*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}.nav-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;padding:12px 20px;background:var(--surface);border:1px solid var(--border);border-radius:14px}.back-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:.9rem;color:var(--muted);background:transparent;border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:color .2s,border-color .2s,background .2s}.back-btn:hover{color:var(--text);border-color:var(--accent);background:var(--surface2)}.user-menu{display:flex;align-items:center;gap:16px}.username{font-size:.9rem;color:var(--muted)}.logout-btn{padding:6px 12px;font-size:.8rem;color:var(--text);background:var(--surface2);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:background .2s}.logout-btn:hover{background:var(--bg);border-color:var(--danger)}.login-page{display:flex;align-items:center;justify-content:center;min-height:80vh}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px;width:100%;max-width:400px;box-shadow:0 20px 50px #0000004d}.login-header{text-align:center;flex-direction:column;margin-bottom:32px}.login-header h1{margin-top:16px;font-size:1.8rem}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:.85rem;color:var(--muted);font-weight:500}.form-group input{padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:1rem;transition:border-color .2s}.form-group input:focus{outline:none;border-color:var(--accent)}.login-btn{margin-top:10px;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .2s,transform .1s}.login-btn:hover{opacity:.9}.login-btn:active{transform:scale(.98)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-error{background:#ef44441a;border:1px solid var(--danger);color:var(--danger);padding:12px;border-radius:10px;font-size:.85rem;text-align:center}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--muted)}.home-header{margin-bottom:32px}.tool-list{list-style:none;display:flex;flex-direction:column;gap:12px}.tool-card{display:flex;align-items:center;gap:16px;width:100%;padding:18px 20px;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:14px;color:var(--text);cursor:pointer;transition:border-color .2s,background .2s}.tool-card:hover{border-color:var(--accent);background:var(--surface2)}.tool-card-icon{font-size:1.8rem;flex-shrink:0}.tool-card-text{flex:1;display:flex;flex-direction:column;gap:4px}.tool-card-text strong{font-size:1rem}.tool-card-text span{font-size:.85rem;color:var(--muted)}.tool-card-arrow{font-size:1.2rem;color:var(--muted)}:root{--bg: #0f1117;--surface: #1a1d27;--surface2: #22263a;--accent: #4f8ef7;--accent2: #34d399;--warn: #f59e0b;--danger: #ef4444;--text: #e2e8f0;--muted: #64748b;--border: #2d3148}body{background:var(--bg);color:var(--text);font-family:Segoe UI,system-ui,sans-serif;min-height:100vh;padding:24px 16px;max-width:1100px;margin:0 auto}header{display:flex;align-items:center;gap:14px;margin-bottom:32px}.logo{width:42px;height:42px;background:var(--accent);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}header h1{font-size:1.4rem;font-weight:700}header p{font-size:.8rem;color:var(--muted);margin-top:2px}.status-badge{margin-left:auto;display:flex;align-items:center;gap:7px;font-size:.8rem;padding:6px 14px;border-radius:999px;background:var(--surface2);border:1px solid var(--border);white-space:nowrap}.dot{width:8px;height:8px;border-radius:50%;background:var(--muted);transition:background .3s}[data-status=live] .dot{background:var(--accent2);box-shadow:0 0 6px var(--accent2)}[data-status=error] .dot{background:var(--danger)}[data-status=connecting] .dot{background:var(--warn)}.error-banner{background:#ef44441f;border:1px solid var(--danger);color:var(--danger);border-radius:10px;padding:12px 16px;margin-bottom:20px;font-size:.85rem}.device-info{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 20px;margin-bottom:24px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:.82rem;color:var(--muted)}.device-info strong{color:var(--text)}.inline-error{color:var(--danger);font-size:.8rem}.toggle-btn{margin-left:auto;display:flex;align-items:center;gap:8px;padding:8px 20px;border-radius:999px;border:none;font-size:.9rem;font-weight:600;cursor:pointer;transition:background .2s,opacity .2s,transform .1s}.toggle-btn:active{transform:scale(.96)}.toggle-btn:disabled{opacity:1;cursor:not-allowed}.toggle-btn.on{background:var(--accent2);color:#0f1117}.toggle-btn.off{background:var(--surface2);color:var(--muted);border:1px solid var(--border)}.toggle-btn.loading{background:var(--surface2);color:var(--muted);border:1px solid