html{min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;margin:0;background:#f6f8fb}#root{min-height:100vh}.app-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:12px clamp(14px,3vw,32px);background:#f6f8fb}.app-header-actions{display:flex;align-items:center;gap:12px;margin-inline-start:auto}.install-app-button{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:7px 12px;border:1px solid #d7e0ea;border-radius:12px;background:#fff;color:#2563eb;font-size:.8125rem;font-weight:600;cursor:pointer}.install-app-button:hover{background:#eff6ff}.install-app-button:disabled{cursor:wait;opacity:.6}.install-app-button:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.page-alert-region{position:fixed;top:calc(64px + env(safe-area-inset-top,0px));inset-inline:0;z-index:100;padding:12px clamp(14px,3vw,32px) 0;pointer-events:none}.page-error-alert{display:flex;align-items:flex-start;gap:12px;width:min(100%,960px);margin-inline:auto;padding:16px;border:1px solid #fecaca;border-radius:16px;background:#fff1f2;color:#991b1b;box-shadow:0 8px 24px #7f1d1d14;pointer-events:auto;animation:page-alert-enter .18s ease-out}@keyframes page-alert-enter{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.page-error-alert{animation:none}}.page-error-alert-icon{flex-shrink:0;width:24px;height:24px;margin-top:2px;color:#dc2626}.page-error-alert-content{flex:1;min-width:0;padding-block:2px}.page-error-alert-title{font-size:.9375rem;font-weight:650;line-height:1.4}.page-error-alert-message{margin-top:4px;color:#9f3434;font-size:.875rem;line-height:1.5;overflow-wrap:anywhere}.page-error-alert-close{display:grid;flex-shrink:0;place-items:center;width:36px;height:36px;margin:-4px -4px -4px 0;border-radius:9px;color:#9f3434;cursor:pointer;transition:background-color .14s ease}.page-error-alert-close:hover{background:#fee2e2}.page-error-alert-close:focus-visible{outline:2px solid #dc2626;outline-offset:2px}.language-switcher{display:flex;flex-shrink:0;gap:4px;padding:3px;border:1px solid #d7e0ea;border-radius:12px;background:#fff}.language-switcher button{min-width:44px;min-height:32px;padding:4px 10px;border-radius:8px;color:#475569;cursor:pointer;font-size:.8125rem;font-weight:600}.language-switcher button:hover{background:#eff6ff}.language-switcher button[aria-pressed=true]{background:#2563eb;color:#fff}.language-switcher button:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}button,input{font:inherit}a{color:inherit;text-decoration:none}.brand-logo{display:inline-flex;flex-shrink:0;width:fit-content;border-radius:12px;cursor:pointer}.brand-logo:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:6px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.page-fallback{min-height:calc(100svh - 64px);display:grid;place-items:center;padding:0 20px}.page-loader{width:40px;height:40px;border:3px solid #d7e0ea;border-top-color:#2563eb;border-radius:50%;animation:page-loader-spin .8s linear infinite}@keyframes page-loader-spin{to{transform:rotate(360deg)}}.home-shell{position:relative;min-height:calc(100svh - 64px);display:grid;grid-template-columns:minmax(0,1fr);place-items:center;gap:clamp(56px,8vw,96px);overflow:hidden;padding:clamp(48px,8vw,96px) 20px;background:linear-gradient(180deg,#ffffffd1,#f6f8fbf5),repeating-linear-gradient(90deg,rgba(37,99,235,.035) 0 1px,transparent 1px 120px),#f6f8fb}.home-hero{position:relative;z-index:1;display:grid;place-items:center;width:100%;min-height:calc(100svh - 64px - clamp(96px,16vw,192px));scroll-margin-top:24px}.home-quick-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 24px;color:#475569;font-size:.875rem}.home-swarm-badge{padding:7px 13px;border:1px solid #bfdbfe;border-radius:999px;background:#eff6ff;color:#1d4ed8;font-size:.8125rem;font-weight:600;line-height:1.5}.home-swarm-badge:hover{background:#dbeafe}.home-quick-links a:hover,.home-footer