:root{--bg-canvas:#090a0f;--bg-surface:#10131c;--bg-surface-elevated:#161a26;--bg-surface-hover:#1c2232;--border-hairline:#ffffff14;--border-subtle:#ffffff24;--border-focus:#38bdf88c;--fg-primary:#f8fafc;--fg-secondary:#cbd5e1;--fg-muted:#8492a6;--fg-subtle:#4e5b70;--signal-cyan:#38bdf8;--signal-cyan-soft:#38bdf81f;--signal-cyan-glow:#38bdf847;--signal-emerald:#10b981;--signal-emerald-soft:#10b9811f;--signal-rose:#f43f5e;--signal-rose-soft:#f43f5e1f;--signal-amber:#f59e0b;--signal-amber-soft:#f59e0b1f;--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;--font-mono:ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;--ease-spring:cubic-bezier(.16, 1, .3, 1);--ease-snappy:cubic-bezier(.2, .8, .2, 1);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--radius-xl:24px;--radius-full:9999px;--shadow-subtle:0 4px 20px -2px #00000080;--shadow-elevated:0 16px 40px -8px #000000a6, 0 0 0 1px var(--border-hairline);--shadow-floating:0 24px 56px -12px #000000bf, 0 0 0 1px var(--border-subtle)}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-canvas);color:var(--fg-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;-moz-text-size-adjust:100%;text-size-adjust:100%;touch-action:manipulation;min-height:100%;overflow-x:hidden}#app{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}input,select,textarea{font-size:max(16px,1em)}@media (pointer:coarse){button,[role=button],.settings-action-row,input[type=checkbox]{min-height:44px}input[type=checkbox]{min-width:24px}}:focus-visible{outline:2px solid var(--signal-cyan);outline-offset:2px}#app{flex-direction:column;min-height:100dvh;display:flex}.neardrop-app{background:radial-gradient(circle at 50% 38%,#111624 0%,#090a0f 72%);flex-direction:column;min-height:100dvh;display:flex;position:relative}.app-topbar{border-bottom:1px solid var(--border-hairline);-webkit-backdrop-filter:blur(16px);z-index:25;background:#090a0fc7;justify-content:space-between;align-items:center;gap:16px;padding:14px 24px;display:flex}.brand-group{align-items:center;gap:14px;display:flex}.logo-mark{-webkit-user-select:none;user-select:none;align-items:center;gap:9px;text-decoration:none;display:flex}.logo-radar-ring{border:1.5px solid var(--signal-cyan);border-radius:50%;justify-content:center;align-items:center;width:14px;height:14px;display:flex;position:relative}.logo-radar-core{background:var(--signal-cyan);width:5px;height:5px;box-shadow:0 0 8px var(--signal-cyan);border-radius:50%}.logo-text{letter-spacing:-.025em;color:var(--fg-primary);font-size:18px;font-weight:700}.status-indicator-wrap{color:var(--fg-muted);align-items:center;gap:6px;font-size:12px;display:flex}.status-beacon{border-radius:50%;flex-shrink:0;width:7px;height:7px;transition:background-color .3s}.status-beacon.online{background:var(--signal-emerald);animation:beacon-pulse 3s infinite var(--ease-spring);box-shadow:0 0 8px #10b98199}.status-beacon.connecting{background:var(--signal-amber);animation:1.8s ease-in-out infinite beacon-pulse;box-shadow:0 0 8px #f59e0b80}.status-beacon.offline{background:var(--signal-rose);box-shadow:0 0 8px #f43f5e80}.status-label-text{letter-spacing:-.01em;font-size:11.5px;font-weight:500}@keyframes beacon-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}.device-identity-trigger{border:1px solid var(--border-hairline);border-radius:var(--radius-full);color:var(--fg-secondary);cursor:pointer;transition:all .18s var(--ease-spring);background:#ffffff08;align-items:center;gap:7px;max-width:260px;padding:6px 