:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:#191f28;font-synthesis:none;text-rendering:optimizelegibility;--bg:#f7f8fa;--surface:#fff;--surface-subtle:#f2f4f6;--surface-strong:#e9eef8;--text:#191f28;--muted:#596574;--muted-strong:#46515f;--border:#e5e8eb;--border-strong:#7c8999;--primary:#246bfd;--primary-action:#1554d9;--primary-action-hover:#1044b4;--primary-soft:#e8f0ff;--primary-soft-hover:#dbe8ff;--primary-on-soft:#1554d9;--danger:#bd1e2d;--danger-soft:#fff0f1;--success:#0b8f55;--success-soft:#eaf8f1;--focus:#0067c9;--shadow:0 18px 48px #191f2814;background:#f7f8fa;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;color:#f2f4f6;--bg:#101214;--surface:#171a1f;--surface-subtle:#20242a;--surface-strong:#273142;--text:#f2f4f6;--muted:#b1bac5;--muted-strong:#c8cdd3;--border:#2a3038;--border-strong:#697586;--primary:#5b91ff;--primary-action:#2d63c4;--primary-action-hover:#2554a8;--primary-soft:#1d2b47;--primary-soft-hover:#263b62;--primary-on-soft:#8bb7ff;--danger:#ff7882;--danger-soft:#351f23;--success:#5bd69a;--success-soft:#183328;--focus:#8bb7ff;--shadow:0 20px 60px 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svg{width:18px;height:18px}.icon-button{border:1px solid var(--border);background:var(--surface);width:44px;height:44px;color:var(--muted-strong);border-radius:12px;place-items:center;transition:border-color .16s,background-color .16s,transform .16s;display:grid}.icon-button:hover{border-color:var(--border-strong);background:var(--surface-subtle)}.icon-button:active{transform:scale(.96)}main{flex:1}.transfer-panel{border:1px solid var(--border);background:var(--surface);width:min(100% - 40px,680px);box-shadow:var(--shadow);border-radius:22px;margin:48px auto 32px;padding:32px}.mode-switch{background:var(--surface-subtle);border-radius:13px;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:34px;padding:4px;display:grid}.mode-switch button{min-height:44px;color:var(--muted);background:0 0;border:0;border-radius:10px;font-weight:680;transition:background-color .16s,color .16s,box-shadow .16s}.mode-switch button.active{background:var(--surface);color:var(--text);box-shadow:0 2px 8px #191f2814}[data-theme=dark] .mode-switch button.active{box-shadow:0 3px 12px #00000040}.delivery-switch{justify-content:center;gap:8px;margin:-18px 0 30px;display:flex}.delivery-switch button{border:1px solid var(--border);min-height:38px;color:var(--muted);background:0 0;border-radius:999px;padding:0 13px;font-size:.82rem;font-weight:670;transition:border-color .15s,background-color .15s,color .15s}.delivery-switch button.active{border-color:color-mix(in srgb, var(--primary) 48%, var(--border));background:var(--primary-soft);color:var(--primary-on-soft)}.availability-note{border:1px solid var(--border);background:var(--surface-subtle);color:var(--muted);text-align:center;border-radius:12px;margin:-16px 0 26px;padding:11px 14px;font-size:.88rem;line-height:1.55}.panel-intro{margin-bottom:28px}.eyebrow{color:var(--primary);letter-spacing:-.01em;margin:0 0 8px;font-size:.82rem;font-weight:760}h1,h2,p{overflow-wrap:anywhere}.panel-intro h1,.result-intro h1,.received-heading h1,.error-view 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var(--border);background:var(--surface-subtle);border-radius:16px;align-items:flex-start;gap:15px;margin-bottom:26px;padding:18px;display:flex}.live-status-card.sent{border-color:color-mix(in srgb, var(--success) 32%, var(--border));background:var(--success-soft)}.live-status-symbol{background:var(--primary-soft);width:44px;height:44px;color:var(--primary-on-soft);border-radius:14px;flex:0 0 44px;place-items:center;display:grid}.live-status-card.sent .live-status-symbol{background:var(--surface);color:var(--success)}.live-status-symbol svg{stroke-width:2.2px;width:22px;height:22px}.live-pulse{background:var(--primary);width:12px;height:12px;box-shadow:0 0 0 0 color-mix(in srgb, var(--primary) 38%, transparent);border-radius:50%;animation:1.6s ease-out infinite live-pulse}.live-status-card h1{letter-spacing:-.04em;margin:0;font-size:clamp(1.45rem,4vw,1.9rem);line-height:1.25}.live-status-card p:last-child{color:var(--muted);margin:7px 0 