:root{--bg-base: #06090f;--bg-card: #0d131f;--bg-card-sub: #162032;--bg-card-hover: #1c2940;--bg-card-border: #223249;--border-focus: #3b82f6;--text-main: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--primary: #2563eb;--primary-hover: #1d4ed8;--primary-glow: rgba(37, 99, 235, .25);--accent-cyan: #06b6d4;--success: #10b981;--success-glow: rgba(16, 185, 129, .25);--warning: #f59e0b;--warning-glow: rgba(245, 158, 11, .25);--danger: #ef4444;--danger-hover: #dc2626;--danger-glow: rgba(239, 68, 68, .3);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-lg: 16px;--radius-md: 10px;--radius-sm: 6px;--shadow-card: 0 8px 32px rgba(0, 0, 0, .4)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--text-main);font-family:var(--font-family);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;position:relative;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;height:380px;background:radial-gradient(circle at 50% -20%,rgba(37,99,235,.15),transparent 70%);pointer-events:none;z-index:0}.app-layout{position:relative;z-index:1;max-width:980px;margin:0 auto;padding:16px 20px 60px}.app-header{display:flex;align-items:center;justify-content:space-between;padding:16px 0 24px;border-bottom:1px solid var(--bg-card-border);margin-bottom:28px}.brand{display:flex;align-items:center;gap:14px}.brand-icon{width:44px;height:44px;background:linear-gradient(135deg,#1d4ed8,#059669);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 16px #10b98133}.brand-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.brand-sub{font-size:.85rem;color:var(--text-muted)}.status-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:9999px;font-size:.85rem;font-weight:600;background-color:var(--bg-card-sub);border:1px solid var(--bg-card-border)}.status-indicator{width:8px;height:8px;border-radius:50%;background-color:var(--text-dim)}.status-badge.status-authenticated .status-indicator{background-color:var(--success);box-shadow:0 0 10px var(--success)}.status-badge.status-connecting .status-indicator,.status-badge.status-authenticating .status-indicator{background-color:var(--warning);box-shadow:0 0 8px var(--warning);animation:pulse-dot 1.2s infinite}.status-badge.status-error .status-indicator{background-color:var(--danger);box-shadow:0 0 8px var(--danger)}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}.fade-in{animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.stage-gateway{display:flex;justify-content:center;padding:20px 0}.gateway-card{width:100%;max-width:580px;background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow-card);position:relative;overflow:hidden}.gateway-hero{text-align:center;margin-bottom:28px}.radar-beacon{width:90px;height:90px;margin:0 auto 18px;position:relative;display:flex;align-items:center;justify-content:center}.radar-circle{position:absolute;border-radius:50%;border:1.5px solid var(--primary);opacity:.6;animation:radarRipple 3s cubic-bezier(.2,.8,.2,1) infinite}.circle-1{width:44px;height:44px;animation-delay:0s}.circle-2{width:68px;height:68px;animation-delay:1s}.circle-3{width:92px;height:92px;animation-delay:2s}@keyframes radarRipple{0%{transform:scale(.6);opacity:.8}to{transform:scale(1.3);opacity:0}}.beacon-center{width:48px;height:48px;background:linear-gradient(135deg,#1e3a8a,#2563eb);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;z-index:2;box-shadow:0 0 20px #2563eb66}.beacon-icon{width:24px;height:24px}.gateway-title{font-size:1.35rem;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}.gateway-subtitle{font-size:.88rem;color:var(--text-muted);max-width:420px;margin:0 auto}.env-warning-box{background-color:#f59e0b1f;border:1px solid rgba(245,158,11,.35);border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:flex-start;gap:12px;color:#fbbf24;font-size:.85rem;margin-bottom:24px}.env-warning-box svg{flex-shrink:0;width:20px;height:20px;margin-top:1px}.gateway-form{margin-bottom:28px}.form-group{margin-bottom:20px}.form-label-group{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.form-label-group label{font-size:.88rem;font-weight:600;color:var(--text-main)}.session-hint{font-size:.78rem;color:var(--text-dim)}.session-hint.active{color:var(--accent-cyan);font-weight:600}.input-wrapper{position:relative;display:flex;align-items:center}.input-control{width:100%;background-color:var(--bg-card-sub);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:12px 44px 12px 