:root{color-scheme:dark;--bg:#06111b;--panel:#0b1b29;--panel2:#0e2333;--line:#1a3446;--muted:#87a4b4;--text:#f0f9fc;--cyan:#48e3e6;--pink:#f697b0;--lime:#75dabd;--orange:#ffb46b;--radius:18px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;font-size:14px}*{box-sizing:border-box}html{min-width:320px}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}img{display:block;max-width:100%}a{color:var(--cyan)}[hidden]{display:none!important}.background-shape{pointer-events:none;position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 74% 17%,#10506934,transparent 39%),radial-gradient(circle at 25% 87%,#07637520,transparent 48%)}.brand{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:750;letter-spacing:-1.3px}.brand-accent{color:var(--cyan)}.brand small{display:block;margin-top:1px;font-size:9px;letter-spacing:2.4px;color:var(--muted);font-weight:700}.reefmark{border:1px solid #2ab7b8a1;background:#143c4d;box-shadow:0 0 27px #14dbdc23;color:var(--cyan);display:grid;place-items:center;width:42px;height:42px;border-radius:14px;font-size:25px}.button{border:0;border-radius:10px;font-weight:650;padding:12px 16px;min-height:43px;background:#173241;color:var(--text)}.button.primary{color:#002b32;background:var(--cyan);display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:10px}.button:hover{filter:brightness(1.12)}.button.outline{border:1px solid var(--line);background:#0b202e}.button.small{padding:8px 11px;min-height:36px}.button.subtle-button{background:transparent;color:var(--muted);border:1px solid var(--line);width:100%}.subtle{color:var(--muted);line-height:1.65}.eyebrow{font-size:10px;letter-spacing:2.2px;color:var(--cyan);font-weight:750}.tiny-dot{width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 13px var(--cyan);display:inline-block}.statusbar{position:fixed;top:12px;right:16px;padding:11px 18px;z-index:40;border:1px solid var(--line);border-radius:13px;background:#102b3a;color:#fff;max-width:min(440px,90vw);box-shadow:0 12px 50px #000a}.statusbar:empty{display:none}.statusbar.error{border-color:#924251;background:#3b1723}.login-shell{display:grid;grid-template-columns:1fr .85fr;min-height:100vh;max-width:1400px;margin:auto;padding:32px;gap:36px;align-items:stretch}.login-card{max-width:490px;width:100%;margin:auto;padding:45px 22px}.logo-large{margin-bottom:70px}.intro-chip{display:inline-flex;align-items:center;gap:9px;border:1px solid #235060;background:#092733;color:#9ed9dd;border-radius:50px;padding:8px 13px;font-size:11px;letter-spacing:.2px}.login-card h1{font-size:clamp(35px,4vw,56px);line-height:1.12;letter-spacing:-2px;margin:22px 0 17px}.login-card p.subtle{font-size:15px;margin:0 0 32px}.login-card form{display:flex;flex-direction:column;gap:10px}.login-card label{font-size:12px;color:#bbd0d8;font-weight:650}.login-card input{background:#0a2030;color:#fff;border:1px solid #234154;padding:15px;border-radius:10px;margin-bottom:7px;outline:none}.login-card input:focus{border-color:var(--cyan)}.login-disclaimer{font-size:11px;line-height:1.5;color:var(--muted);margin-top:27px}.form-error{color:#ff9bac;border:1px solid #66303f;padding:10px;border-radius:9px;margin:0}.welcome-panel{overflow:hidden;position:relative;background:linear-gradient(142deg,#123b4d 3%,#0b2535 40%,#06202b 100%);border:1px solid #254a5a;border-radius:24px;display:flex;align-items:flex-end;padding:55px}.orbit{border:1px solid #7df5ed33;border-radius:50%;position:absolute;top:10%;right:-19%;width:90%;aspect-ratio:1}.orbit-two{top:20%;right:-10%;width:70%;border-style:dashed}.coral-graphic{position:absolute;top:10%;right:12%;font-size:min(29vw,390px);font-weight:100;color:#70ece775;text-shadow:0 0 90px #00d5c7a6}.welcome-copy{position:relative;z-index:1;max-width:440px}.welcome-copy strong{display:block;font-size:clamp(28px,3.1vw,46px);line-height:1.1;letter-spacing:-1.6px;margin:15px 0}.welcome-copy p{color:#aec5cb;line-height:1.7}.dashboard{display:flex;min-height:100vh}.sidebar{position:sticky;top:0;align-self:flex-start;height:100vh;width:248px;flex-shrink:0;background:#091824;border-right:1px solid var(--line);padding:25px 15px;display:flex;flex-direction:column;gap:14px}.sidebar-brand{padding:8px 11px 32px;font-size:22px}.sidebar-caption{letter-spacing:1.7px;font-size:9px;font-weight:800;color:#648898;padding:0 12px;margin:14px 0 