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rgba(4,20,28,.32);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.auth-brand{display:flex;align-items:center;gap:12px}.auth-brand small,.auth-copy{color:var(--muted)}.auth-copy{margin:8px 0 0;line-height:1.55}.auth-mode-tabs{display:grid;grid-template-columns:1fr 1fr;grid-gap:6px;gap:6px;padding:5px;border:1px solid var(--line);border-radius:8px;background:rgba(238,247,243,.9)}.auth-mode-tabs button{min-height:42px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-weight:900}.auth-mode-tabs button.active{background:var(--panel);color:var(--deep);box-shadow:0 8px 18px rgba(16,35,34,.1)}.auth-hint{margin:0;padding:12px;border-radius:8px;background:rgba(21,159,183,.1);color:#18545d;line-height:1.5;font-size:13px;font-weight:800}.auth-hint:empty{display:none}.auth-card label{display:grid;grid-gap:8px;gap:8px;color:var(--deep);font-weight:800}.auth-card [data-register-only][hidden],.auth-card 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.16s ease,box-shadow .16s ease,border-color .16s ease}.background-options button.active{border-color:var(--mint);box-shadow:0 0 0 3px rgba(32,191,160,.18),0 16px 28px rgba(16,35,34,.12)}.background-options button:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(16,35,34,.12)}.background-thumb{display:block;width:100%;height:108px;background-position:50%;background-size:cover;filter:saturate(1.05)}.background-thumb:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(6,24,31,.58))}.background-label{position:absolute;left:10px;right:50px;bottom:9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:white;font-size:13px;font-weight:900;z-index:1}.tank-settings-modal{width:min(720px,calc(100vw - 28px))}.background-options small{position:absolute;right:9px;bottom:9px;z-index:1;min-width:34px;padding:2px 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.motion-fish-facing-left{opacity:1;visibility:visible}.motion-fish-fallback,.motion-fish-video{width:100%;height:100%;object-fit:contain;pointer-events:none}.motion-fish-video{display:block}.chroma-source-video{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;transform:translate(-9999px,-9999px)}.motion-fish-fallback{display:none}.motion-fish.static-alpha-fallback .motion-fish-fallback{display:block}.motion-fish-facing-left .motion-fish-fallback,.motion-fish.shared-motion.shared-source-left .motion-fish-facing-right .motion-fish-video,.motion-fish.shared-motion.shared-source-right .motion-fish-facing-left .motion-fish-video{transform:scaleX(-1)}@media (max-width:720px){.motion-fish{width:112px;height:82px}}@media (prefers-reduced-motion:reduce){.motion-fish{transition:none!important}.motion-fish-video{display:none}.motion-fish-fallback{display:block}}.inhabitant{--x:50%;--y:50%;--delay:0s;--scale:1;--swim:11s;--path:32px;--arc:-14px;--bob:8px;--fish-a:#ffb54f;--fish-b:#ff6f61;position:absolute;left:var(--x);top:var(--y);border:0;background:transparent;padding:0;transform:translate(-50%,-50%) scale(var(--scale));width:112px;height:80px;filter:drop-shadow(0 16px 18px rgba(6,24,31,.3));animation:idleDrift 5.2s ease-in-out infinite;animation-delay:var(--delay);pointer-events:auto;transition:transform .18s ease,filter .18s ease;cursor:default;overflow:visible;touch-action:none}.inhabitant.fish{animation:naturalSwim var(--swim) ease-in-out infinite,fishTilt 3.8s ease-in-out infinite;animation-delay:var(--delay),calc(var(--delay) * .4)}.inhabitant.fish.swim-1{animation-name:naturalSwimAlt,fishTilt}.inhabitant.fish.swim-2{animation-name:naturalSwimLazy,fishTilt}.inhabitant.fish.reverse{animation-name:naturalSwimReverse,fishTilt}.inhabitant.fish.reverse.swim-1{animation-name:naturalSwimReverseAlt,fishTilt}.inhabitant.coral,.inhabitant.invert{animation:reefSway 8.6s ease-in-out infinite;animation-delay:var(--delay);transform-origin:50% 