*{box-sizing:border-box}body{color:#f8fcfc;background:#06151b;margin:0;font:16px/1.6 Manrope,Arial,sans-serif}a{color:#64e5dd}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{outline-offset:4px}h1,h2,h3{line-height:1.2}h1{letter-spacing:-.04em;margin:.5rem 0 1rem;font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:1.65rem}h3{font-size:1.15rem}.portal-nav{border-bottom:1px solid #23434e;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;padding:20px max(5vw,20px);display:flex}.portal-nav>div{gap:24px;display:flex}.portal-brand img{object-fit:contain;width:150px;height:72px}.portal-main{max-width:1250px;margin:auto;padding:48px 24px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:#64e5dd;font-size:.875rem;font-weight:700}.lede,.muted,small{color:#adc9cf}.lede{max-width:750px;font-size:1.125rem}.portal-tabs{border-bottom:1px solid #23434e;flex-wrap:wrap;gap:24px;margin:28px 0 40px;padding-bottom:20px;display:flex}.section-heading{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}section[id]{margin-bottom:40px;scroll-margin-top:24px}.manage-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:16px;display:grid}.panel,.empty-card,.visit,.tank-card{background:#09232d;border:1px solid #284650;border-radius:12px;padding:24px}.panel{margin-bottom:16px}summary{cursor:pointer;color:#91eee7;font-weight:700}details[open]>summary{margin-bottom:20px}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.full{grid-column:1/-1}label{gap:7px;font-size:1rem;display:grid}input,select,textarea{color:#f8fcfc;background:#061820;border:1px solid #4a6974;border-radius:6px;width:100%;min-width:0;padding:11px 12px}textarea{resize:vertical;min-height:105px}input[type=checkbox]{width:auto}input[type=file]{max-width:100%;font-size:.875rem}input[type=datetime-local]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.button{color:#05242b;cursor:pointer;background:#64e5dd;border:0;border-radius:6px;justify-content:center;align-items:center;padding:12px 20px;font-weight:700;text-decoration:none;display:inline-flex}.button:disabled{opacity:.55;cursor:wait}.form-error{color:#ffbaba}.visit{grid-template-columns:minmax(0,1fr) minmax(0,.65fr);gap:24px;margin-bottom:16px;display:grid}.visit:not(:has(.visit-actions)){grid-template-columns:1fr}.badge{border:1px solid #568088;border-radius:30px;padding:4px 12px;font-size:.875rem}.badge.scheduled{color:#96ede6}.badge.completed{color:#b8e4be}.badge.cancelled{color:#e9b9b9}.tank-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.tank-card{min-width:0}.tank-card header{border-bottom:1px solid #284650;padding-bottom:12px}.tank-card dl>div{padding:12px 0}.tank-card dt{color:#9ddfdc;font-weight:700}.tank-card dd{margin:4px 0}.tank-update{border-top:1px solid #284650;margin-top:24px;padding-top:20px}.tank-update img{object-fit:contain;background:#041017;border-radius:8px;width:100%;max-height:420px}.readings{background:#113540;border-radius:6px;padding:16px}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.portal-footer{border-top:1px solid #284650;flex-wrap:wrap;gap:24px;padding-top:24px;display:flex}.signin-card{background:#09232d;border:1px solid #284650;border-radius:12px;max-width:620px;margin:60px auto;padding:32px}.email-auth-form{gap:20px;display:grid}.auth-terms{align-items:flex-start;gap:12px;display:flex}.auth-terms input{margin-top:7px}.auth-links{flex-wrap:wrap;gap:20px;display:flex}.auth-links button{color:#64e5dd;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.auth-feedback{overflow-wrap:anywhere}.signin-button{width:100%}small{font-size:.875rem}p,a{overflow-wrap:anywhere}@media (max-width:900px){.manage-grid,.tank-grid,.visit{grid-template-columns:1fr}}@media (max-width:540px){.form-grid{grid-template-columns:1fr}.portal-main{padding:30px 16px}.panel,.tank-card,.visit,.empty-card{padding:20px}.signin-card{margin:24px 16px;padding:24px}.portal-tabs{gap:16px}.portal-nav{padding:16px}}