a:hover{color:#1d4ed8;text-decoration:underline}.home-content{position:relative;z-index:1;display:grid;gap:clamp(56px,8vw,96px);width:min(100%,1040px);color:#0f172a}.home-content section{scroll-margin-top:32px}.home-content h2{font-size:clamp(1.65rem,3.5vw,2.25rem);font-weight:700;letter-spacing:-.035em;line-height:1.2;text-wrap:balance}.home-content h3{font-size:1.125rem;font-weight:650;line-height:1.4}.home-section{text-align:center}.home-eyebrow{margin-bottom:12px;color:#2563eb;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.home-section-intro{max-width:620px;margin:18px auto 0;color:#475569;line-height:1.7}.home-swarm{display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:36px;padding:clamp(28px,5vw,48px);border:1px solid #bfdbfe;border-radius:24px;background:linear-gradient(135deg,#fff,#eff6ff)}.home-swarm-copy>p:not(.home-eyebrow){margin-top:18px;color:#475569;line-height:1.75}.home-swarm-copy .home-swarm-intro{color:#1e293b;font-size:1.125rem}.home-swarm-highlights{display:grid;gap:10px;margin-top:24px;padding:0;list-style:none;color:#1e3a8a;font-weight:600;line-height:1.5}.home-swarm-highlights li:before{content:"✓";margin-right:10px;color:#2563eb}.home-swarm-copy .home-swarm-note{font-size:.8125rem}.home-swarm-visual{min-width:0;text-align:center}.home-swarm-visual svg{width:100%;max-width:440px;height:auto}.home-swarm-source-lines{color:#60a5fa}.home-swarm-peer-lines{color:#2563eb}.home-swarm-label{fill:#334155;font-size:15px;font-weight:600}.home-swarm-visual p{color:#1d4ed8;font-size:.875rem;font-weight:600;line-height:1.5}.home-steps,.home-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:32px 0 0;padding:0;list-style:none;text-align:left}.home-info-card{padding:28px;border:1px solid #e2e8f0;border-radius:20px;background:#fff}.home-step-number{display:block;margin-bottom:20px;color:#2563eb;font-size:1.5rem;font-weight:700}.home-info-card p,.home-privacy-copy p,.home-faq-list p{margin-top:12px;color:#475569;line-height:1.75}.home-privacy{display:grid;grid-template-columns:1fr 1.25fr;align-items:start;gap:40px;padding:clamp(28px,5vw,48px);border:1px solid #dbeafe;border-radius:24px;background:#eff6ff}.home-privacy-copy p:first-child{margin-top:0}.home-faq{width:min(100%,800px);margin-inline:auto}.home-faq-list{margin-top:32px;text-align:left}.home-faq-list details{padding:22px 0;border-bottom:1px solid #cbd5e1}.home-faq-list summary{cursor:pointer;font-size:1.0625rem;font-weight:600;line-height:1.5}.home-faq-list summary::marker{color:#2563eb}.home-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;padding-top:24px;border-top:1px solid #e2e8f0;color:#475569;font-size:.875rem}.home-quick-links a:focus-visible,.home-swarm-badge:focus-visible,.home-footer a:focus-visible,.home-faq-list summary:focus-visible{border-radius:4px;outline:3px solid #93c5fd;outline-offset:5px}@media(max-width:760px){.home-shell{gap:48px;padding:28px 20px 48px}.home-hero{display:block;min-height:0}.home-hero .home-start-card{border:0;border-radius:0;background:transparent;box-shadow:none}.home-hero .home-start-body{padding:0}.home-hero .home-start-content{align-items:stretch;gap:24px;text-align:left}.home-hero .home-start-copy{align-items:flex-start;gap:14px}.home-hero .home-swarm-badge{max-width:100%;padding:4px 0;border:0;border-radius:0;background:transparent;font-size:.75rem;line-height:1.5}.home-hero .home-start-title{font-size:clamp(1.75rem,8vw,2.125rem);line-height:1.15;letter-spacing:-.03em;text-wrap:balance}.home-hero .home-start-description{color:#475569;font-size:1rem;line-height:1.6}.home-hero .home-choose-button{min-height:52px;border-radius:10px;box-shadow:0 8px 20px #2563eb29}.home-hero .home-readiness{align-self:flex-start;gap:10px;color:#64748b;font-size:.8125rem;line-height:1.5}.home-quick-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 12px;width:100%;padding-top:16px;border-top:1px solid #e2e8f0;font-size:.8125rem;line-height:1.5}.home-quick-links