/* ============================================================
   블록 블래스트 (DUO BlockBlast / 1010!) — 다크 우드 + 컬러 블록
   2026-05-21
   ============================================================ */

:root {
  --bb-bg: #0F0907;
  --bb-bg-card: #1A1410;
  --bb-bg-board: #2A1F18;
  --bb-bg-cell: #1F1611;
  --bb-bg-hud: #221913;
  --bb-border: #3A2D24;
  --bb-border-bright: #5A4636;
  --bb-text: #F5F1ED;
  --bb-text-dim: #A89B8A;
  --bb-text-muted: #6B5D4F;
  --bb-gold: #F59E0B;
  --bb-success: #10B981;
  --bb-danger: #EF4444;
  --bb-warn: #FBBF24;
  --bb-shadow: 0 4px 24px rgba(0,0,0,0.5);
  --bb-shadow-inset: inset 0 2px 8px rgba(0,0,0,0.4);
  --bb-radius: 12px;
  --bb-radius-lg: 18px;
  --bb-radius-sm: 8px;

  /* 블록 색상 풀 */
  --bb-c1: #FBBF24;  /* 노랑 - 1x1 */
  --bb-c1-d: #D97706;
  --bb-c2: #06B6D4;  /* 청록 - 직선 */
  --bb-c2-d: #0E7490;
  --bb-c3: #EF4444;  /* 빨강 - 정사각 */
  --bb-c3-d: #B91C1C;
  --bb-c4: #8B5CF6;  /* 보라 - L/J */
  --bb-c4-d: #6D28D9;
  --bb-c5: #10B981;  /* 초록 - T */
  --bb-c5-d: #065F46;
  --bb-c6: #EC4899;  /* 핑크 - S/Z */
  --bb-c6-d: #BE185D;
  --bb-c7: #F97316;  /* 주황 - + */
  --bb-c7-d: #C2410C;
}

body {
  background: var(--bb-bg);
  color: var(--bb-text);
}

/* === Page Shell === */
.bb-page-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 12px;
  min-height: calc(100vh - 60px);
}
.bb-side-ad { display: none; }
@media (min-width: 1200px) {
  .bb-page-shell {
    grid-template-columns: 160px 1fr 160px;
    gap: 16px;
  }
  .bb-side-ad { display: block; min-height: 600px; }
}

.bb-app {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  width: 100%;
}

.bb-screen { display: none; width: 100%; max-width: 720px; }
.bb-screen.active {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* === SETUP === */
.bb-setup {
  background: linear-gradient(180deg, var(--bb-bg-card), #221710);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--bb-shadow);
  position: relative;
  overflow: hidden;
}
.bb-setup::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 0%, rgba(6,182,212,0.1), transparent 50%);
  pointer-events: none;
}
.bb-setup-emoji {
  font-size: 64px;
  line-height: 1;
  margin-bottom: 8px;
  animation: bb-bob 2.4s ease-in-out infinite;
}
@keyframes bb-bob {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50%      { transform: translateY(-6px) rotate(3deg); }
}
.bb-setup-title {
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
  background: linear-gradient(180deg, #BAE6FD, #38BDF8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bb-setup-sub {
  color: var(--bb-text-dim);
  font-size: 14px;
  margin-bottom: 18px;
}
.bb-setup-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 18px 0 22px;
}
.bb-prev-block {
  display: inline-block;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.3), inset 0 -2px 0 rgba(0,0,0,0.3);
}
.bb-prev-c1 { background: linear-gradient(135deg, var(--bb-c1), var(--bb-c1-d)); }
.bb-prev-c2 { background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d)); width: 48px; }
.bb-prev-c3 { background: linear-gradient(135deg, var(--bb-c3), var(--bb-c3-d)); }
.bb-prev-arrow {
  font-size: 20px;
  color: var(--bb-text-dim);
}
.bb-prev-clear {
  font-size: 26px;
  animation: bb-pop-pulse 1.5s ease-in-out infinite;
}
@keyframes bb-pop-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.25); }
}
.bb-setup-btn {
  display: inline-block;
  background: linear-gradient(180deg, var(--bb-c2), var(--bb-c2-d));
  color: #FFF;
  font-weight: 900;
  font-size: 18px;
  border: none;
  border-radius: 14px;
  padding: 16px 32px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(6,182,212,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform 0.1s, box-shadow 0.2s;
  margin: 8px 0;
}
.bb-setup-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(6,182,212,0.55), inset 0 1px 0 rgba(255,255,255,0.2);
}
.bb-setup-hint {
  color: var(--bb-text-dim);
  font-size: 13px;
  line-height: 1.7;
  margin-top: 18px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
  background: rgba(0,0,0,0.25);
  border-radius: var(--bb-radius);
  padding: 12px 16px;
  border-left: 3px solid var(--bb-c2);
}
.bb-setup-hint b { color: var(--bb-text); }