14px;font-size:13px;display:flex}.device-identity-trigger:hover{border-color:var(--border-subtle);color:var(--fg-primary);background:#ffffff12;transform:translateY(-1px)}.device-label-prefix{color:var(--fg-muted);font-size:12px}.device-label-name{color:var(--fg-primary);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.device-edit-icon{color:var(--fg-muted);flex-shrink:0;transition:color .15s}.device-identity-trigger:hover .device-edit-icon{color:var(--signal-cyan)}.topbar-right-actions{align-items:center;gap:10px;display:flex}.active-room-indicator{background:var(--signal-cyan-soft);color:var(--signal-cyan);border-radius:var(--radius-full);cursor:pointer;transition:all .18s var(--ease-spring);border:1px solid #38bdf84d;align-items:center;gap:7px;padding:6px 12px;font-size:12px;font-weight:600;display:flex}.active-room-indicator:hover{border-color:var(--signal-cyan);background:#38bdf833;transform:translateY(-1px)}.room-indicator-dot{background:var(--signal-cyan);border-radius:50%;width:6px;height:6px}.btn-icon-minimal{color:var(--fg-muted);cursor:pointer;border-radius:var(--radius-full);transition:all .18s var(--ease-spring);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:7px;display:flex}.btn-icon-minimal:hover{color:var(--fg-primary);border-color:var(--border-hairline);background:#ffffff0f;transform:translateY(-1px)}.app-main{flex-direction:column;flex:1;display:flex;position:relative;overflow:hidden}.discovery-canvas{-webkit-user-select:none;user-select:none;flex:1;justify-content:center;align-items:center;padding:24px;display:flex;position:relative}.radar-viewport{aspect-ratio:1;z-index:2;width:min(86vw,540px);transition:transform .35s var(--ease-spring);justify-content:center;align-items:center;display:flex;position:relative}.discovery-canvas.dragging-active .radar-viewport{transform:scale(.97)}.radar-grid-layer{pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.radar-crosshair{pointer-events:none;background:#ffffff0d;position:absolute}.crosshair-x{height:1px;left:0;right:0}.crosshair-y{width:1px;top:0;bottom:0}.radar-ring{pointer-events:none;transition:all .35s var(--ease-spring);border:1px solid #ffffff0f;border-radius:50%;position:absolute}.ring-inner{width:35%;height:35%}.ring-middle{width:68%;height:68%}.ring-outer{width:98%;height:98%}.discovery-canvas.dragging-active .radar-ring{border-style:dashed;border-color:#38bdf840}.radar-scanner{pointer-events:none;border-radius:50%;width:98%;height:98%;animation:8s linear infinite radar-sweep;position:absolute;overflow:hidden}.discovery-canvas.dragging-active .radar-scanner{animation-duration:3.5s}.radar-sweep-beam{filter:blur(2px);background:conic-gradient(#38bdf824 0deg,#38bdf80a 38deg,#0000 85deg 360deg);border-radius:50%;position:absolute;inset:0}@keyframes radar-sweep{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.radar-harmonic-ripple{border:1px solid var(--signal-cyan);pointer-events:none;animation:harmonic-pulse 5s var(--ease-spring) infinite;border-radius:50%;position:absolute}.ripple-1{animation-delay:0s}.ripple-2{animation-delay:2.5s}@keyframes harmonic-pulse{0%{opacity:.6;border-width:1.5px;width:72px;height:72px;box-shadow:0 0 12px #38bdf866}70%{opacity:.15;border-width:1px}to{opacity:0;width:96%;height:96%;box-shadow:none}}.self-device-anchor{text-align:center;z-index:10;pointer-events:none;flex-direction:column;align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.self-device-halo{background:radial-gradient(circle,#38bdf82e 0%,#0000 70%);border-radius:50%;width:90px;height:90px;animation:4s ease-in-out infinite halo-breathe;position:absolute}@keyframes halo-breathe{0%,to{opacity:.4;transform:scale(.9)}50%{opacity:.85;transform:scale(1.15)}}.self-device-circle{background:var(--bg-surface-elevated);border:1.5px solid