:root{font-family:"Segoe UI","Microsoft JhengHei",sans-serif;color:#292724;background:#eef1f5;--paper:#fffdfa;--accent:#e6532d;--line:#c9c4bc}*{box-sizing:border-box}body{margin:0}main{width:min(1120px,calc(100% - 32px));margin:32px auto}header{display:flex;justify-content:space-between;align-items:end}header h1{margin:4px 0}header a{color:#292724;border:1px solid #292724;border-radius:9px;padding:10px 14px;text-decoration:none}.login{width:min(430px,100%);margin:80px auto;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:26px}.login form{display:flex;gap:8px}.login input{flex:1;padding:11px;border:1px solid var(--line);border-radius:8px}.login button,.filter{border:1px solid #292724;border-radius:9px;background:var(--paper);padding:10px 15px}.login button{background:var(--accent);color:#fff;border:0}nav{display:flex;gap:8px;margin:24px 0}.filter.active{border-color:var(--accent);background:#f9ddd3}#logout{margin-left:auto;border:0;background:transparent}.summary{color:#777;margin-bottom:10px}.list{display:grid;gap:10px}.ticket{display:grid;grid-template-columns:150px 1fr 130px 100px;align-items:center;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:17px;text-decoration:none;color:#292724}.ticket:hover{border-color:var(--accent)}.ticket small{display:block;color:#888;margin-bottom:4px}.badge{border:1px solid #888;border-radius:999px;padding:5px 9px;text-align:center;font-size:12px}.ticket b:last-child{color:var(--accent)}
.mail-card{display:grid;grid-template-columns:1fr minmax(320px,460px);gap:28px;align-items:center;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:14px;padding:20px 22px;margin:0 0 22px}.mail-card h2{margin:3px 0 6px}.mail-card p{margin:0;color:#716b65}.mail-card form{display:grid;grid-template-columns:1fr auto;gap:9px;align-items:end}.mail-card label{display:grid;gap:5px;font-size:13px;font-weight:700}.mail-card input{width:100%;padding:11px;border:1px solid var(--line);border-radius:8px;font:inherit}.mail-card button{padding:11px 16px;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:700;white-space:nowrap}.mail-card button:disabled{opacity:.6}.mail-card form p{grid-column:1/-1;font-size:13px}.mail-card .ok{color:#187346}.mail-card .err{color:#c43c22}
@media(max-width:760px){.mail-card{grid-template-columns:1fr}.mail-card form{grid-template-columns:1fr}.mail-card form p{grid-column:auto}}
@media(max-width:700px){.ticket{grid-template-columns:1fr}.ticket b:last-child{text-align:right}nav{overflow:auto}header{align-items:start}}

/* 顯示已銷案 */
.show-settled{display:inline-flex;align-items:center;gap:6px;margin-left:8px;color:#6b7280;font-size:13px}
.ticket .badge.settled{background:#fee2e2;color:#b91c1c}