/* V5 Admin Pro — lớp → môn → chương rõ ràng, điểm & quà dễ thao tác */
.admin-content{max-width:1500px}.admin-hero-note{background:linear-gradient(135deg,#fff,#f7f4ff 52%,#fff3f7);border:1px solid #e9e1ff}.quick-links{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.subject-coverage{padding:18px;margin-bottom:18px;overflow:hidden}.coverage-head,.table-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.coverage-head h2,.table-title-row h2{font-family:'Baloo 2';margin:0 0 2px}.coverage-grade{margin-top:15px}.coverage-grade h3{font-family:'Baloo 2';margin:0 0 8px;color:#5c4abb}.coverage-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:9px}.coverage-subject{display:flex;align-items:center;gap:8px;min-width:0;padding:8px;border:1px solid #ece8f7;background:linear-gradient(145deg,#fff,#fbfaff);border-radius:15px;box-shadow:0 7px 15px rgba(60,54,103,.06);transition:.18s}.coverage-subject:hover,.coverage-subject.active{transform:translateY(-2px);border-color:#a889ff;box-shadow:0 10px 20px rgba(93,70,158,.14)}.coverage-icon{width:42px;height:42px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:#f5f4ff}.coverage-icon img{width:100%;height:100%;object-fit:cover}.coverage-subject strong{font-size:.72rem;line-height:1.15;color:#3f4864;display:block}.coverage-subject small{font-size:.59rem;color:#ed7b3c;font-weight:900;display:block;margin-top:3px}.lesson-admin-grid{grid-template-columns:390px minmax(0,1fr)}.step-box{display:grid;grid-template-columns:34px 1fr;gap:9px;align-items:start;padding:9px;border-radius:14px;background:#faf9ff;border:1px solid #eee9fb}.step-box>b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#8b68f7,#b38cff);color:#fff;box-shadow:0 5px 10px rgba(103,73,191,.2)}.lesson-filter{display:grid;grid-template-columns:130px 190px 180px auto;gap:7px;align-items:center}.responsive-table{overflow:auto}.table td small{display:block;color:#98a0b4;margin-top:3px}.lesson-list-panel .table{min-width:980px}.lesson-edit-details{min-width:360px}.lesson-edit-details summary{display:inline-flex;align-items:center;gap:4px;padding:7px 9px;background:#f3efff;border-radius:10px}.lesson-edit-box{grid-template-columns:1fr 1fr;min-width:360px}.mini-label{grid-column:1/-1;font-size:.66rem;font-weight:900;color:#737c91;margin-bottom:-4px}.empty-state{text-align:center;padding:30px;color:#8992a5;font-weight:800;background:#fafaff;border-radius:14px}
.points-layout{display:grid;grid-template-columns:1fr;gap:16px}.student-point-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.student-point-card{position:relative;display:grid;grid-template-columns:88px 1fr 260px;gap:15px;align-items:center;padding:16px;border-radius:22px;border:1px solid #ece8f7;overflow:hidden}.student-point-card:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(125deg,rgba(255,255,255,.95),rgba(255,255,255,.25));opacity:.55}.student-point-card.purple{background:linear-gradient(135deg,#f1ebff,#fff)}.student-point-card.pink{background:linear-gradient(135deg,#ffeaf1,#fff)}.student-point-card>*{position:relative;z-index:1}.student-point-card>img{width:82px;height:82px;object-fit:cover;border-radius:25px;border:4px solid #fff;box-shadow:0 9px 18px rgba(73,59,111,.13)}.student-point-card h3{font-family:'Baloo 2';font-size:1.35rem;margin:0}.student-point-card strong{display:block;font-size:1.12rem;color:#5d47c4}.student-point-card span{color:#e59d17;font-weight:900}.student-point-card form{display:grid;gap:7px}.star-rate{padding:8px 12px;border-radius:999px;background:#fff7d9;border:1px solid #ffe49d;font-weight:900;color:#b67c0b}.inline-setting{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.inline-setting .input{width:120px}.reward-create{display:grid;grid-template-columns:70px 1.3fr 170px 120px 1.4fr 90px auto;gap:8px}.reward-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.reward-admin-card{padding:15px;border-radius:20px;border:1px solid #ebe6f7;background:linear-gradient(150deg,#fff,#fbf9ff);box-shadow:0 9px 20px rgba(69,58,111,.07)}.reward-admin-head{display:flex;align-items:center;gap:10px}.reward-admin-head>span{font-size:2.5rem;filter:drop-shadow(0 6px 8px rgba(255,176,45,.18))}.reward-admin-head h3{font-family:'Baloo 2';margin:0}.reward-admin-head b{font-size:.72rem;color:#7a5bd3}.reward-admin-card>p{font-size:.78rem;color:#8b94a7}.reward-student-status{display:grid;gap:8px}.reward-person{display:grid;grid-template-columns:40px 1fr auto;gap:8px;align-items:center;padding:8px;background:#fff;border:1px solid #f0edf8;border-radius:13px}.reward-person img{width:38px;height:38px;border-radius:12px;object-fit:cover}.reward-person small{display:block;font-size:.66rem;color:#929bae}.reward-person .progress{height:6px;margin-top:4px}.reward-person .progress span{background:linear-gradient(90deg,#916cf5,#ff76a7)}.reward-ready,.reward-got,.reward-lock{border:0;border-radius:999px;padding:7px 9px;font-size:.66rem;font-weight:900}.reward-ready{background:#fff1c8;color:#a46b00;cursor:pointer}.reward-got{background:#e9faef;color:#238a4c;cursor:pointer}.reward-lock{background:#f2f3f7;color:#8d95a7}.reward-edit{display:grid;grid-template-columns:70px 1fr 110px 100px;gap:7px;margin:9px 0}.reward-edit .wide{grid-column:1/-1}.check-label{display:flex;align-items:center;gap:6px;font-size:.74rem;font-weight:800}.green-text{color:#2ca45a}
@media(max-width:1300px){.coverage-grid{grid-template-columns:repeat(5,1fr)}.student-point-card{grid-template-columns:75px 1fr}.student-point-card form{grid-column:1/-1;grid-template-columns:110px 1fr auto}.reward-create{grid-template-columns:70px 1fr 150px 100px}.reward-create .reward-desc{grid-column:1/4}.reward-admin-grid{grid-template-columns:1fr}.lesson-filter{grid-template-columns:1fr 1fr}.lesson-filter .input{grid-column:1/-1}}
@media(max-width:900px){.coverage-grid{grid-template-columns:repeat(3,1fr)}.student-point-grid{grid-template-columns:1fr}.lesson-admin-grid{grid-template-columns:1fr}.reward-create{grid-template-columns:70px 1fr}.reward-create .reward-desc{grid-column:1/-1}.reward-create button{grid-column:1/-1}}
@media(max-width:620px){.coverage-grid{grid-template-columns:repeat(2,1fr)}.coverage-head,.table-title-row{flex-direction:column}.student-point-card{grid-template-columns:64px 1fr}.student-point-card>img{width:60px;height:60px}.student-point-card form{grid-template-columns:1fr}.lesson-filter{grid-template-columns:1fr}.reward-edit{grid-template-columns:1fr}.reward-create{grid-template-columns:1fr}.coverage-subject{padding:6px}.coverage-icon{width:36px;height:36px}}

/* V6 */
.lesson-filter{display:flex;gap:7px;flex-wrap:wrap;align-items:center}.lesson-filter .select,.lesson-filter .input{min-width:150px}.lesson-filter .input{flex:1}.admin-table a{word-break:break-word}


/* ===== V35 • Video list filtering & pagination ===== */
.video-admin-layout{display:grid;grid-template-columns:390px minmax(0,1fr);gap:18px;align-items:start}
.video-add-panel,.video-list-panel{min-width:0}
.video-target-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.video-filter-panel{display:grid;grid-template-columns:repeat(4,minmax(145px,1fr));gap:9px;padding:12px;margin:12px 0 14px;background:linear-gradient(145deg,#fbfaff,#f7f8ff);border:1px solid #ebe7f8;border-radius:16px}
.video-filter-panel .field{margin:0;min-width:0}
.video-filter-panel label{font-size:.68rem}
