:root{--bg: #0b1724;--bg2: #10222f;--card: #132a3a;--card2: #183447;--line: #24465c;--text: #e6f1f7;--muted: #8fb0c2;--accent: #33c3f0;--accent2: #1e9fd0;--good: #2ecc71;--warn: #f1c40f;--bad: #e74c3c;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 20% -10%,#15384f 0%,var(--bg) 60%);min-height:100vh}button{font:inherit;color:inherit}h1,h2,h3,h4{margin:0}.btn{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px 14px;cursor:pointer;transition:background .15s,transform .05s}.btn:hover:not(:disabled){background:#21445a}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent2));border-color:transparent;color:#04212f;font-weight:700}.btn.danger{background:#5a1f1f;border-color:#7a2b2b}.btn.big{padding:12px 22px;font-size:17px}.btn.small{padding:5px 10px;font-size:13px}.start{max-width:1000px;margin:0 auto;padding:28px 18px 60px}.start-hero h1{font-size:38px;margin-bottom:8px}.start-hero p{color:var(--muted);line-height:1.6;max-width:760px}.start h2{font-size:19px;margin:26px 0 12px}.field{display:flex;flex-direction:column;gap:6px;margin:10px 0;font-size:14px;color:var(--muted)}.field input,.field select,input.full{background:var(--bg2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 10px;font:inherit}input.full{width:100%}.field input[type=range]{padding:0}.species-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.species-card{text-align:left;background:var(--card);border:2px solid var(--line);border-radius:16px;padding:14px;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start;background-image:linear-gradient(180deg,rgba(51,195,240,.08),transparent 50%)}.species-card canvas{align-self:center}.species-card.active{border-color:var(--accent);box-shadow:0 0 0 3px #33c3f033}.species-name{font-size:20px;font-weight:800}.species-sci{font-style:italic;color:var(--muted);font-size:13px}.difficulty{margin:6px 0;font-weight:700}.difficulty.d1{color:var(--good)}.difficulty.d2{color:var(--warn)}.difficulty.d3{color:#ff7675}.species-card ul{padding-left:16px;margin:4px 0 0;color:var(--muted);font-size:13px;line-height:1.6}.species-desc{color:var(--muted);line-height:1.6;background:var(--card);padding:12px 14px;border-radius:12px;margin-top:14px}.pair{display:flex;gap:20px;flex-wrap:wrap}.pair-pick{background:var(--card);border-radius:14px;padding:12px 16px;display:flex;align-items:center;gap:12px}.hint{color:var(--muted);font-size:13px}.start-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.app{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#0a1622}canvas.tank{position:absolute;top:0;right:0;bottom:0;left:0;display:block;cursor:default;z-index:0}canvas.tank.hovering{cursor:pointer}canvas.tank.feeding{cursor:copy}.glass{background:#081622b8;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12)}.hud-top{position:absolute;top:10px;left:10px;right:10px;z-index:20;display:flex;align-items:center;gap:8px;pointer-events:none}.hud-top>*{pointer-events:auto}.glassy,.brand,.chip,.hud-btn,.dock-row,.pop,.float-panel{background:#081622c7;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12)}.brand{display:flex;flex-direction:column;line-height:1.2;padding:6px 14px;border-radius:14px;min-width:0}.brand b{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tag{font-size:11px;color:var(--muted)}.chip{font-size:13px;font-weight:600;padding:7px 12px;border-radius:20px;font-variant-numeric:tabular-nums;white-space:nowrap}.chip.coins{color:#ffd86b}.chip .speed{color:#ffe58a}.top-actions{display:flex;gap:6px;margin-left:auto}.hud-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:17px;cursor:pointer;transition:background .15s,transform .1s}.hud-btn:hover{background:#1d4a62f2;transform:translateY(-1px)}.hud-btn.on{background:#1d6b8cf2;border-color:var(--accent)}.float-panel{position:absolute;top:62px;bottom:130px;z-index:15;display:flex;flex-direction:column;border-radius:16px;box-shadow:0 