:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1d1d1f;background:#f5f5f7}
*{box-sizing:border-box}body{margin:0}.hidden{display:none!important}
button,input,textarea{font:inherit}.app{max-width:1500px;margin:auto;min-height:100vh;background:#fff}
header{height:82px;padding:18px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e5e5e7}
h1{margin:1px 0;font-size:24px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.14em;color:#6e6e73}
.header-actions{display:flex;gap:8px}button{border:0;border-radius:10px;padding:10px 14px;cursor:pointer;background:#0071e3;color:white;font-weight:600}
button.secondary{background:#eef5ff;color:#0066cc}button.ghost{background:#f5f5f7;color:#3a3a3c}
.tabs{padding:10px 24px;border-bottom:1px solid #e5e5e7;display:flex;gap:6px}
.tabs button{background:transparent;color:#6e6e73;padding:8px 10px}.tabs button.active{background:#f5f5f7;color:#1d1d1f}
main{display:grid;grid-template-columns:390px 1fr;min-height:calc(100vh - 133px)}
aside{border-right:1px solid #e5e5e7;overflow:auto;max-height:calc(100vh - 133px)}
.ticket{padding:16px 18px;border-bottom:1px solid #ececee;cursor:pointer}.ticket:hover,.ticket.active{background:#f7f7f9}
.ticket .subject{font-weight:650;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ticket .meta{font-size:12px;color:#86868b;margin-top:5px}.ticket .orders{font-size:12px;color:#0066cc;margin-top:7px}
.detail{padding:26px;overflow:auto;max-height:calc(100vh - 133px)}.detail.empty{display:grid;place-items:center}
.empty-state{color:#86868b}.detail h2{font-size:22px;margin:0 0 6px}.submeta{color:#86868b;font-size:13px;margin-bottom:22px}
.card{border:1px solid #e5e5e7;border-radius:14px;padding:16px;margin:14px 0;background:#fff}
.body{white-space:pre-wrap;line-height:1.55;font-size:14px}.order-grid{display:grid;gap:10px}
.order{background:#f7f7f9;border-radius:12px;padding:13px}.ok{color:#1f7a3f}.bad{color:#b42318}.muted{color:#86868b}
.attachments{display:flex;gap:8px;flex-wrap:wrap}.attachments a{font-size:13px;color:#0066cc;text-decoration:none;background:#eef5ff;padding:8px 10px;border-radius:9px}
textarea{width:100%;min-height:150px;border:1px solid #d2d2d7;border-radius:12px;padding:13px;resize:vertical;outline:none}
textarea:focus,input:focus{border-color:#0071e3;box-shadow:0 0 0 3px rgba(0,113,227,.12)}
.reply-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:10px}.error{color:#b42318;font-size:13px;margin-top:10px}
.login{min-height:100vh;display:grid;place-items:center;background:#f5f5f7}.login-card{width:min(390px,calc(100vw - 32px));background:white;border-radius:18px;padding:28px;box-shadow:0 12px 40px rgba(0,0,0,.08)}
.login-card p{color:#86868b;margin-top:4px}.login-card input{width:100%;padding:12px;border:1px solid #d2d2d7;border-radius:10px;margin:12px 0}.login-card button{width:100%}
@media(max-width:760px){header{height:72px;padding:14px 16px}.tabs{padding:8px 12px;overflow:auto}main{display:block}.app.has-detail aside{display:none}.detail{display:none;padding:18px;max-height:none}.app.has-detail .detail{display:block}aside{border-right:0;max-height:none}.detail.empty{display:none}.ticket{padding:15px 16px}.back{display:inline-block!important}}
.back{display:none;background:#f5f5f7;color:#1d1d1f;margin-bottom:14px}