.fena{--fena-ink: #172033;--fena-muted: #667085;--fena-line: #d7deea;--fena-panel: #fff;--fena-soft: #f4f8fb;--fena-blue: #1d70d6;--fena-yellow: #f2b705;--fena-orange: #ed6a2c;--fena-red: #cf2e2e;--fena-teal: #159c8c;background:linear-gradient(135deg,#159c8c1f,#ed6a2c14),var(--fena-panel);border:1px solid var(--fena-line);border-radius:8px;color:var(--fena-ink);display:grid;gap:12px;padding:12px;width:100%}.theme-dark .fena{--fena-ink: #eef4ff;--fena-muted: #aab6c8;--fena-line: #344155;--fena-panel: #101827;--fena-soft: #1b2638;--fena-blue: #6da8ff;--fena-yellow: #ffd45a;--fena-orange: #ff9a5d;--fena-red: #ff6b6b;--fena-teal: #49d0bd;background:linear-gradient(135deg,#111827fa,#162731fa)}.fena__warning{align-items:center;background:linear-gradient(90deg,#cf2e2e29,#f2b70529);border:1px solid rgba(207,46,46,.48);border-radius:8px;display:grid;gap:10px;grid-template-columns:38px minmax(0,1fr);padding:10px 12px}.fena__warning-mark{align-items:center;background:var(--fena-red);border-radius:8px;color:#fff;display:flex;font-size:28px;font-weight:900;height:38px;justify-content:center;line-height:1}.fena__warning strong,.fena__warning span{display:block}.fena__warning strong{font-size:.86rem;line-height:1.2;text-transform:uppercase}.fena__warning span{color:var(--fena-ink);font-size:.86rem;line-height:1.35;margin-top:2px}.fena__grid{display:grid;gap:12px}.fena__panel{background:#ffffffc7;border:1px solid var(--fena-line);border-radius:8px;padding:12px}.theme-dark .fena__panel{background:#111827c7}.fena__panel--viz{display:grid;gap:12px}.fena__dial{background:linear-gradient(180deg,#ffffffc2,#f4f8fba3),var(--fena-soft);border:1px solid var(--fena-line);aspect-ratio:2.35;border-radius:8px;min-height:172px;overflow:hidden;position:relative}.theme-dark .fena__dial{background:linear-gradient(180deg,#1b2638c7,#1018279e),var(--fena-soft)}.fena__dial-arc{background:conic-gradient(from 248deg,var(--fena-red) 0 4%,var(--fena-blue) 4% 40%,var(--fena-yellow) 40% 64%,var(--fena-orange) 64% 84%,var(--fena-red) 84% 100%);border-radius:999px 999px 0 0;bottom:20px;box-shadow:inset 0 0 0 1px #ffffff61;height:150px;left:28px;position:absolute;right:28px}.fena__dial-arc:after{background:var(--fena-panel);border-radius:999px 999px 0 0;content:"";inset:22px 22px 0;position:absolute}.fena__needle{background:var(--fena-ink);border-radius:999px;bottom:30px;box-shadow:0 2px 8px #1018282e;height:42%;left:50%;position:absolute;transform:translate(-50%) rotate(-82deg);transform-origin:50% 100%;transition:transform .28s ease;width:4px;z-index:2}.fena__needle:after{background:var(--fena-panel);border:4px solid var(--fena-ink);border-radius:999px;bottom:-10px;content:"";height:20px;left:50%;position:absolute;transform:translate(-50%);width:20px}.fena__dial-center{align-items:center;background:color-mix(in srgb,var(--fena-panel) 88%,var(--fena-soft));border:1px solid var(--fena-line);border-radius:8px;bottom:14px;box-shadow:0 12px 24px #10182814;display:grid;justify-items:center;left:50%;min-width:118px;padding:8px 12px;position:absolute;transform:translate(-50%);z-index:3}.fena__dial-center span,.fena__dial-center small{color:var(--fena-muted);font-size:.68rem;font-weight:900;text-transform:uppercase}.fena__dial-center strong{color:var(--fena-ink);font-size:1.72rem;line-height:1;margin:3px 0}.fena__scale{background:#ffffffd1;border:1px solid var(--fena-line);border-radius:999px;color:var(--fena-ink);font-size:.7rem;font-weight:900;padding:4px 8px;position:absolute;z-index:4}.theme-dark .fena__scale{background:#101827e0}.fena__scale--low{bottom:26px;left:16px}.fena__scale--mid{left:50%;top:26px;transform:translate(-50%)}.fena__scale--high{bottom:26px;right:16px}.fena__band{border-radius:8px;display:grid;gap:4px;min-height:84px;padding:12px}.fena__band strong{display:block;font-size:1rem;line-height:1.2}.fena__band span{color:var(--fena-muted);font-size:.86rem;line-height:1.35}.fena__band--empty{background:var(--fena-soft);border:1px solid var(--fena-line)}.fena__band--prerenal{background:#1d70d61f;border:1px solid rgba(29,112,214,.42)}.fena__band--indeterminate{background:#f2b70529;border:1px solid rgba(242,183,5,.58)}.fena__band--intrinsic{background:#ed6a2c26;border:1px solid rgba(207,46,46,.46)}.fena__kidney{background:var(--fena-soft);border:1px solid var(--fena-line);border-radius:8px;padding:10px}.fena__kidney svg{display:block;height:auto;width:100%}.fena__kidney-shape{fill:#1d70d61f;stroke:var(--fena-blue);stroke-width:4}.fena__kidney-shape--right{fill:#ed6a2c1f;stroke:var(--fena-orange)}.fena__tube{fill:none;stroke:var(--fena-ink);stroke-linecap:round;stroke-width:5}.fena__flow{fill:none;stroke-linecap:round;transition:stroke-width .28s