/* === Leaderboard === */
.bb-lb-panel {
  background: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 18px;
  box-shadow: var(--bb-shadow);
}
.bb-lb-title {
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 12px;
}
.bb-lb-tabs-row {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.bb-lb-tab {
  flex: 1 1 auto;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  color: var(--bb-text-dim);
  font-weight: 700;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.bb-lb-tab:hover {
  border-color: var(--bb-border-bright);
  color: var(--bb-text);
}
.bb-lb-tab.active {
  background: linear-gradient(180deg, var(--bb-c2), var(--bb-c2-d));
  border-color: var(--bb-c2);
  color: #FFF;
}
.bb-lb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 200px;
}
.bb-lb-list li {
  display: grid;
  grid-template-columns: 32px 28px 1fr auto auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-sm);
  font-size: 14px;
}
.bb-lb-list li.bb-lb-me {
  border-color: var(--bb-gold);
  background: rgba(245,158,11,0.08);
}
.bb-lb-list li.bb-lb-rank-1 { border-color: #FFD700; }
.bb-lb-list li.bb-lb-rank-2 { border-color: #C0C0C0; }
.bb-lb-list li.bb-lb-rank-3 { border-color: #CD7F32; }
.bb-lb-rank {
  font-weight: 900;
  text-align: center;
  color: var(--bb-text-dim);
}
.bb-lb-rank-1 .bb-lb-rank { color: #FFD700; }
.bb-lb-rank-2 .bb-lb-rank { color: #C0C0C0; }
.bb-lb-rank-3 .bb-lb-rank { color: #CD7F32; }
.bb-lb-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  background-color: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 900;
  color: #FFF;
}
.bb-lb-avatar.bb-lb-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-lb-nick {
  font-weight: 700;
  color: var(--bb-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.bb-lb-score {
  font-weight: 900;
  color: var(--bb-gold);
  font-variant-numeric: tabular-nums;
}
.bb-lb-meta {
  font-size: 11px;
  color: var(--bb-text-muted);
}
.bb-lb-empty {
  text-align: center;
  color: var(--bb-text-muted);
  padding: 32px 16px;
  font-size: 13px;
}
.bb-lb-note {
  margin-top: 12px;
  font-size: 11px;
  color: var(--bb-text-muted);
  text-align: center;
}

/* === PLAY === */
.bb-play-main {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  width: 100%;
}

/* HUD — 슬림 */
.bb-hud {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
  width: 100%;
  max-width: 600px;
  padding: 8px 14px;
  background: linear-gradient(180deg, var(--bb-bg-hud), #1A130D);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius);
  box-shadow: var(--bb-shadow);
}
.bb-hud-block { text-align: center; min-width: 0; }
.bb-hud-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bb-text-muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.bb-hud-score-value, .bb-hud-best-value, .bb-hud-combo-value {
  font-size: 20px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}
.bb-hud-score-value { color: var(--bb-gold); }
.bb-hud-best-value { color: var(--bb-text-dim); font-size: 16px; }
.bb-hud-combo-value { color: var(--bb-c2); }
.bb-hud-combo-value.bb-combo-active {
  animation: bb-combo-bounce 0.3s ease;
}
@keyframes bb-combo-bounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
.bb-hud-controls {
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.bb-icon-btn {
  background: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  color: var(--bb-text);
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.bb-icon-btn:hover {
  border-color: var(--bb-border-bright);
  background: var(--bb-bg-hud);
}
.bb-icon-btn.bb-muted { opacity: 0.4; }
.bb-icon-btn-give { color: var(--bb-danger); }

/* Board — 화면 세로에 맞춰 동적 max-width
   계산: topbar 60 + hud 60 + tray 110 + credit 20 + 여백 80 = 약 330 빼고 남는 공간
   최대 600, 최소 280 */
.bb-board-wrap {
  position: relative;
  width: 100%;
  max-width: min(600px, calc(100vh - 330px));
  background: linear-gradient(180deg, #3A2820, #2A1F18);
  border: 2px solid var(--bb-border-bright);
  border-radius: var(--bb-radius);
  padding: 10px;
  box-shadow: var(--bb-shadow), var(--bb-shadow-inset);
  user-select: none;
  touch-action: none;
  margin: 0 auto;
}
.bb-board {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(10, 1fr);
  gap: 3px;
  width: 100%;
  aspect-ratio: 1;
}
.bb-cell {
  background: var(--bb-bg-cell);
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.3);
  position: relative;
  transition: background 0.1s;
  opacity: 0;
  animation: bb-cell-in 0.4s ease-out forwards;
}
@keyframes bb-cell-in {
  from { opacity: 0; transform: scale(0.6); }
  to   { opacity: 1; transform: scale(1); }
}
.bb-cell[data-c="1"] { background: linear-gradient(135deg, var(--bb-c1), var(--bb-c1-d)); }
.bb-cell[data-c="2"] { background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d)); }
.bb-cell[data-c="3"] { background: linear-gradient(135deg, var(--bb-c3), var(--bb-c3-d)); }
.bb-cell[data-c="4"] { background: linear-gradient(135deg, var(--bb-c4), var(--bb-c4-d)); }
.bb-cell[data-c="5"] { background: linear-gradient(135deg, var(--bb-c5), var(--bb-c5-d)); }
.bb-cell[data-c="6"] { background: linear-gradient(135deg, var(--bb-c6), var(--bb-c6-d)); }
.bb-cell[data-c="7"] { background: linear-gradient(135deg, var(--bb-c7), var(--bb-c7-d)); }
.bb-cell[data-c]:not([data-c="0"]) {
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.25), inset 0 -2px 0 rgba(0,0,0,0.3);
}

