/* Aoki Nihongo – các trang bên trong */
:root{
  /* Bảng màu "Mặt hồ" lấy từ ảnh bìa: đêm, xanh mặt hồ, sương, băng, tuyết */
  --accent:#2F5A7E; --accent-dark:#224563; --accent-soft:#E6EEF5; --mist:#8FB0CC;
  --ink:#131A21; --muted:#62707E; --line:#E2E8EE; --bg:#fff; --bg-soft:#F2F5F8;
  --danger:#B4432F; --danger-soft:#FBECE8;
  --sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  --jp:"Hiragino Sans","Yu Gothic","Noto Sans JP","Meiryo",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:8px}
.wrap{width:min(1180px,100% - 48px);margin-inline:auto}
.jp{font-family:var(--jp)}
[hidden]{display:none!important}

/* ---------- Header dùng chung ---------- */
.topbar{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{font-weight:600;font-size:15px;letter-spacing:.08em}
.links{display:flex;align-items:center;gap:34px;list-style:none;font-size:15px;color:var(--muted)}
.links>li>a,.links>li>button{color:var(--muted);transition:color .15s;display:flex;align-items:center;gap:6px;padding:8px 0}
.links>li>a:hover,.links>li>button:hover,.links a[aria-current],.links button[aria-current]{color:var(--ink)}
.links a[aria-current],.links button[aria-current]{font-weight:600}

/* Menu xổ xuống: rê chuột (máy tính) hoặc bấm (điện thoại) */
.dd{position:relative}
.dd-menu{position:absolute;top:100%;left:-16px;min-width:210px;list-style:none;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:6px;box-shadow:0 18px 40px -18px rgba(20,40,60,.35);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .15s,transform .15s,visibility .15s}
.dd:hover .dd-menu,.dd:focus-within .dd-menu,.dd.open .dd-menu{opacity:1;visibility:visible;transform:none}
.dd-menu a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:10px 12px;border-radius:8px;color:var(--ink);font-weight:600}
.dd-menu a:hover,.dd-menu a[aria-current]{background:var(--accent-soft);color:var(--accent-dark)}
.dd-menu small{font-weight:400;color:var(--muted);font-size:13px}
.dd-menu.right{left:auto;right:0}
.caret{width:10px;height:10px;transition:transform .15s}
.dd:hover .caret,.dd.open .caret{transform:rotate(180deg)}

.user>a{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}
.user .dd>button{font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px;padding:8px 0}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}

/* Header trong suốt trên trang bìa */
.topbar.on-photo{position:absolute;inset:0 0 auto;background:none;border:0;color:#fff}
.on-photo .links>li>a,.on-photo .links>li>button{color:rgba(255,255,255,.75)}
.on-photo .links>li>a:hover,.on-photo .links>li>button:hover,.on-photo .links a[aria-current]{color:#fff}
.on-photo .bar{height:auto;padding:26px 0}
.on-photo .dd-menu{color:var(--ink)}
.on-photo .avatar{background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.6)}

/* ---------- Nút, ô nhập, thông báo ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;font-weight:600;font-size:15px;padding:12px 22px;white-space:nowrap;transition:background .15s,border-color .15s}
.btn-accent{background:var(--accent);color:#fff}.btn-accent:hover{background:var(--accent-dark)}
.btn-line{border:1px solid var(--line);background:#fff}.btn-line:hover{border-color:var(--accent);color:var(--accent-dark)}
.btn-danger{color:var(--danger)}
.btn[disabled]{opacity:.6;cursor:wait}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#fff;font-size:16px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field small{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.msg{border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:16px}
.msg.error{background:var(--danger-soft);color:var(--danger)}
.msg.ok{background:var(--accent-soft);color:var(--accent-dark)}
.notice{display:flex;justify-content:space-between;align-items:center;gap:16px;background:var(--accent-soft);color:var(--accent-dark);border-radius:12px;padding:12px 18px;font-size:14px;margin-top:24px}
.notice a{font-weight:600;text-decoration:underline}