14px;color:var(--text-main);font-size:.95rem;font-family:var(--font-mono);outline:none;transition:border-color .2s,box-shadow .2s}.input-control:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--primary-glow)}.btn-toggle-pwd{position:absolute;right:10px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:6px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.btn-toggle-pwd:hover{color:var(--text-main)}.form-options{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:.82rem}.checkbox-label{display:flex;align-items:center;gap:8px;color:var(--text-muted);cursor:pointer;user-select:none}.checkbox-label input{accent-color:var(--primary);width:16px;height:16px;cursor:pointer}.btn-text-link{background:transparent;border:none;color:var(--danger);font-size:.8rem;cursor:pointer;text-decoration:underline;padding:0}.btn-text-link:hover{color:#fca5a5}.form-hint{font-size:.8rem;color:var(--text-dim);line-height:1.45;margin-top:10px}.gateway-actions{margin-top:24px}.btn-block{width:100%;justify-content:center}.gateway-features{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:24px;border-top:1px solid var(--bg-card-border)}.feature-item{display:flex;gap:10px;font-size:.8rem;color:var(--text-muted)}.feature-item svg{flex-shrink:0;width:18px;height:18px;color:var(--primary);margin-top:2px}.feature-item strong{display:block;color:var(--text-main);margin-bottom:2px}.stage-dashboard{display:flex;flex-direction:column;gap:24px}.dashboard-bar{display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:12px 18px}.device-pill{display:flex;align-items:center;gap:10px}.pulse-dot{width:10px;height:10px;border-radius:50%;background-color:var(--success);box-shadow:0 0 10px var(--success);animation:pulse-dot 1.5s infinite}.device-pill-title{font-weight:700;font-size:1rem}.device-pill-ver{font-size:.78rem;background-color:var(--bg-card-sub);color:var(--text-muted);padding:2px 8px;border-radius:9999px;font-family:var(--font-mono)}.dashboard-bar-actions{display:flex;align-items:center;gap:14px}.session-badge{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;color:var(--success);font-weight:600}.power-flow-card{background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:22px 24px}.flow-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.flow-title{display:flex;align-items:center;gap:10px;color:var(--text-main)}.flow-title svg{color:var(--accent-cyan)}.flow-title h3{font-size:1rem;font-weight:600}.flow-diagram{display:flex;align-items:center;justify-content:space-between;background-color:var(--bg-base);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:20px 24px;gap:12px}.flow-node{flex:1;background-color:var(--bg-card-sub);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:16px 12px;text-align:center;transition:all .3s ease}.flow-node.highlight{border-color:#2563eb80;box-shadow:0 0 16px #2563eb26}.node-icon{width:40px;height:40px;margin:0 auto 10px;border-radius:50%;background-color:var(--bg-card);display:flex;align-items:center;justify-content:center;color:var(--accent-cyan)}.flow-node.highlight .node-icon{background-color:#2563eb33;color:#60a5fa}.node-label{font-size:.85rem;font-weight:600;color:var(--text-main);margin-bottom:4px}.node-state{font-size:.78rem;color:var(--text-muted);font-family:var(--font-mono)}.flow-connector{display:flex;align-items:center;gap:4px;color:var(--text-dim)}.flow-line{width:32px;height:2px;background-color:var(--bg-card-border);transition:all .3s}.flow-connector.active .flow-line{background-color:var(--success);box-shadow:0 0 8px var(--success)}.flow-connector.active .connector-arrow{color:var(--success)}.telemetry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.metric-card{background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 4px 16px #0003;transition:transform .2s,border-color .2s}.metric-card:hover{border-color:#3b82f666;transform:translateY(-2px)}.metric-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.metric-label{font-size:.85rem;color:var(--text-muted);font-weight:500}.metric-icon{color:var(--text-dim);width:20px;height:20px}.metric-main{display:flex;align-items:baseline;gap:6px;margin-bottom:12px}.metric-value{font-size:2rem;font-weight:700;font-family:var(--font-mono);letter-spacing:-.03em;color:var(--text-main)}.metric-unit{font-size:1rem;color:var(--text-muted);font-weight:500}.metric-status-text{font-size:1.25rem;font-weight:700;color:var(--text-main)}.progress-bar-wrapper{height:8px;background-color:var(--bg-card-sub);border-radius:9999px;overflow:hidden;margin-bottom:12px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#2563eb,#10b981);border-radius:9999px;transition:width .4s ease}.metric-footer{display:flex;align-items:center;justify-content:space-between;font-size:.82rem}.metric-pct{font-family:var(--font-mono);font-weight:600;color:var(--text-muted)}.sub-label{color:var(--text-dim)}.