/* ── 멘붕타자 · Menbung Taja ── */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;700;800&family=Noto+Sans+KR:wght@400;700;900&display=swap');

:root {
  --mb-bg:       #06060c;
  --mb-surface:  rgba(255,255,255,0.04);
  --mb-border:   rgba(255,255,255,0.08);
  --mb-text:     #e0e0e0;
  --mb-dim:      #666;
  --mb-accent:   #00ffaa;
  --mb-pink:     #ff00ff;
  --mb-red:      #ff0040;
  --mb-gold:     #ffd700;
  --mb-ice:      #4ac8ff;
  --mb-mono:     'JetBrains Mono', monospace;
  --mb-sans:     'Noto Sans KR', sans-serif;
}

/* ── Reset ── */
.mb-wrap {
  max-width: 540px;
  margin: 0 auto;
  height: 100vh;
  max-height: 820px;
  font-family: var(--mb-mono);
  overflow: hidden;
  user-select: none;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

/* ── Scanlines ── */
.mb-scanlines {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: repeating-linear-gradient(0deg,
    transparent, transparent 2px,
    rgba(0,0,0,0.12) 2px, rgba(0,0,0,0.12) 4px);
  animation: mb-scanmove 8s linear infinite;
}

/* ── Title Screen ── */
.mb-title-bg {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #0a0a0f 0%, #0d0618 40%, #120a1e 70%, #0a0a0f 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.mb-title-content {
  text-align: center; z-index: 2; padding: 24px;
  animation: mb-fadeIn 0.6s ease;
}
.mb-glitch-wrap {
  position: relative; display: inline-block; margin-bottom: 8px;
}
.mb-title-main {
  font-size: 48px; font-weight: 900; color: #fff;
  font-family: var(--mb-sans);
  text-shadow: 0 0 20px rgba(255,0,255,0.4), 0 0 60px rgba(128,0,255,0.2);
  display: block;
}
.mb-title-g1, .mb-title-g2 {
  position: absolute; top: 0; left: 0;
  font-size: 48px; font-weight: 900;
  font-family: var(--mb-sans);
}
.mb-title-g1 { color: var(--mb-pink); opacity: 0.6; animation: mb-glitch1 3s infinite; }
.mb-title-g2 { color: var(--mb-accent); opacity: 0.4; animation: mb-glitch2 2.5s infinite; }
.mb-title-sub {
  font-size: 13px; color: var(--mb-dim); letter-spacing: 6px;
  margin-top: 4px; margin-bottom: 32px;
}

/* ── Language Toggle ── */
.mb-lang-row { display: flex; justify-content: center; gap: 8px; margin-bottom: 28px; }
.mb-lang-btn {
  padding: 6px 20px; border: 1px solid #333; border-radius: 4px;
  background: transparent; color: var(--mb-dim); cursor: pointer;
  font-family: var(--mb-mono); font-size: 13px; transition: all 0.2s;
}
.mb-lang-btn:hover { border-color: #555; color: #aaa; }
.mb-lang-btn.active {
  border-color: var(--mb-accent); color: var(--mb-accent);
  box-shadow: 0 0 10px rgba(0,255,170,0.15);
}

/* ── Mode Buttons ── */
.mb-mode-list {
  display: flex; flex-direction: column; gap: 10px;
  max-width: 320px; margin: 0 auto 24px;
}
.mb-mode-btn {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--mb-surface);
  border: 1px solid var(--mb-border); border-radius: 8px;
  cursor: pointer; text-align: left; transition: all 0.2s;
}
.mb-mode-btn:hover {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  transform: translateX(4px);
}
.mb-mode-icon { font-size: 24px; flex-shrink: 0; }
.mb-mode-label {
  font-size: 16px; font-weight: 700; color: var(--mb-text);
  font-family: var(--mb-sans); flex: 1;
}
.mb-mode-desc { font-size: 11px; color: var(--mb-dim); font-family: var(--mb-sans); }

.mb-howto { padding: 0 16px; font-size: 12px; color: #888; font-family: var(--mb-sans); }

