/* Em yêu khoa học — giao diện chung */
:root{
  --bg:#f6f4ee; --paper:#fff; --ink:#151a2b; --ink-2:#4a5068; --ink-3:#7c8197;
  --line:#e4e1d8; --line-2:#d3cfc3; --navy:#16213e; --sun:#ffd166; --sky:#7fd6ff; --rose:#ff5d73;
  --primary:#3d5afe; --primary-ink:#fff; --ok:#1e7a4c; --ok-bg:#e3f3ea; --err:#b3261e; --err-bg:#fde8e6;
  --r:16px; --shadow:0 1px 2px rgba(21,26,43,.06),0 8px 24px rgba(21,26,43,.06);
  --f-d:'Baloo 2','Be Vietnam Pro',system-ui,sans-serif;
  --f-b:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--f-b);-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:2.5px solid var(--primary);outline-offset:2px;border-radius:6px}
h1,h2,h3{font-family:var(--f-d);line-height:1.15;margin:0;letter-spacing:-.005em}
.muted{color:var(--ink-2)}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}
.wrap.narrow{max-width:860px}

/* ---------- top bar ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.topbar-in{max-width:1440px;margin:0 auto;padding:0 16px;height:64px;display:flex;align-items:center;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:none}
.brand span{font:800 21px/1 var(--f-d);color:var(--navy);white-space:nowrap;padding-top:3px}
.mainnav{flex:1;min-width:0}
.menu{list-style:none;margin:0;padding:0;display:flex;gap:2px;justify-content:center}
.menu-item{position:relative}
.menu-btn{display:flex;align-items:center;gap:6px;border:0;background:none;padding:8px 10px;border-radius:10px;font-weight:600;font-size:14px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.menu-btn .menu-ic{color:var(--c);display:flex}
.menu-btn .car{opacity:.5;transition:transform .15s}
.menu-btn:hover,.menu-item.open .menu-btn{background:color-mix(in srgb,var(--c) 10%,transparent);color:var(--ink)}
.menu-item.open .car{transform:rotate(180deg)}
.menu-item.active .menu-btn{color:var(--ink);box-shadow:inset 0 -2px 0 var(--c)}
.submenu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(-4px);min-width:270px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(21,26,43,.16);padding:8px;opacity:0;visibility:hidden;transition:opacity .15s,transform .15s,visibility .15s}
.submenu::before{content:"";position:absolute;left:0;right:0;top:-10px;height:10px}
.menu-item.open .submenu{opacity:1;visibility:visible;transform:translateX(-50%)}
.sub-head{display:flex;gap:10px;align-items:center;padding:10px;border-radius:10px;text-decoration:none;color:var(--c);background:color-mix(in srgb,var(--c) 8%,transparent);margin-bottom:4px}
.sub-head span{display:flex;flex-direction:column;color:var(--ink)}
.sub-head b{font-family:var(--f-d);font-size:17px;line-height:1.1}
.sub-head small{color:var(--ink-3);font-size:12px}
.sub-link{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:500}
a.sub-link:hover{background:#f3f1ea}
.sub-link.soon{color:var(--ink-3);cursor:default}
.sub-link em{font-style:normal;font-size:11px;font-weight:600;color:var(--ink-3);background:#f1efe8;border-radius:999px;padding:2px 8px;white-space:nowrap}
/* menu nhóm 3 cấp (Tự chọn › Thiên văn › mô hình): cấp 3 bay ra bên trái vì menu nằm sát mép phải */
.sub-group{min-width:240px}
.sub-nest{position:relative}
.sub-parent{width:100%;border:0;background:none;cursor:pointer;color:inherit;text-align:left;font:inherit;font-size:14px;font-weight:500}
.sub-parent:hover,.sub-nest.open>.sub-parent{background:color-mix(in srgb,var(--c) 10%,transparent)}
.sub-link .sub-ic{color:var(--c);display:flex;flex:none}
.sub-group>.sub-link,.sub-parent{justify-content:flex-start}
.sub-parent .car2{margin-left:auto;opacity:.55;transition:transform .15s}
.sub-nest.active>.sub-parent,.sub-group>.sub-link.on{box-shadow:inset 3px 0 0 var(--c)}
.submenu2{position:absolute;right:calc(100% + 10px);top:-8px;min-width:270px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(21,26,43,.16);padding:8px;opacity:0;visibility:hidden;transform:translateX(4px);transition:opacity .15s,transform .15s,visibility .15s}
.submenu2::after{content:"";position:absolute;top:0;bottom:0;right:-12px;width:12px}
.sub-nest.open>.submenu2{opacity:1;visibility:visible;transform:none}
.nav-toggle{display:none;align-items:center;gap:6px;margin-left:auto;border:1px solid var(--line);background:var(--paper);border-radius:10px;padding:7px 12px;font-weight:600;cursor:pointer}
.usermenu{flex:none}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:var(--sun);font:800 17px/1 var(--f-d);text-decoration:none;padding-top:2px;box-shadow:0 0 0 3px #fff,0 0 0 4px var(--line)}
.avatar.sm{width:32px;height:32px;font-size:15px;box-shadow:none}
.avatar.xl{width:72px;height:72px;font-size:32px;flex:none}

@media (max-width:1180px){
  .nav-toggle{display:flex}
  .mainnav{position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--paper);overflow-y:auto;padding:12px 16px 40px;display:none;border-top:1px solid var(--line)}
  body.nav-open .mainnav{display:block}
  body.nav-open{overflow:hidden}
  .menu{flex-direction:column;gap:4px}
  .menu-btn{width:100%;padding:12px;font-size:16px}
  .menu-btn .car{margin-left:auto}
  .menu-item.active .menu-btn{box-shadow:inset 3px 0 0 var(--c)}
  .submenu{position:static;transform:none;opacity:1;visibility:visible;display:none;box-shadow:none;border:0;padding:0 0 8px 12px;min-width:0}
  .menu-item.open .submenu{display:block;transform:none}
  .submenu2{position:static;transform:none;opacity:1;visibility:visible;display:none;box-shadow:none;border:0;padding:0 0 6px 14px;min-width:0}
  .sub-nest.open>.submenu2{display:block}
  .sub-parent .car2{transform:rotate(90deg)}
  .sub-nest.open>.sub-parent .car2{transform:rotate(-90deg)}
  .usermenu{margin-left:4px}
}
@media (max-width:520px){ .brand span{font-size:18px} .brand svg{width:32px;height:32px} .nav-toggle span{display:none} }

