:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#eef5ff;background:#070b11;font-synthesis:none;--surface:#0d141e;--line:#233245;--muted:#8fa1b8;--accent:#55e6a5;--danger:#ff7d8a}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(circle at 15% 0%,rgba(51,103,86,.28),transparent 34rem),linear-gradient(145deg,#06090e 0%,#09111a 52%,#070b11 100%)}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(100% - 32px,780px);margin:0 auto;padding:48px 0 28px}.brand{display:flex;align-items:center;gap:16px;margin-bottom:30px}.brand h1{margin:0;font-size:1.5rem;letter-spacing:-.03em}.brand p{margin:4px 0 0;color:var(--muted);font-size:.95rem}.mark{display:grid;place-items:center;width:48px;height:48px;border:1px solid #3b5d54;border-radius:14px;color:#06130e;background:var(--accent);font-weight:900;font-size:1.4rem;box-shadow:0 0 34px rgba(85,230,165,.18)}.panel{position:relative;padding:30px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(155deg,rgba(18,28,40,.96),rgba(10,16,24,.96));box-shadow:0 22px 65px rgba(0,0,0,.28)}.join-panel{max-width:560px;margin:70px auto 110px}.panel h2{margin:4px 0 8px;font-size:clamp(1.55rem,4vw,2.1rem);letter-spacing:-.035em}.step,.eyebrow{color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}.intro{color:var(--muted);line-height:1.6;margin:0 0 24px}label{display:block;margin:18px 0 8px;color:#c5d2e2;font-size:.9rem;font-weight:650}input,textarea{width:100%;border:1px solid var(--line);border-radius:12px;color:#f5f8fc;background:#080e15;outline:none;transition:border-color .15s,box-shadow .15s}input{min-height:48px;padding:0 14px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}textarea{padding:14px;resize:vertical;line-height:1.5}input:focus,textarea:focus,.drop-zone:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(85,230,165,.12)}button{min-height:44px;border-radius:11px;border:1px solid transparent;padding:0 18px;font-weight:760;transition:transform .12s,filter .12s,border-color .12s}button:hover{filter:brightness(1.08)}button:active{transform:translateY(1px)}button:disabled{cursor:wait;opacity:.55}.primary{color:#04130d;background:var(--accent)}.secondary{color:#dce7f4;background:#172333;border-color:#304259}.danger{color:var(--danger);background:transparent;border-color:#59333a}.wide{width:100%}.text-button{color:var(--muted);background:transparent;border:0;padding:0}.divider{display:flex;align-items:center;gap:14px;margin:22px 0 2px;color:#63758a;font-size:.8rem}.divider:before,.divider:after{content:"";height:1px;flex:1;background:var(--line)}.code-row{display:grid;grid-template-columns:1fr auto;gap:10px}.error{min-height:20px;color:var(--danger);font-size:.88rem}.transfer{display:grid;gap:18px}.room-bar{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border:1px solid var(--line);border-radius:16px;background:rgba(10,16,24,.82)}.room-code{display:block;min-height:0;margin-top:4px;padding:0;border:0;border-radius:0;color:#f6fbff;background:transparent;font-size:1.35rem;letter-spacing:.14em}.compose-panel,.receive-panel{overflow:hidden}.drop-zone{display:grid;justify-items:center;gap:8px;margin:22px 0;padding:34px 20px;border:1px dashed #395067;border-radius:16px;color:#dce8f5;background:rgba(5,10,16,.48);text-align:center;outline:none;transition:border-color .15s,background .15s,box-shadow .15s}.drop-zone.dragging{border-color:var(--accent);background:rgba(85,230,165,.08)}.drop-zone span{color:var(--muted);font-size:.88rem}.drop-zone button{margin-top:8px}.paste-icon{display:grid;place-items:center;width:56px;height:46px;margin-bottom:5px;border:1px solid #3e566e;border-radius:11px;color:var(--accent);background:#0c1720;font-weight:900}.status{min-height:22px;margin:12px 0 0;color:var(--muted);font-size:.88rem}.status.success{color:var(--accent)}.status.failure{color:var(--danger)}.section-heading{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.live{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.78rem}.live i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}.empty-state{display:grid;justify-items:center;padding:48px 20px 36px;color:var(--muted);text-align:center}.empty-state p{margin:18px 0 5px;color:#cdd9e6;font-weight:720}.empty-state span{font-size:.88rem}.pulse{width:46px;height:46px;border:1px solid #325046;border-radius:50%;box-shadow:0 0 0 8px rgba(85,230,165,.035),0 0 0 18px rgba(85,230,165,.018)}.item-card{margin-top:22px}.item-preview{display:grid;place-items:center;min-height:150px;max-height:340px;overflow:auto;border:1px solid var(--line);border-radius:15px;color:#dce7f4;background:#080e15}.item-preview pre{align-self:stretch;justify-self:stretch;margin:0;padding:18px;white-space:pre-wrap;overflow-wrap:anywhere;font:500 .92rem/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}.item-preview img{display:block;max-width:100%;max-height:330px;object-fit:contain}.file-glyph{color:var(--accent);font-size:3rem}.item-details{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:14px 2px 18px}.item-details strong,.item-details span{display:block}.item-details span{margin-top:4px;color:var(--muted);font-size:.82rem}.timer{display:flex;align-items:center;gap:9px;white-space:nowrap}.timer i{width:8px;height:8px;border-radius:50%;background:#ffc966}.actions{display:flex;flex-wrap:wrap;gap:9px}.actions .primary{flex:1}footer{padding:26px 10px 0;color:#708299;font-size:.8rem;line-height:1.5;text-align:center}@media(min-width:760px){.transfer{grid-template-columns:1fr 1fr}.room-bar{grid-column:1/-1}.compose-panel,.receive-panel{min-height:610px}}@media(max-width:520px){.shell{width:min(100% - 20px,780px);padding-top:24px}.panel{padding:22px;border-radius:16px}.join-panel{margin:32px auto 70px}.code-row{grid-template-columns:1fr}.item-details{align-items:flex-start;flex-direction:column;gap:8px}.actions>*{flex:1 1 100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}