/* 드래그 미리보기 (유효) */
.bb-cell.bb-preview-valid {
  background: rgba(16,185,129,0.45) !important;
  box-shadow: inset 0 0 0 2px var(--bb-success);
}
/* 드래그 미리보기 (무효) */
.bb-cell.bb-preview-invalid {
  background: rgba(239,68,68,0.35) !important;
  box-shadow: inset 0 0 0 2px var(--bb-danger);
}
/* 줄 제거 빛나는 효과 — stagger delay는 JS에서 inline style로 적용 */
.bb-cell.bb-clearing {
  animation: bb-cell-clear 0.45s ease-out forwards;
}
@keyframes bb-cell-clear {
  0%   { transform: scale(1); filter: brightness(1); }
  40%  { transform: scale(1.2); filter: brightness(2.2); box-shadow: 0 0 20px var(--bb-gold), 0 0 32px var(--bb-warn); }
  100% { transform: scale(0); filter: brightness(2); opacity: 0; }
}

/* 점수 카운트업 강조 */
.bb-hud-score-value.bb-score-bump {
  animation: bb-score-bump 0.35s ease-out;
}
@keyframes bb-score-bump {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.18); color: #FBBF24; text-shadow: 0 0 14px rgba(245,158,11,0.7); }
  100% { transform: scale(1); }
}

/* 콤보 5+ 화면 흔들림 */
.bb-board-wrap.bb-shake {
  animation: bb-shake 0.4s ease-in-out;
}
@keyframes bb-shake {
  0%, 100% { transform: translate(0, 0); }
  10%      { transform: translate(-4px, 2px); }
  20%      { transform: translate(5px, -3px); }
  30%      { transform: translate(-6px, 3px); }
  40%      { transform: translate(6px, -2px); }
  50%      { transform: translate(-4px, 4px); }
  60%      { transform: translate(4px, -4px); }
  70%      { transform: translate(-3px, 2px); }
  80%      { transform: translate(3px, -2px); }
  90%      { transform: translate(-1px, 1px); }
}

/* Block tray (하단 3개 블록 대기) — 슬림 */
.bb-block-tray {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  width: 100%;
  max-width: 600px;
  padding: 10px;
  background: linear-gradient(180deg, var(--bb-bg-card), #1A130D);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius);
  box-shadow: var(--bb-shadow);
  min-height: 100px;
  position: relative;
}
.bb-tray-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  border-radius: var(--bb-radius-sm);
  min-height: 76px;
  position: relative;
  padding: 6px;
}
.bb-tray-slot.bb-empty {
  opacity: 0.3;
}
.bb-block-wrap {
  display: grid;
  gap: 2px;
  cursor: grab;
  touch-action: none;
  transition: transform 0.15s;
}
.bb-block-wrap:hover {
  transform: scale(1.05);
}
.bb-block-wrap.bb-dragging {
  cursor: grabbing;
  opacity: 0.3;
}
.bb-block-wrap.bb-floating {
  position: fixed;
  z-index: 1000;
  pointer-events: none;
  transform: scale(1.0);
  opacity: 0.9;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,0.6));
}
.bb-block-cell {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 3px;
  box-shadow: inset 0 2px 0 rgba(255,255,255,0.25), inset 0 -2px 0 rgba(0,0,0,0.3);
}
.bb-block-wrap[data-c="1"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c1), var(--bb-c1-d)); }
.bb-block-wrap[data-c="2"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d)); }
.bb-block-wrap[data-c="3"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c3), var(--bb-c3-d)); }
.bb-block-wrap[data-c="4"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c4), var(--bb-c4-d)); }
.bb-block-wrap[data-c="5"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c5), var(--bb-c5-d)); }
.bb-block-wrap[data-c="6"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c6), var(--bb-c6-d)); }
.bb-block-wrap[data-c="7"] .bb-block-cell { background: linear-gradient(135deg, var(--bb-c7), var(--bb-c7-d)); }