/* ---------- buttons, forms ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-2);background:var(--paper);border-radius:12px;padding:10px 16px;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:var(--ink-3)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}
.btn.primary:hover{filter:brightness(1.08)}
.btn.block{width:100%;padding:13px}
.btn.small{padding:6px 11px;font-size:13px;border-radius:9px}
.btn.ghost{background:transparent}
.btn.icon{padding:6px 8px}
.form{display:flex;flex-direction:column;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:14px}
.form .opt{font-weight:400;color:var(--ink-3)}
.form input{border:1.5px solid var(--line-2);border-radius:12px;padding:11px 13px;background:#fcfbf8;font-weight:500;outline:none;width:100%}
.form input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px color-mix(in srgb,var(--primary) 15%,transparent)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.alert{background:var(--err-bg);color:var(--err);border-radius:12px;padding:11px 14px;font-size:14px;margin:12px 0;font-weight:500}
.alert.ok{background:var(--ok-bg);color:var(--ok)}

/* ---------- hub ---------- */
.hero{margin:28px 0 8px;padding:32px;border-radius:24px;background:var(--navy);color:#fff;position:relative;overflow:hidden;display:grid;gap:22px}
.hero::before{content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;border-radius:50%;border:2px solid rgba(127,214,255,.25);box-shadow:0 0 0 60px rgba(127,214,255,.04),0 0 0 130px rgba(255,209,102,.04)}
.hero::after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--sun);right:120px;top:40px;box-shadow:-260px 120px 0 -4px var(--sky),-90px 170px 0 -5px var(--rose)}
.hero-text{position:relative;z-index:1;max-width:680px}
.eyebrow{margin:0 0 6px;color:var(--sun);font-weight:700;letter-spacing:.02em}
.hero h1{font-size:clamp(30px,4.4vw,48px);font-weight:800;text-wrap:balance}
.lede{margin:10px 0 0;color:#c9cfe4;font-size:16px;max-width:60ch}
.hero-cats{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:8px}
.pill{display:inline-flex;align-items:center;gap:7px;padding:8px 14px 8px 11px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);text-decoration:none;font-weight:600;font-size:14px;color:#fff;transition:background .15s}
.pill svg{color:color-mix(in srgb,var(--c) 55%,#fff)}
.pill:hover{background:rgba(255,255,255,.16)}

.block{margin:36px 0}
.block-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.block-head h2{font-size:26px;display:flex;align-items:center;gap:10px}
.bh-ic{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--c);color:#fff}
.block-head a{font-weight:600;font-size:14px;color:var(--ink-2);text-decoration:none}
.block-head a:hover{color:var(--ink);text-decoration:underline}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s,border-color .18s;min-width:0}
a.card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(21,26,43,.06),0 18px 40px rgba(21,26,43,.12);border-color:color-mix(in srgb,var(--c) 40%,var(--line))}
.card-art{height:96px;position:relative;background:
  radial-gradient(circle at 62% 30%,rgba(255,255,255,.28) 0 14px,transparent 15px),
  radial-gradient(circle at 18% 120%,rgba(255,255,255,.18) 0 60px,transparent 61px),
  linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 65%,#16213e));color:#fff}
.card-art::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1.4px);background-size:14px 14px;mask-image:linear-gradient(90deg,transparent 30%,#000)}
.card-ic{position:absolute;left:16px;bottom:-22px;width:54px;height:54px;border-radius:16px;background:var(--paper);color:var(--c);display:grid;place-items:center;box-shadow:0 6px 16px rgba(21,26,43,.15);z-index:1}
.badge{position:absolute;right:12px;top:12px;font-size:11px;font-weight:700;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:rgba(255,255,255,.22);color:#fff;z-index:1;backdrop-filter:blur(4px)}
.badge.go{background:rgba(255,255,255,.95);color:var(--c)}
.card-body{padding:32px 16px 16px}
.card-body h3{font-size:19px}
.card-body p{margin:6px 0 0;color:var(--ink-2);font-size:13.5px;line-height:1.5}
.card.is-soon{opacity:.72;box-shadow:none;background:#fbfaf6}
.card.is-soon .card-art{filter:saturate(.35)}
.cards.big{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));margin-bottom:40px}

.recent{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px}
.recent-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--paper);border:1px solid var(--line);border-radius:14px;text-decoration:none;transition:border-color .15s}
.recent-item:hover{border-color:var(--c)}
.ri-ic{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:color-mix(in srgb,var(--c) 13%,transparent);color:var(--c);flex:none}
.ri-tx{display:flex;flex-direction:column;min-width:0}
.ri-tx b{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ri-tx small{color:var(--ink-3);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.cat-hero{margin:24px 0 22px;padding:26px;border-radius:22px;background:linear-gradient(135deg,var(--c),color-mix(in srgb,var(--c) 60%,#16213e));color:#fff}
.back{display:inline-block;color:rgba(255,255,255,.85);text-decoration:none;font-weight:600;font-size:14px;margin-bottom:14px}
.back:hover{color:#fff}
.cat-title{display:flex;align-items:center;gap:16px}
.cat-ic{width:64px;height:64px;border-radius:18px;background:rgba(255,255,255,.18);display:grid;place-items:center;flex:none}
.cat-title h1{font-size:clamp(28px,4vw,40px);font-weight:800}
.cat-title p{margin:4px 0 0;color:rgba(255,255,255,.85)}
.foot{padding:24px 16px 40px;color:var(--ink-3);font-size:13px;text-align:center}

