*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0a0e17;--card:#131a2b;--card2:#1a2340;--accent:#00ff88;--accent2:#00ccff;--danger:#ff4466;--text:#e0e6f0;--dim:#6b7a99;--gold:#ffd700;--border:#1e2d4a;--safe-top:env(safe-area-inset-top,0px);--safe-bottom:env(safe-area-inset-bottom,0px)}
html,body{height:100%;overflow:hidden;font-family:'Courier New',monospace;background:var(--bg);color:var(--text)}
#matrix-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;opacity:.12}
.hidden{display:none!important}
.screen{position:fixed;top:0;left:0;width:100%;height:100%;z-index:10;display:none;flex-direction:column;overflow-y:auto;-webkit-overflow-scrolling:touch}
.screen.active{display:flex}

/* Buttons */
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#000;border:none;padding:12px 28px;border-radius:8px;font-size:16px;font-weight:700;cursor:pointer;font-family:inherit;transition:all .2s;text-shadow:none}
.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 15px rgba(0,255,136,.3)}
.btn-primary:active{transform:scale(.95);opacity:.9}
.btn-secondary{background:transparent;color:var(--accent);border:1px solid var(--accent);padding:10px 24px;border-radius:8px;font-size:14px;cursor:pointer;font-family:inherit;transition:all .2s}
.btn-secondary:hover{background:rgba(0,255,136,.08)}
.btn-secondary:active{background:rgba(0,255,136,.1)}

/* Stats bar */
#stats-bar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:center;gap:16px;padding:8px 12px;padding-top:calc(8px + var(--safe-top));background:rgba(10,14,23,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.stat{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:700}
.stat span:last-child{min-width:28px;text-align:center;color:var(--accent)}
.stage-label{font-size:12px;color:var(--dim);margin-left:8px;padding:2px 8px;border:1px solid var(--border);border-radius:4px}

/* Start screen */
#screen-start{justify-content:center;align-items:center;text-align:center;padding:20px;padding-bottom:calc(20px + var(--safe-bottom))}
.start-content{width:100%;max-width:400px;display:flex;flex-direction:column;align-items:center}
.lobster-hero{font-size:80px;animation:float 3s ease-in-out infinite;filter:drop-shadow(0 0 20px rgba(0,255,136,.4))}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-15px)}}
#screen-start h1{font-size:28px;margin:16px 0 8px;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.subtitle{color:var(--dim);font-size:14px;margin-bottom:24px}
.start-form{display:flex;flex-direction:column;gap:12px;width:100%;max-width:300px}
.start-form input{background:var(--card);border:1px solid var(--border);color:var(--text);padding:12px 16px;border-radius:8px;font-size:16px;font-family:inherit;text-align:center;outline:none;-webkit-appearance:none}
.start-form input:focus{border-color:var(--accent);box-shadow:0 0 10px rgba(0,255,136,.2)}
.start-footer{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px 20px;justify-content:center}
.link{color:var(--accent2);font-size:13px;cursor:pointer;text-decoration:underline;transition:opacity .2s}
.link:hover{opacity:.8}

/* Game screen */
#screen-game{padding-top:calc(44px + var(--safe-top));padding-bottom:var(--safe-bottom);background:var(--bg)}
#screen-molt{background:var(--bg)}
#screen-ending{background:var(--bg)}
#screen-random{background:rgba(10,14,23,.85)}
#screen-random .random-card{position:relative;z-index:2}
#scene-area{text-align:center;padding:8px 0 4px;flex-shrink:0}
#scene-lobster{font-size:36px;animation:float 3s ease-in-out infinite}
#story-box{padding:8px 16px;flex-shrink:0;cursor:pointer}
#story-title{font-size:18px;font-weight:700;color:var(--accent);margin-bottom:8px}
#story-text{font-size:14px;line-height:1.8;color:var(--text);white-space:pre-wrap;min-height:60px}
#ai-hint{margin-top:10px;padding:8px 12px;background:rgba(0,204,255,.08);border:1px solid rgba(0,204,255,.2);border-radius:6px;font-size:13px}
.ai-badge{background:var(--accent2);color:#000;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:700;margin-right:6px}