/* ── Game Screen ── */
.mb-game-bg {
  width: 100%; height: 100%;
  background: linear-gradient(180deg, #06060c 0%, #0a0816 50%, #0d0a18 100%);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}

/* ── HUD ── */
.mb-hud {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 12px 14px 6px; gap: 16px; z-index: 20;
}
.mb-hud-left { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.mb-hud-right { text-align: right; }

.mb-bar-row { display: flex; align-items: center; gap: 6px; }
.mb-bar-label { font-size: 10px; font-weight: 700; width: 28px; text-align: right; }
.mb-bar-track {
  flex: 1; height: 8px; background: rgba(255,255,255,0.06);
  border-radius: 4px; overflow: hidden; min-width: 100px;
}
.mb-bar-fill { height: 100%; border-radius: 4px; transition: width 0.15s; }
.mb-bar-num { font-size: 10px; color: #888; width: 28px; }

.mb-score-big {
  font-size: 28px; font-weight: 800; color: #fff;
  text-shadow: 0 0 20px rgba(0,255,170,0.3); line-height: 1;
}
.mb-mini-stats {
  display: flex; gap: 10px; font-size: 10px; color: #555;
  margin-top: 4px; justify-content: flex-end;
}

/* ── Combo ── */
.mb-combo {
  position: absolute; top: 70px; left: 50%; transform: translateX(-50%);
  font-weight: 800; z-index: 15; pointer-events: none;
  animation: mb-fadeIn 0.2s ease;
}

/* ── Boss Bar ── */
.mb-boss-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 0 14px; margin-bottom: 4px; z-index: 15;
}
.mb-boss-emoji { font-size: 24px; }
.mb-boss-info { flex: 1; }
.mb-boss-meta { display: flex; justify-content: space-between; margin-bottom: 3px; }
.mb-boss-name { color: var(--mb-pink); font-weight: 700; font-size: 13px; }
.mb-boss-desc { color: #888; font-size: 11px; }
.mb-boss-track { height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; }
.mb-boss-fill {
  height: 100%; border-radius: 3px; transition: width 0.2s;
  background: linear-gradient(90deg, var(--mb-red), var(--mb-pink));
}

/* ── Difficulty Badge ── */
.mb-diff-badge {
  position: absolute; top: 68px; right: 14px;
  font-size: 10px; color: #555; z-index: 15;
}

/* ── Word Field ── */
.mb-field { flex: 1; position: relative; overflow: hidden; margin: 0 4px; }
.mb-deadline {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,0,64,0.4), rgba(255,0,64,0.55), rgba(255,0,64,0.4), transparent);
}

/* ── Words ── */
.mb-word {
  position: absolute; pointer-events: none; white-space: nowrap;
  font-family: var(--mb-mono); font-weight: 700;
  font-size: 15px; padding: 4px 10px; border-radius: 4px;
  letter-spacing: 0.5px; z-index: 10;
  transition: none;
}
.mb-word--normal {
  color: var(--mb-text); background: var(--mb-surface);
  border: 1px solid rgba(255,255,255,0.12);
}
.mb-word--fire {
  color: #fff; background: linear-gradient(135deg, #ff0040, #ff6600);
  box-shadow: 0 0 12px rgba(255,0,64,0.5), 0 0 24px rgba(255,102,0,0.25);
  animation: mb-firePulse 0.4s infinite alternate;
}
.mb-word--ice {
  color: #b0e0ff; background: rgba(0,100,200,0.3);
  border: 1px solid var(--mb-ice); box-shadow: 0 0 10px rgba(0,170,255,0.25);
}
.mb-word--gold {
  color: #1a1a1a; background: linear-gradient(135deg, #ffd700, #ffaa00);
  box-shadow: 0 0 15px rgba(255,215,0,0.4), 0 0 30px rgba(255,170,0,0.2);
  animation: mb-goldShine 1s infinite;
}
.mb-word--target { border: 1.5px solid var(--mb-accent) !important; box-shadow: 0 0 12px rgba(0,255,170,0.25) !important; }
.mb-word .matched { color: var(--mb-accent); }

