:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#f4f7fa;background:#0b1117;font-synthesis:none;text-rendering:optimizeLegibility;--muted:#a7b2bc;--line:#26333e;--panel:#121c25;--accent:#a4e173;--accent-dark:#1d311a;--blue:#b8d8ff}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 70% -10%,#1c3340 0,transparent 42%),#0b1117}.shell{width:min(100% - 36px,720px);margin:0 auto;padding:24px 0 36px}.topbar{height:42px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:10px;color:#f4f7fa;text-decoration:none;font:800 18px system-ui,sans-serif;letter-spacing:-.5px}.brand-icon{height:32px;width:32px;border-radius:10px;background:var(--accent);color:#132015;display:grid;place-items:center;font-size:20px}.pill{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:99px;color:var(--muted);padding:7px 11px;font-size:12px}.pill i{width:7px;height:7px;border-radius:50%;background:#e3b768}.pill.online i{background:var(--accent)}.secure-pill i{background:var(--accent)}.hero{padding:48px 0 26px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.6px;color:var(--accent);margin-bottom:12px}.hero h1{font:800 clamp(34px,7vw,50px)/1.08 system-ui,sans-serif;letter-spacing:-2px;margin:0;max-width:650px}.subhead{color:var(--muted);font-size:16px;line-height:1.6;max-width:580px;margin:14px 0 0}.card{background:linear-gradient(145deg,rgba(21,32,42,.98),rgba(17,27,36,.98));border:1px solid var(--line);border-radius:19px;padding:24px;margin:0 0 16px;box-shadow:0 15px 50px rgba(0,0,0,.14)}.card-title{display:flex;align-items:flex-start;gap:13px;margin-bottom:20px}.step{height:30px;width:30px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--accent-dark);color:var(--accent);font-weight:700}.card-title h2,.drop-area h2{font:700 19px system-ui,sans-serif;margin:2px 0 4px;letter-spacing:-.3px}.card-title p,.drop-area p{margin:0;color:var(--muted);font-size:14px;line-height:1.5}.stack{display:grid;gap:10px}.stack>label:not(.check),.field label{font-size:13px;font-weight:600;color:#dce5eb}.key-row{display:flex;gap:8px}.key-row input,.field input,.field select{width:100%;min-width:0;background:#0c141b;border:1px solid #354653;border-radius:10px;color:#fff;padding:13px 14px;font:inherit;outline:none}.key-row input:focus,.field input:focus,.field select:focus{border-color:#88c45b;box-shadow:0 0 0 3px rgba(164,225,115,.12)}.show-key,.text-button{border:0;background:transparent;color:var(--blue);font:600 13px system-ui,sans-serif;cursor:pointer;padding:0 10px}.check{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin:2px 0}.check input{accent-color:var(--accent);width:16px;height:16px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:0 18px;border:0;border-radius:10px;text-decoration:none;font:700 14px system-ui,sans-serif;cursor:pointer;transition:transform .12s,filter .12s}.button:hover{filter:brightness(1.08);transform:translateY(-1px)}.button:disabled{opacity:.55;cursor:wait;transform:none}.primary{background:var(--accent);color:#142011}.feedback{min-height:18px;margin:0;color:var(--muted);font-size:13px}.feedback.error{color:#ffaaa2}.invite-form{display:grid;grid-template-columns:1fr 170px auto;gap:12px;align-items:end}.field{display:grid;gap:7px}.field select{appearance:auto}.invite-list{display:grid;gap:10px;margin-top:16px}.invite-row{padding:13px 14px;border:1px solid #2c3a45;border-radius:12px;background:#0d151c;display:grid;grid-template-columns:1fr auto;gap:9px;align-items:center}.invite-meta{min-width:0}.invite-name{font-weight:700;font-size:14px;overflow-wrap:anywhere}.invite-details{color:var(--muted);font-size:12px;margin-top:4px}.invite-actions{display:flex;align-items:center;gap:8px}.small-button{border:1px solid #344550;background:#15222d;color:#edf5fa;padding:8px 10px;border-radius:8px;font:600 12px system-ui,sans-serif;cursor:pointer}.small-button.danger{color:#ffaaa2}.new-invite{display:grid;gap:10px;padding:14px;border:1px solid #547548;border-radius:12px;background:#111d16;margin-top:15px}.new-invite-title{font-weight:700;font-size:14px;color:var(--accent)}.new-invite-url{font-size:12px;line-height:1.45;overflow-wrap:anywhere;color:#e4ecef;background:#0a1210;border-radius:7px;padding:9px}.privacy-note{display:flex;gap:9px;background:#101a20;border-radius:10px;padding:11px 12px;margin-top:20px;color:#c0ccd2}.privacy-note span{flex:none}.privacy-note p{font-size:12px;line-height:1.5;margin:0}.hidden{display:none!important}footer{display:flex;justify-content:space-between;gap:15px;color:#7e8d97;font-size:12px;padding:12px 2px}.guest-shell{max-width:600px}.guest-hero{padding-top:68px;padding-bottom:24px}.guest-hero