@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@400;500;600;700&family=Press+Start+2P&display=swap');
:root{--ink:#1a1c2c;--deep:#0f1020;--panel:#f4f1e4;--panel2:#e3dcc3;--blue:#3b5dc9;--sky:#41a6f6;--gold:#ffcd75;--green:#38b764;--red:#b13e53;--dim:#566c86;--px:'Press Start 2P',monospace}
*{box-sizing:border-box}
body{margin:0;background:#20233a;background-image:linear-gradient(45deg,#1c1f34 25%,transparent 25%,transparent 75%,#1c1f34 75%),linear-gradient(45deg,#1c1f34 25%,transparent 25%,transparent 75%,#1c1f34 75%);background-size:16px 16px;background-position:0 0,8px 8px;color:var(--ink);font-family:Prompt,system-ui,sans-serif;min-height:100vh}
button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}.hidden{display:none!important}
canvas{image-rendering:pixelated;image-rendering:crisp-edges}

/* กรอบหน้าต่างแบบพิกเซล */
.win{background:var(--panel);border:4px solid var(--ink);box-shadow:inset 0 0 0 3px #fffbe8,6px 6px 0 #0b0c18}
.screen{border:6px solid var(--ink);box-shadow:0 0 0 3px #f4f1e4,0 0 0 6px var(--ink),8px 8px 0 6px #0b0c18;background:#000}
.px-btn{display:block;width:100%;border:3px solid var(--ink);background:var(--panel2);color:var(--ink);padding:12px 14px;font-weight:700;box-shadow:0 4px 0 var(--ink);margin-top:10px}
.px-btn:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--ink)}
.px-btn.primary{background:var(--gold)}.px-btn.dark{background:var(--blue);color:#fff;white-space:nowrap;margin-top:0;width:auto}
.eyebrow{display:block;color:var(--blue);font:700 11px Prompt,var(--px);letter-spacing:.08em;line-height:1.6}

.topbar{height:68px;background:var(--deep);border-bottom:4px solid var(--gold);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:12px}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{background:var(--gold);color:var(--ink);font:400 14px var(--px);padding:10px 9px;border:3px solid #fff;box-shadow:3px 3px 0 #000}
.brand strong{display:block;font:400 13px var(--px);letter-spacing:.04em}.brand small{display:block;color:#9fb2d4;font-size:11px;margin-top:5px}
.top-actions{display:flex;align-items:center;gap:14px}.save-status{color:#9fd0ff;font-size:12px}
.icon-btn{border:3px solid #fff;background:var(--blue);color:#fff;width:34px;height:34px;font:400 12px var(--px);box-shadow:3px 3px 0 #000}

.start-screen{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);align-items:center;gap:48px;max-width:1180px;margin:auto;padding:40px 30px}
.start-copy .eyebrow{color:var(--gold)}.start-copy h1{font-size:clamp(34px,4.6vw,60px);line-height:1.2;margin:14px 0 14px;color:#fff;text-shadow:4px 4px 0 #000}.start-copy h1 em{font-style:normal;color:var(--gold)}
.start-copy p{max-width:520px;color:#c6d2ec;font-size:16px;line-height:1.8;margin:0 0 22px}
.hero-frame{aspect-ratio:8/5;max-width:560px}.hero-frame canvas{width:100%;height:100%;display:block}
.start-stats{display:flex;gap:34px;margin-top:30px;color:#fff}.start-stats span{font:400 22px var(--px)}.start-stats small{display:block;font:500 12px Prompt;color:#9fb2d4;margin-top:6px}
.start-card{padding:26px}.card-label{font-weight:700;font-size:22px;margin-bottom:18px}
.start-card label,.field-label{display:block;font-weight:600;font-size:13px;margin:12px 0 8px}
.start-card input{width:100%;border:3px solid var(--ink);background:#fff;padding:12px;outline:none}.start-card input:focus{background:#fffbe0}
.avatar-choices{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:6px 0 20px}
.avatar-choice{padding:8px 2px 6px;border:3px solid var(--ink);background:#fff;text-align:center}.avatar-choice.selected{background:var(--gold);box-shadow:0 3px 0 var(--ink)}