/* 콤보 cutin */
.bb-combo-cutin {
  position: absolute;
  top: 30%;
  right: -10px;
  font-size: 48px;
  font-weight: 900;
  color: var(--bb-c2);
  -webkit-text-stroke: 2px #FFF;
  text-shadow: 0 0 20px rgba(6,182,212,0.8), 0 4px 12px rgba(0,0,0,0.6);
  opacity: 0;
  pointer-events: none;
  z-index: 20;
  letter-spacing: -1px;
}
.bb-combo-cutin.bb-show {
  animation: bb-cutin-show 0.8s ease-out;
}
@keyframes bb-cutin-show {
  0%   { opacity: 0; transform: translateX(40px) scale(0.6) rotate(-8deg); }
  20%  { opacity: 1; transform: translateX(0) scale(1.2) rotate(0deg); }
  60%  { opacity: 1; transform: translateX(0) scale(1) rotate(0deg); }
  100% { opacity: 0; transform: translateX(-20px) scale(0.9) rotate(0deg); }
}

/* Floating +N */
.bb-floating-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 15;
  overflow: hidden;
}
.bb-float-num {
  position: absolute;
  font-weight: 900;
  font-size: 22px;
  color: var(--bb-gold);
  text-shadow: 0 2px 6px rgba(0,0,0,0.7), 0 0 14px rgba(245,158,11,0.6);
  pointer-events: none;
  animation: bb-float-up 1.2s ease-out forwards;
}
@keyframes bb-float-up {
  0%   { opacity: 0; transform: translateY(0) scale(0.6); }
  20%  { opacity: 1; transform: translateY(-12px) scale(1.1); }
  100% { opacity: 0; transform: translateY(-70px) scale(0.9); }
}

.bb-credit {
  font-size: 10px;
  color: var(--bb-text-muted);
  text-align: center;
  margin-top: 2px;
  opacity: 0.7;
}

/* === END === */
.bb-end-card {
  background: linear-gradient(180deg, var(--bb-bg-card), #221710);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--bb-shadow);
}
.bb-end-grade {
  font-size: 88px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
  -webkit-text-stroke: 2px rgba(0,0,0,0.3);
  letter-spacing: -2px;
  animation: bb-grade-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.bb-end-grade.bb-grade-s { color: #F59E0B; text-shadow: 0 0 30px rgba(245,158,11,0.5); }
.bb-end-grade.bb-grade-a { color: #10B981; text-shadow: 0 0 24px rgba(16,185,129,0.4); }
.bb-end-grade.bb-grade-b { color: #3B82F6; text-shadow: 0 0 20px rgba(59,130,246,0.4); }
.bb-end-grade.bb-grade-c { color: #8B5CF6; text-shadow: 0 0 16px rgba(139,92,246,0.4); }
.bb-end-grade.bb-grade-d { color: #6B7280; }
@keyframes bb-grade-in {
  0%   { opacity: 0; transform: scale(0.3) rotate(-20deg); }
  60%  { opacity: 1; transform: scale(1.2) rotate(5deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
.bb-end-title {
  font-size: 14px;
  color: var(--bb-text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.bb-end-score {
  font-size: 56px;
  font-weight: 900;
  color: var(--bb-gold);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  margin-bottom: 18px;
}
.bb-end-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  background: rgba(0,0,0,0.25);
  border-radius: var(--bb-radius);
  padding: 12px;
  margin-bottom: 18px;
}
.bb-end-stat { text-align: center; }
.bb-end-stat-label {
  display: block;
  font-size: 11px;
  color: var(--bb-text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
}
.bb-end-stat-val {
  font-size: 20px;
  font-weight: 900;
  color: var(--bb-text);
}
.bb-end-rank {
  font-size: 16px;
  font-weight: 800;
  color: var(--bb-gold);
  margin-top: 12px;
}
.bb-end-best {
  font-size: 13px;
  color: var(--bb-text-dim);
  margin-top: 6px;
}
.bb-end-best.bb-new-best {
  color: var(--bb-gold);
  font-weight: 900;
  font-size: 16px;
  animation: bb-best-glow 1.6s ease-in-out infinite;
}
@keyframes bb-best-glow {
  0%, 100% { text-shadow: 0 0 0 transparent; }
  50%      { text-shadow: 0 0 20px rgba(245,158,11,0.6); }
}
.bb-end-login-cta {
  background: linear-gradient(135deg, rgba(6,182,212,0.15), rgba(245,158,11,0.1));
  border: 1px solid var(--bb-c2);
  border-radius: var(--bb-radius);
  padding: 16px;
  text-align: center;
  margin-top: 8px;
}
.bb-end-login-cta-title {
  font-size: 14px;
  color: var(--bb-text);
  margin-bottom: 10px;
}
.bb-end-mini-lb {
  background: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 16px;
  margin-top: 8px;
}
.bb-end-mini-lb-title {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 10px;
}
.bb-end-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}
@media (min-width: 600px) {
  .bb-end-actions { flex-direction: row; }
  .bb-end-actions > * { flex: 1; }
}