var(--border-subtle);width:72px;height:72px;color:var(--signal-cyan);z-index:2;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative;box-shadow:0 8px 30px #0009,0 0 0 1px #ffffff0d}.self-device-icon{stroke-width:1.8px;filter:drop-shadow(0 2px 8px #38bdf859)}.self-device-text{flex-direction:column;align-items:center;gap:2px;margin-top:10px;display:flex}.self-device-name{color:var(--fg-primary);text-overflow:ellipsis;white-space:nowrap;max-width:130px;font-size:13.5px;font-weight:600;overflow:hidden}.self-device-type{color:var(--fg-muted);font-size:11.5px}.peer-card-node{cursor:pointer;z-index:15;border-radius:var(--radius-lg);-webkit-tap-highlight-color:transparent;animation:peer-spring-in .45s var(--ease-spring) backwards;transition:transform .22s var(--ease-spring);background:0 0;border:none;outline:none;flex-direction:column;align-items:center;padding:8px;display:flex;position:absolute;transform:translate(-50%,-50%)}@keyframes peer-spring-in{0%{opacity:0;transform:translate(-50%,-50%)scale(.7)}70%{transform:translate(-50%,-50%)scale(1.05)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}.peer-card-node:hover,.peer-card-node.hovered{transform:translate(-50%,calc(-50% - 4px))scale(1.06)}.peer-card-node:active{transform:translate(-50%,-50%)scale(.96)}.peer-discovery-ping{border:1.5px solid var(--signal-cyan);pointer-events:none;width:72px;height:72px;animation:ping-wave 1.6s var(--ease-spring) forwards;border-radius:50%;position:absolute;top:12px}@keyframes ping-wave{0%{opacity:.9;transform:scale(.85)}to{opacity:0;transform:scale(1.85)}}.peer-avatar-wrapper{justify-content:center;align-items:center;width:76px;height:76px;display:flex;position:relative}.peer-avatar-circle{background:var(--bg-surface-elevated);width:68px;height:68px;color:var(--signal-cyan);transition:all .22s var(--ease-spring);border:1.5px solid #38bdf859;border-radius:50%;justify-content:center;align-items:center;display:flex;position:relative;box-shadow:0 10px 28px #0009,0 0 18px #38bdf82e}.peer-card-node:hover .peer-avatar-circle{border-color:var(--signal-cyan);color:#7dd3fc;background:#182030;box-shadow:0 14px 36px #000000b3,0 0 28px #38bdf859}.peer-badge-paired{background:var(--signal-emerald);color:#022616;border:2px solid var(--bg-canvas);border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;font-size:11px;font-weight:800;display:flex;position:absolute;top:0;right:0;box-shadow:0 2px 6px #0006}.peer-badge-tab{color:#7dd3fc;border-radius:var(--radius-full);letter-spacing:.03em;text-transform:uppercase;background:#38bdf833;border:1px solid #38bdf873;justify-content:center;align-items:center;padding:1px 6px;font-size:9.5px;font-weight:700;display:flex;position:absolute;top:0;right:-4px;box-shadow:0 2px 6px #0006}.peer-progress-ring{pointer-events:none;width:76px;height:76px;position:absolute;inset:0;transform:rotate(-90deg)}.peer-progress-ring .ring-bg{fill:none;stroke:#ffffff14;stroke-width:4px}.peer-progress-ring .ring-fill{fill:none;stroke:var(--signal-cyan);stroke-width:4px;stroke-linecap:round;stroke-dasharray:213.6;transition:stroke-dashoffset .2s linear}.peer-card-labels{text-align:center;flex-direction:column;align-items:center;margin-top:8px;display:flex}.peer-card-name{color:var(--fg-primary);text-overflow:ellipsis;white-space:nowrap;letter-spacing:-.01em;max-width:120px;font-size:13.5px;font-weight:600;transition:color .15s;overflow:hidden}.peer-card-node:hover .peer-card-name{color:var(--signal-cyan)}.peer-card-action{color:var(--fg-muted);margin-top:2px;font-size:11px;font-weight:500;transition:color .15s}.peer-card-node:hover .peer-card-action{color:var(--fg-secondary)}.discovery-empty-state{text-align:center;z-index:5;pointer-events:none;flex-direction:column;justify-content:flex-start;align-items:center;padding:calc(50% + 