.teacher-preview-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.teacher-preview-heading h1{margin:0 0 5px;color:#245c37}
.teacher-preview-heading p{margin:0;color:#617a66}
.teacher-preview-safe{padding:8px 12px;border-radius:999px;background:#eaf6ec;color:#286b3c;font-size:.82rem;font-weight:700;white-space:nowrap}
.teacher-preview-courses{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-bottom:14px}
.teacher-preview-courses button{min-height:46px;padding:9px 6px;border:1px solid #cfe3d1;border-radius:11px;background:#fff;color:#356745;font:inherit;font-weight:800;cursor:pointer}
.teacher-preview-courses button.active{background:#e7f4e7;border-color:#67af76;color:#1d6935}
.teacher-preview-picker{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));align-items:end;gap:12px;padding:16px;background:#fff;border:1px solid #dce9dc;border-radius:16px;margin-bottom:12px}
.teacher-preview-picker-single{grid-template-columns:minmax(0,1fr)}
.teacher-preview-picker label{display:grid;gap:6px;color:#385b41;font-weight:700}
.teacher-preview-picker .form-input,.teacher-preview-picker .form-select{width:100%;min-width:0;box-sizing:border-box;font-size:16px}
.teacher-preview-tabs{display:flex;gap:8px;margin:20px 0 14px}
.teacher-preview-tabs[hidden]{display:none}
.teacher-preview-tabs button{padding:10px 18px;border:1px solid #cfe3d1;border-radius:10px;background:#fff;color:#356745;font-weight:800;cursor:pointer}
.teacher-preview-tabs button.active{background:#e7f4e7;border-color:#67af76;color:#1d6935}
.teacher-preview-list-panel,.teacher-preview-practice{padding:20px;background:#fff;border:1px solid #dce9dc;border-radius:16px;box-shadow:0 8px 28px rgba(31,80,43,.05)}
.teacher-preview-list-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}
.teacher-preview-list-head h2{margin:0 0 5px;font-size:1.2rem;color:#245c37}
.teacher-preview-list-head span{color:#718372;font-size:.85rem}
.teacher-preview-list-head .form-input{width:min(280px,100%);font-size:16px}
.teacher-preview-word-list{display:grid;gap:8px;max-height:65vh;overflow-y:auto;padding:2px 5px 2px 2px}
.teacher-preview-word{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr) auto;align-items:center;gap:12px;width:100%;box-sizing:border-box;min-height:58px;padding:10px 14px;border:1px solid #dce9dc;border-left:4px solid #55a565;border-radius:11px;background:#fcfefb;text-align:left;color:#304c38;cursor:pointer}
.teacher-preview-word:hover,.teacher-preview-word:focus-visible{background:#f0f8ee;border-color:#8bc994}
.teacher-preview-word-english{display:flex;align-items:baseline;flex-wrap:wrap;gap:5px 9px;min-width:0}
.teacher-preview-word-english strong{font-size:1.05rem;color:#23703b;overflow-wrap:anywhere}
.teacher-preview-word-english small{color:#26475b;font-size:.95rem;font-weight:600}
.teacher-preview-word-meaning{min-width:0;color:#536554;line-height:1.45;overflow-wrap:anywhere}
.teacher-preview-word-audio{font-size:1.1rem}
.teacher-preview-list-status{text-align:center;color:#738475;font-size:.82rem;margin-top:12px}
.teacher-preview-empty{padding:35px 15px;text-align:center;color:#738475}
.teacher-preview-practice-head{display:flex;align-items:center;gap:15px;margin-bottom:22px}
.teacher-preview-practice-head>span{display:grid;place-items:center;width:56px;height:56px;border-radius:16px;background:#e8f5e9;font-size:1.7rem}
.teacher-preview-practice-head h2{margin:0 0 4px;color:#245c37}
.teacher-preview-practice-head p{margin:0;color:#68806c}
.teacher-preview-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:24px}
.teacher-preview-steps>div{display:grid;gap:6px;align-content:start;padding:16px;border:1px solid #dbe9db;border-radius:12px;background:#f9fdf8}
.teacher-preview-steps b{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#dcefdc;color:#27713d}
.teacher-preview-steps strong{color:#2d6440}
.teacher-preview-steps span{color:#6c7f6e;font-size:.85rem;line-height:1.45}
.teacher-preview-start{min-width:220px;min-height:46px}
body.teacher-preview #classroomNotesBtn,body.teacher-preview #pageClassroom [data-course-word-notes]{display:none}
@media(max-width:700px){.teacher-preview-courses{grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-preview-picker{grid-template-columns:1fr}.teacher-preview-steps{grid-template-columns:1fr}.teacher-preview-list-head{align-items:stretch;flex-direction:column}.teacher-preview-list-head .form-input{width:100%}}
@media(max-width:520px){.teacher-preview-heading{align-items:flex-start;flex-direction:column}.teacher-preview-heading h1{font-size:1.4rem}.teacher-preview-word{grid-template-columns:minmax(0,1fr) auto;gap:6px 10px}.teacher-preview-word-meaning{grid-column:1}.teacher-preview-word-audio{grid-column:2;grid-row:1/3}.teacher-preview-practice{padding:16px}.teacher-preview-start{width:100%}}