5px}.aquarium-switch{display:grid;gap:7px;max-height:200px;overflow-y:auto}.tank-pill{background:#0e2a38;border:1px solid transparent;border-radius:11px;padding:12px;text-align:left;color:#bad2d9;font-weight:600;display:flex;gap:9px;align-items:center;width:100%}.tank-pill.active{color:var(--cyan);border-color:#22798a;background:#103443}.tank-icon{font-size:18px}#nav{display:grid;gap:5px}.nav-item{color:#a7c0cb;background:transparent;border:0;border-radius:9px;min-height:43px;display:flex;align-items:center;gap:13px;padding:0 13px;text-align:left;font-weight:560}.nav-item span{font-size:20px;width:22px;text-align:center}.nav-item.active{color:var(--cyan);background:#123643}.nav-item:hover{background:#102a3a}.sidebar-foot{margin-top:auto;display:grid;gap:16px;padding:0 9px}.cloud-indicator{display:flex;align-items:center;gap:8px;color:#88bbc3;font-size:11px}.main{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{height:75px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 31px;gap:15px}.breadcrumbs{font-size:10px;letter-spacing:1.7px;color:#7296a5}.breadcrumbs strong{color:#c5dbe1}.top-actions{display:flex;align-items:center;gap:11px}.readonly-chip{border:1px solid #305d55;background:#12312f;border-radius:50px;padding:8px 10px;color:#89d7c1;font-size:9px;letter-spacing:1.3px;font-weight:750}.account-pill{width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:#1c6273;border:1px solid #338999;font-weight:750;color:#fff}.page-content{width:min(1170px,100%);margin:0 auto;padding:38px 30px;flex:1}.page-title{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:29px}.page-title h2{font-size:clamp(28px,3vw,42px);letter-spacing:-1.1px;margin:11px 0 5px}.page-title p{margin:0}.last-load{color:#678999;font-size:11px}.grid{display:grid;gap:17px}.grid.two{grid-template-columns:1.3fr .8fr}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid var(--line);background:linear-gradient(155deg,#0d2231,#0b1b29);border-radius:var(--radius);padding:20px;min-width:0}.card h3{font-size:15px;letter-spacing:-.2px;margin:0 0 16px}.card .card-caption,.card-caption{color:#84a6b6;font-size:11px;font-weight:650;letter-spacing:1.5px}.hero{min-height:280px;padding:24px;position:relative;overflow:hidden;border:1px solid #245262;background:linear-gradient(128deg,#0e3040,#0a1e2b);border-radius:var(--radius);display:flex;flex-direction:column;justify-content:flex-end}.hero img{position:absolute;width:100%;height:100%;inset:0;object-fit:cover;opacity:.66}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,#06111bf2,transparent 75%)}.hero-content{position:relative;z-index:1}.hero-content h3{font-size:29px;margin:10px 0}.hero-content p{margin:0;color:#bdd3dc}.hero .tag{display:inline-flex;border:1px solid #7ed4e15c;background:#123b4dae;color:#c9feff;padding:6px 10px;border-radius:50px;font-size:10px}.metrics{margin-top:18px}.metric{border:1px solid var(--line);border-radius:14px;background:#102331;padding:17px;position:relative;overflow:hidden}.metric:before{position:absolute;content:"";height:1px;background:var(--cyan);left:17px;right:17px;top:0;opacity:.7}.metric.orange:before{background:var(--orange)}.metric.pink:before{background:var(--pink)}.metric.green:before{background:var(--lime)}.metric-label{font-size:11px;color:#9bb9c4;font-weight:650}.metric-value{font-weight:740;font-size:29px;letter-spacing:-1px;margin:10px 0 3px}.metric-value small{font-size:11px;font-weight:500;color:#86a9b6;letter-spacing:0}.metric-date{color:#678d9d;font-size:10px}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;white-space:nowrap}.data-table th{text-align:left;font-size:10px;letter-spacing:1px;color:#729aaa;padding:12px 10px;border-bottom:1px solid var(--line)}.data-table td{padding:12px 10px;border-bottom:1px solid #183342;color:#deebf0;font-size:12px}.data-table tr:last-child td{border-bottom:none}.empty{padding:45px 20px;text-align:center;color:#8aa7b2;border:1px dashed #315062;border-radius:15px}.empty .symbol{font-size:30px;display:block;margin-bottom:10px}.accent{color:var(--cyan)}.stack{display:grid;gap:15px}.select,.search{min-height:38px;background:#0f2837;border:1px solid #285064;border-radius:9px;padding:7px 11px;color:#eaf8fc;max-width:100%}.section-header{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.section-header