.avatar-choice canvas{width:44px;height:auto;display:block;margin:0 auto}.avatar-choice small{display:block;font-size:11px;margin-top:3px}
.start-note{font-size:11px;line-height:1.7;color:#5a6479;margin:16px 0 0}

.game-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:22px;padding:22px;max-width:1500px;margin:auto}
.sidebar{display:flex;flex-direction:column;padding:20px 14px;align-self:start}
.profile{display:flex;align-items:center;gap:12px;padding:0 6px 16px;border-bottom:3px dashed var(--panel2)}
.profile-avatar{width:48px;height:auto;background:#9ed0ff;border:3px solid var(--ink)}
.profile strong,.profile small{display:block}.profile strong{font-size:14px}.profile small{font-size:11px;color:var(--dim)}
.level-wrap{padding:14px 6px 8px;font-size:12px}.level-wrap strong{font:400 14px var(--px)}.level-wrap small{color:var(--dim);font-size:11px}
.level-track,.progress-track{height:12px;background:#fff;border:3px solid var(--ink);margin:7px 0 3px;overflow:hidden}.level-track i,.progress-track i{display:block;height:100%;width:0;background:var(--green);transition:width .3s}
.side-heading{font-size:12px;color:var(--dim);padding:12px 6px 5px;margin:0}
.map-nav{display:grid;gap:5px}
.map-link{border:3px solid transparent;background:transparent;text-align:left;padding:7px 8px;display:flex;gap:9px;align-items:center;color:#3a4560;font-size:12px;width:100%}
.map-link.active{border-color:var(--ink);background:var(--gold);font-weight:700}.map-link.locked{color:#9aa5b4}
.map-link .num{min-width:26px;height:26px;background:#fff;border:2px solid var(--ink);display:grid;place-items:center;font:400 9px var(--px)}
.map-link.done .num{background:var(--green);color:#fff}
.sidebar-bottom{margin-top:16px;display:grid;gap:6px}
.utility-btn{border:3px solid var(--ink);background:#fff;color:var(--ink);padding:9px;text-align:left;font-size:12px;font-weight:600;box-shadow:0 3px 0 var(--ink)}.utility-btn:hover{background:#fffbe0}.import-label{cursor:pointer}

.main{min-width:0}
.map-header{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
.map-header h1{font-size:clamp(24px,3vw,36px);margin:6px 0;line-height:1.3;color:#fff;text-shadow:3px 3px 0 #000}.map-header p{margin:0;color:#c6d2ec;font-size:13px}
.map-header .eyebrow{color:var(--gold)}
.map-progress{width:150px;flex:none;font-size:12px;color:#c6d2ec;text-align:right}
.world{position:relative;aspect-ratio:8/5;width:100%;outline:none;overflow:hidden}
.world:focus{border-color:var(--blue)}
.world #scene{width:100%;height:100%;display:block}
.npc-layer{position:absolute;inset:0;pointer-events:none}
.npc{position:absolute;pointer-events:auto;background:transparent;border:0;padding:0}
.npc:focus-visible{outline:3px solid var(--gold)}
.npc-label{position:absolute;top:100%;left:50%;transform:translateX(-50%);margin-top:3px;background:var(--ink);color:#fff;font-size:11px;font-weight:600;padding:3px 8px;white-space:nowrap;border:2px solid #fff}
.npc.complete .npc-label{background:#217b59}
.map-tip{position:absolute;bottom:8px;left:8px;background:#0f1020d8;color:#fff;padding:5px 9px;font-size:10px;pointer-events:none}
.mission-panel{padding:16px 20px;margin-top:22px;display:flex;gap:20px;align-items:center;justify-content:space-between}
.mission-panel h2{margin:6px 0 3px;font-size:17px}.mission-panel p{font-size:13px;color:#4d5d75;margin:0}
.mobile-controls{display:none}

.modal-root{position:fixed;inset:0;background:#0b1629c8;display:grid;place-items:center;padding:18px;z-index:20}