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:9999px;font-size:.75rem;font-weight:600;background-color:var(--bg-card-sub);color:var(--text-muted)}.badge-primary{background-color:#2563eb33;color:#60a5fa;border:1px solid rgba(37,99,235,.3)}.badge-success{background-color:#10b98126;color:#34d399;border:1px solid rgba(16,185,129,.3)}.badge-warning{background-color:#f59e0b26;color:#fbbf24;border:1px solid rgba(245,158,11,.3)}.badge-danger{background-color:#ef444426;color:#f87171;border:1px solid rgba(239,68,68,.3)}.control-card{background-color:var(--bg-card);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-lg);padding:24px;box-shadow:0 4px 20px #ef444414}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.card-title-group{display:flex;align-items:center;gap:12px}.control-danger-icon{width:36px;height:36px;border-radius:var(--radius-md);background-color:#ef444426;color:var(--danger);display:flex;align-items:center;justify-content:center}.control-card-title{font-size:1.05rem;font-weight:700}.control-card-sub{font-size:.8rem;color:var(--text-muted)}.control-desc{font-size:.88rem;color:var(--text-muted);line-height:1.6;margin-bottom:20px}.control-desc strong{color:var(--text-main)}.control-actions{display:flex;justify-content:flex-start}.device-info-card{background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:20px 24px}.info-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.info-row{display:flex;flex-direction:column;gap:4px}.info-key{font-size:.78rem;color:var(--text-dim)}.info-val{font-size:.9rem;font-weight:600;color:var(--text-main);font-family:var(--font-mono)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;border:none;transition:all .2s ease;user-select:none}.btn-large{padding:13px 24px;font-size:.98rem}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff;box-shadow:0 4px 14px var(--primary-glow)}.btn-primary:hover{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 6px 18px #2563eb66}.btn-secondary{background-color:var(--bg-card-sub);color:var(--text-main);border:1px solid var(--bg-card-border)}.btn-secondary:hover{background-color:var(--bg-card-hover);border-color:#475569}.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;box-shadow:0 4px 14px var(--danger-glow)}.btn-danger:hover{background:linear-gradient(135deg,#f87171,#ef4444);box-shadow:0 6px 18px #ef444480}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}dialog.native-dialog{border:none;padding:0;background:transparent;color:var(--text-main);margin:auto;max-width:520px;width:90vw;border-radius:var(--radius-lg);overflow:visible}dialog.native-dialog::backdrop{background:#030712d1;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}dialog.native-dialog[open]{animation:modalScaleIn .25s cubic-bezier(.16,1,.3,1)}@keyframes modalScaleIn{0%{opacity:0;transform:scale(.92) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}.dialog-card{background-color:var(--bg-card);border:1px solid var(--bg-card-border);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:0 20px 48px #0009;position:relative}.dialog-header{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px}.dialog-icon-badge{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.dialog-icon-badge.warning{background-color:#f59e0b26;color:var(--warning)}.dialog-icon-badge.danger{background-color:#ef444426;color:var(--danger)}.dialog-header-text{flex:1}.dialog-title{font-size:1.18rem;font-weight:700;letter-spacing:-.01em}.dialog-subtitle{font-size:.8rem;color:var(--text-muted)}.dialog-close-btn{background:transparent;border:none;color:var(--text-dim);cursor:pointer;padding:4px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.dialog-close-btn:hover{color:var(--text-main);background-color:var(--bg-card-sub)}.dialog-body{margin-bottom:24px}.dialog-lead{font-size:.92rem;color:var(--text-main);line-height:1.55;margin-bottom:16px}.dialog-lead.error-lead{color:#fca5a5;font-weight:500}.reboot-spec-list{display:flex;flex-direction:column;gap:12px;background-color:var(--bg-card-sub);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:16px}.reboot-spec-item{display:flex;align-items:flex-start;gap:12px;font-size:.82rem}.spec-bullet{width:8px;height:8px;border-radius:50%;margin-top:5px;flex-shrink:0}.spec-bullet.warning{background-color:var(--warning);box-shadow:0 