/* ---------- Trang có ảnh nền (đăng nhập) ---------- */
.photo-page{min-height:100vh;min-height:100svh;display:grid;place-items:center;padding:96px 20px 40px;position:relative;
  background:#2b2f3f url(/assets/img/cover-1200.webp) center 30%/cover no-repeat}
.photo-page::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,36,.45),rgba(18,22,36,.7))}
.card{position:relative;width:min(420px,100%);background:#fff;border-radius:20px;padding:34px 32px 30px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.card h1{font-size:26px;font-weight:800;letter-spacing:-.01em}
.card .sub{color:var(--muted);font-size:15px;margin:6px 0 24px}
.card .btn{width:100%;padding:14px}
.card .foot{font-size:13px;color:var(--muted);margin-top:18px;text-align:center}

/* ---------- Khung trang ---------- */
main.page{padding:48px 0 80px}
.page-title{font-size:32px;font-weight:800;letter-spacing:-.015em;line-height:1.25}
.page-sub{color:var(--muted);margin-top:6px}
section.block{margin-top:56px}
.block-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}
.block-head h2{font-size:24px;font-weight:700;letter-spacing:-.01em}
.block-head p{color:var(--muted);font-size:15px;margin-top:2px}

/* Chọn trình độ */
.levels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:36px;max-width:860px}
.level-card{border:1px solid var(--line);border-radius:20px;padding:30px 30px 26px;text-align:left;transition:border-color .15s,box-shadow .15s;background:#fff;display:block;width:100%}
.level-card:hover{border-color:var(--accent);box-shadow:0 20px 40px -26px rgba(47,90,126,.6)}
.level-card .big{font-size:56px;font-weight:800;line-height:1;color:var(--accent)}
.level-card h2{font-size:19px;margin-top:14px}
.level-card p{color:var(--muted);font-size:15px;margin-top:4px}
.level-card .go{display:inline-block;margin-top:18px;font-weight:600;color:var(--accent-dark)}
.level-card.current{border:2px solid var(--accent)}

/* Trang trình độ: phần đầu */
.lv-hero{display:grid;grid-template-columns:minmax(0,1fr) 230px 340px;gap:16px;align-items:stretch}
.lv-intro{border:1px solid var(--line);border-radius:20px;padding:24px 26px;display:flex;flex-direction:column}
.lv-intro .eyebrow{color:var(--muted);font-size:14px}
.lv-intro h1{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.15;margin-top:2px}
.lv-now{color:var(--muted);font-size:14.5px;margin-top:6px}
.lv-now b{color:var(--ink);font-weight:600}
.coach{margin-top:12px;border-radius:12px;padding:10px 14px 10px 40px;font-size:14px;line-height:1.5;position:relative}
.coach::before{position:absolute;left:14px;top:10px;font-weight:800}
.coach.good{background:#E7F3EC;color:#1F6B44}.coach.good::before{content:"✓"}
.coach.ok{background:var(--accent-soft);color:var(--accent-dark)}.coach.ok::before{content:"→"}
.coach.warn{background:#FBF3E4;color:#8A5A12}.coach.warn::before{content:"!"}
.coach.bad{background:var(--danger-soft);color:var(--danger)}.coach.bad::before{content:"!"}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:auto;padding-top:14px}
.stat{background:var(--bg-soft);border-radius:12px;padding:10px 14px;display:flex;flex-direction:column}
.stat b{font-size:22px;font-weight:800;line-height:1.2}
.stat span{font-size:12.5px;color:var(--muted)}
.stat.warn b{color:var(--danger)}
a.stat.warn:hover{background:var(--danger-soft)}
.countdown-card{border-radius:20px;background:var(--accent-soft);color:var(--accent-dark);padding:22px 24px;display:flex;flex-direction:column;justify-content:center}
.countdown-card .label{font-size:13px;color:var(--muted)}
.countdown-card .num{font-size:88px;font-weight:800;line-height:1;letter-spacing:-.04em;color:var(--accent);margin:4px 0 2px}
.countdown-card .unit{font-size:16px;font-weight:600}
.countdown-card .date{font-size:13px;color:var(--muted);margin-top:auto;padding-top:14px}
.today{border-radius:20px;background:linear-gradient(160deg,#1D2B38,#2B3F52);color:#fff;padding:22px 24px;display:flex;flex-direction:column;gap:6px}
.today .label{font-size:13px;color:rgba(255,255,255,.65)}
.today .glyph{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-family:var(--jp);font-size:22px;font-weight:700;margin-bottom:4px}
.today h2{font-size:20px;line-height:1.3}
.today p{font-size:14px;color:rgba(255,255,255,.75)}
.today .acts{margin-top:auto;padding-top:10px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.today .btn{padding:9px 16px;font-size:14px;background:#fff;color:var(--ink)}
.today .btn:hover{background:var(--accent-soft)}
.today .btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.today .btn.ghost[aria-pressed="true"]{border-color:transparent;color:rgba(255,255,255,.7);font-weight:500;text-decoration:underline;padding:9px 6px}
.today .done-tag{font-size:13px;font-weight:600;color:#BFD4E6}
.today .soon{font-size:13px;color:rgba(255,255,255,.65)}