16px 40px #0006;overflow:hidden}.float-panel.left{left:10px;width:360px}.fp-head{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-bottom:1px solid rgba(255,255,255,.1);font-size:14px}.fp-head .x,.pop-head .x{background:#ffffff14;border:none;border-radius:50%;width:28px;height:28px;cursor:pointer;color:var(--muted);font-size:13px}.log-list{list-style:none;margin:0;padding:6px 12px 12px;overflow:auto;font-size:13px}.log-list li,.away li{padding:5px 0;border-bottom:1px solid rgba(255,255,255,.05)}.log-list li small,.away li small{color:var(--muted);margin-right:6px}.dock{position:absolute;left:0;right:0;bottom:14px;z-index:20;display:flex;flex-direction:column;align-items:center;gap:10px;padding:0 12px;pointer-events:none}.dock>*{pointer-events:auto}.dock-row{display:flex;gap:8px;padding:8px;border-radius:26px;box-shadow:0 16px 40px #00000073}.dock-btn{position:relative;display:flex;flex-direction:column;align-items:center;gap:2px;width:86px;padding:9px 4px 8px;border-radius:19px;border:1px solid transparent;background:#ffffff0f;cursor:pointer;transition:background .15s,transform .12s}.dock-btn:hover{background:#ffffff24;transform:translateY(-2px)}.dock-btn.on{background:linear-gradient(180deg,#2bb5e6,#1b86b5);border-color:#fff6;color:#fff}.dock-btn.alert .db-ico{animation:wiggle 1.6s infinite}.db-ico{font-size:28px;line-height:1.1}.db-lbl{font-size:12.5px;font-weight:700}.db-badge{position:absolute;top:-6px;right:-4px;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--bad);color:#fff;font-size:11px;font-weight:800;font-style:normal;display:grid;place-items:center;box-shadow:0 2px 6px #0006}@keyframes wiggle{0%,40%,to{transform:rotate(0)}10%{transform:rotate(-14deg)}20%{transform:rotate(12deg)}30%{transform:rotate(-6deg)}}@keyframes pulse{50%{box-shadow:0 0 0 4px #e74c3c4d}}@keyframes popIn{0%{opacity:0;transform:translateY(10px) scale(.98)}}@keyframes bob{50%{transform:translateY(-4px)}}.dock-hint{display:flex;align-items:center;gap:10px;font-size:14px;padding:6px 6px 6px 16px;border-radius:22px;background:#1d6b8cf2;border:1px solid var(--accent);box-shadow:0 6px 20px #00000059;animation:popIn .16s ease-out}.dock-hint button{background:#fff;color:#0b3d55;border:none;border-radius:16px;padding:5px 14px;font-weight:800;cursor:pointer}.coach{position:relative;background:#fff6cc;color:#3a2f00;padding:9px 16px;border-radius:14px;font-size:14px;box-shadow:0 8px 24px #00000059;animation:bob 2s ease-in-out infinite}.coach:after{content:"";position:absolute;bottom:-7px;left:50%;margin-left:-144px;border:7px solid transparent;border-bottom:0;border-top-color:#fff6cc}.pop{width:min(580px,calc(100vw - 24px));max-height:min(62vh,520px);overflow:auto;border-radius:22px;background:#091825eb;box-shadow:0 20px 50px #00000080;padding:12px 14px 14px;animation:popIn .16s ease-out}.pop-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;font-size:15px}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}.tile{position:relative;display:flex;flex-direction:column;align-items:center;gap:3px;padding:11px 6px 9px;border-radius:16px;background:#ffffff0f;border:1px solid rgba(255,255,255,.08);cursor:pointer;text-align:center;transition:background .15s,transform .12s}.tile:hover:not(:disabled){background:#ffffff21;transform:translateY(-1px)}.tile:disabled{opacity:.4;cursor:not-allowed}.tile.active{background:#2bb5e640;border-color:var(--accent)}.tile.alert:not(:disabled){border-color:#e74c3cd9;background:#e74c3c29}.tile.alert:not(:disabled):after{content:"Nên làm";position:absolute;top:-8px;right:6px;font-size:10px;font-weight:800;background:var(--bad);color:#fff;border-radius:8px;padding:1px 7px}.t-ico{font-size:27px;line-height:1.15}.t-lbl{font-weight:700;font-size:13.5px}.t-hint{font-size:11px;color:var(--muted)}.pop .sub{margin-top:10px}.pop .warn,.compat-notes .warn{font-size:13px;padding:7px 10px;border-radius:10px;background:#f1c40f1f;margin-bottom:6px}.pop .warn.bad,.compat-notes .warn.bad{background:#e74c3c29;color:#ffb3ab}.pop .warn.good,.compat-notes .warn.good{background:#2ecc7121;color:#9ff0c0}.compat-notes .warn.info{color:#ffe08a}.care-warns{margin-bottom:4px}.pop .tests{margin-top:12px}.tests div.good b{color:var(--good)}.tests div.warn b{color:var(--warn)}.tests div.bad b{color:var(--bad)}.tests div span{color:var(--muted)}.meter{height:8px;border-radius:6px;background:#ffffff14;overflow:hidden;margin-bottom:12px}.meter-fill{height:100%;border-radius:6px;transition:width .4s}.meter-fill.good{background:linear-gradient(90deg,#27ae60,#2ecc71)}.meter-fill.warn{background:linear-gradient(90deg,#e67e22,#f5b041)}.meter-fill.bad{background:linear-gradient(90deg,#c0392b,#e74c3c)}.sp-ranges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.sp-range{display:flex;align-items:center;gap:6px;font-size:13px;background:#ffffff0f;padding:5px 11px;border-radius:20px}.sp-range i{width:10px;height:10px;border-radius:50%}.switch.big{font-size:14px;margin:6px 0 10px}.switch.big input{width:20px;height:20px}.stepper{display:flex;align-items:center;justify-content:center;gap:18px;margin:6px 0 12px}.stepper button{width:46px;height:46px;border-radius:50%;border:none;font-size:24px;background:#ffffff1a;cursor:pointer}.stepper button:hover{background:#fff3}.stepper b{font-size:28px;min-width:120px;text-align:center;font-variant-numeric:tabular-nums}.btn.wide{width:100%;padding:11px}.species-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}.sp-card{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 6px 9px;border-radius:16px;background:var(--card);border:2px solid transparent;cursor:pointer;min-width:0}.sp-card:hover{background:var(--card2)}.sp-card.active{border-color:var(--accent);background:var(--card2)}.sp-card small{color:var(--muted);font-size:11px;text-align:center}.compat{font-style:normal;font-size:11px;font-weight:700;padding:2px 9px;border-radius:10px;margin-top:4px}.compat.good{background:#2ecc712e;color:#8ff0b5}.compat.bad{background:#e74c3c38;color:#ffb3ab}.compat.info{background:#f1c40f2e;color:#ffe08a}.swatches{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 2px}.swatch{position:relative;width:36px;height:36px;border-radius:50%;padding:3px;border:2px solid transparent;background:none;cursor:pointer}.swatch span{display:block;width:100%;height:100%;border-radius:50%;box-shadow:inset 0 0 0 1px #ffffff40}.swatch.active{border-color:var(--accent)}.swatch em{position:absolute;top:-6px;right:-6px;font-size:12px;font-style:normal}.coins-left{margin-right:auto;color:#ffd86b;font-weight:700;align-self:center}@media (max-width: 760px){.hud-top{gap:6px;top:6px;left:6px;right:6px}.brand{padding:5px 10px}.brand .tag{display:none}.chip{font-size:12px;padding:6px 9px}.hud-btn{width:32px;height:32px;font-size:15px}.top-actions{gap:4px}.float-panel.left{left:8px;right:8px;width:auto;top:auto;bottom:110px;max-height:55vh}.dock{bottom:8px;padding:0 8px}.dock-row{gap:6px;padding:6px}.dock-btn{width:74px}.db-ico{font-size:24px}.tiles{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}.species-pick canvas{max-width:100%}}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px}.card h3{font-size:14px;margin-bottom:8px}.card h3 small{color:var(--muted);font-weight:500}.panel{display:flex;flex-direction:column;gap:10px;min-width:0}.stat{display:flex;justify-content:space-between;font-size:14px;margin-top:8px}.sub{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.5}.legend{padding:0 4px}.bar{height:6px;background:#0c1b26;border-radius:4px;overflow:hidden;margin-top:3px}.bar-fill{height:100%;transition:width .4s}.switch{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:6px;cursor:pointer}.thermo{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:8px;font-size:13px}.thermo .switch{margin:0}.tests{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.tests div{background:var(--bg2);border-radius:8px;padding:6px;text-align:center;display:flex;flex-direction:column;font-size:12px}.tests b{font-size:16px}.sched{display:flex;justify-content:space-between;gap:8px;font-size:13px;padding:4px 0;border-bottom:1px dashed var(--line)}.sched b{font-weight:600;text-align:right}.