0 6px var(--warning)}.spec-bullet.success{background-color:var(--success);box-shadow:0 0 6px var(--success)}.spec-bullet.primary{background-color:var(--primary);box-shadow:0 0 6px var(--primary)}.reboot-spec-item strong{display:block;color:var(--text-main);margin-bottom:2px}.reboot-spec-item p{color:var(--text-muted);line-height:1.4}.dialog-footer{display:flex;align-items:center;justify-content:flex-end;gap:12px}.countdown-stage{text-align:center;padding:16px 0}.countdown-dial{width:96px;height:96px;border-radius:50%;border:3px solid var(--danger);margin:0 auto 16px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 0 24px #ef444459;animation:pulse-ring 1s infinite alternate}@keyframes pulse-ring{0%{transform:scale(.98)}to{transform:scale(1.02)}}.countdown-val{font-size:2.4rem;font-weight:800;font-family:var(--font-mono);color:var(--danger);line-height:1}.countdown-unit{font-size:.8rem;color:var(--text-muted)}.countdown-title{font-size:1.1rem;font-weight:700;margin-bottom:6px}.countdown-desc{font-size:.85rem;color:var(--text-muted);max-width:380px;margin:0 auto 20px}.countdown-meter{height:8px;background-color:var(--bg-card-sub);border-radius:9999px;overflow:hidden}.countdown-meter-fill{height:100%;background:linear-gradient(90deg,#ef4444,#f59e0b);transition:width 1s linear}.reboot-done-stage{text-align:center;padding:16px 0}.done-icon-wrap{width:56px;height:56px;border-radius:50%;background-color:#10b98133;color:var(--success);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.done-icon-wrap svg{width:32px;height:32px}.reboot-done-stage h4{font-size:1.2rem;font-weight:700;margin-bottom:8px;color:var(--success)}.reboot-done-stage p{font-size:.88rem;color:var(--text-muted);line-height:1.5}.error-troubleshoot-box{background-color:var(--bg-card-sub);border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:14px 16px;margin-bottom:16px}.troubleshoot-title{display:flex;align-items:center;gap:8px;color:var(--accent-cyan);font-size:.85rem;font-weight:600;margin-bottom:8px}.troubleshoot-list{padding-left:20px;font-size:.82rem;color:var(--text-muted);line-height:1.6}.error-details-collapsible{margin-top:12px;font-size:.8rem}.error-details-collapsible summary{color:var(--text-dim);cursor:pointer;user-select:none;margin-bottom:8px}.error-details-collapsible summary:hover{color:var(--text-muted)}.error-pre{background-color:#030712;border:1px solid var(--bg-card-border);border-radius:var(--radius-sm);padding:10px 12px;color:#f87171;font-family:var(--font-mono);font-size:.75rem;overflow-x:auto;max-height:140px}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;gap:12px;background-color:#0f172a;border:1px solid var(--bg-card-border);border-radius:var(--radius-md);padding:12px 16px;color:var(--text-main);box-shadow:0 10px 28px #00000080;font-size:.88rem;max-width:380px;opacity:0;transform:translate(30px);transition:opacity .25s ease,transform .25s ease}.toast.toast-visible{opacity:1;transform:translate(0)}.toast.toast-hiding{opacity:0;transform:translate(30px)}.toast-icon{flex-shrink:0;display:flex;align-items:center}.toast-icon svg{width:20px;height:20px}.toast-success{border-color:#10b98166}.toast-success .toast-icon{color:var(--success)}.toast-error{border-color:#ef444466}.toast-error .toast-icon{color:var(--danger)}.toast-warning{border-color:#f59e0b66}.toast-warning .toast-icon{color:var(--warning)}.toast-info{border-color:#3b82f666}.toast-info .toast-icon{color:#60a5fa}.toast-body{flex:1}.toast-close{background:transparent;border:none;color:var(--text-dim);cursor:pointer;padding:2px;display:flex;align-items:center}.toast-close:hover{color:var(--text-main)}@media(max-width:640px){.app-layout{padding:12px 16px 40px}.app-header{flex-direction:column;align-items:flex-start;gap:12px}.gateway-card{padding:24px 20px}.gateway-features{grid-template-columns:1fr}.flow-diagram{flex-direction:column;padding:16px}.flow-node{width:100%}.flow-connector{transform:rotate(90deg);margin:8px 0}.dashboard-bar{flex-direction:column;align-items:flex-start;gap:12px}.toast-container{left:16px;right:16px;top:16px}.toast{max-width:100%}}