/* Chọn tuần */
.weeks{display:grid;grid-template-columns:repeat(var(--n,10),minmax(0,1fr));gap:10px}
.wk{border:1px solid var(--line);border-radius:14px;padding:12px 12px 12px;text-align:left;background:#fff;display:flex;flex-direction:column;gap:2px;transition:border-color .15s,background .15s}
.wk:hover{border-color:var(--accent)}
.wk .t{font-size:14px;font-weight:700}
.wk .d{font-size:12px;color:var(--muted)}
.wk .th{font-size:12.5px;color:var(--ink);margin-top:4px;line-height:1.35;min-height:2.7em}
.wk .bar{height:4px;border-radius:4px;background:var(--line);margin-top:8px;overflow:hidden}
.wk .bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.wk .c{font-size:12px;color:var(--muted);margin-top:4px}
.wk.now{border-color:var(--accent)}
.wk.now .c{color:var(--accent-dark);font-weight:600}
.wk.future{background:var(--bg-soft)}
.wk[aria-selected="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.wk[aria-selected="true"] .d,.wk[aria-selected="true"] .c,.wk[aria-selected="true"] .th{color:rgba(255,255,255,.85)}
.wk[aria-selected="true"] .bar{background:rgba(255,255,255,.3)}
.wk[aria-selected="true"] .bar i{background:#fff}
.wk.exam{background:var(--ink);border-color:var(--ink);color:#fff;cursor:default;justify-content:center}
.wk.exam .d,.wk.exam .th{color:rgba(255,255,255,.75)}
.wk.exam .jp{font-family:var(--jp);font-size:22px;font-weight:700}