100%}.inhabitant.selected,.inhabitant:hover{transform:translate(-50%,-50%) scale(calc(var(--scale) * 1.08));filter:drop-shadow(0 20px 22px rgba(6,24,31,.34)) drop-shadow(0 0 10px rgba(131,217,228,.42))}.inhabitant.dragging{cursor:-webkit-grabbing;cursor:grabbing;z-index:8;transition:none;animation-play-state:paused}.inhabitant.dragging,.inhabitant.dragging .inhabitant-image{-webkit-user-select:none;-moz-user-select:none;user-select:none}.inhabitant.has-image.coral.selected,.inhabitant.has-image.coral:hover{transform:translate(-50%,-50%) scale(var(--scale));filter:none}.fish-art,.fish-body,.fish-eye,.fish-fin,.fish-mouth,.fish-shadow,.fish-shine,.fish-stripe,.fish-tail{position:absolute;display:block}.fish-art{inset:0;transform-origin:50% 50%;animation:fishTurn var(--swim) ease-in-out infinite;animation-delay:var(--delay)}.inhabitant.fish.reverse .fish-art{animation-name:fishTurnReverse}.fish-body{left:9px;top:16px;width:74px;height:43px;border-radius:62% 48% 50% 60%;background:radial-gradient(circle at 22% 34%,rgba(255,255,255,.95) 0 5px,transparent 6px),radial-gradient(circle at 36% 24%,rgba(255,255,255,.42) 0 10px,transparent 11px),linear-gradient(145deg,var(--fish-a) 0,var(--fish-b) 62%,#17465a 130%);box-shadow:inset 11px 12px 18px rgba(255,255,255,.42),inset -13px -10px 18px rgba(2,38,53,.2)}.fish-body:after{content:"";position:absolute;left:10px;right:12px;bottom:6px;height:10px;border-radius:999px;background:rgba(255,255,255,.18)}.fish-tail{right:8px;top:20px;width:36px;height:36px;-webkit-clip-path:polygon(0 50%,92% 5%,72% 50%,92% 95%);clip-path:polygon(0 50%,92% 5%,72% 50%,92% 95%);background:linear-gradient(135deg,color-mix(in srgb,var(--fish-b) 74%,white),var(--fish-a));box-shadow:inset 5px 7px 9px rgba(255,255,255,.3);transform-origin:8% 50%;animation:tailBeat .82s ease-in-out infinite}.fish-fin{left:41px;top:45px;width:22px;height:17px;border-radius:0 0 90% 90%;background:color-mix(in srgb,var(--fish-b) 72%,white);transform:rotate(-12deg);opacity:.88;transform-origin:40% 0;animation:finWave 1.8s ease-in-out infinite}.fish-shine{left:23px;top:21px;width:28px;height:11px;border-radius:999px;background:rgba(255,255,255,.38);transform:rotate(-10deg)}.fish-eye{left:22px;top:29px;width:10px;height:10px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#ffffff 0 2px,#132a32 3px 100%)}.fish-mouth{left:5px;top:38px;width:8px;height:4px;border-radius:0 0 999px 999px;border-bottom:2px solid rgba(11,46,58,.52)}.fish-stripe{top:19px;width:7px;height:38px;border-radius:999px;background:rgba(255,255,255,.82);box-shadow:0 0 0 2px rgba(18,49,61,.18)}.fish-stripe.one{left:37px;transform:rotate(7deg)}.fish-stripe.two{left:56px;transform:rotate(-5deg)}.fish-shadow{left:16px;bottom:8px;width:70px;height:12px;border-radius:50%;background:rgba(4,28,37,.16);filter:blur(2px)}.inhabitant.fish.blue .fish-stripe,.inhabitant.fish.yellow .fish-stripe{display:none}.inhabitant.fish.blue .fish-body{background:radial-gradient(circle at 22% 34%,rgba(255,255,255,.95) 0 5px,transparent 6px),linear-gradient(145deg,#4ad0ff,#2574d8 60%,#12313d 120%)}.inhabitant.fish.yellow .fish-body{background:radial-gradient(circle at 22% 34%,rgba(255,255,255,.95) 0 5px,transparent 6px),linear-gradient(145deg,#ffe46b,#ffb23f 68%,#d76d53 120%)}.inhabitant.coral{width:86px;height:70px;border-radius:44px 44px 18px 18px;background:radial-gradient(circle at 28% 30%,rgba(255,255,255,.55) 0 5px,transparent 6px),radial-gradient(circle at 60% 24%,rgba(255,255,255,.35) 0 4px,transparent 5px),linear-gradient(145deg,#ff9fb0,#d95f80 55%,#7d4cc2);box-shadow:inset 12px 12px 18px rgba(255,255,255,.25),inset -12px -12px 18px rgba(56,16,78,.22)}.inhabitant.coral::marker{display:none}.inhabitant.coral:after,.inhabitant.coral:before{content:"";position:absolute;bottom:36px;width:18px;height:42px;border-radius:999px;background:linear-gradient(180deg,#ffc1ca,#e46f8a)}.inhabitant.coral:before{left:18px;transform:rotate(-18deg)}.inhabitant.coral:after{right:20px;transform:rotate(16deg)}.inhabitant.invert{width:72px;height:48px;border-radius:42px 