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}.warns{border-color:#6b5a1a;background:#231f10}.warns .warn{font-size:13px;padding:3px 0}.warn.bad{color:#ff8a80}.warn.info{color:var(--muted)}.fish-list{display:flex;flex-direction:column;gap:4px;max-height:340px;overflow:auto}.fish-row{display:grid;grid-template-columns:1fr 90px;gap:8px;align-items:center;padding:5px 7px;border-radius:8px;cursor:pointer;font-size:13px}.fish-row:hover{background:var(--card2)}.fish-row.sel{background:#1d4a62}.fish-row.dead{opacity:.6}.fr-name small{display:block;color:var(--muted);font-size:11px}li.death{color:#ff8a80}li.warn{color:#ffe08a}li.good{color:#9ff0bf}.ctx{position:fixed;z-index:60;background:#0f2433;border:1px solid var(--line);border-radius:10px;padding:6px;min-width:180px;box-shadow:0 10px 30px #00000080;display:flex;flex-direction:column}.ctx-title{font-size:12px;color:var(--muted);padding:4px 8px 6px;border-bottom:1px solid var(--line);margin-bottom:4px}.ctx button{background:none;border:none;text-align:left;padding:7px 8px;border-radius:6px;cursor:pointer;font-size:14px}.ctx button:hover{background:var(--card2)}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#02080eb3;z-index:50;display:flex;align-items:center;justify-content:center;padding:16px}.modal{background:var(--card);border:1px solid var(--line);border-radius:16px;width:min(520px,100%);max-height:92vh;display:flex;flex-direction:column;box-shadow:0 30px 80px #0009}.modal.wide{width:min(960px,100%)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}.modal-head h2{font-size:18px}.modal-head .x{background:none;border:none;font-size:18px;cursor:pointer;color:var(--muted)}.modal-body{padding:14px 18px;overflow:auto;line-height:1.55;font-size:14px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}.modal-foot.inline{border:none;padding:14px 0 0}.check{display:flex;gap:8px;align-items:center;margin:8px 0;cursor:pointer}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.tabs button{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer}.tabs button.active{background:#1d6b8c;border-color:var(--accent)}.fish-info-top{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.fish-info-top table td{padding:3px 10px 3px 0}.fish-info-top table td:first-child{color:var(--muted)}.conds{background:#2a1f12;border:1px solid #5a4320;border-radius:10px;padding:8px 12px;margin:10px 0}.quick-care{background:var(--bg2);padding:10px 14px;border-radius:10px;margin-top:10px}.quick-care ul,.species-info ul{padding-left:18px;margin:6px 0}.species-info h4,.modal h4{margin:12px 0 4px;font-size:14px}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.food-table{font-size:13px;border-collapse:collapse;width:100%}.food-table td{padding:3px 6px;border-bottom:1px solid var(--line)}.variants{display:flex;flex-wrap:wrap;gap:8px}.variant{background:var(--bg2);border-radius:10px;padding:6px;display:flex;flex-direction:column;align-items:center;font-size:12px;width:120px;text-align:center}.choice-list{display:flex;flex-direction:column;gap:8px}.choice{text-align:left;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;display:flex;flex-direction:column;gap:2px}.choice:hover{border-color:var(--accent)}.choice span{color:var(--muted);font-size:13px}.add-fish{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.add-fish>div{flex:1;min-width:220px}.