@media (max-width:640px){
  .hero{padding:24px 20px;margin-top:16px;border-radius:20px}
  .hero::after{right:24px;top:auto;bottom:24px}
  .block-head h2{font-size:22px}
  .cards{grid-template-columns:1fr 1fr;gap:10px}
  .card-art{height:72px}
  .card-ic{width:44px;height:44px;border-radius:13px;left:12px;bottom:-18px}
  .card-ic svg{width:24px;height:24px}
  .card-body{padding:26px 12px 12px}
  .card-body h3{font-size:16px}
  .card-body p{font-size:12.5px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .cards.big{grid-template-columns:1fr}
}
@media (max-width:380px){ .cards{grid-template-columns:1fr} }

/* ---------- auth ---------- */
.auth-page{background:var(--navy)}
.auth{min-height:100vh;min-height:100dvh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.auth-art{position:relative;overflow:hidden;display:grid;place-items:center;color:#fff;padding:40px}
.auth-art-text{position:relative;text-align:center;z-index:1}
.auth-art-text h2{font-size:clamp(34px,4vw,54px);font-weight:800;margin:14px 0 8px}
.auth-art-text p{color:#c9cfe4;font-size:16px;margin:0}
.orbit{position:absolute;left:50%;top:50%;border:1.5px solid rgba(127,214,255,.22);border-radius:50%;transform:translate(-50%,-50%);animation:spin linear infinite}
.orbit i{position:absolute;top:-6px;left:50%;width:12px;height:12px;border-radius:50%;background:var(--sky);box-shadow:0 0 16px var(--sky)}
.o1{width:360px;height:360px;animation-duration:22s}
.o2{width:540px;height:540px;animation-duration:36s;border-color:rgba(255,209,102,.18)}.o2 i{background:var(--sun);box-shadow:0 0 16px var(--sun)}
.o3{width:740px;height:740px;animation-duration:58s;border-color:rgba(255,93,115,.14)}.o3 i{background:var(--rose);box-shadow:0 0 16px var(--rose)}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.auth-card{background:var(--bg);padding:48px clamp(20px,6vw,72px);display:flex;flex-direction:column;justify-content:center}
.auth-card h1{font-size:36px;font-weight:800}
.auth-card>.muted{margin:6px 0 16px}
.auth-card .form{margin-top:10px;max-width:420px}
.auth-card .alert{max-width:420px}
.switch{margin-top:18px;color:var(--ink-2)}
.switch a{color:var(--primary);font-weight:600}
@media (max-width:860px){
  .auth{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .auth-art{padding:36px 16px 28px;min-height:230px}
  .auth-art-text h2{font-size:30px}
  .auth-art-text p{font-size:14px}
  .o1{width:240px;height:240px}.o2{width:380px;height:380px}.o3{width:520px;height:520px}
  .auth-card{border-radius:24px 24px 0 0;padding:28px 20px 40px}
  .auth-card h1{font-size:30px}
}
@media (prefers-reduced-motion:reduce){.orbit{animation:none}*{transition:none!important}}

/* ---------- profile ---------- */
.profile-head{display:flex;align-items:center;gap:18px;margin:32px 0 18px;flex-wrap:wrap}
.profile-head h1{font-size:32px;font-weight:800}
.profile-head p{margin:2px 0 0}
.profile-head .logout{margin-left:auto}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.stats div{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px;display:flex;flex-direction:column}
.stats b{font:800 30px/1 var(--f-d)}
.stats span{color:var(--ink-2);font-size:13px;margin-top:4px}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px}
.panel h2{font-size:22px;margin-bottom:12px}
.panel h1{font-size:28px;margin-bottom:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.datalist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.datalist li{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line)}
.datalist li:first-child{border-top:0}
.datalist a{flex:1;min-width:0;display:flex;flex-direction:column;text-decoration:none}
.datalist small{color:var(--ink-3);font-size:12.5px}
@media (max-width:700px){.grid2{grid-template-columns:1fr}.stats b{font-size:24px}.profile-head .logout{margin-left:0}}

/* ---------- viewer ---------- */
body.viewer{height:100vh;height:100dvh;overflow:hidden;display:flex;flex-direction:column;background:#0b0e16}
.vbar{flex:none;height:52px;display:flex;align-items:center;gap:12px;padding:0 12px;background:#fff;border-bottom:3px solid var(--c);position:relative;z-index:5}
.vbar-home{display:flex;flex:none}
.crumbs{display:flex;align-items:center;gap:8px;min-width:0;flex:1}
.crumb-cat{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--c);font-weight:600;font-size:14px;white-space:nowrap}
.crumb-cat:hover{text-decoration:underline}
.sep{color:var(--ink-3)}
.crumb-sub{color:var(--ink-2);font-weight:600;font-size:14px;white-space:nowrap}
.switcher{position:relative;min-width:0}
.switcher>button{display:flex;align-items:center;gap:6px;border:0;background:none;padding:6px 8px;border-radius:8px;cursor:pointer;max-width:100%}
.switcher>button:hover{background:#f3f1ea}
.switcher b{font:700 18px/1.1 var(--f-d);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-top:2px}
.sw-list{position:absolute;top:calc(100% + 6px);left:0;min-width:240px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px rgba(21,26,43,.2);padding:6px;z-index:10}
.sw-list a{display:block;padding:8px 10px;border-radius:8px;text-decoration:none;font-size:14px;font-weight:500}
.sw-list a:hover{background:#f3f1ea}
.sw-list a[aria-current]{background:color-mix(in srgb,var(--c) 12%,transparent);color:var(--c);font-weight:700}
.vbar-right{display:flex;align-items:center;gap:8px;flex:none}
.save-status{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;color:var(--ink-2);padding:5px 10px;border-radius:999px;background:#f3f1ea;white-space:nowrap}
.save-status i{width:8px;height:8px;border-radius:50%;background:var(--ink-3)}
.save-status[data-state="saving"] i{background:#f5a524;animation:pulse 1s infinite}
.save-status[data-state="saved"]{background:var(--ok-bg);color:var(--ok)}
.save-status[data-state="saved"] i{background:var(--ok)}
.save-status[data-state="error"]{background:var(--err-bg);color:var(--err)}
.save-status[data-state="error"] i{background:var(--err)}
@keyframes pulse{50%{opacity:.3}}
.vframe{flex:1;width:100%;border:0;display:block;background:#0b0e16}
@media (max-width:760px){
  .vbar{gap:8px;padding:0 8px}
  .crumb-cat span,.sep,.crumb-sub{display:none}
  .switcher b{font-size:16px}
  #resetBtn{display:none}
  .save-status span{display:none}
  .save-status{padding:6px}
}