ease}.fena__flow--reabsorb{stroke:var(--fena-blue);stroke-width:12}.fena__flow--excrete{stroke:var(--fena-orange);stroke-width:4}.fena__na{fill:var(--fena-yellow);stroke:var(--fena-ink);stroke-width:2}.fena__flow-labels{display:grid;gap:6px;grid-template-columns:1fr 1fr}.fena__flow-labels span{color:var(--fena-muted);font-size:.74rem;font-weight:900;text-align:center}.fena__panel--inputs{display:grid;gap:14px}.fena__field{background:linear-gradient(180deg,#ffffffb8,#f4f8fbd1),var(--fena-panel);border:1px solid var(--fena-line);border-radius:8px;display:flex;flex-direction:column;gap:8px;min-width:0;padding:10px;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.theme-dark .fena__field{background:linear-gradient(180deg,#1b2638c7,#101827b8),var(--fena-panel)}.fena__field:focus-within{border-color:color-mix(in srgb,var(--fena-teal) 70%,var(--fena-line));box-shadow:0 0 0 3px color-mix(in srgb,var(--fena-teal) 18%,transparent);transform:translateY(-1px)}.fena__field>span{align-items:end;display:flex;color:var(--fena-muted);font-size:.76rem;font-weight:900;letter-spacing:0;line-height:1.1;min-height:18px;text-transform:uppercase}.fena__input-shell{align-items:center;background:color-mix(in srgb,var(--fena-soft) 74%,var(--fena-panel));border:1px solid color-mix(in srgb,var(--fena-line) 72%,transparent);border-radius:8px;display:grid;grid-template-columns:minmax(0,1fr) auto;min-height:58px;overflow:hidden}.fena__input-shell--toggle{align-items:stretch;grid-template-columns:minmax(0,1fr);grid-template-rows:58px 40px}.fena__input-shell input{background:transparent;border:0;color:var(--fena-ink);font:inherit;font-size:1.45rem;font-weight:900;line-height:1;min-width:0;outline:0;padding:12px 14px}.fena__input-shell input::placeholder{color:color-mix(in srgb,var(--fena-muted) 56%,transparent);font-weight:800}.fena__input-shell input::-webkit-outer-spin-button,.fena__input-shell input::-webkit-inner-spin-button{margin:0}.fena__input-shell small{align-items:center;align-self:stretch;background:color-mix(in srgb,var(--fena-ink) 8%,transparent);border-left:1px solid var(--fena-line);color:var(--fena-ink);display:flex;font-size:.78rem;font-weight:900;justify-content:center;min-width:88px;padding:0 12px;white-space:nowrap}.fena__toggle{background:color-mix(in srgb,var(--fena-soft) 82%,var(--fena-panel));border-top:1px solid var(--fena-line);display:grid;gap:6px;grid-template-columns:1fr 1fr;padding:5px}.fena__toggle-btn{background:color-mix(in srgb,var(--fena-panel) 72%,transparent);border:1px solid transparent;border-radius:6px;color:var(--fena-muted);cursor:pointer;font:inherit;font-size:.74rem;font-weight:900;min-height:30px;overflow:hidden;padding:0 8px;text-overflow:ellipsis;white-space:nowrap}.fena__toggle-btn:hover{border-color:color-mix(in srgb,var(--fena-teal) 38%,transparent);color:var(--fena-ink)}.fena__toggle-btn--active{background:linear-gradient(135deg,var(--fena-teal),var(--fena-blue));border-color:color-mix(in srgb,var(--fena-teal) 72%,var(--fena-blue));color:#fff;box-shadow:0 6px 14px color-mix(in srgb,var(--fena-teal) 24%,transparent)}.fena__converted{color:var(--fena-muted);display:block;font-size:.74rem;font-weight:800;line-height:1.25;min-height:18px;overflow-wrap:anywhere}.fena__formula,.fena__caveat{border:1px solid var(--fena-line);border-radius:8px;padding:10px}.fena__formula{display:grid;gap:8px}.fena__formula span,.fena__caveat strong{color:var(--fena-muted);font-size:.76rem;font-weight:900;text-transform:uppercase}.fena__formula code{background:var(--fena-soft);border:1px solid var(--fena-line);border-radius:6px;color:var(--fena-ink);display:block;font-size:.8rem;padding:8px;white-space:normal}.fena__caveat{background:#f2b7051f;display:grid;gap:5px}.fena__caveat span{color:var(--fena-ink);font-size:.84rem;line-height:1.35}@media(min-width:780px){.fena__grid{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}.fena__panel--inputs{grid-template-columns:repeat(2,minmax(0,1fr))}.fena__formula,.fena__caveat{grid-column:1 / -1}}@media(min-width:1120px){.fena__input-shell--toggle{grid-template-columns:minmax(0,1fr) 156px;grid-template-rows:58px}.fena__input-shell--toggle .fena__toggle{border-left:1px solid var(--fena-line);border-top:0}}@media(max-width:460px){.fena{padding:10px}.fena__warning{align-items:start}.fena__dial{aspect-ratio:2;min-height:148px}.fena__dial-arc{bottom:18px;height:124px;left:18px;right:18px}.fena__dial-arc:after{inset:18px 18px 0}.fena__scale--low{left:8px}.fena__scale--high{right:8px}.fena__panel{padding:10px}.fena__field{padding:9px}.fena__input-shell{min-height:54px}.fena__input-shell--toggle{grid-template-rows:54px 40px}.fena__input-shell input{font-size:1.28rem;padding:10px 12px}.fena__input-shell small{min-width:76px;padding:0 10px}}