.video-search-field{grid-column:span 2}
.video-filter-actions{display:flex;gap:8px;align-items:end;grid-column:span 2}
.video-table{min-width:940px}
.video-edit-details{min-width:290px}
.video-pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:15px;flex-wrap:wrap}
.video-page-numbers{display:flex;align-items:center;gap:5px}
.video-page-numbers a,.video-page-numbers span{min-width:34px;height:34px;display:grid;place-items:center;border-radius:10px;text-decoration:none;font-weight:900;color:#6555b8;background:#f4f1ff;border:1px solid #e5ddff}
.video-page-numbers a.active{background:linear-gradient(135deg,#7a5cf1,#a46ff7);color:#fff;border-color:transparent;box-shadow:0 6px 14px rgba(113,77,211,.22)}
.video-pager .is-disabled{pointer-events:none;opacity:.42}
@media(max-width:1250px){.video-admin-layout{grid-template-columns:330px minmax(0,1fr)}.video-filter-panel{grid-template-columns:repeat(2,minmax(150px,1fr))}.video-search-field,.video-filter-actions{grid-column:span 2}}
@media(max-width:900px){.video-admin-layout{grid-template-columns:1fr}.video-target-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.video-target-grid,.video-filter-panel{grid-template-columns:1fr}.video-search-field,.video-filter-actions{grid-column:1}.video-filter-actions{flex-direction:column;align-items:stretch}}

/* V49 - bảng quản trị rõ từng cột, không đè chữ và thao tác tốt trên màn hình nhỏ */
.admin-main,.admin-content,.admin-grid,.admin-table,.responsive-table{min-width:0}
.admin-content{width:100%;max-width:1540px;padding:24px clamp(14px,2vw,28px)}
.admin-top{box-shadow:0 7px 24px rgba(31,39,73,.05)}
.admin-sidebar{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#59617b transparent}
.admin-nav a{line-height:1.25}
.admin-table,.responsive-table,.vq-table-wrap,.olm-table-wrap{max-width:100%;overflow:auto;overscroll-behavior-inline:contain;border-radius:16px;scrollbar-width:thin;scrollbar-color:#b9afd9 #f4f2fa}
.table{width:100%;table-layout:auto;border-collapse:separate;border-spacing:0}
.table th{position:sticky;top:0;z-index:2;background:#f7f6fb;color:#59647b;white-space:nowrap}
.table th,.table td{line-height:1.42;overflow-wrap:anywhere;word-break:normal;background-clip:padding-box}
.table tbody tr:nth-child(even) td{background:#fcfcff}
.table tbody tr:hover td{background:#f7f4ff}
.table td.actions{min-width:210px;white-space:normal}
.table td.actions,.actions{gap:7px;align-items:center}
.table td.actions .btn,.actions .btn{white-space:nowrap;min-height:36px;padding:8px 10px}
.table td form{margin:0}
.lesson-list-panel .responsive-table,.video-list-panel .responsive-table{border:1px solid #e7e8f0}
.field{min-width:0}.field label{line-height:1.35}.input,.select,.textarea{min-width:0}
.card-pad{overflow-wrap:anywhere}
dialog{max-width:calc(100vw - 20px)}

@media(max-width:900px){
  .admin-sidebar{padding:12px 10px!important}
  .admin-sidebar h2{margin:0 4px 9px;font-size:1.15rem}
  .admin-nav{display:flex;gap:6px;overflow-x:auto;padding-bottom:5px;scrollbar-width:thin}
  .admin-nav a{flex:0 0 auto;margin:0;min-height:42px;align-items:center}
  .admin-top{height:auto;min-height:62px;padding:10px 14px;gap:10px;flex-wrap:wrap}
  .admin-content{padding:14px 12px 24px}
  .admin-grid,.lesson-admin-grid,.video-admin-layout{grid-template-columns:1fr!important}
}
@media(max-width:620px){
  .admin-stat-grid{grid-template-columns:1fr 1fr}
  .coverage-grid{grid-template-columns:1fr 1fr}
  .table{font-size:.78rem}
  .table th,.table td{padding:9px 8px}
  .table td.actions{min-width:180px}
  .coverage-head,.table-title-row{align-items:stretch}
  .coverage-head .btn,.table-title-row .btn{width:100%}
}