/* ---------- vai trò, trạng thái ---------- */
.role-badge{display:inline-block;font-size:11.5px;font-weight:700;padding:2px 9px;border-radius:999px;color:var(--rc);background:color-mix(in srgb,var(--rc) 12%,transparent);white-space:nowrap;vertical-align:1px}
.status-badge{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap;margin-top:3px}
.st-active{background:var(--ok-bg);color:var(--ok)}
.st-pending{background:#fff4d6;color:#8a5a00}
.st-locked{background:var(--err-bg);color:var(--err)}
.req{color:var(--err)}
.small{font-size:13px}
.form select{border:1.5px solid var(--line-2);border-radius:12px;padding:11px 13px;background:#fcfbf8;font-weight:500;outline:none;width:100%;appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
.form select:focus{border-color:var(--primary);background-color:#fff}
.form input:disabled,.form select:disabled{opacity:.7;cursor:not-allowed}
.auth-card.wide .form,.auth-card.wide .alert{max-width:560px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}

/* ---------- liên kết quản trị trên thanh đầu trang ---------- */
.admin-link{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:10px;font-weight:600;font-size:13.5px;text-decoration:none;color:var(--ink-2);border:1px solid var(--line);background:var(--paper);white-space:nowrap}
.admin-link:hover,.admin-link.on{color:#c62828;border-color:color-mix(in srgb,#c62828 35%,var(--line))}
@media (max-width:1440px){.admin-link span{display:none}}

/* ---------- khu quản trị ---------- */
.admin-top{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin:28px 0 18px}
.admin-top h1{font-size:clamp(26px,3.4vw,36px);font-weight:800}
.eyebrow-ink{margin:0 0 2px;color:#c62828;font-weight:700;font-size:13px;letter-spacing:.02em}
.admin-tabs{display:flex;gap:4px;background:#ece9e0;padding:4px;border-radius:12px}
.admin-tabs a{padding:8px 14px;border-radius:9px;text-decoration:none;font-weight:600;font-size:14px;color:var(--ink-2)}
.admin-tabs a[aria-current]{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px rgba(21,26,43,.12)}
.pending-bar{display:block;background:#fff4d6;color:#6b4500;border:1px solid #f1d58e;border-radius:12px;padding:11px 14px;text-decoration:none;font-weight:500;margin-bottom:14px}
.pending-bar b{font-size:17px}
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin-bottom:16px}
.kpi{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;text-decoration:none;border-top:3px solid var(--rc,var(--line-2))}
.kpi span{font-size:12.5px;color:var(--ink-2);font-weight:600}
.kpi b{font:800 30px/1.1 var(--f-d);font-variant-numeric:tabular-nums}
.kpi.plain{border-top-color:var(--line-2)}
a.kpi:hover{border-color:var(--ink-3)}
.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:6px}
.panel-head a{font-size:13.5px;font-weight:600;color:var(--ink-2)}
.ulist{list-style:none;margin:0;padding:0}
.ulist li{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line)}
.ulist li:first-child{border-top:0}
.ulist a{flex:1;min-width:0;display:flex;flex-direction:column;text-decoration:none}
.ulist a b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ulist small{color:var(--ink-3);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ulist-r{flex:none;text-align:right}
.bars{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.bars li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:3px 10px;font-size:13.5px}
.bars .bl{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bars .bn{color:var(--ink-3);font-size:12px;font-variant-numeric:tabular-nums;text-align:right}
.bars .bt{grid-column:1/-1;height:8px;background:#efece4;border-radius:5px;overflow:hidden}
.bars .bt i{display:block;height:100%;background:var(--c);border-radius:5px}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
.filters input,.filters select{border:1.5px solid var(--line-2);border-radius:10px;padding:8px 11px;background:var(--paper);min-width:0;font-size:14px}
.filters input[type=search]{flex:1 1 240px}
.filters input.short{width:90px}
.filters select{max-width:180px}
.filters .btn{padding:8px 14px}
.table-wrap{overflow-x:auto;background:var(--paper);border:1px solid var(--line);border-radius:14px}
.panel .table-wrap{border:0;border-radius:0}
.utable{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.utable th{text-align:left;font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);font-weight:700;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
.utable td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.utable tr:last-child td{border-bottom:0}
.utable small{color:var(--ink-2)}
.utable .uname{display:flex;flex-direction:column;text-decoration:none}
.utable .uname small{color:var(--ink-3)}
.utable .acts{white-space:nowrap;text-align:right}
.utable .acts form{display:inline}
.utable tr.row-pending{background:#fffbef}
.utable tr.row-locked{opacity:.7}
.utable.perm{min-width:620px}
.utable.perm td:not(:first-child),.utable.perm th:not(:first-child){text-align:center;white-space:nowrap}
.pager{display:flex;align-items:center;justify-content:center;gap:12px;margin:16px 0}
.backlink{color:var(--ink-2);font-weight:600;text-decoration:none;font-size:14px}
.backlink:hover{color:var(--ink)}
.edit-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start;margin-bottom:40px}
.side{display:flex;flex-direction:column;gap:0}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;margin:0;font-size:14px}
.kv dt{color:var(--ink-3)}
.kv dd{margin:0;text-align:right;overflow-wrap:anywhere}
.act-list{display:flex;flex-direction:column;gap:8px}
.block-btn{width:100%}
.btn.danger{color:var(--err);border-color:color-mix(in srgb,var(--err) 40%,var(--line-2))}
.btn.danger:hover{background:var(--err-bg)}
code.pw{font:700 17px ui-monospace,Menlo,Consolas,monospace;background:#fff;padding:2px 8px;border-radius:6px;border:1px solid currentColor;letter-spacing:.06em}
.dcard{border:1px solid var(--line);border-left:3px solid var(--c);border-radius:12px;padding:12px 14px;margin-top:10px}
.dcard-head{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.dcard-head>div{flex:1;min-width:0;display:flex;flex-direction:column}
.dcard-head small{color:var(--ink-3);font-size:12.5px}
.dcard .kv{font-size:13.5px;margin-bottom:6px}
.dcard .kv dd{text-align:left}
.dcard details{margin-top:6px}
.dcard summary{cursor:pointer;color:var(--ink-2);font-size:13px;font-weight:600}
.dcard pre{max-height:360px;overflow:auto;background:#f6f4ee;border-radius:8px;padding:10px;font-size:12px;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.narrow-panel{max-width:820px}
.switchrow{display:flex!important;flex-direction:row!important;align-items:flex-start;gap:12px;font-weight:400!important;cursor:pointer}
.switchrow input{width:20px!important;height:20px;margin-top:2px;flex:none;accent-color:var(--primary)}
.switchrow span{display:flex;flex-direction:column;gap:2px}
.switchrow small{color:var(--ink-2);font-size:13px}
@media (max-width:900px){.admin-grid,.edit-grid{grid-template-columns:1fr}}
.form label>.lt{display:block}
.form label>.lt .opt{font-size:12.5px}