.modal{background:var(--panel);border:4px solid var(--ink);box-shadow:inset 0 0 0 3px #fffbe8,8px 8px 0 #000;width:min(560px,100%);max-height:min(90vh,800px);overflow:auto;padding:24px}
.modal-top{display:flex;justify-content:space-between;align-items:start;gap:15px}.modal h2{margin:7px 0 9px;line-height:1.35;font-size:20px}
.modal p{line-height:1.8;color:#3d4a62;font-size:14px}
.close-btn{border:3px solid var(--ink);background:var(--red);color:#fff;width:32px;height:32px;font-size:18px;line-height:1;box-shadow:0 3px 0 var(--ink)}
.npc-face{margin:6px 0 4px;display:block}.npc-face canvas{width:72px;height:auto;display:block;background:#9ed0ff;border:3px solid var(--ink)}.npc-face.emoji{font-size:48px}
.question-box{background:#fff;border:3px solid var(--ink);padding:14px;margin:16px 0}.question-box strong{font-size:14px}
.choices{display:grid;gap:8px;margin:14px 0 0}
.choice{border:3px solid var(--ink);background:var(--panel);padding:10px 12px;text-align:left;font-size:13px;box-shadow:0 3px 0 var(--ink)}
.choice:hover,.choice:focus{background:var(--gold)}
.feedback{padding:11px;border:3px solid #8a4b17;background:#ffe6d0;color:#6a3a12;font-size:13px;line-height:1.7;margin-top:12px}
.feedback.ok{border-color:#206b4a;background:#d8f2e4;color:#17553a}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.modal-actions button{border:3px solid var(--ink);background:var(--panel2);color:var(--ink);padding:9px 14px;font-weight:700;box-shadow:0 3px 0 var(--ink)}.modal-actions .affirm{background:var(--gold)}
.quiz-count{font:400 10px var(--px);color:var(--dim)}
.journal-list{display:grid;gap:9px}.journal-item{border:3px solid var(--ink);background:#fff;padding:10px 12px}.journal-item strong,.journal-item small{display:block}.journal-item small{color:var(--dim);margin-top:3px;line-height:1.6}
.toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:#fff;border:3px solid #fff;padding:11px 16px;z-index:30;box-shadow:5px 5px 0 #000;font-size:13px}

@media(max-width:900px){
  .start-screen{grid-template-columns:1fr;gap:30px}
  .game-layout{grid-template-columns:1fr;padding:14px}.sidebar{order:2}
  .sidebar .profile,.sidebar .level-wrap,.sidebar .side-heading{display:none}
  .map-nav{grid-template-columns:repeat(4,1fr)}.map-link{font-size:10px;padding:6px}.map-link .num{display:none}
  .sidebar-bottom{display:flex;flex-wrap:wrap}.utility-btn{flex:1}
}
@media(max-width:620px){
  .topbar{padding:0 14px;height:60px}.brand strong{font-size:10px}.brand small{font-size:10px}.save-status{font-size:10px}
  .start-screen{padding:22px 16px}.start-copy h1{font-size:34px}.start-copy p{font-size:14px}.start-card{padding:18px}
  .game-layout{padding:10px}.map-header{display:block}.map-header p{line-height:1.6}.map-progress{width:100%;text-align:left;margin-top:10px}
  .npc-label{font-size:9px;padding:2px 5px}.map-tip{font-size:9px;right:8px}
  .mission-panel{display:block}.px-btn.dark{margin-top:12px;width:100%}.map-nav{grid-template-columns:repeat(2,1fr)}
  .mobile-controls{display:block;text-align:center;margin-top:12px}
  .mobile-controls button{width:46px;height:40px;margin:2px;border:3px solid var(--ink);background:var(--panel);color:var(--ink);box-shadow:0 3px 0 var(--ink);touch-action:none}
}

/* ---------- หน้าจอต่อสู้ ---------- */
.battle-root{position:fixed;inset:0;background:#0b1629e8;display:grid;place-items:center;padding:14px;z-index:25;overflow:auto}
.battle{width:min(720px,100%);padding:16px 18px 18px}
.battle-top{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:start;margin-bottom:12px}