var(--border);min-width:80px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:32px}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px 20px;position:relative;overflow:hidden;transition:border-color .3s}.card:hover{border-color:var(--accent)}.card-label{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}.card-value{font-size:2rem;font-weight:700;line-height:1}.card-unit{font-size:.9rem;color:var(--muted);margin-top:4px}.card-icon{position:absolute;top:18px;right:18px;font-size:1.5rem;opacity:.15}.card.power .card-value{color:var(--accent)}.card.voltage .card-value{color:var(--warn)}.card.current .card-value{color:var(--accent2)}.card.total .card-value{color:#a78bfa}.chart-section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:24px}.chart-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.chart-section h2{font-size:.9rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:0}.chart-range{display:flex;gap:6px;flex-wrap:wrap}.chart-range button{padding:6px 12px;font-size:.8rem;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer}.chart-range button:hover{background:var(--bg)}.chart-range button.active{background:var(--accent);border-color:var(--accent);color:#fff}.chart-custom{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:12px}.chart-custom label{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--muted)}.chart-custom input[type=datetime-local]{padding:6px 10px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:.85rem}.chart-loading{font-size:.85rem;color:var(--muted);margin-bottom:8px}.chart-canvas-wrap{position:relative}.chart-tooltip{position:fixed;z-index:100;padding:8px 12px;border-radius:8px;background:var(--surface);border:1px solid var(--border);box-shadow:0 4px 12px #00000026;font-size:.85rem;pointer-events:none;display:flex;flex-direction:column;gap:2px}.chart-tooltip-time{color:var(--muted)}.chart-tooltip-power{font-weight:600;color:var(--accent)}canvas{width:100%!important;display:block}.log-section{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}.log-section h2{font-size:.9rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.log-table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.82rem}th{text-align:left;padding:8px 12px;color:var(--muted);border-bottom:1px solid var(--border);font-weight:500}td{padding:8px 12px;border-bottom:1px solid var(--border);font-variant-numeric:tabular-nums}tr:last-child td{border-bottom:none}tr:hover td{background:var(--surface2)}.muted{color:var(--muted)}.oralb-header{flex-wrap:wrap}.refresh-btn{margin-left:auto;padding:8px 16px;font-size:.9rem;color:var(--accent);background:var(--surface2);border:1px solid var(--border);border-radius:10px;cursor:pointer;transition:color .2s,border-color .2s,background .2s}.refresh-btn:hover:not(:disabled){border-color:var(--accent);background:var(--surface)}.refresh-btn:disabled{opacity:.7;cursor:wait}.oralb-stats{display:flex;gap:16px;margin-bottom:28px}.stat-card{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px;display:flex;flex-direction:column;gap:4px}.stat-value{font-size:1.5rem;font-weight:700;color:var(--text)}.stat-label{font-size:.8rem;color:var(--muted)}.oralb-list-section{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:20px}.oralb-list-section h2{font-size:.9rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px}.oralb-events{list-style:none}.oralb-event{display:flex;align-items:center;gap:16px;padding:12px 0;border-bottom:1px solid var(--border);font-size:.9rem}.oralb-event:last-child{border-bottom:none}.oralb-event-date{color:var(--muted);min-width:140px}.oralb-event-duration{font-weight:600}.oralb-event-mode{font-size:.8rem;color:var(--muted)}.oralb-event-pressure{font-size:.8rem;color:var(--warn)}.oralb-event-pressure.ok{color:var(--accent2)}.oralb-event-quadrant,.oralb-event-battery{font-size:.8rem;color:var(--muted)}.oralb-delete-btn{margin-left:auto;background:transparent;border:none;cursor:pointer;font-size:1rem;padding:4px;opacity:.3;transition:opacity .2s}.oralb-delete-btn:hover{opacity:1}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{background:var(--surface);padding:24px;border-radius:16px;border:1px solid var(--border);max-width:400px;width:90%;text-align:center;box-shadow:0 10px 40px #0006}.modal-content h3{margin-bottom:12px}.modal-content p{margin-bottom:8px;font-size:.95rem}.modal-actions{display:flex;gap:12px;margin-top:24px;justify-content:center}.modal-actions button{padding:10px 20px;border-radius:10px;border:none;font-size:.9rem;font-weight:600;cursor:pointer}.cancel-btn{background:var(--surface2);color:var(--text);border:1px solid var(--border)!important}.delete-confirm-btn{background:var(--danger);color:#fff}