/* ---------- trang chủ: bảng tin ---------- */
.badge.new{background:#ffd166;color:#3a2a00}
.sub-link em.new{background:#fff3c4;color:#8a5a00}
.home-top{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;margin:24px 0 8px;align-items:stretch}
.home-top .hero{margin:0}
.hero-sm{padding:28px 30px}
.hero-sm h1{font-size:clamp(28px,3.6vw,40px)}
.hero-stats{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
.hs{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:10px 16px;min-width:150px;display:flex;flex-direction:column}
.hs b{font:800 28px/1 var(--f-d);color:#fff}
.hs b small{font-size:16px;color:#9aa3c4;font-weight:700}
.hs span{font-size:12.5px;color:#c9cfe4;margin-top:4px}
.today{background:var(--paper);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.td-solar{background:linear-gradient(160deg,#ff5d73,#e03a52);color:#fff;text-align:center;padding:14px 12px 12px;display:flex;flex-direction:column;align-items:center}
.td-solar span{font-weight:600;font-size:14px;opacity:.95}
.td-solar b{font:800 64px/1 var(--f-d);margin:2px 0}
.td-lunar{padding:12px 16px 4px;text-align:center;display:flex;flex-direction:column;align-items:center}
.td-lunar>span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.td-lunar b{font:800 21px/1.2 var(--f-d);color:var(--navy);margin-top:2px}
.td-lunar small{color:var(--ink-2);font-size:12.5px;margin-top:2px}
.td-next{margin:auto 0 0;padding:10px 14px 14px;font-size:13px;color:var(--ink-2);display:flex;flex-direction:column;gap:4px;text-align:center}
.td-next b{color:#e03a52;font-size:15px}

.panel{background:var(--paper);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:18px 18px 16px;min-width:0}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.panel-head h2{font-size:22px}
.panel-head h2 small{font:500 13px var(--f-b);color:var(--ink-3);margin-left:4px}
.panel-head>small{color:var(--ink-3);font-size:12.5px}
.empty{color:var(--ink-3);font-size:14px;margin:6px 0}
.home-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:16px;margin:28px 0 16px;align-items:start}
.home-side{display:flex;flex-direction:column;gap:16px}
.home-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 32px}

/* lịch */
.cal-nav{display:flex;gap:4px;align-items:center}
.icon-btn,.txt-btn{border:1px solid var(--line-2);background:var(--paper);border-radius:10px;height:34px;cursor:pointer;font-weight:600}
.icon-btn{width:34px;font-size:20px;line-height:1;display:grid;place-items:center;padding:0 0 2px}
.txt-btn{padding:0 12px;font-size:13px}
.icon-btn:hover,.txt-btn:hover{border-color:var(--ink-3)}
.cal-month{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 12px;margin:-4px 0 10px}
.cal-month b{font:800 19px var(--f-d)}
.cal-month span{color:var(--ink-3);font-size:13px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}
.cal-wd{text-align:center;font-size:12px;font-weight:700;color:var(--ink-3);padding:2px 0 4px}
.cal-wd.sun,.cd.sun .sd{color:#d6336c}
.cd{position:relative;border:1px solid transparent;background:#faf9f5;border-radius:11px;min-height:56px;padding:6px 4px 5px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:1px;cursor:pointer;font:inherit}
.cd:hover{border-color:var(--line-2);background:#fff}
.cd .sd{font:700 17px/1.1 var(--f-d)}
.cd .ld{font-size:11px;color:var(--ink-3);font-weight:500}
.cd.lk .ld{color:#c2410c;font-weight:700}
.cd.out{opacity:.38}
.cd.hol{background:#fff4e6}
.cd.off .sd{color:#e03131}
.cd.today{background:#ffe3e8;border-color:#ff5d73}
.cd.today .sd{color:#c92a4b}
.cd.sel{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy) inset;background:#fff}
.cd .dots{position:absolute;bottom:4px;display:flex;gap:2px}
.cd .dots i{width:6px;height:6px;border-radius:50%}
.cd.hol::after{content:"";position:absolute;top:5px;right:5px;width:6px;height:6px;border-radius:50%;background:#f08c00}
.cal-legend{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12px;color:var(--ink-3);margin:10px 0 0}
.cal-legend span{display:inline-flex;align-items:center;gap:5px}
.cal-legend i{width:9px;height:9px;border-radius:50%;display:inline-block}
.cal-legend .lg-hol{background:#f08c00}
.cal-legend .lg-lunar{background:none;border-radius:2px;width:auto;height:auto;font-style:normal}
.cal-legend .lg-lunar::before{content:"1/8";color:#c2410c;font-weight:700;font-size:11px}
.cal-bottom{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.cdh{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.cdh .moon{font-size:30px;line-height:1}
.cdh b{display:block;font:700 16px var(--f-d)}
.cdh small{color:var(--ink-3);font-size:12.5px}
.cdl{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;margin:0;font-size:13px}
.cdl dt{color:var(--ink-3)}
.cdl dd{margin:0;font-weight:500}
.cd-hol,.cd-ev{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.cd-hol li{font-size:13.5px;font-weight:600;color:#c2410c;background:#fff4e6;border-radius:9px;padding:6px 10px}
.cd-hol li.off{color:#c92a2a;background:#fff0f0}
.cd-hol small{font-weight:500;color:var(--ink-3);font-size:11.5px}
.cd-ev li{position:relative;border:1px solid var(--line);border-left:4px solid var(--k);border-radius:10px;padding:8px 10px;font-size:13.5px}
.cd-ev .tag{display:inline-block;font-size:10.5px;font-weight:700;color:var(--k);text-transform:uppercase;letter-spacing:.06em;margin-right:6px}
.cd-ev p{margin:3px 0 0;color:var(--ink-2);font-size:13px}
.cd-ev small{display:block;color:var(--ink-3);font-size:11.5px;margin-top:3px}
.ev-del{position:absolute;right:8px;top:6px;border:0;background:none;color:var(--ink-3);font-size:12px;cursor:pointer;font-weight:600}
.ev-del:hover{color:var(--err)}
.cd-none{color:var(--ink-3);font-size:13px;margin:8px 0 0}
.cal-up h3{font-size:15px;margin-bottom:6px}
.cal-up ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.cal-up button{width:100%;display:grid;grid-template-columns:44px 1fr auto;gap:8px;align-items:center;text-align:left;border:0;background:none;border-radius:8px;padding:6px 6px;cursor:pointer;font-size:13px}
.cal-up button:hover{background:#f6f4ee}
.cal-up .ud{font-weight:700;color:var(--ink-2);font-variant-numeric:tabular-nums}
.cal-up .ut{font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cal-up .ut.off{color:#c92a2a}
.cal-up .ut.hol{color:#c2410c}
.cal-up .ut.ev::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--k);margin-right:6px;vertical-align:1px}
.cal-up .ui{color:var(--ink-3);font-size:12px;white-space:nowrap}
.ev-add{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}
.ev-add summary{cursor:pointer;font-weight:600;color:var(--primary);font-size:14px}
.ev-form{display:grid;grid-template-columns:150px 1fr;gap:10px;margin-top:12px}
.ev-form label{display:flex;flex-direction:column;gap:4px;font-size:12.5px;color:var(--ink-2);font-weight:600}
.ev-form input,.ev-form select{border:1.5px solid var(--line-2);border-radius:10px;padding:8px 10px;background:#fcfbf8;font-weight:500;font-size:14px;width:100%}
.ev-form .full{grid-column:1/-1}
.ev-actions{display:flex;align-items:center;gap:12px}
.ev-msg{font-size:13px;font-weight:600}
.ev-msg.ok{color:var(--ok)}
.ev-msg.err{color:var(--err)}