/* Choices */
#choices-area{padding:8px 16px 20px;padding-bottom:calc(20px + var(--safe-bottom));display:flex;flex-direction:column;gap:10px}
.choice-btn{background:var(--card);border:1px solid var(--border);color:var(--text);padding:14px 16px;border-radius:8px;font-size:14px;text-align:left;cursor:pointer;font-family:inherit;transition:all .2s;line-height:1.5;position:relative}
.choice-btn:hover{border-color:var(--accent2);background:var(--card2)}
.choice-btn:active{background:var(--card2);border-color:var(--accent);transform:scale(.98)}
.choice-btn .choice-key{color:var(--accent);font-weight:700;margin-right:6px}
.choice-btn .choice-effects{color:var(--dim);font-size:12px;margin-top:4px;display:block}
.choice-btn.selected{border-color:var(--accent);background:rgba(0,255,136,.1);pointer-events:none}

/* Feedback */
#feedback-box{padding:16px;margin:0 16px 20px;margin-bottom:calc(20px + var(--safe-bottom));background:var(--card);border:1px solid var(--border);border-radius:8px}
#feedback-text{font-size:14px;line-height:1.7;margin-bottom:12px;color:var(--text);white-space:pre-wrap}
#stat-changes{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.stat-change{font-size:13px;font-weight:700;padding:4px 8px;border-radius:4px}
.stat-change.positive{color:var(--accent);background:rgba(0,255,136,.1)}
.stat-change.negative{color:var(--danger);background:rgba(255,68,102,.1)}
#choice-stats{font-size:12px;color:var(--dim);margin-bottom:12px}
.choice-stat-bar{display:flex;align-items:center;gap:8px;margin:4px 0}
.choice-stat-bar .bar{flex:1;height:6px;background:var(--card2);border-radius:3px;overflow:hidden}
.choice-stat-bar .bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .6s}
.choice-stat-bar .pct{min-width:36px;text-align:right}

/* Molt */
#screen-molt{justify-content:center;align-items:center;text-align:center;padding:20px;padding-bottom:calc(20px + var(--safe-bottom))}
.molt-section{width:100%;max-width:440px}
.molt-lobster{font-size:64px;animation:molt-glow 2s ease-in-out infinite}
@keyframes molt-glow{0%,100%{filter:drop-shadow(0 0 10px rgba(0,255,136,.3))}50%{filter:drop-shadow(0 0 30px rgba(0,255,136,.8))}}
#screen-molt h2{font-size:22px;color:var(--accent);margin:12px 0}
#screen-molt p{white-space:pre-wrap;line-height:1.7;font-size:14px;text-align:left;max-width:380px;margin:0 auto}
#molt-progress{font-size:13px;color:var(--dim);margin-bottom:16px}
#molt-question{font-size:16px;line-height:1.6;margin-bottom:16px;padding:12px;background:var(--card);border-radius:8px}
#molt-options{display:flex;flex-direction:column;gap:10px}
.molt-opt{background:var(--card);border:1px solid var(--border);color:var(--text);padding:12px 16px;border-radius:8px;font-size:14px;cursor:pointer;font-family:inherit;text-align:left;transition:all .2s}
.molt-opt:hover{border-color:var(--accent2);background:var(--card2)}
.molt-opt:active{transform:scale(.98)}
.molt-opt.correct{border-color:var(--accent);background:rgba(0,255,136,.1);color:var(--accent)}
.molt-opt.wrong{border-color:var(--danger);background:rgba(255,68,102,.1);color:var(--danger)}
#molt-result-icon{font-size:64px;margin-bottom:12px}
#molt-result-text{font-size:18px;margin-bottom:8px}
#molt-result-bonus{font-size:14px;color:var(--accent);margin-bottom:20px}

/* Ending */
#screen-ending{justify-content:center;align-items:center;padding:20px;padding-bottom:calc(20px + var(--safe-bottom))}
.ending-card{text-align:center;max-width:440px;width:100%}
#ending-icon{font-size:80px;margin-bottom:12px;animation:float 3s ease-in-out infinite}
#ending-name{font-size:28px;background:linear-gradient(135deg,var(--gold),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:12px}
#ending-desc{font-size:14px;color:var(--dim);line-height:1.7;margin-bottom:20px}
#ending-stats{display:flex;justify-content:center;gap:20px;margin-bottom:16px}
#ending-stats .stat-final{text-align:center}
#ending-stats .stat-final .val{font-size:24px;font-weight:700;color:var(--accent)}
#ending-stats .stat-final .label{font-size:12px;color:var(--dim)}
#ending-journey{font-size:12px;color:var(--dim);margin-bottom:20px;max-height:120px;overflow-y:auto;text-align:left;padding:8px;background:var(--card);border-radius:6px}
.ending-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Modals */
.modal-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin:auto;max-width:440px;width:calc(100% - 32px);max-height:80vh;overflow-y:auto}
.modal-card h2{text-align:center;color:var(--accent);margin-bottom:16px;font-size:20px}
.random-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:24px;margin:auto;max-width:400px;width:calc(100% - 32px);text-align:center}
#random-icon{font-size:48px;margin-bottom:12px}
#random-text{font-size:15px;line-height:1.7;margin-bottom:12px}
#random-feedback{font-size:13px;color:var(--dim);margin-bottom:12px;line-height:1.6}
#random-effects{margin-bottom:16px}