h1{font-size:clamp(32px,8vw,45px)}.upload-card{padding:18px}.drop-area{text-align:center;border:1px dashed #40515e;border-radius:14px;padding:32px 18px;background:rgba(9,16,22,.32)}.drop-area.dragging{border-color:var(--accent);background:rgba(164,225,115,.06)}.upload-icon{height:50px;width:50px;margin:0 auto 15px;border-radius:15px;display:grid;place-items:center;background:#263820;color:var(--accent);font-size:30px;font-weight:500}.drop-area p{margin:9px 0 20px}.file-button{min-width:160px}.selection{padding:6px 3px 0}.selection-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}.selection-head strong,.selection-head .muted{display:block}.muted{color:var(--muted);font-size:12px;margin-top:3px}.file-list{display:grid;gap:8px;max-height:280px;overflow:auto;margin-bottom:14px}.file-row{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#0b141b;border:1px solid #283843;border-radius:9px;padding:10px 11px;font-size:13px}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{color:var(--muted);white-space:nowrap;font-size:12px}.wide{width:100%;min-height:50px}.guest-feedback{margin-top:13px;color:var(--muted);font-size:13px;line-height:1.5}.guest-feedback.error{color:#ffaaa2}.guest-foot{margin:14px 4px;color:#8796a0;font-size:12px;line-height:1.6;text-align:center}.progress-track{height:5px;background:#26343f;border-radius:99px;overflow:hidden;margin-top:8px}.progress-fill{height:100%;width:0;background:var(--accent);transition:width .15s}.ok{color:var(--accent)}
@media(max-width:600px){.shell{width:min(100% - 26px,720px);padding-top:14px}.hero{padding-top:38px}.card{padding:19px}.invite-form{grid-template-columns:1fr 1fr}.invite-form .button{grid-column:1/-1}.invite-row{grid-template-columns:1fr}.invite-actions{justify-content:flex-start}.guest-hero{padding-top:55px}footer{flex-direction:column}.topbar .pill{font-size:11px;padding:6px 9px}}
.settings-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end}.settings-form .feedback{grid-column:1/-1}.usb-section{margin-top:27px}.usb-heading{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}.usb-heading h3{font:700 16px system-ui,sans-serif;margin:0 0 5px}.usb-heading p{font-size:13px;line-height:1.5;color:var(--muted);margin:0;max-width:470px}.usb-heading .small-button{flex:none}.usb-photo-list{display:grid;gap:6px;max-height:290px;overflow:auto;margin-top:12px}.usb-photo-row{display:grid;grid-template-columns:20px minmax(0,1fr) auto;gap:9px;align-items:center;padding:9px 10px;border:1px solid #283843;border-radius:9px;background:#0b141b;font-size:12px}.usb-photo-row input{accent-color:var(--accent);width:16px;height:16px}.usb-photo-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.usb-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:12px}.section-divider{height:1px;background:var(--line);margin:26px 0}.settings-form .button{white-space:nowrap}
@media(max-width:600px){.settings-form{grid-template-columns:1fr}.settings-form .feedback{grid-column:auto}.usb-heading{flex-direction:column}.usb-actions{align-items:stretch;flex-direction:column}.usb-actions .button{width:100%}}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;align-items:end}.settings-grid .button,.settings-grid .feedback{grid-column:1/-1}.settings-grid input[type=range]{width:100%;accent-color:var(--accent);min-height:46px}.option-check{background:#0c141b;border:1px solid #354653;border-radius:10px;padding:13px 14px;min-height:46px}.volume-field label{display:flex;justify-content:space-between}.remote-status{padding:14px;border:1px solid #2c3a45;border-radius:12px;background:#0d151c;color:var(--muted);font-size:13px;line-height:1.55;overflow-wrap:anywhere}.remote-actions{display:flex;gap:10px;align-items:center;margin-top:12px}.reset-section{border:1px solid #5c3937;border-radius:14px;padding:16px;background:rgba(64,30,29,.12)}.reset-step{background:#3a211e;color:#ffaaa2}.reset-panel{display:grid;gap:11px}.reset-panel>p,.reset-confirm-copy{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.reset-button{background:#2d1a18;border:1px solid #70413d;color:#ffc0b9;justify-self:start}.reset-word{width:100%;max-width:300px;background:#0c141b;border:1px solid #70413d;border-radius:9px;color:#fff;padding:12px;font:inherit}.danger-fill{background:#c54a40;color:#fff}.reset-confirm{display:grid;gap:11px}.reset-confirm-copy{margin:12px 0 9px}.reset-confirm .button{justify-self:start}
@media(max-width:600px){.settings-grid{grid-template-columns:1fr}.settings-grid .button,.settings-grid .feedback{grid-column:auto}.remote-actions{align-items:stretch;flex-direction:column}.remote-actions .button,.reset-button{width:100%}}