.teacher-wrap{max-width:1040px;margin:auto;padding:20px 24px 60px}.top a{color:var(--mute);font-size:12px}.teacher-title{display:flex;align-items:center;justify-content:space-between;margin:30px 0 22px}.teacher-title h1{font-size:32px;letter-spacing:-1px;margin:0}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:20px 0}.toolbar .button{width:auto;margin:0;padding:10px 16px;font-size:14px}.toolbar select{margin-left:auto}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.stats .card{margin:0}.stats b{display:block;font-size:28px}.stats small{color:var(--mute)}.tabs{display:flex;border-bottom:1px solid #111;gap:10px;margin-top:28px}.tabs button{background:none;border:0;padding:12px 18px;font-size:15px;color:var(--mute)}.tabs .selected{color:#111;font-weight:800;border-bottom:3px solid var(--red)}.post-row,.student-row{display:flex;justify-content:space-between;align-items:center;gap:16px}.row-actions{display:flex;gap:7px;flex-wrap:wrap}.mini{border:1px solid #ccc;border-radius:7px;background:white;font-size:12px;padding:7px 10px;cursor:pointer;white-space:nowrap}.badge{color:var(--red);font-size:12px;font-weight:700}.muted{opacity:.55}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:block;font-size:13px;margin:12px 0}.field input,.field select,select{display:block;width:100%;background:#fff;border:1px solid #aaa;border-radius:7px;padding:10px;font:inherit}.toolbar select{width:auto;max-width:210px}.field textarea{min-height:90px}.table-scroll{overflow-x:auto;margin-top:16px}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th,td{border-bottom:1px solid #ddd;padding:11px 8px;vertical-align:top}td{overflow-wrap:anywhere}td.memo{min-width:160px;white-space:pre-wrap}th{white-space:nowrap}.intro{background:#fff;border-left:3px solid var(--red);padding:14px 16px;font-size:13px}.inline-note{font-size:12px;color:var(--mute)}.link-output{min-height:110px;font-size:12px;word-break:break-all}.notice{padding:12px;background:#f6f6f4;font-size:13px;border-radius:8px}#teacher-toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#111;color:white;border-radius:8px;padding:12px 20px;font-size:13px;z-index:10;max-width:90vw}#teacher-toast:empty{display:none}.wide-dialog{width:min(940px,96vw)}@media(max-width:600px){.teacher-wrap{padding:18px 16px 40px}.teacher-title h1{font-size:27px}.stats{gap:8px}.stats .card{padding:12px}.post-row,.student-row{align-items:flex-start;flex-direction:column;gap:8px}.form-grid{grid-template-columns:1fr}.toolbar select{margin-left:0}.tabs button{padding:12px}.row-actions{width:100%}.top b{letter-spacing:2px}}