:root {
  --bg: #08242c;
  --bg-2: #0e3540;
  --felt: #6ec9d8;
  --felt-deep: #4aa9bc;
  --brass: #7ed7ea;
  --brass-dim: #3d8fa0;
  --cream: #eaf7fb;
  --ink: #062028;
  --mute: #8eb8c4;
  --danger: #e07070;
  --ok: #6dce9a;
  --line: rgba(126, 215, 234, 0.28);
  --font: "Segoe UI", "Helvetica Neue", sans-serif;
  --ui: "Segoe UI", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background:
    radial-gradient(900px 420px at 50% -8%, #1a5a66 0%, transparent 55%),
    var(--bg);
  color: var(--cream);
  font-family: var(--ui);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.2rem;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 36, 44, 0.92);
  position: sticky;
  top: 0;
  z-index: 20;
}
.brand {
  color: var(--brass);
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  font-weight: 700;
}
.top nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.top nav a { color: var(--cream); text-decoration: none; opacity: 0.85; }
.top nav a:hover { color: var(--brass); }
.who {
  color: var(--mute);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.avatar-row {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.avatar-preview {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
  flex-shrink: 0;
  background: #071c22;
}
.avatar-preview.placeholder {
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 2rem;
  color: #fff;
  background:
    radial-gradient(circle at 35% 28%, #5a6570 0%, #2c343c 55%, #1a2026 100%);
}
.avatar-fields {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.auth-card, .lobby {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.6rem;
}
.auth-card { max-width: 420px; margin: 3rem auto; }
.auth-card.wide { max-width: 640px; }
h1, h2 { font-weight: 650; margin: 0 0 0.6rem; }
.lead, .switch { color: var(--mute); line-height: 1.45; }
form { display: flex; flex-direction: column; gap: 0.75rem; margin-top: 1rem; }
form.inline { flex-direction: row; align-items: center; margin: 0; }
label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.9rem; color: var(--mute); }
input, select, textarea, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #071c22;
  color: var(--cream);
  padding: 0.55rem 0.75rem;
}
button {
  background: linear-gradient(180deg, #1a6a7c, #125564);
  color: #fff;
  border: 1px solid #5ec4d8;
  cursor: pointer;
  font-weight: 650;
}
button.ghost {
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line);
}
.err { color: var(--danger); }
.ok { color: var(--ok); }

.lobby-head { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.table-list, .history, .people { list-style: none; padding: 0; }
.table-list li {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin: 0.6rem 0;
}
.table-chip {
  flex: 1;
  display: grid;
  grid-template-columns: 1.4fr 0.5fr 0.7fr 1fr;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: linear-gradient(180deg, #164650, #0f313a);
  border: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}
.table-chip strong { color: var(--brass); }
.phase { text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.75rem; color: var(--mute); }
.history li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--mute);
}
.place { color: var(--cream); }

@media (max-width: 700px) {
  .table-chip { grid-template-columns: 1fr 1fr; }
  main { padding: 0.8rem; }
}