:root{font-family:"Segoe UI","Microsoft JhengHei",sans-serif;color:#292724;background:#eef1f5;--accent:#e6532d;--paper:#fffdfa;--line:#c8c3bb}*{box-sizing:border-box}body{margin:0}main{width:min(1200px,calc(100% - 32px));margin:32px auto}header{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}h1{margin:4px 0;font-size:28px}p{color:#77716a}.header-actions{display:flex;gap:10px}.header-actions a,.header-actions button,.filter{border:1px solid #292724;border-radius:9px;background:var(--paper);padding:10px 15px;color:#292724;text-decoration:none;cursor:pointer}.login{width:min(440px,100%);margin:80px auto;background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:28px}.login form{display:flex;gap:8px}.login input{flex:1;padding:12px;border:1px solid var(--line);border-radius:8px}.login button,.save{border:0;background:var(--accent);color:#fff;border-radius:8px;padding:11px 18px;font-weight:700}.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.stats article,.ticket-section{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px}.stats strong{display:block;font-size:29px}.stats span{color:#77716a;font-size:13px}.stats .accent{background:#f9ddd3;border-color:var(--accent)}.toolbar{display:flex;justify-content:space-between;margin:18px 0}.filter.active{background:#f9ddd3;border-color:var(--accent)}.toolbar select{padding:9px;border-radius:8px}.section-title{display:flex;justify-content:space-between;align-items:center}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 10px;border-top:1px solid #ddd8d1;font-size:14px}td small{display:block;color:#777}.badge{border:1px solid #999;border-radius:999px;padding:4px 9px;font-size:12px}.badge.pending{color:#c83d1d;border-color:var(--accent)}.view{border:0;background:transparent;color:var(--accent);font-weight:700;cursor:pointer}dialog{width:min(680px,calc(100% - 24px));border:1px solid #292724;border-radius:15px;padding:0}dialog form{padding:25px}.detail-head{display:flex;justify-content:space-between}.detail-head button{border:0;background:none;font-size:28px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:#f4f1ec;padding:14px;border-radius:10px;margin:14px 0}.detail-grid p{margin:3px 0;color:#292724}dialog label{display:grid;gap:5px;margin-top:12px;font-weight:700}dialog input,dialog select,dialog textarea{padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit}.save{margin-top:16px;width:100%}@media(max-width:800px){.stats{grid-template-columns:1fr 1fr}header{align-items:start}.header-actions{flex-direction:column}.toolbar{gap:10px;flex-direction:column}.detail-grid{grid-template-columns:1fr}}