0;font-size:.88rem;line-height:1.55}.live-expiration{color:var(--muted);font-size:.8rem;line-height:1.5;display:block}.live-connection-motion{color:var(--primary);justify-content:center;align-items:center;gap:10px;margin-bottom:24px;display:flex}.live-connection-motion span{background:linear-gradient(90deg, transparent, var(--primary));opacity:.7;border-radius:2px;width:54px;height:2px}.live-connection-motion span:last-child{background:linear-gradient(90deg, var(--primary), transparent)}.live-connection-motion svg{width:32px;height:32px;animation:1.35s ease-in-out infinite alternate live-breathe}.live-received .received-icon{background:var(--primary-soft);color:var(--primary-on-soft)}.live-connecting .live-transfer-progress{width:min(100%,420px);margin-top:22px}.live-connecting>.secondary-button{margin-top:22px}.code-label{margin-bottom:9px}.code-input{font-variant-numeric:tabular-nums;letter-spacing:.2em;text-align:center;height:74px;padding:0 18px;font-size:clamp(1.9rem,8vw,2.5rem);font-weight:760}.field-help{color:var(--muted);text-align:center;margin:9px 0 0;font-size:.8rem}.completion-motion{width:154px;height:58px;margin:2px auto 27px;position:relative}.packet{border:1px solid var(--border-strong);background:var(--surface);border-radius:12px;width:40px;height:40px;position:absolute;top:12px;left:32px}.packet-back{opacity:.55;transform:translate(-9px,3px)rotate(-7deg)}.packet-middle{opacity:.8;transform:translate(-4px,1px)rotate(-3deg)}.packet-front{border-color:var(--primary-action);background:var(--primary-action);color:#fff;place-items:center;animation:.68s cubic-bezier(.22,.8,.28,1) both packet-send;display:grid}.packet-front svg{width:20px;height:20px}.arrival-dot{background:var(--success);border-radius:50%;width:10px;height:10px;animation:.42s ease-out .42s both arrival-pop;position:absolute;top:26px;right:25px}@keyframes packet-send{0%{transform:translate(0)scale(1)}45%{transform:translate(8px)scale(.92)}to{transform:translate(64px)scale(.76)}}@keyframes arrival-pop{0%{opacity:0;transform:scale(.2)}75%{transform:scale(1.35)}to{opacity:1;transform:scale(1)}}.result-intro,.received-heading{align-items:flex-start;gap:15px;margin-bottom:27px;display:flex}.success-check,.received-icon{background:var(--success-soft);width:42px;height:42px;color:var(--success);border-radius:13px;flex:0 0 42px;place-items:center;display:grid}.success-check svg,.received-icon svg{stroke-width:2.2px;width:22px;height:22px}.result-intro .eyebrow,.received-heading .eyebrow{margin-top:1px}.result-intro h1,.received-heading h1{font-size:clamp(1.65rem,5vw,2rem)}.result-intro p,.received-heading p{word-break:keep-all;margin-top:7px;font-size:.88rem}.result-grid{grid-template-columns:minmax(0,1fr) 180px;gap:16px;margin-bottom:20px;display:grid}.share-credentials{flex-direction:column;gap:10px;min-width:0;display:flex}.code-card,.link-card,.qr-card{border:1px solid var(--border);background:var(--surface-subtle);border-radius:15px}.code-card{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:2px 12px;padding:15px 16px;display:grid}.code-card>span{color:var(--muted);font-size:.78rem;font-weight:620}.code-card strong{color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.1em;grid-row:2;font-size:clamp(1.8rem,7vw,2.4rem)}.code-card button{background:var(--surface);min-height:42px;color:var(--primary);border:0;border-radius:9px;grid-area:1/2/span 2;align-items:center;gap:6px;padding:0 10px;font-size:.8rem;font-weight:680;display:inline-flex}.code-card button:hover{background:var(--primary-soft)}.code-card button svg{width:16px;height:16px}.link-card{align-items:center;gap:10px;min-width:0;padding:10px;display:flex}.link-value{min-width:0;color:var(--muted-strong);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:.78rem;overflow:hidden}.open-link{min-height:36px;color:var(--primary);align-items:center;gap:5px;font-size:.83rem;font-weight:670;text-decoration:none;display:inline-flex}.open-link:hover{text-underline-offset:3px;text-decoration:underline}.open-link svg{width:16px;height:16px}.qr-card{color:#4e5968;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:7px;padding:12px;font-size:.76rem;font-weight:620;display:flex}.qr-card