.battle-top .who b{display:block;font-size:14px;margin-bottom:5px}.battle-top .who.right{text-align:right}
.vs{font:400 14px var(--px);color:var(--red);align-self:center}
.hearts{font-size:22px;letter-spacing:2px;line-height:1}.hearts .on{color:var(--red)}.hearts .off{color:#c9c2b0}
.hp{height:14px;background:#fff;border:3px solid var(--ink);overflow:hidden;margin-left:auto;max-width:200px}.hp i{display:block;height:100%;width:100%;background:var(--red);transition:width .4s}
.who small{display:block;font-size:11px;color:var(--dim);margin-top:3px}
.arena-wrap{position:relative;aspect-ratio:200/96;margin-bottom:14px}
.arena{width:100%;height:100%;display:block}
.choice.gone{opacity:.25;text-decoration:line-through}
.hp.me{margin-left:0}.hp.me i{background:var(--green)}.hp.me.low i{background:var(--red)}
.ping-row{display:flex;align-items:center;gap:10px;margin:28px 0 8px;position:relative;z-index:1;font:400 10px var(--px)}
.ping-bar{flex:1;height:10px;background:#fff;border:3px solid var(--ink);overflow:hidden}.ping-bar i{display:block;height:100%;width:0;background:var(--green);transition:width .1s linear}
#bPing{min-width:120px}.p-ok{color:#217b59}.p-mid{color:#b57a00}.p-bad{color:var(--red)}
.b-items{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.item-btn{border:3px solid var(--ink);background:var(--panel2);padding:6px 10px;font-size:13px;font-weight:700;box-shadow:0 3px 0 var(--ink)}
.item-btn:disabled{opacity:.45;box-shadow:none}
.shop-row{display:grid;grid-template-columns:34px 1fr auto;gap:10px;align-items:center;padding:8px 0;border-bottom:2px dashed #c9c2b0}
.shop-row .ic{font-size:26px;text-align:center}.shop-row small{display:block;color:var(--dim);font-size:12px}
.shop-row button{border:3px solid var(--ink);background:var(--gold);padding:6px 10px;font-weight:700}.shop-row button:disabled{opacity:.45}
.uptime{display:block;margin-top:6px;font-size:12px;color:#4d5d75}
.stars{color:#e0a800;font-size:11px;margin-left:auto;letter-spacing:1px}
.combo{position:absolute;top:8px;left:50%;transform:translateX(-50%);font:400 14px var(--px);color:var(--gold);text-shadow:2px 2px 0 #000}
.qtype{font:700 11px Prompt;color:var(--blue);margin-bottom:5px;letter-spacing:.05em}
.question-box>strong{display:block;font-size:15px;line-height:1.55}
.qbody{margin-top:12px}
.choice.right{background:#a8e6bc}.choice.wrong{background:#f6b3bc}
.choice:disabled{cursor:default;opacity:1}
.chip{border:3px solid var(--ink);background:var(--panel);padding:8px 11px;font-size:13px;box-shadow:0 3px 0 var(--ink);margin:0 6px 8px 0;text-align:left}
.chip:hover{background:var(--gold)}.chip i{display:inline-grid;place-items:center;width:18px;height:18px;background:var(--ink);color:#fff;font:400 8px var(--px);margin-right:7px}
.chip.placed{background:#fff}.chip.right{background:#a8e6bc}.chip.wrong{background:#f6b3bc}
.o-line{min-height:48px;border:3px dashed var(--dim);padding:7px 7px 0;margin-bottom:10px;background:#fff}.o-empty{color:var(--dim);font-size:12px;line-height:30px}
.m-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.m-col{display:grid;gap:8px;align-content:start}.m-col .chip{margin:0;width:100%}
.chip.sel{outline:3px solid var(--blue);background:#dfe8ff}
.pc0{background:#ffd6a8}.pc1{background:#c9e8ff}.pc2{background:#d8f2c4}.pc3{background:#f4cdf0}
.check-btn{display:block;margin:12px 0 0 auto;border:3px solid var(--ink);background:var(--gold);padding:9px 16px;font-weight:700;box-shadow:0 3px 0 var(--ink)}
.check-btn:disabled{background:var(--panel2);opacity:.6}
