateY(-3px); border-color: var(--accent); }
.menu-btn .big { font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
.menu-btn .small { color: var(--muted); font-size: .9rem; }
.menu-btn .ico { font-size: 1.5rem; }
.back { margin-top: 26px; color: var(--muted); cursor: pointer; display: inline-block; }
.back:hover { color: var(--text); }

/* ---- lobby ---- */
.lobby { max-width: 560px; margin: 8vh auto 0; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; text-align: center; }
.lobby h2 { margin-bottom: 6px; }
.code-box { font-size: 2.4rem; letter-spacing: .35em; font-weight: 800; color: var(--accent); background: #0c0f15; border: 1px dashed var(--line); border-radius: 12px; padding: 16px; margin: 18px 0; text-indent: .35em; }
.lobby .hint { color: var(--muted); font-size: .92rem; }
.player-list { list-style: none; margin: 18px 0; text-align: left; }
.player-list li { background: var(--bg-soft); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.player-list li .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--good); }
.field { display: flex; gap: 8px; margin: 14px 0; }
.field input { flex: 1; background: #0c0f15; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 12px 14px; font-size: 1rem; text-transform: uppercase; }
.status { color: var(--muted); font-size: .9rem; min-height: 1.2em; margin-top: 8px; }

/* ---- buttons ---- */
.btn { display: inline-block; padding: 11px 22px; border-radius: 10px; font-weight: 700; cursor: pointer; border: 1px solid var(--line); background: var(--card); color: var(--text); font-size: .96rem; transition: transform .12s ease; }
.btn:hover:not(:disabled) { transform: translateY(-2px); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #1a1408; border-color: transparent; }
.btn-good { background: var(--good); color: #06210f; border-color: transparent; }
.btn-danger { background: var(--bad); color: #2a0a07; border-color: transparent; }

/* ---- game ---- */
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.turn-pill { background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-weight: 700; }
.turn-pill.mine { border-color: var(--good); color: var(--good); }
.players-strip { display: flex; gap: 8px; flex-wrap: wrap; }
.pchip { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; font-size: .86rem; display: flex; gap: 8px; align-items: center; }
.pchip.active { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.pchip .cnt { color: var(--accent); font-weight: 700; }
.pchip .meld { color: var(--good); font-size: .74rem; }

.board-wrap { overflow-x: auto; border-radius: 14px; }
.board {
  display: grid; gap: 3px; background: #0b3d2e;
  background-image: linear-gradient(180deg, #0e4636, #0a3527);
  border: 6px solid #5a3d24; border-radius: 12px; padding: 8px; width: max-content; margin: 0 auto;
  box-shadow: inset 0 2px 8px rgba(0,0,0,.5);
}
.cell { width: 34px; height: 46px; border-radius: 5px; background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px rgba(255,255,255,.03); }
.cell.drop-ok { background: rgba(224,162,78,.25); }

.tile {
  width: 34px; height: 46px; border-radius: 6px;
  background: linear-gradient(178deg, var(--tile-face), var(--tile-edge));
  box-shadow: 0 2px 4px rgba(0,0,0,.4), inset 0 1px 0 #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: Georgia, serif; font-weight: 700; font-size: 20px; line-height: 1;
  cursor: grab; position: relative;
}
.tile.dragging { cursor: grabbing; opacity: .35; }
.tile .dot { width: 5px; height: 5px; border-radius: 50%; margin-top: 3px; }
.tile.red { color: var(--red); } .tile.red .dot { background: var(--red); }
.tile.blue { color: var(--blue); } .tile.blue .dot { background: var(--blue); }
.tile.orange { color: var(--orange); } .tile.orange .dot { background: var(--orange); }
.tile.black { color: var(--black); } .tile.black .dot { background: var(--black); }
.tile.joker { color: var(--red); font-size: 22px; }
.tile.badset { outline: 2px solid var(--bad); outline-offset: -2px; }
.floating { position: fixed; z-index: 1000; pointer-events: none; box-shadow: 0 10px 24px rgba(0,0,0,.6); }

.rack-area { margin-top: 16px; }
.rack {
  min-height: 60px; background: linear-gradient(180deg, #d99a4e, #b9812f);
  border-radius: 12px; padding: 8px; display: flex; gap: 4px; flex-wrap: wrap;
  border: 3px solid #7a531d; box-shadow: inset 0 2px 8px rgba(0,0,0,.35);
}
.rack.locked { filter: saturate(.5) brightness(.8); }
.rack .tile { cursor: grab; }

.controls { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; align-items: center; }
.controls .spacer { flex: 1; }
.meld-meter { color: var(--muted); font-size: .9rem; }
.meld-meter b { color: var(--accent); }
.msg { margin-top: 12px; min-height: 1.4em; color: var(--muted); font-size: .94rem; }
.msg.err { color: var(--bad); }
.msg.ok { color: var(--good); }

/* ---- game over ---- */
.overlay { position: fixed; inset: 0; background: rgba(8,10,15,.86); display: flex; align-items: center; justify-content: center; z-index: 2000; }
.over-card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 40px; text-align: center; max-width: 420px; }
.over-card h2 { font-size: 2rem; margin-bottom: 8px; }
.over-card .who { color: var(--accent); font-weight: 800; }

.footer-link { text-align: center; margin-top: 30px; }
.footer-link a { color: var(--muted); text-decoration: none; font-size: .88rem; }
.footer-link a:hover { color: var(--text); }

@media (max-width: 520px) {
  .cell, .tile { width: 26px; height: 36px; font-size: 15px; }
  .tile.joker { font-size: 17px; }
}