*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f5f5f5;color:#222;min-height:100vh}.container{max-width:680px;margin:0 auto;padding:2rem 1rem}header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;margin-bottom:2rem}h1{font-size:1.75rem;font-weight:700}.versions{display:flex;gap:.5rem}.badge{font-size:.75rem;font-weight:600;padding:.25rem .6rem;border-radius:999px;background:#e8e8e8;color:#555;white-space:nowrap}.badge.error{background:#fee2e2;color:#b91c1c}form{background:#fff;border:1px solid #e5e5e5;border-radius:12px;padding:1.5rem;display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.field{display:flex;flex-direction:column;gap:.35rem}label{font-size:.875rem;font-weight:600;color:#444}input,textarea{font-family:inherit;font-size:.95rem;padding:.6rem .75rem;border:1px solid #d5d5d5;border-radius:8px;outline:none;transition:border-color .15s;resize:vertical}input:focus,textarea:focus{border-color:#555}button{align-self:flex-start;font-family:inherit;font-size:.95rem;font-weight:600;padding:.6rem 1.4rem;background:#222;color:#fff;border:none;border-radius:8px;cursor:pointer;transition:background .15s}button:hover{background:#444}button:disabled{background:#999;cursor:not-allowed}.form-error{font-size:.85rem;color:#b91c1c;min-height:1.1rem}#messages-section h2{font-size:1.1rem;font-weight:700;margin-bottom:1rem}.loading{color:#777;font-size:.9rem}.load-error{color:#b91c1c;font-size:.9rem}.hidden{display:none}.messages{list-style:none;display:flex;flex-direction:column;gap:.75rem}.message{background:#fff;border:1px solid #e5e5e5;border-radius:12px;padding:1rem 1.25rem}.message-header{display:flex;justify-content:space-between;align-items:baseline;gap:.5rem;margin-bottom:.4rem}.message-email{font-size:.875rem;font-weight:600;color:#333}.message-time{font-size:.75rem;color:#999;white-space:nowrap}.message-content{font-size:.95rem;color:#444;line-height:1.5;white-space:pre-wrap}.empty{font-size:.9rem;color:#999;text-align:center;padding:2rem 0}