.mail-section{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;margin:18px 0}.mail-section h3{margin:18px 0 0;font-size:15px}.mail-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0}.mail-grid label,.office-mail-grid label{display:grid;gap:5px;font-size:13px;font-weight:700}.mail-grid .wide{grid-column:span 2}.mail-section input{padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit;width:100%}.office-mail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:10px 0 4px}.mail-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:16px}.mail-actions .save{margin:0;width:auto}.mail-actions button[type=button],.resend{border:1px solid #292724;background:var(--paper);border-radius:8px;padding:11px 16px;cursor:pointer;font:inherit}#mail-message{font-size:13px;margin:10px 0 0}#mail-message.ok{color:#1c7c48}#mail-message.err{color:#c83d1d}#mail-state{font-size:13px}.mail-on{color:#1c7c48}.mail-off{color:#c83d1d}.mail-line{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:14px 0 0;font-size:13px}@media(max-width:800px){.mail-grid,.office-mail-grid{grid-template-columns:1fr}.mail-grid .wide{grid-column:auto}}
.header-actions select{border:1px solid var(--accent);border-radius:9px;background:#fff5f0;padding:10px 14px;font:inherit}.stats article small{display:block;color:#8a837c;margin-top:7px}.dashboard-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:18px;margin-top:16px}.dashboard-card h2{font-size:17px}.dashboard-card .section-title small{color:#8a837c}.dashboard-split{display:grid;grid-template-columns:.72fr 1.28fr;gap:16px}.office-overview{display:grid;gap:12px;margin-top:12px}.office-row{display:grid;grid-template-columns:190px 1fr 1fr 90px;gap:14px;align-items:center;border-top:1px solid #e5e0d9;padding-top:12px}.office-metric{display:grid;grid-template-columns:76px 1fr;gap:9px;align-items:center;font-size:12px}.office-metric i,.rating-line i{display:block;height:12px;background:#e9e5df;border-radius:4px;overflow:hidden}.office-metric i b,.rating-line i b{display:block;height:100%;background:#292724}.office-metric i b.resolved{background:#68747f}.hours{text-align:right;color:#6d6761;font-size:13px}.rating-summary{display:flex;align-items:end;gap:12px;margin:16px 0 20px}.rating-summary strong{font-size:42px;color:var(--accent)}.rating-summary span{padding-bottom:7px}.rating-line{display:grid;grid-template-columns:75px 1fr 35px;gap:10px;align-items:center;margin:12px 0}.rating-line i b{background:var(--accent)}.rating-line i b.bad{background:#8e8983}.rating-line em{font-style:normal;text-align:right}.pending-overview{display:grid;margin-top:8px}.pending-overview button{display:grid;grid-template-columns:1fr auto;gap:18px;text-align:left;border:0;border-top:1px solid #e5e0d9;background:transparent;padding:12px 0;cursor:pointer;color:#292724}.pending-overview button span{display:grid;gap:3px}.pending-overview button span:last-child{text-align:right}.pending-overview small{color:#77716a}.pending-overview em{font-style:normal;color:var(--accent);font-size:12px}.empty{padding:20px 0}.mail-grid input:disabled{background:#f1eee9;color:#615b55}@media(max-width:900px){.dashboard-split{grid-template-columns:1fr}.office-row{grid-template-columns:1fr}.hours{text-align:left}.office-metric{grid-template-columns:80px 1fr}}
.student-mail-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-top:20px;border-top:1px dashed #d8d2ca;padding-top:4px}.student-mail-head p{font-size:13px;margin:5px 0 0}.student-mail-head button,.student-mail-row button{border:1px solid #292724;background:var(--paper);border-radius:8px;padding:9px 13px;cursor:pointer;white-space:nowrap}.student-mail-list{display:grid;gap:9px;margin-top:10px}.student-mail-row{display:grid;grid-template-columns:1fr auto;gap:9px}.student-mail-row button{color:#b83c22}@media(max-width:600px){.student-mail-head{align-items:start;flex-direction:column}.student-mail-row{grid-template-columns:1fr}}
.test-mail-label{display:grid;gap:4px;font-size:12px;font-weight:700;min-width:250px}.test-mail-label input{padding:9px}.mail-actions button:disabled{opacity:.6;cursor:wait}@media(max-width:600px){.test-mail-label{width:100%;min-width:0}}

/* ---- 2026-09-01 儀表板：單位總覽、評分分布、待處理提問單（時數＋台灣時間） ---- */
.stats strong{display:flex;align-items:baseline;gap:7px}
.stats strong em{font-style:normal;font-size:14px;font-weight:600;color:#8a837c}
.stats .accent strong em.star{color:var(--accent);font-size:20px}
.unit-table{margin-top:6px}
.unit-row{display:grid;grid-template-columns:150px 1fr 1.15fr 120px;gap:16px;align-items:center;border-top:1px solid #e5e0d9;padding:11px 0;font-size:14px}
.unit-row strong{font-weight:700}
.unit-head{border-top:0;color:#8a837c;font-size:12px;padding-bottom:4px}
.unit-head span:nth-child(4){text-align:right}
.bar{display:grid;grid-template-columns:1fr 42px;gap:10px;align-items:center}
.bar i{display:block;height:12px;background:#eae6e0;border-radius:4px;overflow:hidden}
.bar i b{display:block;height:100%;background:#292724}
.bar i b.slow{background:var(--accent)}
.bar em{font-style:normal;text-align:right;font-size:13px}
.bar em.slow{color:var(--accent);font-weight:700}
.score{text-align:right;font-weight:700}
.score i{font-style:normal;color:var(--accent)}
.score small,.muted{color:#8a837c;font-weight:400;font-size:12px}
.score.muted{font-weight:400}
.rating-line{grid-template-columns:52px 1fr 34px}
.rating-line i b{background:#292724}
.rating-line i b.low{background:var(--accent)}
.note{font-size:12px;color:#8a837c;border-top:1px dashed #ddd8d1;padding-top:10px;margin:14px 0 0}
.pend-table{margin-top:6px}
.pend-row{display:grid;grid-template-columns:1.15fr 1fr .95fr 78px 68px;gap:12px;align-items:center;width:100%;text-align:left;border:0;border-top:1px solid #e5e0d9;background:transparent;padding:11px 0;font:inherit;font-size:14px;color:#292724;cursor:pointer}
.pend-head{border-top:0;color:#8a837c;font-size:12px;cursor:default;padding-bottom:4px}
.pend-row .no{font-weight:700}
.pend-row .wait{text-align:right}
.pend-row .wait.over{color:var(--accent);font-weight:700}
.pend-row span:last-child{text-align:right}
.badge.overdue{color:#c83d1d;border-color:var(--accent);background:#f9ddd3;font-weight:700}
.dash-foot{font-size:12px;color:#8a837c;margin:14px 2px 0}
@media(max-width:900px){.unit-row,.pend-row{grid-template-columns:1fr 1fr;gap:8px}.unit-head,.pend-head{display:none}.score,.pend-row .wait,.pend-row span:last-child{text-align:left}}

