:root{--ink:#20221f;--paper:#faf9f5;--green:#d9f567;--muted:#666b60;--border:#d9ddd0}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:18px;line-height:1.5}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}.container{max-width:640px;margin:auto;padding:28px 24px}.brand{display:flex;gap:12px;align-items:center;font-weight:800}.brand-mark{background:var(--ink);color:white;border-radius:14px;font-size:32px;line-height:52px;width:52px;text-align:center}.brand-mark span{color:var(--green)}#appLogo{margin-left:auto;font-size:14px;font-weight:600;border:1px solid var(--border);border-radius:20px;padding:5px 12px}.eyebrow{font-size:11px;letter-spacing:2px;margin:30px 0 18px;font-weight:700;color:var(--muted)}h1{font-size:clamp(44px,9vw,64px);line-height:1.03;letter-spacing:-2px;margin:0 0 18px}h2{font-size:30px;line-height:1.2}.subtitle{font-size:20px;margin:0 0 28px;color:var(--muted)}.dropzone{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;background:white;border:2px dashed #a2aa92;border-radius:24px;padding:26px 14px;color:var(--ink);transition:background .2s,transform .2s}.dropzone strong{font-size:30px;letter-spacing:-1px}.dropzone span:not(.upload-icon){font-size:17px}.dropzone small{color:var(--muted);font-size:13px}.upload-icon{display:grid;place-items:center;background:var(--green);border-radius:18px;width:64px;height:64px;font-size:42px;font-weight:bold}.dropzone:hover,.dropzone.dragover{background:#f0f8d9;border-color:#506322;transform:translateY(-2px)}.btn-primary{display:block;width:100%;border:0;border-radius:16px;padding:18px 20px;background:var(--ink);color:white;font-size:22px;font-weight:bold;margin-top:20px;min-height:64px}.btn-primary:hover{background:#3a432d}.helper{text-align:center;color:var(--muted);font-size:15px;margin:18px 0}.fine-print{color:var(--muted);font-size:12px}.file-list{margin-top:18px}.file-item{display:flex;align-items:center;gap:12px;background:white;border:1px solid var(--border);border-radius:12px;padding:12px;margin-top:8px}.file-info{min-width:0;flex:1}.file-name{display:block;overflow-wrap:anywhere;font-weight:700}.file-size{font-size:14px;color:var(--muted)}.btn-remove,.copy-btn{background:transparent;border:1px solid var(--border);border-radius:10px;padding:10px 14px;min-height:48px;color:var(--ink)}.total-size-summary,.progress-status{display:flex;justify-content:space-between;gap:12px;font-size:15px;margin:14px 0}.alert{display:none;background:#fff0eb;border:1px solid #d46545;padding:16px;border-radius:12px;margin-bottom:20px}.progress-container,.completion-modal{display:none;text-align:center;padding:20px 0}.progress-bar-bg{height:18px;border-radius:20px;background:#e4e7de;overflow:hidden;margin:24px 0 12px}.progress-bar-fill{width:0;height:100%;background:#526f13;transition:width .25s}.sending-icon,.success-tick{margin:10px auto 24px;background:var(--green);border-radius:28px;width:88px;height:88px;display:grid;place-items:center;font-size:55px}.sending-icon{animation:bob 1.2s ease-in-out infinite}.success-tick{animation:arrive .35s ease-out}.reception-code{font-size:clamp(60px,15vw,100px);font-weight:800;letter-spacing:8px;margin:18px 0;font-variant-numeric:tabular-nums}.completion-modal h1{font-size:64px}.completion-modal .btn-primary{margin-top:28px}footer{border-top:1px solid var(--border);padding-top:20px;margin-top:36px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between}:focus-visible{outline:3px solid #688620;outline-offset:5px}@keyframes bob{50%{transform:translateY(-8px)}}@keyframes arrive{from{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}@media(max-width:380px){.container{padding:20px 16px}.dropzone span:not(.upload-icon){font-size:15px}.brand{gap:8px}}