:root{--bg:#f4f5f3;--card:#fff;--ink:#18201c;--muted:#6a736e;--line:#e2e6e3;--line-2:#eef1ef;--brand:#0f5132;--brand-ink:#fff;--brand-soft:#e5f1ea;--brand-2:#157347;--warn:#8a5300;--warn-bg:#fff3dc;--ok:#17643a;--ok-bg:#e4f4ea;--err:#b42318;--err-bg:#fdecea;--k-nghiem_thu:#1d5fae;--k-su_co:#b42318;--k-phat_sinh:#8a4fbf;--k-vat_tu:#9a6a00;--k-cham_cong:#376b6b;--k-khac:#5c6560;--radius:14px;--shadow:0 1px 2px #1018140f, 0 4px 16px #1018140f;--nav-h:64px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);margin:0;font:15px/1.45 -apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,sans-serif}main{max-width:980px;padding:max(12px, env(safe-area-inset-top)) 16px 32px;margin:0 auto}main.with-nav{padding-bottom:calc(var(--nav-h) + 40px + env(safe-area-inset-bottom))}h1{letter-spacing:-.01em;margin:0;font-size:24px;line-height:1.2}h2{margin:8px 0;font-size:18px}h2.sec{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:24px 0 8px;font-size:13px}a{color:var(--brand-2)}.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}.mono{word-break:break-all;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.ok-text{color:var(--ok)}.warn-text{color:var(--warn)}.error{color:var(--err);white-space:pre-wrap}button,.btn{font:inherit;border:1px solid var(--line);background:var(--card);min-height:44px;color:var(--ink);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-weight:500;text-decoration:none;display:inline-flex}button:active,.btn:active{transform:scale(.98)}button:disabled{opacity:.45;cursor:default;transform:none}button.on{background:var(--brand);color:#fff;border-color:var(--brand)}button.primary{background:var(--brand);color:#fff;border-color:var(--brand);width:100%;min-height:50px;margin-top:8px;font-size:16px;font-weight:600}.primary-soft{background:var(--brand-soft)!important;color:var(--brand)!important;border-color:#0000!important;font-weight:600!important}button.danger{color:var(--err);background:#fff;border-color:#f3cdc9}button.link{color:var(--brand-2);background:0 0;border:0;min-height:0;padding:6px 0;text-decoration:underline}button.link.plain{color:var(--ink);padding:0;font-weight:500;text-decoration:none}.wide{width:100%;margin-top:12px}.small-btn{min-height:38px;padding:6px 12px;font-size:14px}.iconbtn{width:40px;min-height:40px;color:var(--ink);background:0 0;border:0;border-radius:50%;padding:0}.iconbtn.light{color:#fff;background:#ffffff1f}input,select,textarea{font:inherit;border:1px solid var(--line);width:100%;color:var(--ink);appearance:none;background:#fff;border-radius:12px;padding:11px 12px;font-size:16px}select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%236a736e' stroke-width='1.6'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:32px}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand-2)}label,.field{color:var(--muted);margin:14px 0 6px;font-size:14px;font-weight:500;display:block}label>input,label>select,label>textarea{margin-top:6px}.two{grid-template-columns:1fr 1fr;gap:10px;display:grid}.form{max-width:560px}.switch{color:var(--ink);cursor:pointer;align-items:center;gap:12px;margin:16px 0;font-size:15px;display:flex}.switch input{opacity:0;width:0;height:0;position:absolute}.switch .track{background:#cfd5d1;border-radius:99px;flex:none;width:46px;height:28px;transition:all .2s;position:relative}.switch .track i{background:#fff;border-radius:50%;width:22px;height:22px;transition:all .2s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #00000040}.switch input:checked+.track{background:var(--brand-2)}.switch input:checked+.track i{left:21px}.pagehead{align-items:center;gap:8px;margin:4px 0 14px;display:flex}.pagehead .iconbtn{margin-left:-8px}.pagehead-text{flex:1;min-width:0}.pagehead h1{text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.pagehead .sub{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:14px;overflow:hidden}.auth-page{max-width:400px;padding:max(48px, env(safe-area-inset-top)) 20px 32px;text-align:center;margin:0 auto}.auth-page label,.auth-page 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14px;display:flex}.pcard-title{text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:600;overflow:hidden}.pcard-foot{flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;display:flex}.badge{background:var(--line-2);white-space:nowrap;color:var(--muted);border-radius:99px;padding:3px 9px;font-size:12px;font-weight:500}.