84px) 32px 0;display:flex;position:absolute;inset:0}.empty-status-beacon{border:1px solid var(--border-hairline);border-radius:var(--radius-full);background:#ffffff0a;align-items:center;gap:8px;margin-bottom:14px;padding:6px 14px;display:inline-flex}.empty-status-dot{background:var(--signal-cyan);width:7px;height:7px;box-shadow:0 0 8px var(--signal-cyan);border-radius:50%;animation:2s ease-in-out infinite beacon-pulse}.empty-status-text{color:var(--fg-secondary);letter-spacing:-.01em;font-size:12.5px;font-weight:500}.empty-desc{color:var(--fg-muted);max-width:310px;margin-bottom:22px;font-size:13.5px;line-height:1.5}.empty-actions-row{pointer-events:auto;flex-direction:column;align-items:center;gap:12px;display:flex}.btn-choose-files{background:var(--signal-cyan);color:#041f38;border-radius:var(--radius-full);cursor:pointer;transition:all .2s var(--ease-spring);border:none;align-items:center;gap:8px;min-height:44px;padding:12px 24px;font-size:14px;font-weight:600;display:inline-flex;box-shadow:0 6px 20px #38bdf859}.btn-choose-files:hover{background:#7dd3fc;transform:translateY(-2px);box-shadow:0 10px 28px #38bdf873}.btn-choose-files:active{transform:translateY(0)}.btn-room-hint{color:var(--fg-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;align-items:center;gap:6px;padding:6px 10px;font-size:12px;font-weight:500;transition:color .15s;display:inline-flex}.btn-room-hint:hover{color:var(--fg-primary)}.staged-banner{border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-full);z-index:20;box-shadow:var(--shadow-elevated);max-width:min(92vw,480px);animation:slide-down .28s var(--ease-spring);background:#161a26f0;justify-content:space-between;align-items:center;gap:14px;padding:8px 16px 8px 14px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%)}.staged-banner-info{align-items:center;gap:10px;font-size:13px;display:flex}.staged-icon-wrap{color:var(--signal-cyan);justify-content:center;align-items:center;display:flex}.staged-text-group{white-space:nowrap;text-overflow:ellipsis;align-items:baseline;gap:6px;display:flex;overflow:hidden}.staged-count{color:var(--fg-primary);font-weight:600}.staged-size{color:var(--fg-muted);font-size:12px}.staged-clear-btn{color:var(--fg-muted);cursor:pointer;background:#ffffff14;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;transition:all .15s;display:flex}.staged-clear-btn:hover{color:var(--fg-primary);background:#ffffff29}.drag-overlay{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:40;pointer-events:none;animation:fade-in .2s var(--ease-spring);background:#090a0fe0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.drag-overlay-box{border:1.5px dashed var(--signal-cyan);border-radius:var(--radius-xl);text-align:center;background:#38bdf80f;flex-direction:column;align-items:center;gap:12px;padding:44px 64px;display:flex;box-shadow:0 0 40px #38bdf826}.drag-icon-wrap{color:var(--signal-cyan);animation:bounce-subtle 1.8s infinite var(--ease-spring)}@keyframes bounce-subtle{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.drag-title{color:var(--fg-primary);font-size:19px;font-weight:600}.drag-subtitle{color:var(--fg-muted);font-size:13.5px}.active-transfer-card{bottom:calc(58px + env(safe-area-inset-bottom));background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);border-radius:var(--radius-lg);width:min(92vw,440px);box-shadow:var(--shadow-floating);z-index:35;animation:slide-up .3s var(--ease-spring);padding:16px 20px;position:fixed;left:50%;transform:translate(-50%)}.active-transfer-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.active-transfer-lead{align-items:center;gap:8px;display:flex}.active-pulse-dot{background:var(--signal-cyan);width:8px;height:8px;box-shadow:0 