img,.qr-placeholder{width:148px;height:148px;display:block}.qr-error{color:#4e5968;text-align:center;place-items:center;min-height:148px;font-size:.78rem;line-height:1.5;display:grid}.history-panel{width:min(100% - 40px,760px)}.history-heading h1{letter-spacing:-.045em;margin:0;font-size:clamp(1.75rem,5vw,2.15rem)}.history-heading>p:last-child{color:var(--muted);word-break:keep-all;margin:9px 0 0;line-height:1.6}.history-local-note{background:var(--surface-subtle);color:var(--muted-strong);border-radius:13px;align-items:flex-start;gap:10px;margin:23px 0;padding:13px 14px;font-size:.8rem;line-height:1.55;display:flex}.history-local-note svg{width:18px;height:18px;color:var(--primary);flex:0 0 18px;margin-top:1px}.history-list,.history-file-names{margin:0;padding:0;list-style:none}.history-list{gap:13px;display:grid}.history-card{border:1px solid var(--border);background:var(--surface);border-radius:16px;padding:18px}.history-card-heading{justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.history-card-heading>div{flex-direction:column;gap:4px;min-width:0;display:flex}.history-kind{color:var(--muted);font-size:.75rem;font-weight:620}.history-card-heading strong{letter-spacing:-.025em;font-size:1rem}.history-status{background:var(--surface-subtle);color:var(--muted-strong);border-radius:999px;flex:none;padding:5px 8px;font-size:.72rem;font-weight:700}.history-status.active{background:var(--primary-soft);color:var(--primary-on-soft)}.history-status.completed{background:var(--success-soft);color:var(--success)}.history-status.expired{background:var(--danger-soft);color:var(--danger)}.history-status.deleted{border:1px solid var(--border);background:var(--surface);color:var(--muted)}.history-meta{color:var(--muted);flex-wrap:wrap;gap:4px 7px;margin-top:10px;font-size:.76rem;display:flex}.history-file-names{flex-wrap:wrap;gap:6px;margin-top:13px;display:flex}.history-file-names li{background:var(--surface-subtle);max-width:100%;color:var(--muted-strong);text-overflow:ellipsis;white-space:nowrap;border-radius:8px;padding:5px 8px;font-size:.74rem;overflow:hidden}.history-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:16px;display:flex}.history-management{border:1px solid var(--border);background:var(--surface-subtle);border-radius:12px;margin-top:15px}.history-management summary{color:var(--muted-strong);padding:11px 13px;font-size:.78rem;font-weight:680}.history-management[open] summary{border-bottom:1px solid var(--border)}.history-management>div{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:9px;padding:12px 12px 0;display:grid}.history-management code{overflow-wrap:anywhere;border:1px solid var(--border);background:var(--surface);min-width:0;color:var(--muted-strong);border-radius:9px;padding:9px 10px;font-size:.76rem}.history-management p{color:var(--muted);margin:8px 12px 12px;font-size:.74rem;line-height:1.5}.history-delete-confirm{background:var(--danger-soft);width:100%;color:var(--danger);border-radius:11px;align-items:center;gap:10px;margin-top:3px;padding:12px;font-size:.8rem;font-weight:620;display:flex}.history-delete-confirm>span{flex:1;min-width:0}.danger-button{border:1px solid var(--danger);background:var(--danger);color:#fff;border-radius:9px;min-height:36px;padding:0 11px;font-size:.78rem;font-weight:700}.danger-outline-button{border:1px solid color-mix(in srgb, var(--danger) 60%, var(--border));background:var(--surface);min-height:42px;color:var(--danger);border-radius:10px;padding:0 13px;font-size:.8rem;font-weight:700}.danger-outline-button:hover{background:var(--danger-soft)}.history-remove-button{margin-top:14px}.history-empty{min-height:260px;color:var(--muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:8px;display:flex}.history-empty strong{color:var(--text);margin-top:3px;font-size:1.05rem}.history-empty>span:not(.large-status-icon){font-size:.84rem}.history-empty .primary-button{min-height:46px;margin-top:14px}.qr-placeholder{background:#f2f4f6;border-radius:8px;animation:1.2s ease-in-out infinite alternate pulse}@keyframes pulse{to{opacity:.5}}.privacy-note{color:var(--muted);text-align:center;margin:12px 0 