/* === Buttons === */
.bb-btn-primary {
  background: linear-gradient(180deg, var(--bb-c2), var(--bb-c2-d));
  color: #FFF;
  font-weight: 900;
  font-size: 16px;
  border: none;
  border-radius: 12px;
  padding: 14px 20px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(6,182,212,0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: transform 0.1s, box-shadow 0.2s;
}
.bb-btn-primary:hover {
  transform: translateY(-2px);
}
.bb-btn-secondary {
  background: var(--bb-bg-hud);
  color: var(--bb-text);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid var(--bb-border-bright);
  border-radius: 12px;
  padding: 14px 20px;
  cursor: pointer;
}
.bb-btn-secondary:hover { background: var(--bb-bg-card); }
.bb-btn-ghost {
  background: transparent;
  color: var(--bb-text-dim);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid var(--bb-border);
  border-radius: 12px;
  padding: 14px 20px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* === SEO Info === */
.bb-info-card {
  background: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 24px;
  margin-top: 16px;
  max-width: 900px;
  width: 100%;
  color: var(--bb-text-dim);
  font-size: 14px;
  line-height: 1.7;
}
.bb-info-card h2 { color: var(--bb-text); font-size: 22px; margin: 0 0 12px; }
.bb-info-card h3 { color: var(--bb-text); font-size: 16px; margin: 18px 0 8px; }
.bb-info-card dl { display: grid; grid-template-columns: 100px 1fr; gap: 6px 12px; margin: 8px 0; }
.bb-info-card dt { color: var(--bb-text-muted); font-weight: 700; }
.bb-info-card ul { padding-left: 20px; margin: 8px 0; }
.bb-info-card li { margin-bottom: 4px; }
.bb-info-card a { color: var(--bb-gold); text-decoration: none; }
.bb-info-card a:hover { text-decoration: underline; }
.bb-info-card .seo-info-tags { color: var(--bb-text-muted); font-size: 12px; }

/* === Toast === */
.bb-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: rgba(20,15,10,0.95);
  border: 1px solid var(--bb-border-bright);
  color: var(--bb-text);
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: var(--bb-shadow);
  z-index: 2000;
  pointer-events: none;
  transition: transform 0.3s ease-out;
}
.bb-toast.show { transform: translateX(-50%) translateY(0); }
.bb-toast.bb-toast-success { border-color: var(--bb-success); }
.bb-toast.bb-toast-error { border-color: var(--bb-danger); }
.bb-toast.bb-toast-warn { border-color: var(--bb-warn); }

/* === MULTI ============================================================ */

/* Block timer bar (한 세트 시간 제한) */
.bb-block-timer-bar {
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}
.bb-block-timer-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--bb-text-dim);
  text-align: center;
  margin-bottom: 4px;
}
.bb-block-timer-label .bb-warn-soft { color: var(--bb-warn); }
.bb-block-timer-label .bb-warn-hard { color: var(--bb-danger); font-weight: 900; }
.bb-block-timer-bg {
  background: var(--bb-bg-cell);
  border: 1px solid var(--bb-border);
  border-radius: 8px;
  height: 8px;
  overflow: hidden;
  position: relative;
}
.bb-block-timer-fill {
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--bb-c2), var(--bb-c2-d));
  border-radius: 8px;
  transition: width 0.2s linear, background 0.3s;
}
.bb-block-timer-fill.bb-warn-soft { background: linear-gradient(90deg, var(--bb-warn), #D97706); }
.bb-block-timer-fill.bb-warn-hard {
  background: linear-gradient(90deg, var(--bb-danger), #B91C1C);
  animation: bb-time-pulse 0.4s ease-in-out infinite;
}

/* Loading */
.bb-loading-card {
  background: linear-gradient(180deg, var(--bb-bg-card), #221710);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 48px 32px;
  text-align: center;
  box-shadow: var(--bb-shadow);
  max-width: 380px;
  margin: 60px auto 0;
}
.bb-loading-spinner {
  width: 60px; height: 60px;
  border: 4px solid var(--bb-border);
  border-top-color: var(--bb-c2);
  border-radius: 50%;
  margin: 0 auto 18px;
  animation: bb-spin 1s linear infinite;
}
@keyframes bb-spin { to { transform: rotate(360deg); } }
.bb-loading-text { color: var(--bb-text); font-weight: 700; font-size: 16px; }