0 10px var(--signal-cyan);border-radius:50%;animation:1.6s ease-in-out infinite beacon-pulse}.active-transfer-title{color:var(--fg-primary);letter-spacing:-.01em;font-size:14.5px;font-weight:600}.btn-stop-text{background:var(--signal-rose-soft);color:#fb7185;border-radius:var(--radius-full);cursor:pointer;border:1px solid #f43f5e40;padding:4px 12px;font-size:12px;font-weight:600;transition:all .15s}.btn-stop-text:hover{color:#fff;background:#f43f5e38}.active-files-summary{color:var(--fg-secondary);margin-bottom:12px;font-size:13px}.file-name-truncate{text-overflow:ellipsis;white-space:nowrap;display:block;overflow:hidden}.active-progress-track{border-radius:var(--radius-full);background:#ffffff14;height:6px;margin-bottom:10px;position:relative;overflow:hidden}.active-progress-fill{border-radius:var(--radius-full);background:linear-gradient(90deg,#38bdf8 0%,#10b981 100%);height:100%;transition:width .25s linear;position:relative;overflow:hidden}.active-progress-fill:after{content:"";background:linear-gradient(90deg,#0000 0%,#ffffff59 50%,#0000 100%);animation:1.8s linear infinite shimmer-sweep;position:absolute;inset:0}@keyframes shimmer-sweep{0%{transform:translate(-100%)}to{transform:translate(200%)}}.active-metrics-row{font-variant-numeric:tabular-nums;justify-content:space-between;align-items:center;font-size:12px;font-weight:500;display:flex}.active-percentage{color:var(--signal-cyan);font-weight:600}.active-bytes{color:var(--fg-muted)}.active-eta-row{color:var(--fg-muted);margin-top:4px;font-size:12px}.sheet-backdrop{-webkit-backdrop-filter:blur(10px);z-index:50;animation:fade-in .2s var(--ease-spring);background:#040508c7;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.sheet-card{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);width:min(94vw,440px);box-shadow:var(--shadow-floating);animation:scale-up .28s var(--ease-spring);flex-direction:column;max-height:88dvh;padding:24px;display:flex}@keyframes scale-up{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slide-up{0%{opacity:0;transform:translate(-50%,28px)}to{opacity:1;transform:translate(-50%)}}@keyframes slide-down{0%{opacity:0;transform:translate(-50%,-18px)}to{opacity:1;transform:translate(-50%)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.sheet-header{margin-bottom:14px}.recipient-badge{color:var(--fg-primary);align-items:center;gap:10px;font-size:16px;display:flex}.recipient-badge strong{color:var(--signal-cyan)}.device-sub{color:var(--fg-muted);margin-left:32px;font-size:12px;display:block}.file-summary-bar{border-bottom:1px solid var(--border-hairline);align-items:baseline;gap:6px;margin-bottom:14px;padding-bottom:10px;display:flex}.summary-count{color:var(--fg-primary);font-size:14px;font-weight:600}.summary-size{color:var(--fg-muted);font-size:12.5px}.filelist-preview{flex-direction:column;gap:8px;margin-bottom:20px;padding-right:4px;display:flex;overflow-y:auto}.file-preview-row{background:var(--bg-surface);border:1px solid var(--border-hairline);border-radius:var(--radius-md);align-items:center;gap:12px;padding:10px 12px;transition:border-color .15s;display:flex}.file-preview-row:hover{border-color:var(--border-subtle)}.file-thumb{border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;width:38px;height:38px}.file-icon-box{border-radius:var(--radius-sm);width:38px;height:38px;color:var(--signal-cyan);background:#ffffff0a;flex-shrink:0;justify-content:center;align-items:center;display:flex}.file-preview-info{flex-direction:column;flex:1;min-width:0;display:flex}.file-preview-name{color:var(--fg-primary);text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:500;overflow:hidden}.file-preview-size{color:var(--fg-muted);margin-top:2px;font-size:11px}.sheet-actions{gap:12px;margin-top:auto;display:flex}.btn-primary-send{background:var(--signal-emerald);color:#022c1b;border-radius:var(--radius-md);cursor:pointer;transition:all .18s var(--ease-spring);border:none;flex:1;min-height:46px;padding:12px 20px;font-size:15px;font-weight:600;box-shadow:0 4px 16px #10b9814d}.btn-primary-send:hover{background:#34d399;transform:translateY(-1px);box-shadow:0 8px 22px #10b98166}.btn-primary-send:active{transform:translateY(0)}.btn-cancel{color:var(--fg-secondary);border:1px solid var(--border-hairline);border-radius:var(--radius-md);cursor:pointer;background:#ffffff0d;min-height:46px;padding:12px 18px;font-size:14.5px;font-weight:500;transition:all .15s}.btn-cancel:hover{color:var(--fg-primary);border-color:var(--border-subtle);background:#ffffff1a}.incoming-card{border-color:#38bdf84d}.incoming-header{text-align:center;margin-bottom:16px}.incoming-avatar-circle{background:var(--signal-cyan-soft);width:58px;height:58px;color:var(--signal-cyan);border:1px solid #38bdf859;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 14px;display:flex;box-shadow:0 0 24px #38bdf833}.incoming-title{color:var(--fg-primary);margin-bottom:4px;font-size:16.5px;font-weight:600}.incoming-title strong{color:var(--signal-cyan)}.incoming-subtitle{color:var(--fg-muted);font-size:13px}.incoming-actions{gap:12px;display:flex}.btn-accept{background:var(--signal-emerald);color:#022c1b;border-radius:var(--radius-md);cursor:pointer;min-height:46px;transition:all .18s var(--ease-spring);border:none;flex:1.3;padding:12px 20px;font-size:15px;font-weight:600;box-shadow:0 4px 16px #10b98159}.btn-accept:hover{background:#34d399;transform:translateY(-1px)}.btn-decline{background:var(--signal-rose-soft);color:#fb7185;border-radius:var(--radius-md);cursor:pointer;border:1px solid #f43f5e40;flex:1;min-height:46px;padding:12px 18px;font-size:14.5px;font-weight:500;transition:all 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.bar-5{height:46px;animation-delay:.4s}.audio-waveform-visual .bar-6{height:22px;animation-delay:.6s}.audio-waveform-visual .bar-7{height:38px;animation-delay:.25s}.audio-waveform-visual .bar-8{height:16px;animation-delay:.45s}@keyframes audioPulse{0%{opacity:.5;transform:scaleY(.4)}to{opacity:1;transform:scaleY(1.2)}}.audio-meta-info{text-align:center}.audio-title{color:var(--fg-primary);margin-bottom:4px;font-size:16px;font-weight:600;display:block}.audio-type{color:var(--fg-muted);font-size:12px}.media-preview-audio{outline:none;width:100%}.media-pdf-frame{width:100%;height:70vh}.media-preview-iframe{border-radius:var(--radius-md);background:#fff;border:none;width:100%;height:100%}.media-text-frame{border-radius:var(--radius-md);background:#090d16;width:100%;max-height:68vh;padding:16px;overflow:auto}.media-preview-text{color:#e2e8f0;white-space:pre-wrap;word-break:break-all;font-family:ui-monospace,monospace;font-size:13px;line-height:1.5}.media-generic-frame{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:32px 16px;display:flex}.speedtest-row .diag-value{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:inline-flex}.speedtest-row .highlight{color:var(--signal-cyan);font-weight:600}.speedtest-error{color:var(--danger,#f87171)}.saved-to-note{color:var(--signal-cyan);align-self:center;font-size:.9rem;font-weight:600}.sheet-card{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;overflow-y:auto}.settings-card{gap:0;padding-top:0}.settings-header{z-index:2;background:var(--bg-surface-elevated);border-bottom:1px