.knockback-container{position:fixed;top:0;left:0;width:100%;height:100%;z-index:10000;display:flex;flex-direction:column;background:#000000eb;font-family:var(--font-family-body)}.knockback-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:linear-gradient(135deg,var(--game-bg-deep) 0%,var(--game-bg-dark) 100%);border-bottom:2px solid var(--game-border);flex-shrink:0}.knockback-header-left{display:flex;align-items:center;gap:12px}.knockback-header-center{display:flex;align-items:center;gap:16px}.knockback-header-right{display:flex;align-items:center;gap:8px}.knockback-title{font-family:var(--font-family-title);font-size:20px;color:var(--game-accent-gold);text-shadow:0 2px 4px rgba(0,0,0,.5)}.knockback-timer{font-family:var(--font-family-ui);font-size:18px;font-weight:700;color:var(--game-text-secondary);background:#00000059;padding:2px 10px;border-radius:8px;border:1px solid rgba(var(--game-border-rgb),.4);min-width:48px;text-align:center;transition:color .3s,border-color .3s,background .3s}.knockback-timer--warning{color:#ffa726;border-color:#ffa72680}.knockback-timer--critical{color:#ff6b6b;border-color:#ff6b6b80;animation:knockback-timer-pulse 1s ease-in-out infinite}@keyframes knockback-timer-pulse{0%,to{opacity:1}50%{opacity:.6}}.knockback-stat{display:inline-flex;align-items:center;gap:4px;color:var(--game-text-secondary);font-family:var(--font-family-ui);font-size:15px;font-weight:600}.knockback-stat .icon{display:inline-flex;align-items:center}.knockback-stat-label{font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#ffffff80}@media (max-width: 640px){.knockback-stat-label{display:none}}.knockback-btn{border:2px solid transparent;border-radius:8px;padding:6px 14px;font-family:var(--font-family-ui);font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:all .2s}.knockback-btn-close{background:transparent;border-color:#ff6b6b66;color:#ff6b6b}.knockback-btn-close:hover{background:#ff6b6b33;border-color:#ff6b6b}.knockback-btn-primary{background:linear-gradient(135deg,var(--game-accent-gold) 0%,#ff9900 100%);border-color:transparent;color:var(--game-bg-dark);padding:12px 24px;font-family:var(--font-family-title);font-size:16px;border-radius:12px}.knockback-btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(var(--game-accent-gold-rgb),.4)}.knockback-body{flex:1;display:flex;gap:0;overflow:hidden;min-height:0}.knockback-game-area{flex:1;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;background:#050510}.knockback-game-area--lobby{align-items:flex-start;justify-content:flex-start;overflow-y:auto;background:linear-gradient(180deg,#0f0a1a,#050510)}.knockback-body--lobby{overflow-y:auto}.knockback-body--lobby .knockback-sidebar{display:none}#knockback-canvas{max-width:100%;max-height:100%;cursor:crosshair;image-rendering:pixelated;image-rendering:crisp-edges}.knockback-name-labels{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.knockback-name-label{position:absolute;transform:translate(-50%);font-family:var(--font-family-ui);font-size:11px;font-weight:700;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.8);-webkit-text-stroke:2px rgba(var(--game-bg-deep-rgb),.8);paint-order:stroke fill;white-space:nowrap;pointer-events:none;letter-spacing:.3px;transition:top .05s linear,left .05s linear}.knockback-name-label-self{color:var(--game-accent-gold)}.knockback-sidebar{width:300px;flex-shrink:0;display:flex;flex-direction:column;gap:0;background:linear-gradient(180deg,var(--game-bg-deep) 0%,var(--game-bg-dark) 100%);border-left:2px solid var(--game-border);overflow:hidden}.knockback-scoreboard{flex:1;padding:14px;overflow-y:auto}.knockback-scoreboard-title{font-family:var(--font-family-title);font-size:14px;color:var(--game-accent-gold);margin:0 0 