/* Bài của tuần */
.days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:12px}
.day{border:1px solid var(--line);border-radius:14px;padding:14px 14px 14px;display:flex;flex-direction:column;gap:6px;min-height:232px;background:#fff}
.day .when{font-size:13px;color:var(--muted);display:flex;justify-content:space-between}
.day .glyph{width:40px;height:40px;border-radius:11px;background:var(--accent-soft);color:var(--accent-dark);font-family:var(--jp);font-weight:700;font-size:20px;display:grid;place-items:center;margin:6px 0 4px}
.day h3{font-size:15px;font-weight:600;line-height:1.35}
.day p{font-size:13px;color:var(--muted);line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.day .foot{margin-top:auto;display:flex;flex-direction:column;gap:6px;padding-top:6px}
.day .state{font-size:12.5px;font-weight:600;color:var(--muted)}
.day .row{display:flex;flex-direction:column;gap:6px}
.day .mini{justify-content:center;width:100%}
.mini{font-size:12.5px;font-weight:600;border-radius:8px;padding:6px 10px;border:1px solid var(--line);background:#fff;color:var(--ink);display:inline-flex;align-items:center;gap:4px}
.mini:hover{border-color:var(--accent);color:var(--accent-dark)}
.mini.go{background:var(--accent);border-color:var(--accent);color:#fff}
.mini.go:hover{background:var(--accent-dark);color:#fff}
.mini[aria-pressed="true"]{background:transparent;border-color:transparent;color:var(--muted);font-weight:500;text-decoration:underline;padding:2px 4px}
.day.today-card{border:2px solid var(--accent)}
.day.today-card .glyph{background:var(--accent);color:#fff}
.day.today-card .state{color:var(--accent-dark)}
.day.done .state{color:var(--accent-dark)}
.day.done .glyph{background:var(--accent-soft);color:var(--accent-dark)}
.day.late .state{color:var(--danger)}
.day.future{background:var(--bg-soft)}
.day.exam .glyph{background:var(--ink);color:#fff}

/* Bài quá hạn */
.late{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.late-row{display:grid;grid-template-columns:110px 44px minmax(0,1fr) auto;gap:16px;align-items:center;padding:14px 18px;border-top:1px solid var(--line)}
.late-row:first-child{border-top:0}
.late-row .when{font-size:13px;color:var(--danger);font-weight:600;line-height:1.35}
.late-row .when span{display:block;color:var(--muted);font-weight:400}
.late-row .glyph{width:40px;height:40px;border-radius:11px;background:var(--danger-soft);color:var(--danger);font-family:var(--jp);font-weight:700;font-size:20px;display:grid;place-items:center}
.late-row b{font-size:15px}
.late-row p{font-size:13.5px;color:var(--muted)}
.late-row .row{display:flex;gap:6px}
.late .empty{padding:22px;text-align:center}

/* Tài khoản + quản trị */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:32px;align-items:start}
.panel{border:1px solid var(--line);border-radius:18px;padding:26px 28px}
.panel h2{font-size:19px;margin-bottom:16px}
.info{display:grid;grid-template-columns:140px 1fr;gap:10px 16px;font-size:15px}
.info dt{color:var(--muted)}
.info dd{font-weight:600}
table.list{width:100%;border-collapse:collapse;font-size:14.5px}
table.list th{text-align:left;font-weight:500;color:var(--muted);font-size:13px;padding:10px 12px;border-bottom:1px solid var(--line)}
table.list td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.list code{font-family:ui-monospace,Menlo,Consolas,monospace;background:var(--bg-soft);padding:2px 6px;border-radius:6px}
table.list .actions{text-align:right;white-space:nowrap}
table.list .muted{color:var(--muted);font-size:13px}
table.list .actions button{font-size:13.5px;font-weight:600;color:var(--accent-dark);padding:4px 8px;border-radius:6px}
table.list .actions button:hover{background:var(--accent-soft)}
table.list .actions button.btn-danger{color:var(--danger)}
table.list .actions button.btn-danger:hover{background:var(--danger-soft)}
.created{margin-top:20px;border:1px dashed var(--accent);border-radius:14px;padding:18px 20px;background:#FAFDFD}
.created h3{font-size:15px;margin-bottom:10px}
.empty{color:var(--muted);font-size:15px;padding:16px 0}

