:root{--accent:#2860ed;--bg:#f0f1f4;--ink:#252b36;--muted:#697381}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}main{max-width:1100px;margin:auto;padding:28px 20px}header,.toolbar,.detail-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}h1{font-size:26px;margin:0}h2{font-size:20px;margin:0 0 16px}p{margin:8px 0}small,.muted{color:var(--muted);font-size:13px}.card{background:white;border-radius:10px;padding:24px}#login{max-width:460px;margin:50px auto}.layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:18px;margin-top:18px}button,input,textarea,select{font:inherit}button{border:0;cursor:pointer;background:#e9ebef;border-radius:999px;padding:10px 20px;min-height:44px;color:var(--ink)}button:disabled{opacity:.5;cursor:wait}button.primary{background:var(--accent);color:#fff}input,textarea,select{width:100%;border:0;background:var(--bg);border-radius:10px;color:var(--ink);padding:12px;outline:none}input{margin:8px 0}textarea{resize:vertical;min-height:110px}.toolbar{margin-top:24px}.toolbar select{width:160px}.ticket{display:block;width:100%;border-radius:8px;text-align:left;background:none;padding:14px 10px}.ticket.active{background:#eaf0ff;color:var(--accent)}.ticket p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:4px 0}.message{margin:16px 0;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--bg);padding:14px;border-radius:10px}.message.admin{background:#eaf0ff}.message small{display:block;margin-bottom:6px}.detail-heading{margin-bottom:20px}.reply{display:grid;gap:12px;margin-top:24px}#error{color:#d63939}#tickets{max-height:70vh;overflow:auto}#more{width:100%;margin-top:12px}.empty{padding:20px 0;color:var(--muted)}[hidden]{display:none!important}@media(max-width:700px){.layout{grid-template-columns:1fr}.card{padding:20px}#tickets{max-height:270px}main{padding:20px 16px}}