#bFeedback .feedback{margin-top:10px}
.b-actions{display:flex;justify-content:space-between;gap:10px;margin-top:14px}
.b-quit,.b-next{border:3px solid var(--ink);padding:10px 16px;font-weight:700;box-shadow:0 3px 0 var(--ink)}
.b-quit{background:var(--panel2)}.b-next{background:var(--gold);margin-left:auto}
.result{text-align:center;padding:14px 8px}.result .big{font-size:26px;font-weight:700;margin-bottom:6px}.result .xp{font:400 16px var(--px);color:var(--green)}
.miss-list{text-align:left;margin:12px auto 0;max-width:560px;font-size:13px;line-height:1.7;padding-left:20px}
.lesson-text{background:#fff;border:3px solid var(--ink);padding:14px;line-height:1.85;font-size:14px;margin:10px 0}
.npc.mon{cursor:pointer}.npc.mon:hover{outline:3px solid var(--gold);outline-offset:-2px}
@media(max-width:620px){.battle{padding:12px}.m-grid{gap:8px}.chip{font-size:12px;padding:7px 8px}.battle-top .who b{font-size:12px}}

/* ---------- โลกใหญ่ ---------- */
.world .labels{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.minimap{position:absolute;top:8px;right:8px;width:140px;height:auto;image-rendering:pixelated;border:3px solid var(--ink);box-shadow:0 0 0 2px #f4f1e4;background:#000;pointer-events:none}
.zone-banner{position:absolute;top:12%;left:50%;transform:translate(-50%,-10px);background:#0f1020e6;color:#ffcd75;border:3px solid #fff;padding:7px 18px;font-weight:700;font-size:15px;letter-spacing:.04em;opacity:0;transition:opacity .4s,transform .4s;pointer-events:none;white-space:nowrap}
.zone-banner.show{opacity:1;transform:translate(-50%,0)}
.coin-line{margin-top:8px;font-size:12px}.coin-line strong{font:400 12px var(--px)}
.term-text{background:#0f2a22;color:#5aff9a;font:500 14px/1.9 "Courier New",monospace,Prompt;padding:14px;border:3px solid var(--ink);min-height:70px}
.term-text .cursor{animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.act-btn{display:none}
@media(max-width:620px){
  .minimap{width:100px;top:6px;right:6px}.zone-banner{font-size:12px;padding:5px 10px}
  .mobile-controls{display:flex;flex-direction:column;align-items:center}
  .mobile-controls>[data-move=up]{order:-1}.act-btn{display:block;position:absolute;right:10px;bottom:-4px;width:56px;height:56px;border-radius:50%;background:var(--gold)!important;font:400 14px var(--px)}
  .play-area{position:relative}
}
/* แล็บเครือข่าย */
.modal.lab{width:min(640px,100%)}
.lab-tools{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.lab-tools button{border:3px solid var(--ink);background:var(--panel2);padding:6px 9px;font-size:13px;font-weight:700;box-shadow:0 3px 0 var(--ink)}
.lab-tools button.on{background:var(--gold)}
.lab-board{position:relative;aspect-ratio:8/5;border:4px solid var(--ink);background:#d9e6d6;background-image:linear-gradient(#0000001a 1px,transparent 1px),linear-gradient(90deg,#0000001a 1px,transparent 1px);background-size:12.5% 20%}
.lab-grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(5,1fr);z-index:2}
.lab-wires{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.lab-wires line{stroke:#2a3a6b;stroke-width:3;vector-effect:non-scaling-stroke;stroke-linecap:round}
.lab-cell{border:0;background:transparent;padding:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;min-width:0}
.lab-cell:hover{background:#ffffff55}
.lab-cell.dev{background:#fffbe8;border:2px solid var(--ink);margin:3px}
.lab-cell.sw{background:#dff0ff}.lab-cell.sel{outline:3px solid var(--gold);outline-offset:1px}.lab-cell.first{outline:3px dashed var(--red)}
