.prism-app{background:var(--surface-deep);height:100dvh;color:var(--text-primary);flex-direction:column;display:flex;overflow-y:auto}.prism-app-header{z-index:2;background:var(--surface-deep);border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:18px 32px;display:flex;position:sticky;top:0}.prism-app-back{border:1px solid var(--line);border-radius:var(--r-sm);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:background var(--m-fast), color var(--m-fast);background:0 0;place-items:center;display:grid}.prism-app-back:hover{background:var(--surface-glass);color:var(--text-primary)}.prism-app-back svg{width:16px;height:16px}.prism-app-brand{font-size:var(--fs-lg);letter-spacing:-.01em;font-weight:700}.prism-app-main{flex-direction:column;flex:1;align-items:stretch;gap:0;padding:0;display:flex}.prism-app-hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:20px;min-height:clamp(220px,36dvh,480px);padding:clamp(40px,7dvh,72px) clamp(20px,5vw,48px) clamp(32px,5dvh,52px);display:flex}.prism-app-title{letter-spacing:-.03em;margin:0;font-size:clamp(40px,6vw,72px);font-weight:700;line-height:1.05}.prism-app-lede{color:var(--text-secondary);max-width:640px;margin:0;font-size:clamp(15px,1.4vw,18px);line-height:1.65}.prism-dropzone{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface-glass);cursor:pointer;width:100%;min-height:clamp(160px,28dvh,400px);transition:background var(--m-fast), border-color var(--m-fast);border-left:none;border-right:none;border-radius:0;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:clamp(40px,7dvh,80px) clamp(20px,5vw,48px);display:flex;position:relative}.prism-dropzone:hover,.prism-dropzone:focus-visible{background:color-mix(in oklab, var(--presence) 6%, var(--surface-glass));outline:none}.prism-dropzone--over{background:color-mix(in oklab, var(--presence) 12%, var(--surface-glass));border-color:var(--presence)}.prism-dropzone svg{width:40px;height:40px;color:var(--text-muted)}.prism-dropzone-label{color:var(--text-primary);font-size:clamp(16px,1.6vw,20px);font-weight:600}.prism-dropzone-hint{font-size:var(--fs-sm);color:var(--text-muted);letter-spacing:.03em}.prism-app-error{width:100%;max-width:860px;font-size:var(--fs-sm);color:var(--danger);margin-inline:auto;padding:12px 32px 0}.prism-staged{flex-direction:column;gap:12px;width:100%;max-width:860px;margin-inline:auto;padding:28px 32px;display:flex}.prism-staged-label{font-size:var(--fs-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin:0;font-weight:600}.prism-staged-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.prism-staged-item{border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-glass);align-items:center;gap:10px;padding:12px 14px;display:flex}.prism-staged-item svg{width:16px;height:16px;color:var(--text-muted);flex-shrink:0}.prism-staged-name{font-size:var(--fs-md);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.prism-staged-remove{border-radius:var(--r-sm);width:26px;height:26px;color:var(--text-faint);cursor:pointer;transition:background var(--m-fast), color var(--m-fast);background:0 0;border:none;flex-shrink:0;place-items:center;display:grid}.prism-staged-remove:hover{background:var(--surface-glass-strong);color:var(--text-primary)}.prism-staged-remove svg{width:13px;height:13px;color:inherit}.prism-confirm-btn{border-radius:var(--r-md);background:var(--presence);color:#fff;font-size:var(--fs-md);cursor:pointer;transition:opacity var(--m-fast), transform var(--m-fast);border:none;align-self:flex-end;align-items:center;gap:8px;padding:14px 28px;font-weight:600;display:inline-flex}.prism-confirm-btn:hover{opacity:.88}.prism-confirm-btn:active{transform:translateY(1px)}.prism-confirm-btn svg{width:15px;height:15px}.prism-confirm-row{align-self:flex-end;align-items:center;gap:10px;display:flex}.prism-confirm-row .prism-confirm-btn{align-self:auto}.prism-confirm-alt{color:var(--text-primary);border:1px solid var(--line-strong);background:0 0}.prism-confirm-alt:hover{opacity:1;background:var(--surface-deep)}.prism-app-features{grid-template-columns:repeat(3,1fr);align-self:center;gap:16px;width:100%;max-width:1200px;margin:0;padding:32px 32px 48px;list-style:none;display:grid}@media (width<=720px){.prism-app-features{grid-template-columns:1fr}}.prism-app-features li{border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-glass);font-size:var(--fs-md);color:var(--text-secondary);padding:20px 22px;line-height:1.6}.prism-app-features li strong{color:var(--text-primary);font-weight:600}