/* xếp hạng */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:3px;background:#f1efe8;border-radius:11px;padding:3px;margin-bottom:8px}
.seg button{border:0;background:none;border-radius:9px;padding:7px 8px;font-weight:600;font-size:13px;color:var(--ink-2);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--paper);color:var(--ink);box-shadow:0 1px 3px rgba(21,26,43,.12)}
.seg.sm button{padding:5px 8px;font-size:12px}
.lb-list ol{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:2px}
.lb-list li{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;padding:7px 6px;border-radius:10px}
.lb-list li.me{background:#eef1ff}
.rk{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font:800 14px var(--f-d);background:#f1efe8;color:var(--ink-2)}
.rk.r1{background:#ffd43b;color:#5c4400}
.rk.r2{background:#dee2e6;color:#343a40}
.rk.r3{background:#f4c095;color:#6b3410}
.lb-who{display:flex;flex-direction:column;min-width:0}
.lb-who b{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-who small,.lb-num small{color:var(--ink-3);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-num{display:flex;flex-direction:column;align-items:flex-end;font-size:13px;color:var(--ink-2);white-space:nowrap}
.lb-num b{font:800 17px var(--f-d);color:var(--ink)}
.lb-me{margin:8px 0 0;font-size:13px;background:#eef1ff;border-radius:10px;padding:7px 10px}
.lb-note{margin:10px 0 0;font-size:11.5px;color:var(--ink-3)}

/* hoạt động */
.heat{display:flex;gap:3px;justify-content:space-between}
.hcol{display:flex;flex-direction:column;gap:3px;flex:1}
.heat i,.heat-leg i{display:block;aspect-ratio:1;border-radius:3px;background:#ece9df}
.heat i.h1,.heat-leg i.h1{background:#c3fae8}
.heat i.h2,.heat-leg i.h2{background:#63e6be}
.heat i.h3,.heat-leg i.h3{background:#20c997}
.heat i.h4,.heat-leg i.h4{background:#087f5b}
.heat-leg{display:flex;align-items:center;gap:3px;justify-content:flex-end;font-size:11px;color:var(--ink-3);margin-top:6px}
.heat-leg i{width:10px}
.heat-leg span{margin:0 3px}
.prog{margin-top:12px;font-size:13px;color:var(--ink-2)}
.prog-bar{height:8px;border-radius:9px;background:#ece9df;overflow:hidden;margin-bottom:6px}
.prog-bar i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,#3d5afe,#7fd6ff)}

/* bài mới, phổ biến */
.newlist{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.nl-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border:1px solid var(--line);border-radius:12px;text-decoration:none;min-width:0}
.nl-item:hover{border-color:var(--c)}
.nl-new{margin-left:auto;flex:none;font-style:normal;font-size:10.5px;font-weight:700;background:#ffd166;color:#3a2a00;border-radius:999px;padding:2px 8px}
.pop{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;counter-reset:p}
.pop a{display:grid;grid-template-columns:minmax(0,1fr) 40%;gap:12px;align-items:center;text-decoration:none;padding:6px;border-radius:10px}
.pop a:hover{background:#f6f4ee}
.pop-t{display:flex;flex-direction:column;min-width:0}
.pop-t b{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pop-t small{color:var(--ink-3);font-size:12px}
.pop-bar{height:10px;border-radius:9px;background:#f1efe8;overflow:hidden}
.pop-bar i{display:block;height:100%;border-radius:9px;background:var(--c)}

