/* NoteWise - Kiểm tra trình độ (A1..C1). Dùng chung cho trang công khai (/cong-dong/kiem-tra-trinh-do) và trang Trình độ trong ứng dụng: chỉ dùng token màu chung (--card, --border, --accent...). */
.lv{max-width:720px;margin:0 auto;color:var(--text)}
.lv [hidden]{display:none!important}
.lv-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px 26px 22px;box-shadow:var(--shadow)}
.lv-eyebrow{margin:0 0 6px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.lv h2{margin:0 0 8px;font-size:26px;line-height:1.2;color:var(--ink)}
.lv h3{margin:0;color:var(--ink)}
.lv-lead{margin:0 0 14px;color:var(--muted);font-size:16px}
.lv-pts{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:8px}
.lv-pts li{position:relative;padding-left:28px}
.lv-pts li::before{content:"";position:absolute;left:2px;top:.35em;width:16px;height:16px;border-radius:50%;background:var(--green-soft);border:2px solid var(--green)}
.lv-pts li::after{content:"";position:absolute;left:7px;top:calc(.35em + 3px);width:4px;height:7px;border:solid var(--green);border-width:0 2px 2px 0;transform:rotate(45deg)}
.lv-acts{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:6px}
.lv-acts-end{justify-content:space-between;margin-top:18px}
.lv-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border:2px solid var(--accent);border-radius:12px;background:var(--accent);color:#fff;font-weight:800;font-size:16px;text-decoration:none;cursor:pointer;transition:transform .12s,filter .12s}
:root[data-theme="dark"] .lv-btn{color:#10131a}
.lv-btn:hover{filter:brightness(1.07);text-decoration:none}
.lv-btn:active{transform:translateY(1px)}
.lv-btn[disabled]{opacity:.45;cursor:not-allowed;filter:none;transform:none}
.lv-btn.line{background:transparent;color:var(--accent)}
:root[data-theme="dark"] .lv-btn.line{color:var(--accent)}
.lv-link{background:none;border:0;padding:8px 4px;color:var(--muted);font-size:14px;text-decoration:underline;cursor:pointer}
.lv-link:hover{color:var(--ink)}
.lv-link[disabled]{opacity:.5;cursor:not-allowed}
.lv-note,.lv-est,.lv-key-hint{margin:14px 0 0;font-size:13px;color:var(--muted)}
.lv-err{margin:12px 0 0;padding:10px 12px;border-radius:10px;background:color-mix(in srgb,var(--red) 14%,var(--card));color:var(--red);font-weight:700;font-size:14px}
.lv-wait{margin:0 0 12px;padding:10px 12px;border-radius:10px;background:var(--amber-soft);color:var(--amber);font-size:14px}

/* làm bài */
.lv-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.lv-count{font-weight:800;color:var(--ink)}
.lv-bar{height:8px;border-radius:99px;background:var(--card-2);overflow:hidden;margin-bottom:20px}
.lv-bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:99px;transition:width .25s}
.lv-pass{margin:0 0 14px;padding:12px 14px;border-left:4px solid var(--accent);border-radius:0 10px 10px 0;background:var(--card-2);color:var(--text);font-size:15px;line-height:1.6;white-space:pre-line}
.lv-q{margin:0 0 16px!important;font-size:21px;line-height:1.45;font-weight:700;outline:none}
.lv-gap{display:inline-block;min-width:64px;height:1.1em;vertical-align:-2px;margin:0 4px;border-bottom:3px solid var(--accent)}
.lv-opts{display:grid;gap:10px}
.lv-opt{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:10px 14px;border:2px solid var(--border);border-radius:12px;background:var(--card);color:var(--text);text-align:left;font-size:16px;cursor:pointer;transition:border-color .12s,background .12s}
.lv-opt:hover{border-color:var(--accent);background:var(--accent-soft)}
.lv-opt.on{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.lv-key{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;background:var(--card-2);border:1px solid var(--border);font-weight:800;font-size:14px;color:var(--ink)}
.lv-opt.on .lv-key{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .lv-opt.on .lv-key{color:#10131a}
.lv-txt{flex:1;min-width:0;overflow-wrap:anywhere}