.lab-cell .ic{font-size:clamp(16px,4.4vw,26px)}.lab-cell small{font-size:clamp(7px,1.9vw,10px);max-width:100%;overflow:hidden;white-space:nowrap}.lab-cell .ip{color:#2a5a9a}
.lab-panel{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0;font-size:13px}
.lab-panel input{border:3px solid var(--ink);padding:5px 8px;width:160px}.lab-panel button{border:3px solid var(--ink);background:var(--gold);padding:5px 10px;font-weight:700}
.lab-log{min-height:120px;max-height:160px;overflow:auto;font-size:12px;line-height:1.6}
.lab-buff{margin-top:10px;font-size:13px;line-height:1.7}.lab-buff span{display:block;color:var(--dim)}.lab-buff span.ok{color:#217b59;font-weight:700}
.lab-job{background:#fffbe8;border:3px solid var(--ink);padding:8px 10px;margin:8px 0;font-size:13px;line-height:1.7}
.lab-job button,.lab-alert button{border:3px solid var(--ink);background:var(--gold);padding:4px 10px;font-weight:700;margin-left:6px}
.lab-alert{background:#ffe3e3;border:3px solid var(--red);padding:8px 10px;margin:8px 0;font-size:13px;font-weight:700;color:#7a1a1a}
/* เล่นเต็มจอ */
.world-btns{position:absolute;top:8px;left:8px;display:flex;gap:6px;z-index:3}
.world-btns .icon-btn{width:34px;height:34px;font-size:16px;opacity:.85}
.world-hud{display:none;position:absolute;left:8px;bottom:8px;max-width:60%;background:#0f1020d8;color:#fff;padding:6px 10px;font-size:12px;line-height:1.5;pointer-events:none;z-index:3}
.world-hud b{display:block;color:#ffcd75}
body.immersive{overflow:hidden;background:#05080f}
body.immersive .topbar,body.immersive .sidebar,body.immersive .map-header,body.immersive .mission-panel,body.immersive .map-tip,body.immersive .start-screen{display:none!important}
body.immersive .game-layout{display:block;padding:0;max-width:none}
body.immersive .play-area{position:fixed;inset:0;z-index:5;display:grid;place-items:center;background:#05080f}
body.immersive .world{width:min(100vw,calc(100vh * 1.6));height:min(100vh,calc(100vw / 1.6));aspect-ratio:auto;border-width:0;box-shadow:none}
body.immersive .world-hud{display:block}
body.immersive .minimap{width:min(180px,22%)}
@media (pointer:coarse),(max-width:900px){
  body.immersive .mobile-controls{display:block;position:fixed;left:10px;bottom:10px;margin:0;z-index:6;opacity:.8}
  body.immersive .mobile-controls button{width:50px;height:44px}
  body.immersive .act-btn{display:block;position:fixed;right:16px;bottom:16px;width:64px;height:64px;border-radius:50%;background:var(--gold)!important;font:400 16px var(--px)}
  body.immersive .world-hud{max-width:42%;bottom:auto;top:48px;font-size:11px}
}
@media (pointer:coarse),(max-width:900px){body.immersive .world-hud span{display:none}body.immersive .world-hud{top:48px}}
.lab-cell.rt{background:#ffe9d6}
.shop-sub{margin:14px 0 4px;font-size:14px}
/* สถานะ อิ่ม น้ำ พลัง */
.vit{display:grid;gap:5px;margin:10px 0}
.vit-row{display:grid;grid-template-columns:62px 1fr 26px;gap:6px;align-items:center;font-size:11px}
.vit-bar{height:9px;background:#fff;border:2px solid var(--ink);overflow:hidden}.vit-bar i{display:block;height:100%;background:var(--green);transition:width .3s}
.vit-row.low .vit-bar i{background:var(--red)}.vit-row.low b{color:var(--red)}
.vit-shop{margin:6px 0 10px}
/* HUD แบบเกมจริง: ชิปสถานะด้านบน ปุ่มขวา เมนูล่าง (ตอนเล่นเต็มจอ) */
.world{--mm:140px}
body.immersive .world{--mm:clamp(120px,14vw,200px)}
.hud-top{position:absolute;top:8px;left:8px;right:calc(var(--mm) + 24px);display:flex;flex-wrap:wrap;gap:4px;z-index:3;pointer-events:none;align-content:flex-start}