@media (max-width:1000px){
  .home-grid{grid-template-columns:1fr}
  .home-side{display:grid;grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .home-top{grid-template-columns:1fr}
  .today{display:grid;grid-template-columns:110px 1fr;border-radius:20px}
  .td-solar{justify-content:center}
  .td-solar b{font-size:46px}
  .td-lunar{align-items:flex-start;text-align:left;padding:12px 14px 0}
  .td-next{grid-column:2;text-align:left;padding:4px 14px 12px}
  .home-side,.home-grid2,.newlist,.cal-bottom{grid-template-columns:1fr}
  .hs{min-width:0;flex:1 1 30%;padding:8px 10px}
  .hs b{font-size:22px}
  .panel{padding:14px 12px}
  .cal-grid{gap:2px}
  .cd{min-height:48px;border-radius:8px;padding:4px 1px}
  .cd .sd{font-size:15px}
  .cd .ld{font-size:10px}
  .ev-form{grid-template-columns:1fr}
}

/* ---------- thời khóa biểu ---------- */
a.menu-btn{text-decoration:none}
.tkb-home{margin:16px 0 8px}
.tkb-home-act{display:flex;align-items:center;gap:8px}
.tkb-home-act .seg{margin:0}
.tkb-home-body{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:20px;align-items:start}
.tkb-day h3{font-size:17px}
.tkb-day>small{display:block;color:var(--ink-3);font-size:12.5px;margin-top:1px}
.tkb-today{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.tkb-today li{display:grid;grid-template-columns:48px 1fr;gap:10px;align-items:start;padding:7px 10px;border-radius:12px;border:1px solid var(--line);border-left:4px solid var(--sc)}
.tkb-today li.done{opacity:.45}
.tkb-today li.now{background:color-mix(in srgb,var(--sc) 10%,#fff);border-color:var(--sc)}
.tkb-today .tm{font:700 14px var(--f-d);font-variant-numeric:tabular-nums;display:flex;flex-direction:column;line-height:1.15}
.tkb-today .tm small{font:500 11.5px var(--f-b);color:var(--ink-3)}
.tkb-today .tx{display:flex;flex-direction:column;min-width:0}
.tkb-today .tx b{font-weight:700;font-size:14.5px}
.tkb-today .tx small{color:var(--ink-3);font-size:12px}
.tkb-badge{align-self:flex-start;margin-top:4px;font-size:11.5px;font-weight:700;color:var(--ink-2);background:#f1efe8;border-radius:999px;padding:2px 9px}
.tkb-badge.now{background:var(--sc);color:#fff}
.tkb-prog{display:block;height:4px;border-radius:4px;background:rgba(0,0,0,.08);margin-top:6px;overflow:hidden}
.tkb-prog i{display:block;height:100%;background:var(--sc)}
.tkb-empty{color:var(--ink-3);font-size:14px}
.tkb-cta{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tkb-cta p{margin:0;color:var(--ink-2);max-width:62ch}
.tkb-cta-btns{display:flex;gap:8px}
.tkb-week{overflow-x:auto}

.tkb-table{width:100%;border-collapse:separate;border-spacing:3px;table-layout:fixed}
.tkb-table th{font-size:12.5px;font-weight:700;color:var(--ink-2);padding:4px 2px}
.tkb-table thead th.is-today{color:#c92a4b}
.tkb-table .tkb-corner{width:74px}
.tkb-table.compact .tkb-corner{width:26px}
.tkb-table .tkb-ses th{text-align:left;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding:8px 4px 2px}
.tkb-table .tkb-p{text-align:left;font-weight:500;color:var(--ink-3);white-space:nowrap}
.tkb-table .tkb-p b{display:block;color:var(--ink);font:700 14px var(--f-d)}
.tkb-table .tkb-p small{font-size:11px}
.tkb-table.compact .tkb-p{text-align:center}
.tkb-c{height:52px;border-radius:9px;background:#f6f4ee;border:1.5px solid transparent;padding:4px 6px;vertical-align:middle;text-align:center;overflow:hidden;user-select:none}
.tkb-table.compact .tkb-c{height:30px;padding:2px 3px;border-radius:7px}
.tkb-c.has{background:color-mix(in srgb,var(--sc) 16%,#fff);border-color:color-mix(in srgb,var(--sc) 35%,transparent)}
.tkb-c .s{display:block;font-weight:700;font-size:13px;line-height:1.2;color:color-mix(in srgb,var(--sc) 70%,#111);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.tkb-table.compact .tkb-c .s{font-size:11px;-webkit-line-clamp:1;white-space:nowrap;display:block}
.tkb-c .n{display:block;font-size:11px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
td.tkb-c.is-today{box-shadow:inset 0 0 0 1px #ffc9d3}
td.tkb-c[tabindex]{cursor:pointer}
td.tkb-c[tabindex]:hover{border-color:var(--ink-3)}
td.tkb-c.sel{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy)}
body.painting td.tkb-c{cursor:crosshair;touch-action:none}