/* Entry input */
.bb-setup-input {
  width: 100%;
  max-width: 320px;
  margin: 8px auto;
  display: block;
  padding: 12px 14px;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  border-radius: 10px;
  color: var(--bb-text);
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}
.bb-setup-input:focus { outline: none; border-color: var(--bb-c2); }
.bb-setup-btn-secondary {
  background: var(--bb-bg-hud);
  color: var(--bb-text);
  border: 1px solid var(--bb-border-bright);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.bb-login-warn {
  background: rgba(245,158,11,0.12);
  border: 1px solid var(--bb-warn);
  color: var(--bb-text);
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin: 8px auto 12px;
  max-width: 360px;
}

/* Lobby */
.bb-lobby {
  background: linear-gradient(180deg, var(--bb-bg-card), #221710);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-lg);
  padding: 22px 20px;
  box-shadow: var(--bb-shadow);
  max-width: 580px;
  margin: 0 auto;
  width: 100%;
}
.bb-lobby-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.bb-lobby-title { font-size: 22px; font-weight: 900; }
.bb-lobby-invite { background: rgba(0,0,0,0.3); border-radius: var(--bb-radius); padding: 12px 14px; margin-bottom: 14px; }
.bb-lobby-invite-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--bb-text-muted); margin-bottom: 6px; }
.bb-lobby-invite-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bb-lobby-invite-code {
  font-size: 24px; font-weight: 900;
  color: var(--bb-gold);
  letter-spacing: 4px;
  font-variant-numeric: tabular-nums;
  flex: 1 1 auto; user-select: all;
}
.bb-lobby-options { background: rgba(0,0,0,0.2); border-radius: var(--bb-radius); padding: 12px 14px; margin-bottom: 14px; }
.bb-lobby-opt-label {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; font-size: 13px; font-weight: 700;
}
.bb-lobby-opt-hint { font-size: 11px; color: var(--bb-text-muted); margin-top: 8px; }
.bb-lobby-roster-head {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--bb-text-muted); font-weight: 700;
  text-transform: uppercase; margin-bottom: 6px;
}
.bb-lobby-roster {
  list-style: none; padding: 0; margin: 0 0 14px;
  display: flex; flex-direction: column; gap: 6px;
  max-height: 280px; overflow-y: auto;
}
.bb-lobby-roster li {
  display: grid; grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 10px;
  padding: 8px 12px;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-sm);
  font-size: 14px;
}
.bb-roster-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background-size: cover; background-position: center;
  background-color: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 900; color: #FFF;
}
.bb-roster-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-roster-nick {
  font-weight: 700; color: var(--bb-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bb-roster-host-tag {
  font-size: 11px; font-weight: 800; color: var(--bb-gold);
  background: rgba(245,158,11,0.15);
  border: 1px solid var(--bb-gold);
  padding: 2px 6px; border-radius: 4px;
}
.bb-roster-kick {
  background: transparent; color: var(--bb-danger);
  border: 1px solid var(--bb-danger);
  font-size: 11px; padding: 2px 8px; border-radius: 4px;
  cursor: pointer;
}
.bb-roster-disconnect { color: var(--bb-text-muted); font-size: 11px; }

/* Multi top (game timer + top mini-boards) */
.bb-multi-top {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto 8px;
  flex-wrap: wrap;
}
.bb-game-timer {
  font-size: 22px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  color: var(--bb-text);
  background: linear-gradient(180deg, var(--bb-bg-card), #1A130D);
  border: 1px solid var(--bb-border);
  border-radius: 10px;
  padding: 8px 14px;
  min-width: 100px;
  text-align: center;
  flex-shrink: 0;
}
.bb-game-timer.bb-warn-soft { color: var(--bb-warn); }
.bb-game-timer.bb-warn-hard {
  color: var(--bb-danger);
  animation: bb-time-pulse 0.5s ease-in-out infinite;
}
@keyframes bb-time-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}

/* Top mini-boards (상위 1~2위 자기 제외) */
.bb-top-mini-boards {
  display: flex;
  gap: 8px;
  flex: 1 1 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.bb-top-mini {
  background: linear-gradient(180deg, var(--bb-bg-card), #1A130D);
  border: 2px solid var(--bb-border);
  border-radius: 10px;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 110px;
  max-width: 160px;
}
.bb-top-mini.bb-top-mini-rank-1 {
  border-color: var(--bb-gold);
  box-shadow: 0 0 14px rgba(245,158,11,0.3);
}
.bb-top-mini.bb-top-mini-rank-2 { border-color: #C0C0C0; }
.bb-top-mini.bb-eliminated { opacity: 0.55; }
.bb-top-mini-head {
  display: flex; align-items: center; gap: 4px;
  width: 100%; font-size: 11px;
}
.bb-top-mini-medal { font-size: 14px; line-height: 1; }
.bb-top-mini-avatar {
  width: 18px; height: 18px; border-radius: 50%;
  background-size: cover; background-position: center;
  border: 1px solid var(--bb-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 900; color: #FFF;
  flex-shrink: 0;
}
.bb-top-mini-avatar.bb-roster-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-top-mini-nick {
  flex: 1; font-weight: 700; color: var(--bb-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-size: 11px;
}
.bb-top-mini-score {
  font-weight: 900; color: var(--bb-gold);
  font-variant-numeric: tabular-nums; font-size: 11px;
}
.bb-top-mini-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 1px;
  width: 100%;
  aspect-ratio: 1;
  max-height: 110px;
}
.bb-mini-cell {
  background: var(--bb-bg-cell);
  border-radius: 1px;
}
.bb-mini-cell[data-c="1"] { background: var(--bb-c1); }
.bb-mini-cell[data-c="2"] { background: var(--bb-c2); }
.bb-mini-cell[data-c="3"] { background: var(--bb-c3); }
.bb-mini-cell[data-c="4"] { background: var(--bb-c4); }
.bb-mini-cell[data-c="5"] { background: var(--bb-c5); }
.bb-mini-cell[data-c="6"] { background: var(--bb-c6); }
.bb-mini-cell[data-c="7"] { background: var(--bb-c7); }