solid var(--border-hairline);margin:0 -24px 14px;padding:20px 24px 12px;position:sticky;top:0}.settings-header .sheet-modal-title{margin:0;font-size:19px}.settings-card .settings-group{margin-bottom:20px}.settings-card .settings-group:last-of-type{margin-bottom:8px}.settings-card .settings-hint{margin-top:7px;padding:0 4px;font-size:12px;line-height:1.45}.settings-card .settings-hint a{color:var(--signal-cyan)}.settings-card .seg-pill-btn{white-space:nowrap;padding:9px 6px;font-size:13px}.settings-action-label{flex:1;align-items:center;gap:12px;min-width:0;display:flex}.settings-action-label svg{color:var(--fg-secondary);flex-shrink:0}.settings-action-label span{text-overflow:ellipsis;overflow:hidden}.settings-action-row{gap:12px;width:100%;min-height:50px;font-size:14px}.settings-row-value{color:var(--fg-muted);text-overflow:ellipsis;white-space:nowrap;max-width:45%;margin-left:auto;font-size:13px;overflow:hidden}.settings-toggle-row{cursor:pointer}input.switch{appearance:none;cursor:pointer;background:#ffffff24;border-radius:999px;flex-shrink:0;width:44px;height:26px;margin:0;transition:background .2s;position:relative;min-width:44px!important;min-height:26px!important}input.switch:after{content:"";width:20px;height:20px;transition:transform .2s var(--ease-spring,ease);background:#fff;border-radius:50%;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0006}input.switch:checked{background:var(--signal-cyan)}input.switch:checked:after{transform:translate(18px)}@media (max-width:560px){.sheet-backdrop{align-items:flex-end;padding:0}.sheet-card{width:100%;max-width:none;max-height:92dvh;padding:20px 16px calc(16px + env(safe-area-inset-bottom));animation:sheet-rise .28s var(--ease-spring,ease);border-bottom:none;border-radius:20px 20px 0 0}.settings-card{padding-top:0}.settings-header{margin:0 -16px 14px;padding:18px 16px 12px}.settings-header:before{content:"";background:#ffffff2e;border-radius:2px;width:36px;height:4px;position:absolute;top:7px;left:50%;transform:translate(-50%)}}@keyframes sheet-rise{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}.sheet-card{scrollbar-width:thin;scrollbar-color:#ffffff24 transparent}.sheet-card::-webkit-scrollbar{width:6px}.sheet-card::-webkit-scrollbar-thumb{background:#ffffff24;border-radius:3px}.sheet-card::-webkit-scrollbar-track{background:0 0}@media (max-width:560px){.app-topbar{gap:8px}.brand-group{flex-shrink:0;gap:8px}.logo-text{font-size:17px}.device-identity-trigger{flex:0 auto;min-width:0;margin-left:auto;padding:6px 10px}.device-identity-trigger .device-label-name{max-width:none}.device-label-name{text-overflow:ellipsis;white-space:nowrap;min-width:0;display:block;overflow:hidden}.topbar-right-actions{flex-shrink:0;gap:2px;display:flex}.device-edit-icon{display:none}.radar-send-bar{grid-template-columns:repeat(3,1fr);gap:8px;width:calc(100% - 32px);max-width:420px;margin:0 auto;display:grid!important}.radar-send-bar .btn-choose-files{grid-column:1/-1;justify-content:center;width:100%;min-height:50px}.radar-send-bar .btn-choose-files span{white-space:nowrap;text-overflow:ellipsis;min-width:0;overflow:hidden}.radar-send-bar .btn-room-hint{white-space:nowrap;background:var(--bg-surface);border:1px solid var(--border-hairline);border-radius:var(--radius-md);justify-content:center;min-height:44px;padding:0 8px}.app-bottombar{gap:10px;font-size:12px}.bottombar-left{flex:1;min-width:0}.bottombar-left .btn-footer-link{white-space:nowrap;text-overflow:ellipsis;text-align:left;max-width:100%;display:block;overflow:hidden}.bottombar-right{flex-shrink:0;gap:10px}.bottombar-right .btn-footer-link,.bottombar-peer-count{white-space:nowrap}}