:root {
  color-scheme: light;
  --brand-primary:#312682; --brand-dark:#251b6b; --brand-soft:#eceafb;
  --ink:#202331; --muted:#687080; --line:#dfe2e8; --surface:#fff; --background:#f5f6f9;
  --danger:#a12222; --success:#176b3a; --warning:#7a5410; --sidebar-width:16rem;
  font-family:system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box} html{min-height:100%} body{min-height:100vh;margin:0;color:var(--ink);background:var(--background);line-height:1.45} a{color:var(--brand-primary);text-underline-offset:.18em} button,input,select,textarea{font:inherit} h1,h2,h3{line-height:1.18} h1{margin:.15rem 0 .35rem} p{max-width:72ch}
.sidebar{position:fixed;inset:0 auto 0 0;z-index:20;display:flex;width:var(--sidebar-width);flex-direction:column;color:#fff;background:var(--brand-primary);box-shadow:3px 0 18px #241a6030}.logo-panel{display:flex;min-height:10.5rem;align-items:center;justify-content:center;padding:1rem 1.7rem;background:#fff}.logo-panel img{display:block;width:100%;max-height:8.5rem;object-fit:contain}.sidebar nav{display:grid;gap:.25rem;padding:1.15rem .8rem}.sidebar nav a{display:grid;min-height:3rem;align-content:center;border-radius:.45rem;padding:.65rem .85rem;color:#fff;font-weight:650;text-decoration:none}.sidebar nav a span{margin-top:.1rem;color:#d9d5f7;font-size:.76rem;font-weight:500}.sidebar nav a:hover{background:#ffffff18}.sidebar nav a.active{color:var(--brand-primary);background:#fff}.sidebar-account{display:grid;gap:.15rem;margin-top:auto;padding:1rem 1.25rem 1.35rem;border-top:1px solid #ffffff2b}.sidebar-account>span{color:#d9d5f7;font-size:.82rem}.sidebar-account form{margin-top:.65rem}.sidebar-logout,.link-button{border:0;padding:0;color:inherit;background:transparent;text-decoration:underline;text-underline-offset:.2em;cursor:pointer}.sidebar-logout{color:#fff}.menu-toggle{display:none}.content-shell{max-width:96rem;margin-left:var(--sidebar-width);padding:2rem clamp(1.2rem,3vw,3rem) 3rem}
.guest{display:grid;min-height:100vh;grid-template-rows:auto 1fr;background:linear-gradient(145deg,#f8f8fb 0%,#eeecf9 100%)}.guest-header{display:flex;align-items:center;gap:1rem;padding:1rem clamp(1rem,4vw,3rem);color:var(--brand-primary);background:#fff;box-shadow:0 1px 10px #231c5b12;font-weight:700}.guest-header img{width:3.25rem;height:3.25rem;object-fit:contain}.guest .content-shell{width:min(100%,62rem);margin:0 auto;padding-top:clamp(2rem,8vh,5rem)}
.eyebrow{margin:0 0 .35rem;color:var(--brand-primary);font-size:.75rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.page-heading,.heading,.section-heading{display:flex;align-items:center;justify-content:space-between;gap:1.25rem;margin-bottom:1.5rem;flex-wrap:wrap}.page-heading p,.heading p{margin:.25rem 0 0;color:var(--muted)}
.panel,.card,.tank,.trace-event,.login-card{background:var(--surface);border:1px solid var(--line);border-radius:.8rem;box-shadow:0 1px 2px #2023310a;padding:1.25rem}.panel+.panel{margin-top:1rem}.login-card{max-width:28rem;margin:4vh auto;padding:1.7rem}.login-card form{display:grid;gap:1rem}.login-card h1{margin-top:0}.auth-card{max-width:29rem;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:.85rem;padding:clamp(1.4rem,4vw,2.2rem);box-shadow:0 18px 45px #2b225716}
.card-grid,.tank-grid,.cards,.stats-grid,.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));gap:1rem}.tank{display:block;color:inherit;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}.tank:hover{transform:translateY(-1px);border-color:#c7c1eb;box-shadow:0 6px 18px #31268212}.tank-title{font-size:1.15rem;font-weight:800;color:var(--brand-primary)}.tank-volume{margin:.55rem 0;font-variant-numeric:tabular-nums}.meter{height:.5rem;background:#eeeff3;border-radius:999px;overflow:hidden}.meter span{display:block;height:100%;background:var(--brand-primary)}.muted,.hint,small{color:var(--muted)}