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.warn{background:var(--warn-bg);color:var(--warn)}.empty{text-align:center;flex-direction:column;align-items:center;gap:8px;padding:40px 16px;display:flex}.empty-icon{background:var(--brand-soft);width:64px;height:64px;color:var(--brand);border-radius:50%;justify-content:center;align-items:center;margin-bottom:4px;display:flex}.skel{border-radius:var(--radius);background:linear-gradient(90deg,#e9ece9 25%,#f3f5f3 50%,#e9ece9 75%) 0 0/200% 100%;height:96px;margin:10px 0;animation:1.2s linear infinite sh}@keyframes sh{to{background-position:-200% 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14px}.viewer{color:#fff;z-index:20;background:#000;flex-direction:column;display:flex;position:fixed;inset:0}.viewer-top{padding:max(8px, env(safe-area-inset-top)) 10px 8px;color:#ddd;justify-content:space-between;align-items:center;font-size:14px;display:flex}.viewer-media{touch-action:pan-y;flex:1;justify-content:center;align-items:center;min-height:0;display:flex;position:relative}.viewer-media img,.viewer-media video{object-fit:contain;max-width:100%;max-height:100%}.viewer .nav{color:#fff;background:#ffffff24;border:0;border-radius:50%;width:44px;height:44px;padding:0;position:absolute;top:50%;transform:translateY(-50%)}.viewer .nav.prev{left:10px}.viewer .nav.next{right:10px}@media (hover:none){.viewer .nav{display:none}}.viewer-info{padding:12px 16px max(14px, env(safe-area-inset-bottom));background:linear-gradient(#0000,#0009 20%)}.vi-tags{flex-wrap:wrap;gap:6px;display:flex}.pill{background:#ffffff29;border-radius:99px;align-items:center;gap:4px;padding:3px 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6px}.card.me{align-items:center;gap:12px;display:flex}.avatar{background:var(--brand);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:46px;height:46px;font-size:18px;font-weight:700;display:flex}.avatar.sm{background:var(--brand-soft);width:34px;height:34px;color:var(--brand);font-size:14px}.mlist{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.mrow{border-bottom:1px solid var(--line-2);align-items:center;gap:10px;padding:10px 12px;display:flex}.mrow:last-child{border-bottom:0}.mrow.dim{opacity:.75}.mrow select{width:auto;min-height:36px;padding-top:6px;padding-bottom:6px;font-size:14px}.grow{flex:1;min-width:0}.share{max-width:980px;margin:0 auto;padding:0 0 40px}.share-hero{color:#fff;background:#1e2a24 50%/cover no-repeat;align-items:flex-end;min-height:240px;display:flex;position:relative}.share-hero:after{content:"";background:linear-gradient(#0000000d,#000000bf);position:absolute;inset:0}.share-hero>div{z-index:1;padding:max(20px, env(safe-area-inset-top)) 16px 38px;width:100%;position:relative}.share-hero .co{opacity:.85;align-items:center;gap:8px;font-size:13px;display:flex}.share-hero .co img{background:#fff;border-radius:6px;width:24px;height:24px}.share-hero h1{margin:8px 0 4px;font-size:26px}.share-hero .meta{opacity:.9;font-size:14px}.share-body{padding:0 16px}.share-stats{z-index:2;grid-template-columns:repeat(3,1fr);gap:8px;margin:-22px 0 12px;display:grid;position:relative}.share-stats .kpi{text-align:center}.share-stats .kpi b{white-space:nowrap;font-size:20px}.share .chipbar{margin:4px -16px 0}.lightbox{z-index:20;color:#fff;background:#000;flex-direction:column;display:flex;position:fixed;inset:0}.lightbox .viewer-media{flex:1}.share-foot{text-align:center;color:var(--muted);margin:32px 0 0;font-size:12.5px}.tgrow{border-bottom:1px solid var(--line-2);padding:10px 12px}.tgrow:last-child{border-bottom:0}.tgrow-head{align-items:center;gap:10px;display:flex}.tgrow-opts .field{margin-top:10px}.tgrow-opts .switch{margin:12px 0 4px;font-size:14px}.cmd{align-items:center;gap:8px;margin-top:8px;display:flex}.cmd code{background:var(--brand-soft);color:var(--brand);border-radius:10px;flex:1;padding:8px 10px;font-size:18px;font-weight:600}code{background:var(--line-2);border-radius:5px;padding:1px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.tips{margin:0;padding-left:18px;font-size:14px}.tips li{margin:4px 0}.tgme .primary{margin-top:12px}.tabs a{padding:8px 2px}