footer.site{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:13px}

@media (max-width:900px){
  .links>li.hide-sm{display:none}
  .links{gap:18px}
  .lv-hero{grid-template-columns:1fr}
  .countdown-card{flex-direction:row;flex-wrap:wrap;align-items:baseline;justify-content:flex-start;gap:4px 10px}
  .countdown-card .num{font-size:56px}
  .countdown-card .label,.countdown-card .date{width:100%}
  .countdown-card .date{padding-top:4px}
  .lv-intro h1{font-size:28px}
  .weeks{grid-template-columns:repeat(var(--n,10),132px);overflow-x:auto;padding-bottom:8px}
  .days{grid-template-columns:repeat(7,180px);overflow-x:auto;padding-bottom:8px}
  .late-row{grid-template-columns:44px minmax(0,1fr);gap:10px 14px}
  .late-row .when{grid-column:1/-1}
  .late-row .row{grid-column:2}
  .levels,.two-col{grid-template-columns:1fr}
  .block-head{flex-direction:column;align-items:flex-start}
  table.list{font-size:13.5px}
  .user .name{display:none}
  .notice{flex-direction:column;align-items:flex-start;gap:6px}
}

/* ---------- Khu quản trị ---------- */
.admin{display:grid;grid-template-columns:210px minmax(0,1fr);gap:40px;padding:32px 0 80px}
.admin-nav{position:sticky;top:96px;align-self:start}
.admin-nav .nav-title{font-size:12px;font-weight:600;color:var(--muted);margin:0 12px 8px}
.admin-nav ul{list-style:none;display:grid;gap:2px}
.admin-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--muted);font-weight:500}
.admin-nav a:hover{background:var(--bg-soft);color:var(--ink)}
.admin-nav a[aria-current]{background:var(--accent-soft);color:var(--accent-dark);font-weight:600}
.admin-nav svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.admin-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.admin-head h1{font-size:28px;font-weight:800;letter-spacing:-.015em}
.admin-head p{color:var(--muted);font-size:15px;margin-top:2px}
.admin section.block{margin-top:40px}
.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:24px}
.kpi{border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.kpi b{display:block;font-size:28px;font-weight:800;line-height:1.15}
.kpi span{font-size:13px;color:var(--muted)}
.kpi.bad b{color:var(--danger)}
.class-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.class-card{border:1px solid var(--line);border-radius:16px;padding:18px 18px 16px;display:flex;flex-direction:column;gap:6px;transition:border-color .15s}
.class-card:hover{border-color:var(--accent)}
.class-card .top{display:flex;justify-content:space-between;align-items:baseline}
.class-card h3{font-size:18px}
.class-card .lv{font-size:12px;font-weight:700;background:var(--accent-soft);color:var(--accent-dark);border-radius:999px;padding:2px 9px}
.class-card .meta{font-size:13.5px;color:var(--muted)}
.pbar{display:inline-block;width:100%;height:6px;border-radius:6px;background:var(--line);overflow:hidden;vertical-align:middle}
.pbar i{display:block;height:100%;border-radius:6px;background:var(--accent)}
.pbar.good i{background:#2E8A57}.pbar.warn i{background:#C58A2B}.pbar.bad i{background:var(--danger)}
.rate{display:grid;grid-template-columns:90px auto;gap:8px;align-items:center;font-size:13.5px;font-weight:600;min-width:150px}
.tag{display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:2px 9px;white-space:nowrap}
.tag.good{background:#E7F3EC;color:#1F6B44}.tag.ok{background:var(--accent-soft);color:var(--accent-dark)}
.tag.warn{background:#FBF3E4;color:#8A5A12}.tag.bad{background:var(--danger-soft);color:var(--danger)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:500;color:var(--muted);background:#fff}
.chip:hover{border-color:var(--accent);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.sm{padding:5px 11px;font-size:13px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.toolbar select{border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:#fff;font-size:14px}
.scroll{overflow-x:auto}