/* Leaderboard */
.rank-row{display:flex;align-items:center;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}
.rank-row .rank-num{width:30px;font-weight:700;color:var(--gold)}
.rank-row .rank-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rank-row .rank-score{color:var(--accent);font-weight:700}

/* Achievements */
.ach-item{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.ach-item.locked{opacity:.4}
.ach-icon{font-size:24px;width:36px;text-align:center;flex-shrink:0}
.ach-info{flex:1;min-width:0}
.ach-name{font-size:14px;font-weight:700}
.ach-desc{font-size:12px;color:var(--dim)}

/* Float effects */
#float-effects{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:200}
.float-num{position:absolute;font-size:18px;font-weight:700;animation:floatUp 1.2s ease-out forwards;pointer-events:none}
@keyframes floatUp{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(-60px)}}

/* Achievement toast */
#achievement-toast{position:fixed;top:56px;top:calc(56px + var(--safe-top));left:50%;transform:translateX(-50%);background:var(--card);border:1px solid var(--gold);border-radius:8px;padding:10px 20px;z-index:300;animation:toastIn .4s ease-out;font-size:14px;white-space:nowrap;max-width:calc(100% - 32px);overflow:hidden;text-overflow:ellipsis}
@keyframes toastIn{0%{opacity:0;transform:translateX(-50%) translateY(-20px)}100%{opacity:1;transform:translateX(-50%) translateY(0)}}

/* Daily */
#daily-content{text-align:center}
.daily-event{padding:12px;background:var(--card2);border-radius:8px;margin-bottom:12px;font-size:14px;line-height:1.7}

/* ===== RESPONSIVE: Small phones (≤360px) ===== */
@media(max-width:360px){
  .lobster-hero{font-size:60px}
  #screen-start h1{font-size:22px}
  .start-footer{gap:8px 14px}
  .link{font-size:12px}
  #stats-bar{gap:10px;padding:6px 8px;padding-top:calc(6px + var(--safe-top))}
  .stat{font-size:12px}
  .stage-label{font-size:11px}
  #story-title{font-size:16px}
  #story-text{font-size:13px}
  .choice-btn{padding:12px;font-size:13px}
  #ending-name{font-size:22px}
  #ending-icon{font-size:60px}
}

/* ===== RESPONSIVE: Tablets & small desktops (≥600px) ===== */
@media(min-width:600px){
  #screen-game{max-width:600px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border)}
  #screen-molt .molt-section{max-width:500px}
  .ending-card{max-width:500px}
  .modal-card{max-width:500px}
  .random-card{max-width:440px}
  #story-text{font-size:15px}
  .choice-btn{font-size:15px;padding:16px}
  .choice-btn:hover{border-color:var(--accent2);background:var(--card2);transform:translateX(4px)}
  .molt-opt:hover{border-color:var(--accent2);background:var(--card2);transform:translateX(4px)}
}

/* ===== RESPONSIVE: Desktop (≥900px) ===== */
@media(min-width:900px){
  #screen-start{padding:40px}
  .lobster-hero{font-size:100px}
  #screen-start h1{font-size:36px}
  .subtitle{font-size:16px}
  .start-form{max-width:360px}
  .start-form input{padding:14px 20px;font-size:17px}
  .btn-primary{padding:14px 32px;font-size:17px}
  #screen-game{max-width:680px;margin:0 auto;border-left:1px solid var(--border);border-right:1px solid var(--border)}
  #story-title{font-size:20px}
  #story-text{font-size:15px;line-height:1.9}
  .choice-btn{padding:16px 20px;font-size:15px}
  #screen-molt .molt-section{max-width:560px}
  #molt-question{font-size:17px;padding:16px}
  .molt-opt{padding:14px 18px;font-size:15px}
  .ending-card{max-width:560px}
  #ending-name{font-size:32px}
  #ending-desc{font-size:15px}
  .modal-card{max-width:560px;padding:24px}
}

/* ===== RESPONSIVE: Large desktop (≥1200px) ===== */
@media(min-width:1200px){
  #screen-game{max-width:720px;box-shadow:0 0 40px rgba(0,255,136,.05)}
  .lobster-hero{font-size:120px}
  #screen-start h1{font-size:40px}
}