a{display:flex;align-items:center;min-height:36px}.home-steps,.home-benefits,.home-swarm,.home-privacy{grid-template-columns:minmax(0,1fr)}.home-privacy{gap:24px}}.home-shell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgba(37,99,235,.05),transparent 27%,transparent 73%,rgba(37,99,235,.05)),linear-gradient(180deg,transparent 0,rgba(148,163,184,.12) 50%,transparent 100%);pointer-events:none}.transfer-shell{--transfer-inline-padding: 20px;--transfer-block-padding: clamp(28px, 4vw, 48px);position:relative;min-height:calc(100svh - 64px);display:grid;grid-template-columns:minmax(0,1fr);justify-items:center;align-items:start;overflow-x:hidden;padding:var(--transfer-block-padding) var(--transfer-inline-padding);background:linear-gradient(180deg,#ffffffd1,#f6f8fbf5),repeating-linear-gradient(90deg,rgba(37,99,235,.035) 0 1px,transparent 1px 120px),#f6f8fb}.transfer-shell:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(90deg,rgba(37,99,235,.05),transparent 27%,transparent 73%,rgba(37,99,235,.05)),linear-gradient(180deg,transparent 0,rgba(148,163,184,.12) 50%,transparent 100%);pointer-events:none}.transfer-panel,.transfer-files-card{box-shadow:0 22px 64px #0f172a1c}.transfer-files-region{display:flex;flex-direction:column;gap:20px;min-width:0}.sender-shell .transfer-panel,.sender-shell .transfer-files-card{box-shadow:0 8px 32px #0f172a0e}.sender-panel-header{flex-wrap:nowrap}.sender-settings-button,.sender-close-button{min-height:40px;flex-shrink:0;color:#64748b;font-size:.875rem}.sender-settings-button:hover{background:#f1f5f9;color:#334155}.sender-close-button:hover{background:#fff1f2;color:#be123c}.sender-share-layout{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px}.sender-share-label{color:#334155;font-size:.875rem;font-weight:600}.transfer-share-box{display:flex;align-items:center;gap:6px;min-width:0;padding:5px;border:1px solid #d7e0ea;border-radius:12px;background:#f8fafc}.transfer-share-value{width:0;min-width:0;flex:1 1 auto;padding:10px 9px;border:0;border-radius:6px;background:transparent;color:#475569;font-size:.9375rem;line-height:1.5;text-overflow:ellipsis}.transfer-share-value:focus-visible{outline:2px solid #93c5fd;outline-offset:-2px}.transfer-copy-button{flex:0 0 auto;min-height:44px;padding-inline:16px;border-radius:8px;background:#2563eb;color:#fff;font-size:.875rem;font-weight:600;transition:background-color .14s ease,color .14s ease}.transfer-copy-button:hover{background:#1d4ed8}.transfer-copy-button:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.transfer-copy-button[data-copy-state=copied]{background:#dcfce7;color:#166534}.transfer-copy-button[data-copy-state=failed]{background:#fee2e2;color:#991b1b}.sender-qr{display:grid;justify-items:center;gap:6px;margin:0}.sender-qr svg{border:1px solid #e2e8f0;border-radius:10px;background:#fff}.sender-qr figcaption{color:#64748b;font-size:.6875rem;white-space:nowrap}.sender-status{--status-color: #2563eb;--status-halo: #dbeafe;display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid #e2e8f0;border-radius:12px;background:#f8fafc}.sender-status[data-tone=success]{--status-color: #16a34a;--status-halo: #dcfce7}.sender-status[data-tone=warning]{--status-color: #d97706;--status-halo: #fef3c7;border-color:#fde68a;background:#fffbeb}.sender-status[data-tone=error]{--status-color: #dc2626;--status-halo: #fee2e2;border-color:#fecaca;background:#fff1f2}.sender-status-dot{flex:0 0 auto;width:8px;height:8px;margin-top:7px;border-radius:50%;background:var(--status-color);box-shadow:0 0 0 4px var(--status-halo)}.sender-status-content{flex:1;min-width:0}.sender-speed{flex-shrink:0;margin-top:2px;color:#15803d;font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums}.sender-add-button{min-height:44px;height:auto;max-width:100%;padding:10px 14px;border-radius:9px;font-size:.875rem;white-space:normal;text-align:left}.sender-files-list .transfer-file-row{border-width:0;border-radius:0;background:transparent}.sender-files-list .transfer-file-row+.transfer-file-row{border-top:1px solid #eef2f6}.sender-files-list .transfer-file-body{padding:16px 0}.sender-files-list .transfer-file-row:first-child .transfer-file-body{padding-top:4px}.sender-files-list .transfer-file-row:last-child .transfer-file-body{padding-bottom:4px}.sender-files-empty{padding-block:12px}.transfer-file-name{flex:1 1 160px;line-height:1.45}.transfer-divider{height:1px;width:100%;background:#64748b42}.transfer-alert{width:100%;padding:12px 16px;border:1px solid #fed7aa;border-radius:12px;background:#fff7ed;color:#7c2d12;text-align:left}.transfer-signal-icon{position:relative;width:34px;height:34px;color:#0f766e;opacity:.72}.transfer-signal-icon:before,.transfer-signal-icon:after{content:"";position:absolute;top:50%;left:8px;width:17px;height:17px;border:3px solid currentColor;border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:translateY(-50%) rotate(45deg)}.transfer-signal-icon:after{left:0;width:29px;height:29px;opacity:.55}.transfer-primary-button,.transfer-outline-button,.transfer-secondary-button{min-height:58px;border-radius:13px;padding-inline:28px;font-size:1.2rem;font-weight:600}.transfer-action-row{flex-wrap:wrap}.transfer-action-row .transfer-alert{flex:0 0 100%}.transfer-action-row .transfer-primary-button,.transfer-action-row .transfer-outline-button,.transfer-action-row .transfer-secondary-button{flex:1 1 280px}.transfer-primary-button{min-width:min(100%,430px);box-shadow:0 16px 34px #2563eb33}.transfer-outline-button{min-width:min(100%,390px);border-color:#b453096b;color:#92400e;background:#ffffffb3}.transfer-danger-button{border-color:#b453096b;color:#92400e}.transfer-secondary-button{min-width:min(100%,280px);border-color:#64748b47;color:#0f172a;background:#ffffffb8}.transfer-settings-popover{width:min(520px,calc(100vw - 32px));padding:4px;border-color:#64748b3d;border-radius:12px;background:#fff;box-shadow:0 18px 46px #0f172a29;text-align:left}.transfer-settings-label{display:block;color:#1f2937;font-size:.875rem;font-weight:600;line-height:1.35;text-align:left;white-space:nowrap}.transfer-file-row{border-color:#64748b3d;border-radius:14px;background:#ffffffeb}.transfer-file-body{padding:18px 24px}.transfer-file-row [data-part=track]{height:8px;background:#dbeafe}.transfer-file-row [data-part=range]{background:#1f7fb6}.transfer-file-remove,.transfer-file-spacer{flex:0 0 auto}.transfer-file-remove{color:#64748b}.transfer-file-spacer{width:24px}.transfer-file-checkbox{flex:0 0 auto;width:18px;height:18px;accent-color:#2563eb}@media(max-width:760px){.transfer-shell{align-items:stretch}.transfer-files-region{flex:1;margin-inline:calc(-1 * var(--transfer-inline-padding));margin-bottom:calc(-1 * var(--transfer-block-padding));padding:20px var(--transfer-inline-padding) var(--transfer-block-padding);background:#fff}.transfer-shell .transfer-panel,.transfer-shell .transfer-files-card{border:0;border-radius:0;background:transparent;box-shadow:none}.transfer-shell .transfer-card-body{padding:0}.sender-share-layout{grid-template-columns:minmax(0,1fr);gap:16px}.sender-share-box{flex-direction:column;align-items:stretch}.transfer-share-value,.transfer-copy-button{width:100%}.sender-qr{display:none}.sender-status{flex-wrap:wrap}.sender-speed{margin-left:20px}.transfer-primary-button,.transfer-outline-button,.transfer-secondary-button{width:100%;min-width:0;height:auto;padding-block:12px;white-space:normal;line-height:1.35}.transfer-action-row .transfer-primary-button,.transfer-action-row .transfer-outline-button,.transfer-action-row .transfer-secondary-button{flex-basis:100%}.transfer-file-body{padding:16px}}@media(max-width:520px){.sender-settings-text{display:none}.sender-settings-button{min-width:44px;padding-inline:10px}.transfer-shell{--transfer-block-padding: 20px}.transfer-settings-label{white-space:normal}}