.mail-log-section{margin:18px 0}.mail-log-section>p{margin:4px 0 12px;font-size:13px}#mail-log-search{width:min(360px,100%);padding:10px;border:1px solid var(--line);border-radius:8px;font:inherit;margin-bottom:6px}#mail-log td small{margin-top:3px}#mail-log-count{font-size:13px;color:#8a837c}

.row-actions{white-space:nowrap;text-align:right}.danger{border:1px solid #d9b3a8;background:transparent;color:#c83d1d;border-radius:8px;padding:6px 12px;margin-left:8px;cursor:pointer;font:inherit;font-size:13px}.danger:hover{background:#f9ddd3;border-color:var(--accent)}.mail-line .danger{margin-left:auto}

/* 系所信箱與分派關鍵字 */
.dept-mail-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin:28px 0 10px}
.dept-mail-head h3{margin:0}
.dept-mail-head p{margin:4px 0 0;color:#6b7280;font-size:13px;line-height:1.6}
.dept-mail-list{display:flex;flex-direction:column;gap:10px}
.dept-group-title{margin:14px 0 2px;font-size:13px;font-weight:700;color:#2563eb;letter-spacing:.04em}
.dept-row{display:grid;grid-template-columns:200px 250px 1fr;gap:10px;align-items:center}
.dept-row .dept-name{font-size:14px;color:#1f2933}
.dept-row input{width:100%;padding:8px 10px;border:1px solid #d7dce2;border-radius:8px;font-size:13px}
@media (max-width:900px){.dept-row{grid-template-columns:1fr}.dept-row .dept-name{font-weight:700}
.dept-mail-head{flex-direction:column;align-items:stretch}}

/* 系所統一收件信箱與統計 */
.dept-to-label{display:block;margin:0 0 14px;font-size:13px;color:#6b7280}
.dept-to-label input{display:block;width:320px;max-width:100%;margin-top:6px;padding:8px 10px;
  border:1px solid #d7dce2;border-radius:8px;font-size:14px}
.dept-stats-head{display:flex;align-items:baseline;gap:12px;margin:26px 0 8px}
.dept-stats-head h3{margin:0}
.dept-stats-head span{color:#6b7280;font-size:13px}
.dept-stats-table{width:100%;border-collapse:collapse;font-size:13px}
.dept-stats-table th,.dept-stats-table td{padding:8px 10px;border-bottom:1px solid #eef1f5;text-align:left}
.dept-stats-table th{color:#6b7280;font-weight:600}
.dept-stats-table td.num{font-variant-numeric:tabular-nums}

/* 銷案標記 */
.badge.settled{background:#d1fae5;color:#047857}
.dept-stats-table td small{display:block;color:#9aa4b2;font-size:11px}
button.settle-btn{background:#047857;color:#fff;border:0;border-radius:8px;padding:8px 14px;font-weight:700;cursor:pointer;margin-right:8px}