h3{margin:0}.chart{width:100%;height:240px;display:block}.chart-line{stroke:var(--cyan);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}.chart-point{fill:var(--cyan)}.chart-guide{stroke:#244756;stroke-width:1;stroke-dasharray:3 4}.chart-label{font-size:10px;fill:#83a8b7}.summary-stat{font-size:27px;font-weight:700;margin:8px 0}.section-note{font-size:11px;color:var(--muted);line-height:1.65}.avatar{background:#174553;border:1px solid #3f7f8e;color:var(--cyan);font-size:22px;width:56px;height:56px;border-radius:13px;display:grid;place-items:center;flex-shrink:0}.animal-card{display:flex;gap:15px;align-items:center;border:1px solid var(--line);background:#0e2230;border-radius:13px;padding:15px;cursor:pointer;text-align:left;width:100%;color:var(--text)}.animal-card:hover,.animal-card.active{border-color:#3cbac4}.animal-card strong{display:block;margin-bottom:5px}.animal-card small{color:var(--muted)}.photo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.photo-tile{background:#122b38;position:relative;aspect-ratio:1;border:1px solid #285062;border-radius:13px;overflow:hidden;display:flex;align-items:center;justify-content:center;color:#82a7b5}.photo-tile img{width:100%;height:100%;object-fit:cover}.photo-tile span{position:absolute;bottom:0;left:0;right:0;padding:9px;background:linear-gradient(transparent,#06111bda);font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.photo-tile .photo-fail{color:#ffc1a8;font-size:11px;padding:10px;text-align:center}.badge{border-radius:50px;background:#143744;border:1px solid #276275;padding:6px 10px;font-size:10px;color:#a9e3ec;display:inline-block}.badge.good{border-color:#225948;background:#12362d;color:#8de0c1}.badge.warn{border-color:#7e5940;background:#3b291e;color:#f6c699}.list-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:10px;padding:12px 0}.list-row:last-child{border:0}.list-row strong{display:block;font-weight:660}.list-row small{display:block;margin-top:3px;color:#80a2b0}.list-row .value{color:#bfdae4;text-align:right}.timeline{border-left:1px solid #2b6d7b;margin-left:8px;padding:1px 0 1px 22px}.timeline-item{position:relative;margin:15px 0 22px}.timeline-item:before{content:"";position:absolute;left:-29px;top:4px;width:11px;height:11px;background:#1c7180;border:2px solid var(--cyan);border-radius:50%}.timeline-item strong{display:block}.timeline-item small{color:var(--muted)}.timeline-item p{color:#afc6d0;line-height:1.5}.footer-row{display:flex;justify-content:flex-end;margin-top:15px}footer{font-size:10px;color:#5e8697;padding:17px 30px 28px;text-align:center}.mobile-bottom,.mobile-aquarium-nav,.mobile-brand{display:none}.status-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.status-number{font-size:34px;font-weight:730;letter-spacing:-1px;margin:9px 0}.issue-list{margin:10px 0;padding-left:18px;color:#bcdae1;line-height:1.9}.subnav{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:17px}.subnav button{padding:8px 12px;border-radius:50px;border:1px solid #2d5162;background:#0e2938;color:#b8d7e0}.subnav button.active{background:#175060;color:var(--cyan);border-color:#39a6b1}.spinner{width:17px;height:17px;border-radius:50%;border:2px solid #668595;border-top-color:var(--cyan);animation:spin 1s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1130px){.grid.four{grid-template-columns:repeat(2,1fr)}.photo-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:850px){.sidebar{width:190px}.sidebar-brand{font-size:19px}.grid.two{grid-template-columns:1fr}.page-content{padding:28px 18px}.topbar{padding:0 17px}}@media(max-width:670px){.login-shell{display:flex;padding:8px;min-height:100svh}.login-card{padding:30px 18px}.logo-large{margin-bottom:50px}.welcome-panel{display:none}.sidebar{display:none}.mobile-brand{display:flex;font-size:21px}.breadcrumbs{display:none}.topbar{height:61px}.readonly-chip{display:none}.mobile-aquarium-nav{display:flex;gap:9px;overflow-x:auto;padding:11px 15px;border-bottom:1px solid var(--line)}.mobile-aquarium-nav button{flex:none}.mobile-bottom{display:flex;position:sticky;bottom:0;z-index:20;background:#0a1c29;justify-content:space-around;border-top:1px solid var(--line);height:70px;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom button{background:none;color:#89a9b5;border:0;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;font-size:23px}.mobile-bottom button.active{color:var(--cyan)}.mobile-bottom small{font-size:9px}.grid.three{grid-template-columns:1fr 1fr}.photo-grid{grid-template-columns:repeat(2,1fr)}.status-cards{grid-template-columns:1fr 1fr}.page-content{padding:25px 14px}.page-title{display:block}.last-load{display:block;margin-top:8px}.hero{min-height:230px}.metrics{margin-top:13px}.metric-value{font-size:25px}footer{padding-bottom:20px}}@media(max-width:420px){.status-cards{grid-template-columns:1fr}.grid.three{grid-template-columns:1fr 1fr}.page-title h2{font-size:29px}.metric{padding:12px}}

