:root{color-scheme:dark;--bg: #0b1117;--surface: #131b24;--surface-2: #1c2732;--text: #d1dce8;--muted: #8a9ab0;--accent: #2ec4b6;--warning: #f4a261;--critical: #e76f51;--good: #2a9d8f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}.app{min-height:100vh;padding:1rem}.app-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--surface-2)}.app-header h1{margin:0;font-size:1.5rem}.header-controls{display:flex;align-items:center;gap:1rem}.tank-selector{background:#2a3441;color:#e2e8f0;border:1px solid #475569;border-radius:6px;padding:.35rem .75rem;font-size:.95rem}.badge{padding:.25rem .5rem;border-radius:4px;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600}.badge.advisory{background:var(--surface-2);color:var(--accent);border:1px solid var(--accent)}.overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}.param-card{background:var(--surface);border:1px solid var(--surface-2);border-radius:8px;padding:1rem}.param-card h3{margin:0 0 .5rem;color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}.param-value{font-size:2.5rem;font-weight:700;margin:0}.param-meta{margin-top:.5rem;font-size:.8rem;color:var(--muted)}.status-ok{color:var(--good)}.status-stale{color:var(--warning)}.status-missing{color:var(--critical)}.quality-badge{margin-left:.5rem;padding:.1rem .4rem;border:1px solid var(--warning);border-radius:4px;color:var(--warning);font-size:.65rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;vertical-align:middle}.param-value-suspect{color:var(--muted);text-decoration:line-through solid var(--warning) 2px}.quality-note{color:var(--warning)}.alert-panel{margin-top:1.5rem;background:var(--surface);border:1px solid var(--surface-2);border-radius:8px;padding:1rem}.alert-panel h2{margin:0 0 .5rem;font-size:1rem}.camera-card{margin-top:1.5rem;background:var(--surface);border:1px solid var(--surface-2);border-radius:8px;padding:1rem}.camera-placeholder{width:100%;max-width:320px;aspect-ratio:16 / 9;background:var(--surface-2);display:flex;align-items:center;justify-content:center;color:var(--muted);border-radius:4px;margin-top:.5rem}.loading,.error,.stale{padding:1rem;border-radius:8px;background:var(--surface);margin-bottom:1rem}.error{border-left:4px solid var(--critical)}.stale{border-left:4px solid var(--warning)}.logout-button{background:var(--surface-2);color:var(--text);border:1px solid #475569;border-radius:6px;padding:.35rem .75rem;font-size:.85rem;cursor:pointer}.logout-button:hover{border-color:var(--accent);color:var(--accent)}.copy-btn{background:var(--surface-2);color:var(--text);border:1px solid #475569;border-radius:6px;padding:.35rem .75rem;font-size:.85rem;cursor:pointer}.copy-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.copy-btn:disabled{opacity:.6;cursor:default}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.login-form{width:100%;max-width:360px;background:var(--surface);border:1px solid var(--surface-2);border-radius:12px;padding:2rem;display:flex;flex-direction:column;gap:1rem}.login-form h1{margin:0;font-size:1.75rem;text-align:center}.login-subtitle{margin:0;text-align:center;color:var(--muted);font-size:.9rem}.login-form label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}.login-form input{background:var(--surface-2);border:1px solid #475569;border-radius:6px;padding:.6rem .75rem;color:var(--text);font-size:1rem}.login-form input:focus{outline:none;border-color:var(--accent)}.login-form button{margin-top:.5rem;background:var(--accent);color:#04211e;border:none;border-radius:6px;padding:.7rem;font-size:1rem;font-weight:600;cursor:pointer}.login-form button:disabled{opacity:.6;cursor:default}.login-error{margin:0;color:var(--critical);font-size:.85rem;text-align:center}