.btn,.button{display:inline-flex;min-height:2.65rem;align-items:center;justify-content:center;border:1px solid #c9ccd4;border-radius:.55rem;padding:.65rem 1rem;background:#fff;color:var(--ink);text-decoration:none;font-weight:700;cursor:pointer}.btn.primary,.button{border-color:var(--brand-primary);color:#fff;background:var(--brand-primary)}.btn.primary:hover,.button:hover{background:var(--brand-dark)}.btn.big,.full-width{width:100%}.btn.danger-btn{border-color:#d9a2a2;color:var(--danger)}.install-button{margin-top:.65rem;border:1px solid #ffffff66;color:#fff;background:#ffffff12}.install-button:hover{background:#ffffff22}
label,.field{display:grid;gap:.35rem;font-weight:650}select,input,textarea{width:100%;border:1px solid #c9ccd4;border-radius:.5rem;padding:.68rem .75rem;color:var(--ink);background:#fff}input:focus,select:focus,textarea:focus{outline:3px solid #3126821c;border-color:var(--brand-primary)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.form-grid .full{grid-column:1/-1}.action-grid,.operations{display:grid;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr));gap:.65rem;margin-top:1rem}.source-row{display:grid;grid-template-columns:1.7fr 1fr auto;gap:.6rem;align-items:end;padding:.7rem 0;border-bottom:1px solid var(--line)}.remove{border:0;background:#eef0f5;border-radius:50%;width:2.4rem;height:2.4rem;font-size:1.25rem}
.message,.flash{padding:.8rem 1rem;border-radius:.55rem;margin:0 0 1rem;background:#eef0f5}.message.error,.flash.error{color:var(--danger);background:#fae8e8}.message.success,.flash.success{color:var(--success);background:#e4f4e9}.message.warning,.flash.warning{color:var(--warning);background:#fff2d9}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:.22rem .55rem;background:#eef0f5;color:var(--muted);font-size:.78rem;font-weight:750}.badge.success{color:var(--success);background:#e4f4e9}.badge.warning{color:var(--warning);background:#fff2d9}
.table-scroll{overflow:auto}.table-panel{padding:0}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:.72rem .8rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{position:sticky;top:0;background:#f8f8fb;color:#4b5260;font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}td small{display:block;margin-top:.2rem}.summary-grid article,.stats-grid article{display:grid;gap:.25rem;padding:1rem;border:1px solid var(--line);border-radius:.65rem;background:#fafafd}.summary-grid span,.stats-grid span{color:var(--muted);font-size:.8rem}.summary-grid strong,.stats-grid strong{font-size:1.05rem}.card-title,.metric-line,.contract-line,.line,.history-line{display:flex;align-items:center;justify-content:space-between;gap:.75rem}.contract-line,.line,.history-line{padding:.55rem 0;border-bottom:1px solid var(--line)}.history-line{text-decoration:none;color:inherit}.trace-date{font-size:.82rem;color:var(--muted);margin-bottom:.35rem}.trace-flows,.flow-columns{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin-top:.8rem}.trace-flows>div{background:#f8f8fb;padding:.75rem;border-radius:.55rem}.analysis{display:grid;grid-template-columns:10rem 1fr;gap:.6rem;padding:.55rem 0;border-bottom:1px solid var(--line)}.warning{color:var(--warning)}.danger{color:var(--danger)}.danger-zone{border-color:#d9a2a2}code{background:#eef0f5;padding:.15rem .35rem;border-radius:.25rem}
@media(max-width:52rem){.menu-toggle{position:sticky;top:0;z-index:30;display:flex;width:100%;min-height:3.4rem;align-items:center;gap:.55rem;border:0;padding:.75rem 1rem;color:#fff;background:var(--brand-primary);font-weight:750}.sidebar{width:min(82vw,18rem);transform:translateX(-105%);transition:transform .18s ease-out}.sidebar.open{transform:translateX(0)}.content-shell{margin-left:0;padding:1.25rem 1rem 2.5rem}.page-heading,.heading{align-items:flex-start;flex-direction:column}.form-grid,.trace-flows,.flow-columns{grid-template-columns:1fr}.source-row{grid-template-columns:1fr 7rem auto}}
@media(max-width:34rem){.guest-header span{font-size:.9rem}.tank-grid{grid-template-columns:1fr 1fr}.action-grid,.operations{grid-template-columns:1fr 1fr}.panel,.tank,.trace-event{padding:1rem}.analysis{grid-template-columns:1fr}}
@media print{.guest-header,.sidebar,.menu-toggle,.install-button{display:none!important}.content-shell,.guest .content-shell{width:100%;margin:0;padding:0}}
.auth-card form{display:grid;gap:1rem}