:root {
  --bg: #0f1117;
  --bg-soft: #171a23;
  --panel: #1d2130;
  --line: #2a2f40;
  --text: #e7e9f0;
  --muted: #8b90a3;
  --accent: #6c7cff;
  --accent-2: #4f5dd6;
  --felt: #1f6b53;
  --felt-2: #15523f;
  --good: #46c98b;
  --warn: #f0b34a;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

/* The [hidden] attribute must win over the display rules below
   (.screen sets display:flex, which would otherwise keep hidden screens visible). */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 800px at 50% -10%, #1b2030 0%, var(--bg) 55%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

#app { min-height: 100%; }

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .08s ease, border-color .15s ease, background .15s ease;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-color: transparent;
  box-shadow: 0 6px 18px rgba(108, 124, 255, 0.35);
}
.btn-primary:hover { filter: brightness(1.06); }

/* ---------- Landing ---------- */
#landing { align-items: center; justify-content: center; padding: 24px; }
.landing-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
}
.logo { font-size: 28px; margin: 0 0 4px; letter-spacing: -0.5px; }
.tagline { color: var(--muted); margin: 0 0 24px; font-size: 14px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); }
#create-btn { width: 100%; }
.divider {
  display: flex; align-items: center; gap: 12px;
  color: var(--muted); font-size: 12px; margin: 20px 0;
}
.divider::before, .divider::after { content: ""; height: 1px; background: var(--line); flex: 1; }
.join-row { display: flex; gap: 8px; }
#code-input { text-transform: uppercase; letter-spacing: 2px; font-weight: 700; text-align: center; }
.error { color: #ff7a7a; font-size: 13px; margin: 12px 0 0; }
.foot { margin-top: 24px; color: var(--muted); font-size: 12px; }

/* ---------- Room ---------- */
#room { padding: 16px clamp(16px, 4vw, 40px) 28px; gap: 12px; }
.room-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.room-id { display: flex; align-items: center; gap: 10px; }
.logo-sm { font-size: 22px; color: var(--accent); }
.code-chip {
  display: inline-flex; align-items: baseline; gap: 10px;
  background: var(--panel); border: 1px solid var(--line);
  padding: 8px 14px; border-radius: 10px; cursor: pointer; color: var(--text);
  font-weight: 800; letter-spacing: 3px; font-size: 18px;
}
.code-chip:hover { border-color: var(--accent); }
.copy-hint { font-size: 11px; letter-spacing: 0; font-weight: 500; color: var(--muted); }
.room-controls { display: flex; gap: 16px; }
.toggle { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--accent); width: 16px; height: 16px; }

.topic {
  width: 100%; font-size: 17px; font-weight: 600;
  background: transparent; border: 1px solid transparent; border-bottom: 1px solid var(--line);
  border-radius: 0; padding: 10px 4px;
}
.topic:focus { outline: none; border-bottom-color: var(--accent); }

/* table */
.table-wrap {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 22px; padding: 12px 0; min-height: 320px;
}
.seats {
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; max-width: 900px;
}
.seat { display: flex; flex-direction: column; align-items: center; gap: 8px; width: 78px; }
.card-back {
  width: 56px; height: 80px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  transition: transform .25s ease, background .2s ease, color .2s ease, border-color .2s ease;
}
.seat.voted .card-back {
  background: linear-gradient(160deg, #2c3350, #222843);
  border-color: var(--accent);
  color: var(--accent);
}
.seat.revealed .card-back {
  background: #fbfcff; color: #1a1d29; border-color: #fff;
  transform: rotateY(0); box-shadow: var(--shadow);
}
.seat.observer .card-back { background: transparent; border-style: dashed; font-size: 16px; }
.seat-name { font-size: 13px; color: var(--text); max-width: 78px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.seat-name.you { color: var(--accent); font-weight: 700; }

.table {
  width: min(620px, 90vw); min-height: 130px;
  background: radial-gradient(120% 120% at 50% 0%, var(--felt) 0%, var(--felt-2) 100%);
  border: 6px solid #0c3a2c;
  border-radius: 80px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: inset 0 4px 24px rgba(0,0,0,.35), var(--shadow);
}
.table-center { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 18px; }
.result { text-align: center; }
.result .avg { font-size: 40px; font-weight: 800; line-height: 1; }
.result .avg small { font-size: 14px; color: rgba(255,255,255,.75); font-weight: 600; }
.result .meta { font-size: 13px; color: rgba(255,255,255,.85); margin-top: 6px; }
.result .consensus { color: #d8ffe9; font-weight: 700; }

/* deck */
.deck {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  padding-top: 6px;
}
.card {
  width: 52px; height: 74px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-soft);
  color: var(--text); font-weight: 800; font-size: 20px;
  cursor: pointer; transition: transform .12s ease, border-color .12s ease, background .12s ease;
  display: flex; align-items: center; justify-content: center;
}
.card:hover { transform: translateY(-8px); border-color: var(--accent); }
.card.selected {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-color: transparent; transform: translateY(-10px);
  box-shadow: 0 10px 22px rgba(108,124,255,.4);
}
.deck.hidden-deck { opacity: .35; pointer-events: none; }

.conn {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  background: var(--warn); color: #1a1207; font-weight: 700; font-size: 13px;
  padding: 8px 16px; border-radius: 999px; box-shadow: var(--shadow);
}

@media (max-width: 520px) {
  .card { width: 46px; height: 66px; font-size: 18px; }
  .card-back { width: 50px; height: 72px; }
}