42px 24px 24px;background:linear-gradient(145deg,#ffcf7e,#f07b59 60%,#b84858);box-shadow:inset 10px 10px 16px rgba(255,255,255,.28),inset -10px -8px 16px rgba(71,23,34,.2)}.inhabitant.has-image{width:132px;height:96px;background:transparent;filter:drop-shadow(0 18px 18px rgba(6,24,31,.24))}.inhabitant.has-image:after,.inhabitant.has-image:before{display:none}.inhabitant-image,.inhabitant-motion-video{width:100%;height:100%;object-fit:contain;display:block;pointer-events:none}.inhabitant.fish.has-image .inhabitant-image{transform-origin:50% 50%;animation:fishTurn var(--swim) ease-in-out infinite;animation-delay:var(--delay)}.inhabitant.fish.has-image.reverse .inhabitant-image{animation-name:fishTurnReverse}.inhabitant.fish.dragging .inhabitant-image{animation-play-state:paused}.inhabitant.has-image.invert{width:108px;height:82px}.inhabitant.has-image.coral{width:150px;height:118px;transform-origin:50% 85%;filter:none}.inhabitant.has-image.coral .inhabitant-image,.inhabitant.has-image.coral 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strong{color:white;font-size:24px;line-height:1.18;word-break:keep-all;overflow-wrap:anywhere}.tank-home-link{min-height:30px;padding:0 10px;border:0;border-radius:999px;background:rgba(32,191,160,.14);color:var(--deep);font:inherit;font-size:12px;font-weight:900;cursor:pointer}@media (max-width:640px){.tank-home{width:100%;padding:14px 14px 92px}.tank-home-actions{position:-webkit-sticky;position:sticky;top:0;z-index:10;margin:-2px -2px 22px;padding:4px 2px 8px;background:linear-gradient(180deg,rgba(248,252,250,.96),rgba(248,252,250,.72));-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.tank-home-action-button{width:36px;height:36px;border-radius:12px}.tank-home-action-button svg{width:17px;height:17px}.tank-home-hero{margin-bottom:18px}.tank-home-hero h1{font-size:42px}.tank-home-hero p:not(.eyebrow){font-size:15px}.tank-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));justify-content:stretch;gap:10px}.tank-home-card{min-height:184px;border-radius:16px}.tank-card-content{inset:auto 12px 12px;max-width:calc(100% - 24px)}.tank-card-content strong{font-size:18px}.tank-card-content em{display:none}.active-tank-summary{grid-template-columns:auto minmax(0,1fr) auto}}.tank-create-fab{position:fixed;right:max(calc((100vw - 1180px) / 2 + 20px),max(20px,env(safe-area-inset-right)));bottom:max(22px,env(safe-area-inset-bottom));z-index:30;display:grid;justify-items:end;grid-gap:10px;gap:10px}.tank-create-button{display:inline-flex;align-items:center;justify-content:center;width:58px;height:58px;border:0;border-radius:999px;background:linear-gradient(135deg,#0f3330,#159fb7 56%,#20bfa0);box-shadow:0 18px 38px rgba(15,51,48,.28);color:white;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.tank-create-plus{position:relative;display:block;width:18px;height:18px}.tank-create-plus:after,.tank-create-plus:before{content:"";position:absolute;left:50%;top:50%;width:18px;height:3px;border-radius:999px;background:currentColor;transform:translate(-50%,-50%)}.tank-create-plus:after{transform:translate(-50%,-50%) rotate(90deg)}.tank-create-fab.open .tank-create-button{transform:rotate(45deg);box-shadow:0 16px 34px rgba(15,51,48,.22)}.tank-create-menu{display:grid;grid-gap:8px;gap:8px;width:min(260px,calc(100vw - 32px));padding:8px;border:1px solid rgba(216,230,226,.86);border-radius:18px;background:rgba(255,255,255,.88);box-shadow:0 20px 48px rgba(10,35,42,.18);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);opacity:0;pointer-events:none;transform:translateY(8px) scale(.96);transform-origin:right bottom;transition:opacity .16s ease,transform .16s ease}.tank-create-fab.open .tank-create-menu{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.tank-create-menu button{display:grid;grid-gap:3px;gap:3px;min-height:62px;padding:12px 14px;border:1px solid rgba(216,230,226,.74);border-radius:14px;background:rgba(248,252,250,.86);color:var(--deep);text-align:left;cursor:pointer}.tank-create-menu button:hover{background:white;border-color:rgba(32,191,160,.42)}.tank-create-menu span{font-size:15px;font-weight:950;line-height:1.2}.tank-create-menu small{color:var(--muted);font-size:12px;font-weight:800;line-height:1.25}.tank-create-modal{width:min(720px,calc(100vw - 28px));max-height:min(86dvh,820px);overflow-y:auto}.tank-create-modal .background-options{grid-template-columns:repeat(2,minmax(0,1fr))}.tank-create-modal .background-label{max-width:calc(100% - 18px)}@media (max-width:640px){.tank-create-fab{right:max(14px,env(safe-area-inset-right));bottom:max(18px,env(safe-area-inset-bottom))}.tank-create-button{width:56px;height:56px}.tank-create-modal{width:calc(100vw - 20px);padding:14px}.tank-create-modal .background-options{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tank-create-modal .background-thumb{height:88px}.tank-create-modal .background-label{right:7px;bottom:7px;left:7px;font-size:11px}}.tank-home-card{padding:0}.tank-card-open{position:absolute;inset:0;display:block;width:100%;height:100%;padding:0;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer}.tank-card-menu{position:absolute;top:10px;right:10px;z-index:3}.tank-card-menu-toggle{position:relative;z-index:2;display:inline-grid;place-items:center;align-content:center;row-gap:1.5px;width:32px;height:32px;border:0;border-radius:999px;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;color:rgba(255,255,255,.92);cursor:pointer;transition:transform .16s ease,background .16s ease,border-color .16s ease}.tank-card-menu-toggle:hover,.tank-card-menu.open .tank-card-menu-toggle{background:transparent;transform:translateY(-1px)}.tank-card-menu-toggle span{display:block;width:2.5px;height:2.5px;margin:0;border-radius:999px;background:currentColor}.tank-card-menu-panel{position:absolute;top:38px;right:0;display:grid;grid-gap:2px;gap:2px;min-width:96px;padding:5px;border:1px solid rgba(255,255,255,.42);border-radius:12px;background:rgba(8,31,38,.52);box-shadow:0 16px 30px rgba(8,35,41,.18);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;pointer-events:none;transform:translateY(-4px) scale(.96);transform-origin:right top;transition:opacity .16s ease,transform .16s ease}.tank-card-menu.open .tank-card-menu-panel{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}.tank-card-menu-panel button{min-height:30px;padding:0 9px;border:0;border-radius:9px;background:transparent;color:rgba(255,255,255,.94);font-size:12px;font-weight:900;line-height:1;text-align:left;cursor:pointer}.tank-card-menu-panel button:hover{background:rgba(255,255,255,.16)}.tank-card-menu-panel button.danger{color:#ffd1c9}.tank-card-menu-panel button:disabled{cursor:not-allowed;opacity:.45}.tank-card-stats{position:absolute;left:18px;right:72px;bottom:106px;z-index:2;display:flex;flex-wrap:wrap;gap:6px}.tank-card-stats span{display:inline-flex;align-items:center;min-height:26px;padding:0 9px;border:1px solid rgba(255,255,255,.38);border-radius:999px;background:rgba(255,255,255,.18);color:rgba(255,255,255,.92);font-size:11px;font-weight:900;line-height:1;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}@media (max-width:640px){.tank-card-menu{top:9px;right:9px}.tank-card-menu-toggle{width:30px;height:30px}.tank-card-menu-toggle span{width:2.5px}.tank-card-menu-panel{top:36px;min-width:92px}.tank-card-menu-panel button{min-height:30px;font-size:12px}.tank-card-stats{left:12px;right:12px;bottom:62px;gap:4px}.tank-card-stats span{min-height:22px;padding:0 7px;font-size:10px}}