/* ── Input ── */
.mb-input-area { padding: 8px 14px 16px; z-index: 20; }
.mb-input-wrap {
  display: flex; align-items: center; gap: 8px;
  background: var(--mb-surface); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; padding: 10px 14px;
}
.mb-input-prompt { color: var(--mb-accent); font-size: 18px; font-weight: 700; }
.mb-input-field {
  flex: 1; background: transparent; border: none; outline: none;
  color: #fff; font-size: 18px; font-weight: 600;
  font-family: var(--mb-mono); caret-color: var(--mb-accent);
}
.mb-input-field::placeholder { color: #444; }
.mb-input-info {
  display: flex; justify-content: space-between;
  padding: 4px 4px 0; font-size: 10px; color: #666;
}

/* ── Flash Overlays ── */
.mb-flash-hit {
  position: absolute; inset: 0; z-index: 30; pointer-events: none;
  background: radial-gradient(circle, rgba(0,255,170,0.1) 0%, transparent 70%);
  animation: mb-flashFade 0.25s ease forwards;
}
.mb-flash-miss {
  position: absolute; inset: 0; z-index: 30; pointer-events: none;
  background: radial-gradient(circle, rgba(255,0,64,0.15) 0%, transparent 70%);
  animation: mb-flashFade 0.25s ease forwards;
}

/* ── Heartbeat (menbung MAX) ── */
.mb-heartbeat {
  position: absolute; inset: 0; z-index: 5; pointer-events: none;
}
.mb-heartbeat-pulse {
  width: 100%; height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(255,0,40,0.15), transparent 70%);
  animation: mb-heartbeat 1s infinite;
}

/* ── Result Screen ── */
.mb-result-bg {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #0a0a0f, #0d0618, #0a0a0f);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.mb-result-content {
  text-align: center; padding: 32px; z-index: 2;
  animation: mb-fadeIn 0.5s ease;
}
.mb-result-title {
  font-size: 32px; font-weight: 900; color: var(--mb-red);
  letter-spacing: 8px; margin-bottom: 24px;
  text-shadow: 0 0 30px rgba(255,0,64,0.4);
}
.mb-grade-circle {
  width: 100px; height: 100px; border-radius: 50%;
  border: 3px solid; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 8px;
}
.mb-grade-letter { font-size: 52px; font-weight: 900; }
.mb-grade-label { font-size: 16px; font-weight: 700; margin-bottom: 28px; font-family: var(--mb-sans); }

.mb-stat-grid {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 16px; margin-bottom: 24px;
}
.mb-stat-item { display: flex; flex-direction: column; gap: 2px; }
.mb-stat-value { font-size: 22px; font-weight: 800; color: #fff; }
.mb-stat-label { font-size: 11px; color: var(--mb-dim); font-family: var(--mb-sans); }

/* ── Nickname Input ── */
.mb-nick-row {
  display: flex; gap: 8px; justify-content: center;
  margin-bottom: 16px; align-items: center;
}
.mb-nick-input {
  padding: 8px 14px; background: var(--mb-surface);
  border: 1px solid var(--mb-border); border-radius: 6px;
  color: #fff; font-family: var(--mb-mono); font-size: 14px;
  outline: none; width: 140px; text-align: center;
}
.mb-nick-input:focus { border-color: var(--mb-accent); }
.mb-save-btn {
  padding: 8px 16px; background: transparent;
  border: 1px solid var(--mb-accent); border-radius: 6px;
  color: var(--mb-accent); font-size: 13px; font-weight: 700;
  cursor: pointer; font-family: var(--mb-sans); transition: all 0.2s;
}
.mb-save-btn:hover { background: rgba(0,255,170,0.1); }
.mb-save-btn:disabled { opacity: 0.4; cursor: default; }

.mb-rank-msg {
  font-size: 13px; color: var(--mb-accent); margin-bottom: 16px;
  font-family: var(--mb-sans);
}