8px}.knockback-score-row{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:6px;margin-bottom:4px;color:var(--game-text-secondary);font-size:12px;background:rgba(var(--game-border-rgb),.15)}.knockback-score-row.self{background:rgba(var(--game-accent-gold-rgb),.15);border:1px solid rgba(var(--game-accent-gold-rgb),.3);color:#fff}.knockback-score-row.dead{opacity:.4;text-decoration:line-through}.knockback-score-rank{color:var(--game-accent-gold);font-weight:700;min-width:24px}.knockback-score-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.knockback-score-value{font-weight:700;color:#4ade80;min-width:30px;text-align:right}.knockback-score-kd{font-size:11px;color:var(--game-text-secondary);min-width:32px;text-align:center;opacity:.8}.knockback-score-lives{display:inline-flex;gap:1px;align-items:center;justify-content:flex-end;min-width:46px;font-size:11px;font-variant-numeric:tabular-nums;color:#7fe3ff;font-weight:700}.knockback-score-lives .icon{color:#ff6b6b;display:inline-flex}.knockback-ammo-btn{position:absolute;bottom:18px;left:50%;transform:translate(-50%);display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:2px solid rgba(var(--game-accent-gold-rgb),.7);border-radius:999px;background:linear-gradient(135deg,rgba(var(--game-bg-deep-rgb),.92),rgba(var(--game-border-rgb),.92));color:#fff;font-family:var(--font-family-ui);font-size:14px;font-weight:700;cursor:pointer;z-index:15;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;box-shadow:0 6px 18px #00000073}.knockback-ammo-btn:hover{transform:translate(-50%) translateY(-2px);box-shadow:0 10px 24px #0000008c}.knockback-ammo-btn-key{display:inline-flex;align-items:center;justify-content:center;min-width:20px;padding:1px 5px;border:1px solid rgba(255,255,255,.35);border-radius:5px;background:#0000004d;font-size:11px}.knockback-ammo-btn--urgent{border-color:var(--game-accent-gold);animation:knockback-ammo-pulse 1.1s ease-in-out infinite}@keyframes knockback-ammo-pulse{0%,to{box-shadow:0 6px 18px #00000073}50%{box-shadow:0 6px 18px #00000073,0 0 0 6px rgba(var(--game-accent-gold-rgb),.22)}}.knockback-ammo-btn--error{border-color:#ff6b6b;color:#ffd9d9}.knockback-flashcard-popup{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#050510b8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:20}.knockback-flashcard-inner{background:linear-gradient(135deg,var(--game-bg-primary),var(--game-bg-secondary));border:2px solid var(--game-border);border-radius:16px;padding:20px 24px;max-width:560px;width:calc(100% - 48px);max-height:calc(100% - 40px);overflow-y:auto;box-shadow:0 12px 40px #0009;transition:border-color .2s ease,box-shadow .2s ease}.knockback-flashcard-inner.knockback-fc-correct{border-color:#4ade80}.knockback-flashcard-inner.knockback-fc-wrong{border-color:#ff6b6b}.knockback-fc-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}.knockback-fc-progress{font-family:var(--font-family-ui);font-size:12px;font-weight:700;color:var(--game-accent-gold);letter-spacing:.3px}.knockback-fc-reward{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--game-text-secondary);margin-left:auto}.knockback-flashcard-close{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#00000040;color:var(--game-text-secondary);cursor:pointer;transition:all .15s ease}.knockback-flashcard-close:hover{border-color:#ff6b6b;color:#ff6b6b}.knockback-fc-pips{display:flex;gap:6px;margin-bottom:12px}.knockback-fc-pip{flex:1;height:4px;border-radius:2px;background:#ffffff26}.knockback-fc-pip--done{background:#4ade80}.knockback-fc-pip--active{background:var(--game-accent-gold)}.knockback-fc-answer{margin-top:12px;padding:10px 12px;border-radius:8px;background:#ff6b6b26;color:#ffd9d9;font-size:13px;text-align:center}.knockback-fc-answer--good{background:#4ade802e;color:#d7ffe4}.knockback-fc-foot{margin-top:12px;font-size:11px;color:var(--game-text-secondary);text-align:center;opacity:.8}.knockback-flashcard-choice--selected{border-color:var(--game-accent-gold)!important}@media (max-width: 720px){.knockback-ammo-btn{display:none}.knockback-flashcard-inner{padding:16px;width:calc(100% - 24px)}}.knockback-flashcard-term{font-family:var(--font-family-ui);font-size:15px;color:#fff;text-align:center;padding:12px;background:rgba(var(--game-border-rgb),.3);border-radius:8px;margin-bottom:10px}.knockback-flashcard-choices{display:flex;flex-direction:column;gap:8px}.knockback-flashcard-choice{background:linear-gradient(135deg,var(--game-border) 0%,#4a2c7a 100%);border:2px solid transparent;border-radius:8px;color:#fff;padding:10px 12px;font-family:var(--font-family-body);font-size:13px;cursor:pointer;transition:all .2s;text-align:left}.knockback-flashcard-choice:hover:not(:disabled){border-color:var(--game-accent-gold);transform:translateY(-2px);background:linear-gradient(135deg,#7b5ab3,#5a3c8a)}.knockback-flashcard-choice:disabled{opacity:.5;cursor:not-allowed}.knockback-flashcard-result{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px;border-radius:10px;animation:popIn .3s ease-out}.knockback-flashcard-result.correct{background:#4ade8033;border:2px solid #4ade80}.knockback-flashcard-result.wrong{background:#ff6b6b33;border:2px solid #ff6b6b}.knockback-result-icon .icon{display:inline-flex}.knockback-flashcard-result.correct .knockback-result-icon{color:#4ade80}.knockback-flashcard-result.wrong .knockback-result-icon{color:#ff6b6b}.knockback-result-text{font-family:var(--font-family-ui);font-size:16px;font-weight:700;color:#fff}.knockback-result-answer{font-size:12px;color:var(--game-text-secondary);text-align:center}.knockback-lobby{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px;width:100%;max-width:600px;margin:0 auto}.knockback-lobby-title{font-family:var(--font-family-title);font-size:32px;color:var(--game-accent-gold);text-shadow:0 2px 8px rgba(var(--game-accent-gold-rgb),.3);margin:0}.knockback-lobby-subtitle{color:var(--game-text-secondary);font-size:14px;margin:0}.knockback-lobby-selector{width:100%;max-height:250px;overflow-y:auto}.knockback-lobby-players{width:100%}.knockback-lobby-player{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:rgba(var(--game-border-rgb),.2);border:1px solid rgba(var(--game-border-rgb),.3);border-radius:8px;margin-bottom:6px;transition:all .2s}.knockback-lobby-player.ready{background:#4ade8026;border-color:#4ade8066}.knockback-lobby-player-name{color:#fff;font-weight:600}.knockback-lobby-player-status{color:var(--game-text-secondary);font-size:13px;display:inline-flex;align-items:center;gap:4px}.knockback-lobby-player.ready .knockback-lobby-player-status{color:#4ade80}.knockback-lobby-hint{color:var(--game-text-secondary);font-size:12px;opacity:.6;margin:0}.knockback-lobby-leaderboard{margin-top:4px}.knockback-lobby-leaderboard .knockback-persistent-leaderboard{max-width:100%}.knockback-lobby-character-row{display:flex;align-items:center;justify-content:center;gap:16px;margin:8px 0 12px}.knockback-lobby-character-row canvas{background:#0000004d;border:2px solid var(--game-border);border-radius:12px}.knockback-btn-customize{background:linear-gradient(135deg,var(--game-border) 0%,#4a2c7a 100%);border-color:#8b6cc4;color:#fff;padding:10px 20px;font-size:14px;border-radius:10px;transition:all .2s}.knockback-btn-customize:hover{background:linear-gradient(135deg,#8b6cc4 0%,var(--game-border) 100%);border-color:var(--game-accent-gold);color:var(--game-accent-gold);transform:translateY(-2px);box-shadow:0 4px 12px rgba(var(--game-border-rgb),.5)}.knockback-gameover{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:40px;width:100%;max-width:600px;margin:0 auto}.knockback-gameover.winner .knockback-gameover-title{color:var(--game-accent-gold);text-shadow:0 0 20px