/* Multi play layout */
.bb-multi-play-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .bb-multi-play-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 14px;
  }
}

/* Left leaderboard */
.bb-multi-left { width: 100%; }
.bb-leaderboard {
  background: var(--bb-bg-card);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius);
  padding: 10px;
  box-shadow: var(--bb-shadow);
}
.bb-leaderboard-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.bb-leaderboard-title { font-size: 13px; font-weight: 800; color: var(--bb-text); }
.bb-myrank { font-size: 11px; color: var(--bb-gold); font-weight: 800; }
.bb-leaderboard-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.bb-leaderboard-list li {
  display: grid;
  grid-template-columns: 20px 22px 1fr auto;
  align-items: center;
  gap: 6px;
  padding: 5px 7px;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  border-radius: 6px;
  font-size: 12px;
}
.bb-leaderboard-list li.bb-lb-me {
  border-color: var(--bb-gold);
  background: rgba(245,158,11,0.1);
}
.bb-leaderboard-list li.bb-lb-rank-1 { border-color: var(--bb-gold); }
.bb-leaderboard-list li.bb-lb-rank-2 { border-color: #C0C0C0; }
.bb-leaderboard-list li.bb-lb-rank-3 { border-color: #CD7F32; }
.bb-leaderboard-list li.bb-lb-eliminated { opacity: 0.55; }
.bb-leaderboard-list li.bb-lb-eliminated::after {
  content: "🏳️";
  margin-left: 4px;
  font-size: 10px;
}
.bb-leaderboard-list .bb-lb-rank {
  font-weight: 900; text-align: center; color: var(--bb-text-dim);
}
.bb-leaderboard-list .bb-lb-avatar {
  width: 20px; height: 20px; border-radius: 50%;
  background-size: cover; background-position: center;
  border: 1px solid var(--bb-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 900; color: #FFF;
}
.bb-leaderboard-list .bb-lb-avatar.bb-roster-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-leaderboard-list .bb-lb-nick {
  font-weight: 700; color: var(--bb-text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bb-leaderboard-list .bb-lb-score {
  font-weight: 900; color: var(--bb-gold);
  font-variant-numeric: tabular-nums;
}

/* Eliminated overlay */
.bb-eliminated-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 9, 7, 0.92);
  border-radius: var(--bb-radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 25;
  animation: bb-elim-in 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes bb-elim-in {
  0%   { opacity: 0; transform: scale(0.5); }
  60%  { opacity: 1; transform: scale(1.1); }
  100% { opacity: 1; transform: scale(1); }
}
.bb-elim-icon { font-size: 56px; }
.bb-elim-title {
  font-size: 28px;
  font-weight: 900;
  color: var(--bb-danger);
  letter-spacing: 1px;
  text-shadow: 0 0 16px rgba(239,68,68,0.6);
}
.bb-elim-sub { font-size: 12px; color: var(--bb-text-dim); }

/* Spectate (탈락 후 살아있는 사람 캐러셀) */
.bb-spectate-wrap {
  width: 100%;
  background: linear-gradient(180deg, #3A2820, #2A1F18);
  border: 2px solid var(--bb-border-bright);
  border-radius: var(--bb-radius);
  padding: 10px;
  box-shadow: var(--bb-shadow), var(--bb-shadow-inset);
  margin-top: 8px;
}
.bb-spectate-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 4px 6px;
}
.bb-spec-arrow {
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  color: var(--bb-text);
  width: 32px; height: 32px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  flex-shrink: 0;
}
.bb-spec-arrow:hover { border-color: var(--bb-c2); background: var(--bb-bg-card); }
.bb-spec-target {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}
.bb-spec-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background-size: cover; background-position: center;
  border: 1px solid var(--bb-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 900; color: #FFF;
}
.bb-spec-avatar.bb-roster-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-spec-score {
  margin-left: auto;
  color: var(--bb-gold);
  font-variant-numeric: tabular-nums;
}
.bb-board-spectate {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  grid-template-rows: repeat(10, 1fr);
  gap: 3px;
  width: 100%;
  aspect-ratio: 1;
  max-width: 400px;
  margin: 0 auto;
}