.tkb-page{padding-bottom:40px}
.tkb-head{margin:28px 0 14px}
.tkb-head h1{font-size:32px;font-weight:800}
.tkb-head p{margin:4px 0 0}
.tkb-tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tkb-tabs button{border:0;background:none;padding:10px 14px;font-weight:600;font-size:14.5px;color:var(--ink-2);cursor:pointer;border-bottom:2.5px solid transparent;white-space:nowrap}
.tkb-tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:#0b7285}
.tkb-classbar{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.tkb-classbar label,.tkb-tools label{display:flex;flex-direction:column;gap:3px;font-size:12px;font-weight:600;color:var(--ink-2)}
.tkb-classbar input,.tkb-classbar select,.tkb-tools input,.tkb-tools select,.addsub input,.ce input{border:1.5px solid var(--line-2);border-radius:10px;padding:8px 10px;background:#fcfbf8;font-weight:500;font-size:14px}
.tkb-classbar input[readonly]{background:#f1efe8;color:var(--ink-2)}
.tkb-classbar .or{color:var(--ink-3);font-size:13px;padding-bottom:10px}
.tkb-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:#e6f6f8;border:1px solid #b2e0e6;color:#0b4f5c;border-radius:14px;padding:10px 14px;margin-bottom:12px;font-size:14px}
.tkb-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:16px;align-items:start}
.tkb-layout.off{opacity:.4;pointer-events:none}
.tkb-side{display:flex;flex-direction:column;gap:12px}
.tkb-side .panel{margin:0;padding:14px}
.tkb-h{font:600 11px var(--f-b);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px;display:flex;justify-content:space-between;gap:6px}
.tkb-h small{text-transform:none;letter-spacing:0;font-weight:500}
.brushes{display:flex;flex-wrap:wrap;gap:5px}
.brush{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);background:var(--paper);border-radius:999px;padding:4px 10px 4px 7px;font-size:12.5px;font-weight:600;cursor:pointer}
.brush i{width:10px;height:10px;border-radius:50%;background:var(--sc)}
.brush:hover{border-color:var(--sc,var(--ink-3))}
.brush[aria-pressed="true"]{background:var(--sc);border-color:var(--sc);color:#fff}
.brush[aria-pressed="true"] i{background:#fff}
.brush.erase{--sc:#495057}
.addsub{display:flex;gap:6px;margin-top:10px}
.addsub input{flex:1;min-width:0;padding:6px 9px;font-size:13px}
.addsub .btn{padding:6px 10px;font-size:13px}
.ce-where{margin:0 0 8px;font-weight:700;font-size:14px}
.ce{display:flex;flex-direction:column;gap:3px;font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:8px}
.ce.row{flex-direction:row;align-items:center;justify-content:space-between}
.ce input[type=color]{width:44px;height:30px;padding:2px}
.ce-btns{display:flex;gap:6px}
.ce-btns .btn{padding:6px 12px;font-size:13px}
.tkb-stats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:3px;font-size:13px}
.tkb-stats li{display:grid;grid-template-columns:10px 1fr auto;gap:8px;align-items:center}
.tkb-stats li i{width:10px;height:10px;border-radius:3px;background:var(--sc)}
.tkb-stats li.tot{grid-template-columns:1fr auto;border-top:1px solid var(--line);padding-top:5px;margin-top:3px;font-weight:600}
.tkb-main{margin:0}
.tkb-tools{display:flex;align-items:flex-end;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tkb-tools .tt-title{flex:1 1 220px}
.tkb-tools .chk{flex-direction:row;align-items:center;gap:6px;font-size:13.5px;padding-bottom:9px}
.tkb-times{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px 14px;padding:10px;background:#f6f4ee;border-radius:12px;margin-bottom:10px}
.tkb-times label{display:flex;align-items:center;gap:6px;font-size:13px}
.tkb-times label span{width:84px;color:var(--ink-2);font-weight:600}
.tkb-times input{border:1px solid var(--line-2);border-radius:8px;padding:4px 6px;background:#fff}
.tkb-grid{overflow-x:auto}
.tkb-grid .tkb-table{min-width:640px}
.tkb-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}
.tkb-actions .spacer{flex:1}
.tkb-status{font-size:13px;font-weight:600;color:var(--ink-3)}
.tkb-status.ok{color:var(--ok)}
.tkb-status.err{color:var(--err)}
.tkb-status.warn{color:#c2410c}
body.tkb-ro .tkb-side,body.tkb-ro .tkb-actions,body.tkb-ro #timesBtn{display:none}
body.tkb-ro .tkb-layout{grid-template-columns:1fr}
@media (max-width:900px){
  .tkb-layout{grid-template-columns:1fr}
  .tkb-side{display:contents}
  .tkb-side .panel:first-child{order:-1;position:sticky;top:64px;z-index:5}
  .tkb-side .panel:not(:first-child){order:2}
  .brushes{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
  .brush{flex:none}
  .tkb-home-body{grid-template-columns:1fr}
}
@media print{
  .topbar,.tkb-tabs,.tkb-classbar,.tkb-banner,.tkb-side,.tkb-actions,.tkb-head p,#timesBtn,.tkb-tools select,.tkb-tools .chk,.tkb-times,.foot{display:none!important}
  body{background:#fff}
  .panel{box-shadow:none;border:0;padding:0}
  .tkb-layout{display:block}
  .tkb-tools label span{display:none}
  .tkb-tools input{border:0;font:800 20px var(--f-d);padding:0}
  .tkb-c{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .tkb-grid .tkb-table{min-width:0}
}
.panel h2.tkb-h{font:600 11px/1.3 var(--f-b);letter-spacing:.12em;margin-bottom:8px}
.tkb-times[hidden],.tkb-banner[hidden],.tkb-classbar[hidden]{display:none}

/* thanh menu gọn hơn trên màn hình vừa (9 mục) */
@media (min-width:1181px) and (max-width:1339px){
  .menu-btn{padding:8px 7px;gap:4px}
  .menu-btn .menu-ic{display:none}
  .menu-link .menu-btn .menu-ic{display:flex}
}
@media (min-width:1181px) and (max-width:1300px){ .brand span{font-size:19px} .menu-btn .car{display:none} }

/* menu tài khoản (ảnh đại diện) */
.usermenu{position:relative;margin-left:auto;flex:none}
button.avatar{border:0;cursor:pointer}
.user-drop{position:absolute;right:0;top:calc(100% + 10px);width:250px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 50px rgba(21,26,43,.16);padding:6px;z-index:60}
.ud-head{display:flex;align-items:center;gap:10px;padding:8px 8px 10px;border-bottom:1px solid var(--line);margin-bottom:4px}
.ud-head>span:last-child{display:flex;flex-direction:column;min-width:0}
.ud-head b{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ud-head small{color:var(--ink-3);font-size:12px}
.ud-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:500;color:var(--ink);border:0;background:none;cursor:pointer;text-align:left}
.ud-item svg{color:var(--ink-3);flex:none}
.ud-item:hover,.ud-item.on{background:#f3f1ea}
.ud-item.admin svg{color:#c62828}
.ud-item.out{color:var(--err)}
.ud-item.out svg{color:var(--err)}
.user-drop form{margin:4px 0 0;border-top:1px solid var(--line);padding-top:4px}