rgba(var(--game-accent-gold-rgb),.5)}.knockback-gameover-title{font-family:var(--font-family-title);font-size:36px;color:var(--game-text-secondary);margin:0}.knockback-gameover-winner{color:#fff;font-size:18px;margin:0}.knockback-gameover-results{width:100%}.knockback-gameover-row{display:flex;align-items:center;gap:10px;padding:10px 14px;background:rgba(var(--game-border-rgb),.2);border-radius:8px;margin-bottom:6px;color:var(--game-text-secondary)}.knockback-gameover-row.self{background:rgba(var(--game-accent-gold-rgb),.15);border:1px solid rgba(var(--game-accent-gold-rgb),.4)}.knockback-gameover-rank{color:var(--game-accent-gold);font-weight:700;min-width:30px}.knockback-gameover-name{flex:1;color:#fff}.knockback-gameover-score{color:#4ade80;font-weight:700}.knockback-gameover-stats{color:var(--game-text-secondary);font-size:12px}@keyframes knockback-shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.knockback-controls-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#000000a6;z-index:20;transition:opacity .3s ease;pointer-events:auto}.knockback-controls-inner{background:linear-gradient(135deg,var(--game-bg-deep) 0%,var(--game-bg-dark) 100%);border:2px solid var(--game-border);border-radius:16px;padding:24px 32px;text-align:center;box-shadow:0 0 30px rgba(var(--game-border-rgb),.4);animation:popIn .3s ease forwards;max-width:380px}.knockback-controls-title{font-family:var(--font-family-title);font-size:22px;color:var(--game-accent-gold);margin-bottom:16px;text-shadow:0 2px 4px rgba(0,0,0,.5)}.knockback-controls-row{display:flex;align-items:center;justify-content:center;gap:6px;margin-bottom:10px;flex-wrap:wrap}.knockback-key{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:30px;padding:0 8px;background:linear-gradient(180deg,#3a2660 0%,var(--game-bg-deep) 100%);border:1.5px solid #8b6cc4;border-radius:6px;color:#fff;font-family:var(--font-family-ui);font-size:13px;font-weight:700;box-shadow:0 2px 0 var(--game-bg-dark)}.knockback-controls-label{color:var(--game-text-secondary);font-family:var(--font-family-ui);font-size:13px;margin:0 2px}.knockback-controls-hint{color:var(--game-accent-gold);font-family:var(--font-family-ui);font-size:12px;margin:14px 0 12px;opacity:.9}.knockback-controls-dismiss{background:linear-gradient(180deg,var(--game-border) 0%,#4a2d7a 100%);border:1.5px solid #8b6cc4;border-radius:8px;color:#fff;font-family:var(--font-family-ui);font-size:14px;font-weight:600;padding:8px 28px;cursor:pointer;transition:all .15s ease}.knockback-controls-dismiss:hover{background:linear-gradient(180deg,#8b6cc4 0%,var(--game-border) 100%);transform:translateY(-1px);box-shadow:0 3px 8px rgba(var(--game-border-rgb),.5)}@media (max-width: 768px),(pointer: coarse){.knockback-header{padding:4px 10px}.knockback-title{font-size:16px}.knockback-timer{font-size:14px;padding:2px 6px}.knockback-sidebar{width:220px}.knockback-game-area{padding-bottom:0}#knockback-canvas{max-height:calc(100% - 10px)}.knockback-controls-overlay{bottom:140px}}@media (max-width: 560px){.knockback-sidebar{display:none!important}.knockback-header-center{display:none}}.knockback-theme-section{margin-top:12px;padding:10px 14px;background:rgba(var(--game-border-rgb),.1);border:1px solid rgba(var(--game-border-rgb),.3);border-radius:10px}.knockback-theme-section__header{display:flex;align-items:center;gap:6px;font-family:var(--font-family-ui);font-size:13px;font-weight:600;color:var(--game-text-secondary);margin-bottom:8px}.knockback-theme-options{display:flex;flex-wrap:wrap;gap:6px}.knockback-theme-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;border-radius:8px;cursor:pointer;color:#fff;font-family:var(--font-family-ui);font-size:12px;transition:all .2s ease}.knockback-theme-btn:hover{transform:translateY(-1px);filter:brightness(1.15)}.knockback-theme-btn--selected{transform:scale(1.02);filter:brightness(1.1)}