/* ── Leaderboard ── */
.mb-lb-wrap { margin-bottom: 20px; }
.mb-lb-title {
  font-size: 12px; color: var(--mb-dim); letter-spacing: 3px;
  margin-bottom: 8px; font-family: var(--mb-mono);
}
.mb-lb-table {
  width: 100%; border-collapse: collapse; font-size: 12px;
}
.mb-lb-table th {
  color: #555; font-weight: 400; padding: 4px 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06); text-align: left;
}
.mb-lb-table td {
  color: #ccc; padding: 4px 6px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.mb-lb-table tr.me td { color: var(--mb-accent); }

.mb-retry-btn {
  padding: 12px 40px; background: transparent;
  border: 1px solid var(--mb-accent); border-radius: 8px;
  color: var(--mb-accent); font-size: 16px; font-weight: 700;
  cursor: pointer; font-family: var(--mb-sans); transition: all 0.2s;
  box-shadow: 0 0 15px rgba(0,255,170,0.1);
}
.mb-retry-btn:hover {
  background: rgba(0,255,170,0.08);
  box-shadow: 0 0 25px rgba(0,255,170,0.2);
}

/* ── Menbung Effects ── */
.mb-shake { animation: mb-shake 0.4s infinite; }
.mb-bigshake { animation: mb-bigShake 0.3s ease; }
.mb-hue-shift { filter: hue-rotate(180deg); }

/* ── Keyframes ── */
@keyframes mb-fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes mb-flashFade {
  from { opacity: 1; }
  to   { opacity: 0; }
}
@keyframes mb-shake {
  0%,100% { transform: translateX(0); }
  25%     { transform: translateX(-2px) translateY(1px); }
  50%     { transform: translateX(2px) translateY(-1px); }
  75%     { transform: translateX(-1px) translateY(2px); }
}
@keyframes mb-bigShake {
  0%,100% { transform: translateX(0); }
  20%     { transform: translateX(-8px) rotate(-0.5deg); }
  40%     { transform: translateX(6px) rotate(0.3deg); }
  60%     { transform: translateX(-4px) rotate(-0.2deg); }
  80%     { transform: translateX(3px); }
}
@keyframes mb-firePulse {
  0%   { box-shadow: 0 0 8px rgba(255,0,64,0.4), 0 0 20px rgba(255,102,0,0.2); }
  100% { box-shadow: 0 0 16px rgba(255,0,64,0.7), 0 0 32px rgba(255,102,0,0.4); }
}
@keyframes mb-goldShine {
  0%,100% { filter: brightness(1); }
  50%     { filter: brightness(1.4); }
}
@keyframes mb-glitch1 {
  0%,100% { clip-path: inset(0 0 0 0); transform: translate(0); }
  20%     { clip-path: inset(20% 0 60% 0); transform: translate(-4px,0); }
  40%     { clip-path: inset(60% 0 10% 0); transform: translate(4px,0); }
  60%     { clip-path: inset(40% 0 30% 0); transform: translate(-2px,0); }
  80%     { clip-path: inset(10% 0 70% 0); transform: translate(3px,0); }
}
@keyframes mb-glitch2 {
  0%,100% { clip-path: inset(0 0 0 0); transform: translate(0); }
  25%     { clip-path: inset(50% 0 20% 0); transform: translate(3px,0); }
  50%     { clip-path: inset(10% 0 60% 0); transform: translate(-3px,0); }
  75%     { clip-path: inset(70% 0 5% 0); transform: translate(2px,0); }
}
@keyframes mb-heartbeat {
  0%,100% { transform: scale(1); opacity: 0.15; }
  15%     { transform: scale(1.03); opacity: 0.3; }
  30%     { transform: scale(1); opacity: 0.15; }
  45%     { transform: scale(1.02); opacity: 0.25; }
  60%     { transform: scale(1); opacity: 0.15; }
}
@keyframes mb-scanmove {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ── Mobile ── */
@media (max-width: 480px) {
  .mb-title-main, .mb-title-g1, .mb-title-g2 { font-size: 36px; }
  .mb-score-big { font-size: 22px; }
  .mb-stat-value { font-size: 18px; }
  .mb-result-title { font-size: 26px; letter-spacing: 4px; }
}