0;font-size:.76rem;line-height:1.55}.receive-view,.error-view{text-align:center;padding-top:72px;padding-bottom:72px}.loading-mark{justify-content:center;align-items:center;gap:6px;height:42px;margin-bottom:19px;display:flex}.loading-mark span{background:var(--primary);border-radius:50%;width:9px;height:9px;animation:.9s ease-in-out infinite alternate loading-bounce}.loading-mark span:nth-child(2){animation-delay:.15s}.loading-mark span:nth-child(3){animation-delay:.3s}@keyframes loading-bounce{to{opacity:.25;transform:translateY(-7px)}}@keyframes live-pulse{70%,to{box-shadow:0 0 0 12px #0000}}@keyframes live-breathe{to{opacity:.45;transform:scale(.92)}}.muted{color:var(--muted)}.large-status-icon{background:var(--surface-subtle);width:56px;height:56px;color:var(--muted-strong);border-radius:17px;place-items:center;margin:0 auto 22px;display:grid}.large-status-icon svg{width:27px;height:27px}.completed-view .large-status-icon{background:var(--success-soft);color:var(--success)}.error-view .eyebrow{margin-bottom:7px}.error-view .primary-button{margin-top:28px}.received-heading{margin-bottom:32px}.received-section{margin-bottom:26px}.section-heading{justify-content:space-between;align-items:center;gap:12px;min-height:40px;margin-bottom:8px;display:flex}.section-heading h2{letter-spacing:-.025em;margin:0;font-size:1rem}.shared-text{border:1px solid var(--border);background:var(--surface-subtle);max-height:320px;color:var(--text);font:inherit;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:14px;margin:0;padding:16px;font-size:.9rem;line-height:1.65;overflow:auto}.download-list{border:1px solid var(--border);border-radius:14px;padding:2px 15px}.download-list li{min-height:70px}.download-list a{background:var(--primary-soft);min-width:64px;min-height:42px;color:var(--primary-on-soft);border-radius:10px;justify-content:center;align-items:center;gap:5px;padding:0 10px;font-size:.8rem;font-weight:680;text-decoration:none;display:inline-flex}.download-list a:hover{background:var(--primary-soft-hover)}.download-list a svg{width:17px;height:17px}.site-footer{min-height:64px;color:var(--muted);justify-content:center;align-items:center;gap:8px;padding:16px 20px;font-size:.76rem;display:flex}@media (width<=640px){.site-header{flex-basis:58px;height:58px}.header-inner{width:calc(100% - 32px)}.wordmark{font-size:1.05rem}.wordmark-mark{width:28px;height:28px}.icon-button{background:0 0;border:0;width:42px;height:42px}.header-history-button{background:0 0;border:0;min-height:42px}.transfer-panel{background:var(--bg);width:100%;box-shadow:none;border:0;border-radius:0;margin:10px 0 12px;padding:22px 20px 28px}.history-panel{width:100%}.mode-switch{margin-bottom:31px}.panel-intro{margin-bottom:25px}.panel-intro h1,.result-intro h1,.received-heading h1,.error-view h1,.receive-view h1{font-size:1.75rem}.content-switch button{flex:1}.dropzone{min-height:168px}.selected-files{padding-left:12px;padding-right:12px}.form-divider{margin:25px 0}.result-grid{grid-template-columns:minmax(0,1fr)}.qr-card{justify-self:center;width:min(100%,250px)}.qr-card img,.qr-placeholder{width:190px;height:190px}.completion-motion{margin-top:5px}.history-card{padding:16px}.result-intro,.received-heading{gap:12px}.success-check,.received-icon{flex-basis:38px;width:38px;height:38px}.receive-view,.error-view{padding-top:64px;padding-bottom:64px}.site-footer{min-height:54px}}@media (width<=390px){.transfer-panel{padding-left:16px;padding-right:16px}.content-switch{grid-template-columns:1fr 1fr;display:grid}.header-history-button{justify-content:center;width:42px;padding:0}.header-history-button span{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.code-card{grid-template-columns:minmax(0,1fr)}.code-card button{grid-area:3/1;justify-self:start;margin-top:7px}.link-card{flex-direction:column;align-items:stretch}.secondary-button.compact{width:100%}.history-actions .secondary-button.compact{width:auto}.history-management>div{grid-template-columns:minmax(0,1fr)}.history-management .secondary-button.compact{width:100%}.history-delete-confirm{flex-wrap:wrap;align-items:stretch}.history-delete-confirm>span{flex-basis:100%;width:100%}.download-label{display:none}.download-list a{min-width:42px;padding:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}