/* kết quả */
.lv-rhead{display:flex;gap:18px;align-items:center;margin-bottom:10px}
.lv-badge{flex:none;width:92px;height:92px;border-radius:24px;display:grid;place-items:center;font-size:34px;font-weight:900;color:#1d2b44;background:var(--t1);box-shadow:inset 0 -6px 0 rgba(0,0,0,.08)}
.lv-badge.c1{background:var(--t5)}.lv-badge.c2{background:var(--t2)}.lv-badge.c3{background:var(--t3)}.lv-badge.c4{background:var(--t7)}.lv-badge.c5{background:var(--t6)}
.lv-rtitle h2{margin:0 0 4px;outline:none}
.lv-score{margin:0;color:var(--muted);font-size:14px}
.lv-desc{margin:8px 0 16px;font-size:16px}
.lv-scale{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:0 0 18px;padding:0}
.lv-scale li{text-align:center;padding:9px 0;border-radius:10px;background:var(--card-2);border:1px solid var(--border);font-weight:800;color:var(--muted)}
.lv-scale li.done{background:var(--accent-soft);color:var(--accent);border-color:transparent}
.lv-scale li.on{background:var(--accent);color:#fff;border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 10px color-mix(in srgb,var(--accent) 35%,transparent)}
:root[data-theme="dark"] .lv-scale li.on{color:#10131a}
.lv-box{margin:0 0 14px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--card-2)}
.lv-box h3{font-size:15px;margin-bottom:8px}
.lv-row{display:grid;grid-template-columns:96px 1fr 48px;gap:10px;align-items:center;margin:6px 0;font-size:14px}
.lv-rb{height:10px;border-radius:99px;background:var(--card);border:1px solid var(--border);overflow:hidden}
.lv-rb i{display:block;height:100%;background:var(--green);border-radius:99px}
.lv-rn{text-align:right;font-weight:700;color:var(--ink)}
.lv-tip{margin:0 0 6px;padding:12px 14px;border-radius:12px;background:var(--amber-soft);color:var(--text);font-size:15px}
.lv-cta{margin:18px 0 6px;padding:18px;border-radius:14px;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 25%,transparent)}
.lv-cta h3{font-size:18px;margin-bottom:4px}
.lv-cta p{margin:0 0 10px}
.lv-applied{font-weight:700;color:var(--green)}
.lv-review{margin-top:16px;border-top:1px dashed var(--border);padding-top:12px}
.lv-review summary{cursor:pointer;font-weight:700;color:var(--ink);padding:6px 0}
.lv-rv{margin:10px 0;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:var(--card-2)}
.lv-rv p{margin:0 0 4px}
.lv-rq{font-weight:700}
.lv-ry .lbl{color:var(--red);font-weight:700}
.lv-rr .lbl{color:var(--green);font-weight:700}
.lv-rg{color:var(--muted);font-size:14px}
.lv-perfect{margin:14px 0 0;font-weight:700;color:var(--green)}

@media (max-width:560px){
  .lv-card{padding:20px 16px 18px;border-radius:14px}
  .lv h2{font-size:22px}
  .lv-q{font-size:19px}
  .lv-badge{width:74px;height:74px;font-size:28px;border-radius:20px}
  .lv-row{grid-template-columns:80px 1fr 42px}
  .lv-acts .lv-btn{flex:1 1 100%}
  .lv-key-hint{display:none}
}
@media (hover:none){.lv-key-hint{display:none}}
@media (prefers-reduced-motion:reduce){.lv-bar i,.lv-btn,.lv-opt{transition:none}}