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}.seg button{background:var(--bg2);border:none;padding:7px 16px;cursor:pointer}.seg button.active{background:#1d6b8c}.death{display:flex;gap:14px;align-items:center}.cause{font-size:16px}.lesson{background:#12301f;border:1px solid #1f5a37;border-radius:10px;padding:10px 12px;margin:8px 0}.lesson p{margin:4px 0 0}.lessons{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px}.clean-steps{display:flex;flex-direction:column;gap:6px}.clean-step{text-align:left;background:var(--bg2);border:1px solid var(--line);border-radius:9px;padding:9px 12px;cursor:pointer}.clean-step:disabled{cursor:default;opacity:.55}.clean-step.done{opacity:1;border-color:#1f5a37;background:#12301f}.journal{width:100%;border-collapse:collapse;font-size:13px}.journal th,.journal td{text-align:left;padding:5px 6px;border-bottom:1px solid var(--line)}.guide li{margin-bottom:8px}.away{list-style:none;padding:0;font-size:13px}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%);background:#0f2433;border:1px solid var(--accent);padding:10px 16px;border-radius:10px;z-index:70;box-shadow:0 10px 30px #00000080;max-width:90vw}hr{border:none;border-top:1px solid var(--line);margin:14px 0}@media (max-width: 640px){.start-hero h1{font-size:28px}}@media (max-width: 480px){.hud-top .brand{display:none}.hud-top .chip{padding:6px 8px}}canvas.tank{touch-action:none}canvas.tank.tooling{cursor:none}.chip.value{color:#9ff3ff}.toast{bottom:auto;top:64px;border-radius:14px;font-weight:600;animation:popIn .18s ease-out;text-align:center}.toast.error{border-color:var(--bad);background:#3a1517;color:#ffd6d1}.chips-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.chip-btn{border:1px solid rgba(255,255,255,.14);background:#ffffff0f;border-radius:20px;padding:8px 14px;font-weight:700;cursor:pointer}.chip-btn.on{background:#2bb5e647;border-color:var(--accent)}.chip-btn.on.bad,.chip-btn.toggle.off{background:#e74c3c2e;border-color:#e74c3ccc;color:#ffb3ab}.chip-btn.toggle.on{background:#2ecc712e;border-color:#2ecc71cc}.qty{display:flex;align-items:center;gap:10px;margin:10px 0 4px;font-size:14px}.qty button{width:34px;height:34px;border-radius:50%;border:none;background:#ffffff1a;font-size:18px;cursor:pointer}.qty b{min-width:24px;text-align:center;font-size:18px}.add-fish .seg{margin-top:8px}.species-pick{grid-template-columns:repeat(5,1fr)}.species-cards{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.species-tag{font-size:13px;margin-top:4px}.species-meta{font-size:12px;color:var(--muted);margin-top:4px}@media (max-width: 760px){.species-pick{grid-template-columns:repeat(3,1fr)}.toast{top:52px}}@media (max-width: 480px){.hud-top{flex-wrap:wrap;row-gap:6px}.hud-top .chip{font-size:11.5px;padding:5px 8px}}.start.quick{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;padding:24px 16px}.start.quick .start-hero p{margin:6px 0 0}.quick-pick{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;width:min(760px,100%)}.quick-card{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 4px 12px;border-radius:18px;background:var(--card);border:2px solid transparent;cursor:pointer;transition:transform .12s,background .15s;min-width:0}.quick-card:hover{transform:translateY(-2px);background:var(--card2)}.quick-card.active{border-color:var(--accent);background:var(--card2);box-shadow:0 0 0 4px #33c3f026}.quick-card canvas{max-width:100%}.quick-card small{color:var(--muted);font-size:12px}.quick-info{width:min(560px,100%);font-size:15px;line-height:1.5;padding:12px 16px;border-radius:14px;background:#ffffff0d}.quick-meta{display:block;font-size:13px;color:var(--muted);margin-top:4px}.quick-go{font-size:18px;padding:14px 30px;border-radius:16px}.quick-links{display:flex;gap:8px}@media (max-width: 640px){.quick-pick{grid-template-columns:repeat(3,1fr)}}