/* Final ranking */
.bb-final-ranking {
  list-style: none; padding: 0; margin: 12px 0 0;
  display: flex; flex-direction: column; gap: 8px;
}
.bb-final-ranking li {
  display: grid;
  grid-template-columns: 36px 40px 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bb-bg-hud);
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius-sm);
  font-size: 14px;
}
.bb-final-ranking li.bb-final-rank-1 {
  border-color: var(--bb-gold);
  background: linear-gradient(180deg, rgba(245,158,11,0.12), transparent);
  box-shadow: 0 0 0 1px var(--bb-gold);
}
.bb-final-ranking li.bb-final-rank-2 { border-color: #C0C0C0; }
.bb-final-ranking li.bb-final-rank-3 { border-color: #CD7F32; }
.bb-final-medal { font-size: 22px; text-align: center; }
.bb-final-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background-size: cover; background-position: center;
  border: 2px solid var(--bb-border);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 900; color: #FFF;
}
.bb-final-avatar.bb-roster-avatar-initial {
  background: linear-gradient(135deg, var(--bb-c2), var(--bb-c2-d));
}
.bb-final-nick { font-weight: 800; color: var(--bb-text); font-size: 15px; }
.bb-final-score {
  font-weight: 900; color: var(--bb-gold);
  font-variant-numeric: tabular-nums; font-size: 16px;
}
.bb-final-meta { font-size: 12px; color: var(--bb-text-muted); text-align: right; }
.bb-final-status {
  font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
}
.bb-final-status.bb-status-active { background: rgba(16,185,129,0.2); color: var(--bb-success); }
.bb-final-status.bb-status-eliminated { background: rgba(239,68,68,0.15); color: var(--bb-danger); }
.bb-final-status.bb-status-left { background: rgba(107,114,128,0.15); color: var(--bb-text-muted); }

/* Multi responsive */
@media (max-width: 1023px) {
  .bb-multi-play-layout { grid-template-columns: 1fr; }
  .bb-multi-left { order: 2; }
  .bb-play-main { order: 1; }
  .bb-leaderboard-list { flex-direction: row; flex-wrap: wrap; }
  .bb-leaderboard-list li { flex: 1 1 calc(50% - 4px); grid-template-columns: 16px 20px 1fr auto; }
}
@media (max-width: 640px) {
  .bb-multi-top { gap: 6px; }
  .bb-game-timer { font-size: 18px; padding: 6px 10px; min-width: 80px; }
  .bb-top-mini { min-width: 90px; max-width: calc(50% - 4px); padding: 4px 6px; }
  .bb-top-mini-grid { max-height: 70px; }
  .bb-top-mini-nick, .bb-top-mini-score { font-size: 10px; }
  .bb-spec-arrow { width: 28px; height: 28px; font-size: 14px; }
  .bb-spec-target { font-size: 12px; gap: 6px; }
  .bb-board-spectate { max-width: 280px; }
  .bb-final-ranking li {
    grid-template-columns: 28px 32px 1fr auto;
    gap: 6px;
    padding: 8px;
  }
  .bb-final-medal { font-size: 18px; }
  .bb-final-avatar { width: 32px; height: 32px; font-size: 14px; }
  .bb-final-nick { font-size: 13px; }
  .bb-final-score { font-size: 14px; }
  .bb-final-meta, .bb-final-status { display: none; }
}

/* === Utility === */
.bb-hidden { display: none !important; }

/* === Responsive === */
@media (max-width: 640px) {
  .bb-page-shell { padding: 4px 8px; }
  .bb-setup { padding: 24px 16px; }
  .bb-setup-title { font-size: 28px; }
  .bb-setup-emoji { font-size: 52px; }
  .bb-hud { padding: 6px 10px; gap: 6px; }
  .bb-hud-score-value { font-size: 18px; }
  .bb-hud-best-value, .bb-hud-combo-value { font-size: 15px; }
  .bb-hud-label { font-size: 10px; }
  .bb-board-wrap { padding: 6px; max-width: min(100%, calc(100vh - 280px)); }
  .bb-board { gap: 2px; }
  .bb-block-tray { padding: 6px; gap: 6px; min-height: 84px; }
  .bb-tray-slot { padding: 4px; min-height: 70px; }
  .bb-end-grade { font-size: 68px; }
  .bb-end-score { font-size: 42px; }
  .bb-end-stat-val { font-size: 16px; }
  .bb-info-card { padding: 16px; }
  .bb-info-card dl { grid-template-columns: 1fr; }
  .bb-credit { display: none; }  /* 모바일에서 공간 절약 */
}