.chip2{background:linear-gradient(#2b3fc0,#1a2a8c);border:2px solid #9fb2ff;box-shadow:0 0 0 2px #0a1250;color:#fff;padding:3px 8px;min-width:54px;display:flex;flex-direction:column;gap:1px;line-height:1.15}
.chip2 small{font-size:8px;color:#b9c6ff;letter-spacing:.04em}
.chip2 b{font-size:12px;white-space:nowrap}
.chip2.prof{flex-direction:row;align-items:center;gap:6px;min-width:120px}
.chip2.prof canvas{width:24px;height:auto;image-rendering:pixelated;background:#0b1450}
.chip2.prof div{display:flex;flex-direction:column}
.chip2.low b{color:#ff8a8a}
.cbar{height:4px;background:#0a1250;display:block;margin-top:2px}
.cbar i{display:block;height:100%;background:#f2c94c}
.cbar i.food{background:#ff9f40}.cbar i.water{background:#41a6f6}.cbar i.rest{background:#a06bff}.cbar i.xp{background:#ff5fa8}
.chip2.low .cbar i{background:#ff4d4d}
.hud-mission{flex:1 1 100%;background:#1a2a8ce0;border:2px solid #9fb2ff;color:#fff;font-size:11px;padding:3px 8px;line-height:1.4}
.hud-mission b{color:#ffcd75}
.world-right{position:absolute;top:8px;right:8px;display:flex;flex-direction:column;align-items:flex-end;gap:6px;z-index:3}
.world .world-right .minimap{position:static;width:var(--mm);top:auto;right:auto}
.world-right .world-btns{position:static;display:flex;flex-direction:column;gap:6px}
.world-right .world-btns .icon-btn{width:36px;height:36px;font-size:16px;background:#1a2a8c;border:2px solid #9fb2ff;color:#fff;opacity:1}
.hud-dock{display:none}
body.immersive .hud-dock{display:flex;position:absolute;bottom:8px;left:50%;transform:translateX(-50%);gap:2px;padding:4px;background:linear-gradient(#2b3fc0,#1a2a8c);border:3px solid #9fb2ff;box-shadow:0 0 0 2px #0a1250;z-index:4}
.hud-dock button{background:transparent;border:0;color:#fff;font-size:10px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 10px;min-width:58px}
.hud-dock button:hover{background:#ffffff22}
.hud-dock i{font-style:normal;font-size:18px}
@media (max-width:700px){
  body.immersive .hud-dock{bottom:70px;transform:translateX(-50%) scale(.85)}
  .hud-dock button{min-width:46px;padding:3px 6px}
}
@media (max-width:620px){
  .world{--mm:100px}
  .chip2{padding:2px 5px;min-width:0}.chip2 small{display:none}.chip2.prof{min-width:0}.chip2.prof div{display:none}
  .hud-mission{display:none}
}
@media (min-aspect-ratio:8/5){body.immersive .world{width:100vw;height:100vh}}
@media (max-width:620px){
  body:not(.immersive) .chip2:nth-child(3),body:not(.immersive) .chip2:nth-child(n+7){display:none}
  body:not(.immersive) .world-btns #zoomIn,body:not(.immersive) .world-btns #zoomOut,body:not(.immersive) .world-btns #muteBtn2{display:none}
  .world-right .world-btns .icon-btn{width:30px;height:30px}
}
/* ห้องเรียนออนไลน์ */
.join-form{display:grid;gap:8px}.join-form label{font-size:13px;font-weight:600;display:grid;gap:3px}
.join-form input[type=text],.join-form input:not([type]),.join-form input[type=password]{border:3px solid var(--ink);padding:8px 10px;width:100%}
.join-ok{display:flex!important;grid-template-columns:none;gap:8px;align-items:center}
/* ดูสด: สัญลักษณ์ที่เด็กเห็นเมื่อครูกำลังดู */
.watch-eye{position:fixed;top:8px;left:50%;transform:translateX(-50%);z-index:60;background:#b13e53;color:#fff;border:3px solid #fff;padding:5px 14px;font-weight:700;font-size:13px;box-shadow:0 3px 0 #000;pointer-events:none}
.live-opt{border:2px solid var(--ink);background:#fff;padding:3px 8px;margin:3px 0;font-size:12px}
.live-opt.good{background:#c8f0d3}.live-opt.bad{background:#f3c1c1}
/* ดวล */
.duel-emote{font-size:26px;min-height:30px;text-align:right}
.choice.picked{outline:3px solid var(--gold)}