:root {
  --bg: #0c0f18;
  --bg-soft: #141a28;
  --panel: #161d2c;
  --line: #2a3348;
  --text: #e8ecf6;
  --muted: #93a0bd;
  --accent: #ffcf4a;
  --accent-2: #ff5f7e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 620px at 12% -10%, #1d2740 0%, transparent 60%),
    radial-gradient(900px 520px at 105% 0%, #2a1c3a 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
}

.topbar { padding: 28px 24px 8px; text-align: center; }
.logo { margin: 0; font-size: 30px; letter-spacing: -0.5px; }
.tagline { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 28px;
  align-items: start;
  max-width: 1220px;
  margin: 0 auto;
  padding: 24px;
}

/* ---------- 룰렛 ---------- */
.stage { display: flex; flex-direction: column; align-items: center; gap: 16px; }

.wheel-wrap {
  position: relative;
  width: min(560px, 88vw);
  aspect-ratio: 1;
}

.wheel-rotor {
  width: 100%;
  height: 100%;
  transform: rotate(0deg);
  will-change: transform;
  filter: drop-shadow(0 22px 40px rgba(0, 0, 0, .55));
}
#wheel { width: 100%; height: 100%; display: block; }

.pointer {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 17px solid transparent;
  border-right: 17px solid transparent;
  border-top: 34px solid var(--accent);
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, .6));
  z-index: 3;
}

.spin-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 21%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .3);
  background: linear-gradient(160deg, #2b3550, #10141f);
  color: var(--accent);
  font-weight: 800;
  font-size: clamp(13px, 2vw, 17px);
  cursor: pointer;
  z-index: 4;
  transition: transform .12s ease, box-shadow .2s ease;
  box-shadow: 0 0 0 6px rgba(12, 15, 24, .55);
}
.spin-btn:hover:not(:disabled) { transform: translate(-50%, -50%) scale(1.06); }
.spin-btn:active:not(:disabled) { transform: translate(-50%, -50%) scale(.96); }
.spin-btn:disabled { color: var(--muted); cursor: not-allowed; opacity: .75; }

.stage-meta { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.chip {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--muted);
}
.hint { margin: 0; color: #6d7a97; font-size: 12px; }

/* ---------- 패널 ---------- */
.side { display: flex; flex-direction: column; gap: 18px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
}
.panel-title { margin: 0 0 12px; font-size: 15px; color: var(--muted); font-weight: 700; letter-spacing: .3px; }

textarea, input[type="number"] {
  width: 100%;
  background: #0f1421;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 12px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
}
textarea:focus, input:focus { outline: 2px solid #3d63d1; outline-offset: 1px; }

.row { display: flex; align-items: center; gap: 10px; margin-top: 12px; }
.row.btns { flex-wrap: wrap; }
.row.center { justify-content: center; }
.field { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.field input { width: 72px; }
.counter { margin-left: auto; font-size: 13px; color: var(--muted); }

.btn {
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid var(--line);
  background: #1c2437;
  color: var(--text);
  transition: filter .15s ease;
}
.btn:hover { filter: brightness(1.18); }
.btn.primary { background: linear-gradient(150deg, #ffd45c, #ff9f43); color: #2a1c00; border-color: transparent; }
.btn.ghost { background: transparent; color: var(--muted); }
.warn { margin: 10px 0 0; color: var(--accent-2); font-size: 13px; }

/* ---------- 조 결과 ---------- */
.teams { display: grid; gap: 10px; }
.team {
  border: 1px solid var(--line);
  border-left: 4px solid var(--team-color, var(--accent));
  border-radius: 10px;
  padding: 10px 12px;
  background: #121828;
}
.team-title { display: flex; align-items: center; gap: 8px; margin: 0 0 6px; font-size: 14px; }
.team-badge { color: var(--team-color, var(--accent)); }
.team-count { margin-left: auto; font-size: 12px; color: var(--muted); font-weight: 500; }
.team-members { margin: 0; padding-left: 20px; display: flex; flex-wrap: wrap; gap: 2px 14px; }
.member { font-size: 13px; color: #cfd8ec; }
.teams:empty::after {
  content: "룰렛을 시작하면 여기에 조편성 결과가 쌓입니다.";
  color: var(--muted); font-size: 13px;
}

/* ---------- 당첨 오버레이 ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 8, 14, .82);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
  animation: fade .18s ease;
}
.overlay[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

.winner-card { text-align: center; padding: 24px; position: relative; z-index: 2; }
.winner-eyebrow { margin: 0; color: var(--accent); font-size: 15px; letter-spacing: 6px; font-weight: 700; }
.winner-name {
  margin: 10px 0 4px;
  font-size: clamp(56px, 15vw, 148px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -3px;
  background: linear-gradient(160deg, #fff 20%, var(--accent) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: pop .45s cubic-bezier(.2, 1.5, .4, 1);
}
@keyframes pop { from { transform: scale(.55); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.winner-team { margin: 0 0 22px; font-size: clamp(20px, 4vw, 32px); font-weight: 800; color: var(--winner-team-color, var(--accent)); }

.confetti { position: absolute; inset: 0; overflow: hidden; z-index: 1; pointer-events: none; }
.confetti i {
  position: absolute;
  top: -12vh;
  width: 9px; height: 15px;
  border-radius: 2px;
  animation: fall linear forwards;
}
@keyframes fall {
  to { transform: translateY(120vh) rotate(720deg); opacity: .1; }
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .side { order: 2; }
}