.mt20{margin-top:20px}.mt23{margin-top:23px}.mt26{margin-top:26px}.small-status{font-size:20px}.metric-small-unit{font-size:14px;color:#87afbd}

.runtime-note{color:#92bac5;font-size:11px;line-height:1.5;margin:2px 0 0}.runtime-note[hidden]{display:none!important}

/* Beta 0.3: visual system aligned with iOS dark / neon cyan */
:root{--bg:#06131e;--panel:#0c2030;--cyan:#47dadd;--text:#eefafd}
.nav-item{font-size:13px;font-weight:670;letter-spacing:.05px}
.nav-item.active{border:1px solid #2c7883;background:linear-gradient(96deg,#124251,#113242)}
.metric{background:linear-gradient(145deg,#123145a8,#0c25339e);backdrop-filter:blur(8px);transition:border-color .15s ease,transform .15s ease}
.metric:hover{border-color:#3e8890;transform:translateY(-1px)}
.hub-hero{min-height:205px;margin-bottom:20px}
.hub-content .grid.two{grid-template-columns:1fr 1.2fr}
.hub-content{min-height:250px}
.hub-content .grid.three{margin-top:15px}
.equipment-top{display:flex;gap:13px;align-items:flex-start}.equipment-top h3{margin:5px 0 0}.equipment-top p{margin:4px 0 10px}
.inline-tools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.button.compact{width:auto!important;min-height:35px;padding:8px 12px;margin:0;font-size:11px}
.photo-tile{padding:0;border:1px solid #2a5061;cursor:zoom-in}
.photo-tile:focus-visible,.nav-item:focus-visible,.button:focus-visible,.tank-pill:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.measure-form{display:grid;gap:9px}.measure-form label{font-size:12px;font-weight:660;color:#c9e1e8}.measure-form input,.measure-form .select{background:#0c2433;color:#effbff;border:1px solid #305569;border-radius:10px;padding:12px;font:inherit;width:100%;max-width:none}.measure-form input:focus,.measure-form .select:focus{outline:1px solid var(--cyan)}
.modal{color:var(--text);background:#091e2c;border:1px solid #2c6672;border-radius:20px;width:min(500px,calc(100vw - 24px));max-height:min(93vh,800px);box-shadow:0 25px 100px #000e;padding:0}.modal::backdrop{background:#020b12c9;backdrop-filter:blur(5px)}.modal-inner{padding:25px}.modal-inner h2{margin:0}.modal .section-note{font-size:12px;margin-bottom:22px}.modal input{color-scheme:dark}
.photo-dialog{width:min(940px,96vw);padding:16px}.photo-dialog img{max-height:76vh;max-width:100%;object-fit:contain;margin:10px auto;border-radius:12px}.photo-close{float:right}.photo-dialog p{text-align:center;margin:12px}
.chart-card{margin-top:14px}.statusbar{z-index:1000}
button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.sidebar{width:260px}.page-content{max-width:1250px}.sidebar-caption{margin-top:11px}.sidebar-brand{padding-bottom:20px}
@media(max-width:900px){.hub-content .grid.two{grid-template-columns:1fr}.hub-content .grid.three{grid-template-columns:1fr 1fr}}
@media(max-width:670px){.sidebar{display:none}.modal-inner{padding:16px}.hub-hero{min-height:190px}.hub-content .grid.three{grid-template-columns:1fr}.inline-tools{justify-content:flex-end}.readonly-chip{display:none}.mobile-bottom button{font-size:20px}.mobile-bottom{height:74px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

.brand-image{padding:0;overflow:hidden}.brand-image img{width:100%;height:100%;object-fit:cover}.coral-graphic{top:11%;right:10%;width:60%;height:auto;opacity:.38;filter:drop-shadow(0 0 40px #12e8e54f)}.coral-graphic img{width:100%;aspect-ratio:1;border-radius:26%;object-fit:cover}
/* Critical mobile layout fix: bottom navigation must not consume a flex column next to .main. */
@media(max-width:670px){
  .dashboard{display:block;width:100%}
  .main{display:flex;width:100%;max-width:100%;min-height:100svh}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;width:100%;z-index:30}
  .page-content{width:100%;max-width:100%;padding-bottom:100px}
  .mobile-aquarium-nav{max-width:100vw}
  footer{padding-bottom:100px}
}