/* trang Trình độ của tôi (thành viên) */
.lvh{display:grid;gap:16px;max-width:900px}
.lvh-top{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.lvh-card{padding:18px 20px;border:1px solid var(--border);border-radius:16px;background:var(--card);box-shadow:var(--shadow)}
.lvh-card h2{margin:0 0 8px;font-size:15px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.lvh-big{display:flex;align-items:center;gap:14px}
.lvh-big .lv-badge{width:72px;height:72px;font-size:26px;border-radius:18px}
.lvh-big strong{display:block;font-size:20px;color:var(--ink)}
.lvh-big span.sub{color:var(--muted);font-size:13px}
.lvh-empty{margin:0;color:var(--muted)}
.lvh-acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.lvh-pick{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin:10px 0 12px}
.lvh-pick label{position:relative;display:block;cursor:pointer}
.lvh-pick input{position:absolute;opacity:0;inset:0;cursor:pointer}
.lvh-pick span{display:block;text-align:center;padding:12px 4px;border:2px solid var(--border);border-radius:12px;background:var(--card-2);font-weight:900;font-size:18px;color:var(--ink)}
.lvh-pick small{display:block;font-weight:600;font-size:11px;color:var(--muted);margin-top:2px}
.lvh-pick input:checked+span{border-color:var(--accent);background:var(--accent-soft)}
.lvh-pick input:focus-visible+span{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px}
.lvh-pick input:disabled+span{opacity:.4;cursor:not-allowed}
.lvh-path{list-style:none;margin:0;padding:0 0 0 18px;border-left:3px solid var(--border);display:grid;gap:14px}
.lvh-path li{position:relative}
.lvh-path li::before{content:"";position:absolute;left:-26px;top:5px;width:13px;height:13px;border-radius:50%;background:var(--accent);border:3px solid var(--card)}
.lvh-path li.goal::before{background:var(--amber)}
.lvh-path b{color:var(--ink)}
.lvh-path .when{color:var(--muted);font-size:13px}
.lvh-progress{display:flex;align-items:center;gap:8px;margin:8px 0 0;font-size:13px;color:var(--muted)}
.lvh-tests{width:100%;border-collapse:collapse;font-size:14px}
.lvh-tests th,.lvh-tests td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border)}
.lvh-tests th{color:var(--muted);font-weight:700;font-size:12px;text-transform:uppercase}
.lvh-msg{padding:10px 14px;border-radius:12px;background:var(--green-soft);color:var(--green);font-weight:700}
.lvh-msg.err{background:color-mix(in srgb,var(--red) 14%,var(--card));color:var(--red)}
@media (max-width:700px){.lvh-top{grid-template-columns:1fr}.lvh-pick small{display:none}}

/* biểu ngữ quảng bá bài kiểm tra */
.lvb{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:16px 20px;border-radius:16px;border:1px solid color-mix(in srgb,var(--accent) 28%,var(--border));background:linear-gradient(120deg,var(--accent-soft),var(--card) 70%);position:relative}
.lvb-ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--accent);color:#fff;font-size:26px}
:root[data-theme="dark"] .lvb-ic{color:#10131a}
.lvb h2,.lvb h3{margin:0 0 2px;font-size:18px;color:var(--ink)}
.lvb p{margin:0;font-size:14px;color:var(--muted)}
.lvb-lv{display:inline-flex;gap:4px;margin-top:6px}
.lvb-lv i{font-style:normal;font-size:11px;font-weight:800;padding:2px 7px;border-radius:99px;background:var(--card);border:1px solid var(--border);color:var(--ink)}
.lvb .lv-btn{min-height:42px;font-size:15px;white-space:nowrap}
.lvb-x{position:absolute;top:6px;right:8px;background:none;border:0;color:var(--muted);font-size:18px;line-height:1;padding:4px 8px;cursor:pointer;border-radius:8px}
.lvb-x:hover{background:var(--card-2);color:var(--ink)}
@media (max-width:640px){.lvb{grid-template-columns:auto 1fr;padding:14px}.lvb .lv-btn{grid-column:1 / -1;width:100%}.lvb-lv{display:none}}
.lvb[hidden]{display:none}