/* Bảng theo dõi tuần */
table.matrix{border-collapse:separate;border-spacing:0;width:100%;font-size:14px}
table.matrix th{font-weight:500;color:var(--muted);font-size:12.5px;padding:8px 6px;text-align:center;border-bottom:1px solid var(--line);white-space:nowrap}
table.matrix th .g{display:block;font-family:var(--jp);font-size:16px;color:var(--ink);font-weight:700}
table.matrix th.today-col{color:var(--accent-dark);font-weight:700}
table.matrix td{padding:6px;text-align:center;border-bottom:1px solid var(--line)}
table.matrix td.name,table.matrix th.name{text-align:left;padding-left:4px;white-space:nowrap;font-weight:500}
table.matrix tfoot td{color:var(--muted);font-size:13px;font-weight:600;border-bottom:0}
.cell{width:34px;height:34px;border-radius:9px;display:inline-grid;place-items:center;font-weight:700;font-size:15px;border:1px solid transparent}
.cell.done{background:#E7F3EC;color:#1F6B44}
.cell.late{background:var(--danger-soft);color:var(--danger)}
.cell.open{border-color:var(--line);color:var(--muted)}
.cell.future{color:#C3CBD3}
button.cell:hover{border-color:var(--accent)}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:12px}
.legend .cell{width:22px;height:22px;font-size:12px;margin-right:6px;vertical-align:middle}

/* Bài quá hạn */
.late-cards{display:grid;gap:14px}
.late-card{border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.late-card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.late-card h3{font-size:17px}
.late-card .meta{font-size:13.5px;color:var(--muted);margin-top:2px}
.late-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.late-item{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:10px;padding:6px 8px 6px 6px;font-size:13px}
.late-item .g{width:28px;height:28px;border-radius:8px;background:var(--danger-soft);color:var(--danger);font-family:var(--jp);font-weight:700;display:grid;place-items:center}
.late-item button{font-size:12.5px;font-weight:600;color:var(--accent-dark);padding:2px 6px;border-radius:6px}
.late-item button:hover{background:var(--accent-soft)}
table.list input,table.list select{border:1px solid var(--line);border-radius:8px;padding:6px 8px;font-size:14px;width:100%;min-width:90px;background:#fff}

@media (max-width:900px){
  .admin{grid-template-columns:minmax(0,1fr);gap:16px;padding-top:16px}
  .admin-head{flex-direction:column;align-items:flex-start}
  .admin-nav{position:static}
  .admin-nav .nav-title{display:none}
  .admin-nav ul{display:flex;overflow-x:auto;gap:6px}
  .admin-nav a{white-space:nowrap;padding:8px 12px}
  .kpis{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Điểm số */
.sc{display:inline-grid;place-items:center;min-width:44px;height:34px;padding:0 6px;border-radius:9px;font-weight:700;font-size:14px;border:1px solid transparent;background:#fff}
.sc.good{background:#E7F3EC;color:#1F6B44}
.sc.ok{background:var(--accent-soft);color:var(--accent-dark)}
.sc.warn{background:#FBF3E4;color:#8A5A12}
.sc.bad{background:var(--danger-soft);color:var(--danger)}
.sc.empty{border-color:var(--line);color:#A9B4BF;font-weight:500}
.sc.future{color:#C3CBD3;font-weight:500}
button.sc:hover{border-color:var(--accent)}
.legend .sc{min-width:0;height:22px;font-size:11.5px;margin-right:6px;vertical-align:middle}
table.matrix.scores input{width:58px;height:34px;border:2px solid var(--accent);border-radius:9px;text-align:center;font-weight:700;font-size:14px}
table.matrix.scores td.avg{font-weight:700}
.skill-row{display:grid;grid-template-columns:150px minmax(0,1fr) 54px;gap:12px;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.skill-row .g{font-family:var(--jp);font-weight:700;color:var(--accent-dark);margin-right:6px}
.skill-row b{text-align:right}
.skill-row small{color:var(--muted);font-weight:400;font-size:12px;margin-left:4px}
.low-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.low-row .meta{color:var(--muted);font-size:13px}
.trend{font-weight:700}.trend.up{color:#1F6B44}.trend.down{color:var(--danger)}.trend.flat{color:var(--muted)}