:root{--ink:#202124;--muted:#6d7074;--line:#c9ccd0;--panel:#f1f2f3;--paper:#fff;--accent:#22a9a2;--accent-dark:#147c77;--danger:#a22b2b}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;width:100%;min-height:100%;background:transparent;color:var(--ink);font:14px Arial,Helvetica,sans-serif;letter-spacing:.025em}.feedback-box{position:relative;width:100%;padding:18px 20px;background:var(--panel);border:1px solid #e4e5e6}.text-field>span{display:flex;gap:7px;margin-bottom:7px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}#counter{font-size:10px;letter-spacing:.03em}textarea{display:block;width:100%;min-height:150px;max-height:min(70vh,600px);padding:12px;border:1px solid var(--line);border-radius:0;background:#fff;color:var(--ink);font:inherit;line-height:1.5;resize:vertical;outline:none}textarea:focus{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}.actions{display:grid;grid-template-columns:minmax(0,1fr) 120px;gap:10px;margin-top:10px}.send-button,.image-button{height:40px;border:1px solid var(--line);border-radius:0;padding:0 13px;font:inherit;cursor:pointer}.send-button{border-color:var(--accent-dark);background:var(--accent);color:#fff;font-weight:700}.send-button:hover{background:var(--accent-dark)}.send-button:disabled{opacity:.55;cursor:wait}.image-button{display:inline-flex;align-items:center;justify-content:center;gap:5px;background:#fff;white-space:nowrap}.image-button:hover{border-color:var(--ink)}.hint{margin:8px 0 0;color:var(--muted);font-size:11px}.status{min-height:16px;margin:7px 0 0;color:var(--danger);font-size:12px}.preview{position:relative;width:fit-content;margin-top:10px}.preview img{display:block;max-width:220px;max-height:150px;border:1px solid var(--line)}.preview button{position:absolute;right:-9px;top:-9px;width:24px;height:24px;border:1px solid var(--line);border-radius:50%;background:#fff;cursor:pointer}.drop-hint{position:absolute;inset:18px 20px 101px;z-index:3;display:none;align-items:center;justify-content:center;border:2px dashed var(--accent);background:rgba(241,242,243,.94);color:var(--accent-dark);font-weight:700;pointer-events:none}.feedback-box.dragging .drop-hint{display:flex}.success{min-height:245px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.check{width:42px;height:42px;display:grid;place-items:center;margin-bottom:12px;background:var(--accent);color:#fff;font-size:23px;font-weight:700}.success strong{font-size:19px}.success p{margin:7px 0 17px;color:var(--muted)}.success button{padding:9px 13px;border:1px solid var(--line);border-radius:0;background:#fff;cursor:pointer}@media(max-width:600px){body{font-size:13px}.feedback-box{padding:14px 12px}.drop-hint{inset:14px 12px 97px}textarea{min-height:140px}.actions{grid-template-columns:minmax(0,1fr) 120px}.hint{line-height:1.4}.preview img{max-width:180px;max-height:120px}}