:root {
  --bg: #0d1017;
  --panel-a: #222c42;
  --panel-b: #161d2c;
  --card: #19202f;
  --card-hover: #232c40;
  --hole: #0c0f16;
  --p1: #f0584f;
  --p1-light: #ff7d75;
  --p2: #f5c046;
  --p2-light: #ffd874;
  --accent: #6d8bff;
  --accent-light: #8aa0ff;
  --text: #eef1f7;
  --dim: #888fa3;
  --line: rgba(255, 255, 255, 0.08);
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }
html { background: var(--bg); }

body {
  background: radial-gradient(1100px 600px at 50% -12%, #1a2236, var(--bg) 62%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 28px 20px;
  padding-top: max(28px, env(safe-area-inset-top));
  padding-bottom: max(28px, env(safe-area-inset-bottom));
}

input { -webkit-user-select: text; user-select: text; }

#app { width: 100%; max-width: 460px; margin: 0 auto; }

.screen {
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: fade 0.25s ease;
}
.hidden { display: none !important; }

@keyframes fade {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- Menü ---------- */
.brand { text-align: center; margin: 22px 0 6px; }
.brand h1 {
  margin: 0;
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand h1 span { color: var(--accent); }
.brand p { margin: 9px 0 0; color: var(--dim); font-size: 0.96rem; }

.menu { display: flex; flex-direction: column; gap: 12px; }

.mode {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: background 0.15s ease, transform 0.06s ease, border-color 0.15s ease;
}
.mode:hover { background: var(--card-hover); border-color: rgba(255, 255, 255, 0.14); }
.mode:active { transform: scale(0.985); }
.mode-text { display: flex; flex-direction: column; gap: 3px; }
.mode-name { font-size: 1.08rem; font-weight: 650; }
.mode-desc { font-size: 0.85rem; color: var(--dim); }
.mode-arrow { font-size: 1.6rem; color: var(--dim); transition: transform 0.15s ease, color 0.15s ease; }
.mode:hover .mode-arrow { transform: translateX(3px); color: var(--accent-light); }

/* ---------- SEO / info content ---------- */
.info {
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.info h2 {
  margin: 18px 0 6px;
  font-size: 1.04rem;
  font-weight: 650;
  color: var(--text);
}
.info h2:first-child { margin-top: 0; }
.info p {
  margin: 0;
  color: var(--dim);
  font-size: 0.92rem;
  line-height: 1.6;
}
.info ul {
  margin: 6px 0 0;
  padding-left: 20px;
  color: var(--dim);
  font-size: 0.92rem;
  line-height: 1.65;
}
.info li { margin: 3px 0; }
.info strong { color: var(--text); font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  padding: 15px 22px;
  border-radius: 13px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.06s ease;
}
.btn:hover { background: var(--card-hover); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn-primary:hover { background: var(--accent-light); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.back {
  align-self: flex-start;
  background: transparent;
  border: none;
  color: var(--dim);
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
  padding: 4px 2px;
}
.back:hover { color: var(--text); }

/* ---------- Status ---------- */
.status {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 46px;
}
.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.18rem;
  font-weight: 650;
}
.status .sub { font-size: 0.82rem; font-weight: 500; color: var(--dim); }
.turn-disc {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex: none;
}
.turn-disc.p1 { background: var(--p1); }
.turn-disc.p2 { background: var(--p2); }

/* ---------- Spielbrett ---------- */
.board {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  width: 100%;
  aspect-ratio: 7 / 6;
  padding: 2.2%;
  background: linear-gradient(160deg, var(--panel-a), var(--panel-b));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 18px 40px -16px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  touch-action: manipulation;
  user-select: none;
}

.column { display: flex; flex-direction: column; cursor: pointer; }

.cell { position: relative; aspect-ratio: 1; }
.cell::before {
  content: "";
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  background: var(--hole);
  box-shadow: inset 0 4px 7px rgba(0, 0, 0, 0.6);
}

.piece {
  position: absolute;
  inset: 9%;
  border-radius: 50%;
  z-index: 1;
}
.piece.p1, .piece.p2 {
  animation: drop var(--dur, 0.42s) cubic-bezier(0.5, 0, 0.7, 0.45);
}
.piece.p1 {
  background: radial-gradient(circle at 35% 30%, var(--p1-light), var(--p1) 62%, #b83a33);
  box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.3);
}
.piece.p2 {
  background: radial-gradient(circle at 35% 30%, var(--p2-light), var(--p2) 62%, #c08a1e);
  box-shadow: inset 0 -3px 6px rgba(0, 0, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.3);
}

.piece.ghost { z-index: 0; animation: none; }
.piece.ghost.g1 { background: var(--p1); opacity: 0.22; }
.piece.ghost.g2 { background: var(--p2); opacity: 0.22; }

.piece.win {
  animation: pop 0.85s ease infinite alternate;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.85), 0 0 18px 2px currentColor;
}
.piece.win.p1 { color: var(--p1-light); }
.piece.win.p2 { color: var(--p2-light); }

.board.has-win .piece.p1:not(.win),
.board.has-win .piece.p2:not(.win) {
  opacity: 0.4;
  transition: opacity 0.3s ease;
}

@keyframes drop {
  0%   { transform: translateY(var(--from, -600%)); }
  58%  { transform: translateY(0); animation-timing-function: cubic-bezier(0.3, 0, 0.3, 1); }
  73%  { transform: translateY(-7%); }
  86%  { transform: translateY(0); }
  93%  { transform: translateY(-2.4%); }
  100% { transform: translateY(0); }
}

@keyframes pop {
  from { transform: scale(1); }
  to   { transform: scale(1.05); }
}

@media (hover: hover) {
  .column:hover { background: rgba(255, 255, 255, 0.03); border-radius: 10px; }
}

/* ---------- Online-Lobby ---------- */
.lobby-body { display: flex; flex-direction: column; gap: 16px; }
.lobby-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: center;
}
.lobby-card h2 { margin: 0; font-size: 1.3rem; }
.lobby-card p { margin: 0; color: var(--dim); font-size: 0.92rem; line-height: 1.55; }

.code-badge {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: 0.34em;
  color: var(--accent-light);
  padding-left: 0.34em;
}

.share-row { display: flex; gap: 8px; }
.share-row input {
  flex: 1;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
  font-size: 0.86rem;
}
.share-row .btn { padding: 12px 16px; }

.waiting-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--dim);
  font-size: 0.95rem;
}

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 4px auto 0;
  animation: spin 0.8s linear infinite;
}
.spinner.small { width: 17px; height: 17px; border-width: 2px; margin: 0; }

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Spiel-Fußzeile ---------- */
.game-foot { display: flex; }
.game-foot .btn { flex: 1; }