/* KTS-WEB-01 — Trang quản trị (navy #072C63 + vàng kim) */
:root{
  --navy:#072C63; --navy2:#0B3A7E; --navy3:#05204A; --gold:#C9A34E; --gold2:#E7C07A;
  --ink:#12213F; --body:#3B475A; --mute:#6B7A90; --line:#D6DEEA; --line2:#E8EEF6; --bg:#F3F6FB; --card:#fff;
  --ok:#15803D; --warn:#B45309; --bad:#B42336; --blue:#1E5DB8;
  color-scheme:light;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14.5px/1.5 "Inter",system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);-webkit-text-size-adjust:100%}
h1,h2,h3,h4{font-family:"Be Vietnam Pro","Inter",sans-serif;color:var(--ink);margin:0}
a{color:var(--blue)}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%}
.boot{padding:40px;text-align:center;color:var(--mute)}
[hidden]{display:none!important}

/* ---------- đăng nhập ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;
  background:radial-gradient(900px 420px at 80% 10%,rgba(47,123,234,.35),transparent 60%),linear-gradient(180deg,#071B3D,#0B2A5E)}
.login-card{width:100%;max-width:420px;background:#fff;border-radius:18px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);overflow:hidden}
.login-head{background:var(--navy);padding:22px 24px;display:flex;align-items:center;gap:12px;border-bottom:3px solid var(--gold)}
.login-head img.ic{width:44px;height:42px}.login-head img.wm{height:34px;width:auto}
.login-body{padding:22px 24px 26px}
.login-body h1{font-size:20px;margin-bottom:4px}
.login-body p.sub{margin:0 0 16px;color:var(--mute);font-size:13.5px}

/* ---------- khung ---------- */
.shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}
.side{background:var(--navy);color:#DCE6F5;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:auto}
.side-brand{display:flex;align-items:center;gap:10px;padding:16px 16px 14px;border-bottom:1px solid rgba(255,255,255,.1)}
.side-brand img.ic{width:36px;height:34px}.side-brand img.wm{height:28px;width:auto}
.side-user{padding:12px 16px;font-size:13px;border-bottom:1px solid rgba(255,255,255,.1)}
.side-user b{display:block;color:#fff;font-size:14px}
.role-chip{display:inline-block;margin-top:4px;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px;background:rgba(231,192,122,.18);color:var(--gold2);border:1px solid rgba(231,192,122,.4)}
.side nav{padding:8px 8px 16px;display:flex;flex-direction:column;gap:2px}
.side nav .sec{font:700 10.5px "Inter",sans-serif;letter-spacing:.1em;text-transform:uppercase;color:#8FA6C8;margin:12px 10px 4px}
.side nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;color:#DCE6F5;text-decoration:none;font-weight:600;font-size:13.8px}
.side nav a:hover{background:rgba(255,255,255,.08)}
.side nav a.on{background:linear-gradient(90deg,rgba(231,192,122,.22),rgba(231,192,122,.06));color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.side nav a .i{width:18px;text-align:center;opacity:.9}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:none;align-items:center;gap:10px;padding:10px 14px;background:var(--navy);color:#fff;position:sticky;top:0;z-index:30}
.topbar img{height:26px;width:auto}
.burger{border:0;background:rgba(255,255,255,.12);color:#fff;width:38px;height:36px;border-radius:9px;font-size:18px;cursor:pointer}
.view{padding:22px clamp(14px,2.4vw,32px) 60px;max-width:1280px;width:100%}
.vhead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.vhead h1{font-size:clamp(20px,2.2vw,26px)}
.vhead p{margin:4px 0 0;color:var(--mute);font-size:13.5px;max-width:760px}
.scrim{display:none}

/* ---------- thành phần ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 30px -26px rgba(10,30,60,.5);padding:16px 18px;margin-bottom:16px}
.card h2{font-size:16px;margin-bottom:10px}
.card h3{font-size:14.5px;margin:6px 0 8px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 16px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.full{grid-column:1/-1}
label.f{display:flex;flex-direction:column;gap:5px;font-size:12.5px;font-weight:700;color:var(--body);min-width:0}
label.f small,.hint{font-weight:500;color:var(--mute);font-size:12px}
input[type=text],input[type=password],input[type=url],input[type=email],input[type=number],input[type=search],input[type=datetime-local],select,textarea{
  width:100%;min-width:0;border:1px solid var(--line);border-radius:9px;padding:9px 11px;background:#fff;font-size:14px;color:var(--ink)}
input:focus,select:focus,textarea:focus,.ed-area:focus{outline:2px solid rgba(42,140,240,.35);border-color:#2A8CF0}
input:disabled,select:disabled,textarea:disabled{background:#F4F6FA;color:var(--mute)}
textarea{min-height:70px;resize:vertical;line-height:1.5}
textarea.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.chk{display:flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer}
.chk input{width:18px;height:18px;accent-color:var(--navy)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:700;font-size:13.5px;padding:9px 14px;border-radius:10px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:#F4F7FB}.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.pri{background:linear-gradient(180deg,#0E3F86,var(--navy));color:#fff;border-color:transparent}
.btn.pri:hover{filter:brightness(1.12)}
.btn.gold{background:linear-gradient(180deg,var(--gold2),var(--gold));color:#2A1D05;border-color:transparent}
.btn.danger{color:var(--bad);border-color:#F3C2C8}.btn.danger:hover{background:#FDEEEF}
.btn.sm{padding:6px 10px;font-size:12.5px;border-radius:8px}
.lnk{border:0;background:none;color:var(--blue);font-weight:700;cursor:pointer;padding:0;font-size:12.5px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.sp{flex:1}
.muted{color:var(--mute)}
.note{font-size:12.8px;color:var(--mute);line-height:1.55;margin:8px 0 0}
.note.warn,.box-warn{color:#8A4A0E;background:#FFF6EA;border:1px solid #F5D2A8;border-radius:10px;padding:10px 12px}
.box-info{color:#123B73;background:#EAF2FD;border:1px solid #C6DAF5;border-radius:10px;padding:10px 12px;font-size:13px}
.box-bad{color:#8E1B2B;background:#FDEEEF;border:1px solid #F3C2C8;border-radius:10px;padding:10px 12px;font-size:13px}
.badge{display:inline-block;font-size:11px;font-weight:800;padding:2px 8px;border-radius:99px;background:#E8EEF6;color:#3B475A;white-space:nowrap}
.badge.published{background:#E3F5EC;color:var(--ok)}.badge.draft{background:#EEF1F6;color:#4B5A70}
.badge.scheduled{background:#FFF1DC;color:var(--warn)}.badge.hidden{background:#F1E9F7;color:#6B3D91}
.badge.star{background:#FFF4D6;color:#8A6320}.badge.bad{background:#FDEEEF;color:var(--bad)}
.badge.gold{background:rgba(201,163,78,.18);color:#7A5A12}
table.t{width:100%;border-collapse:collapse;font-size:13.5px}
table.t th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);padding:9px 8px;background:#F4F7FB;border-bottom:1px solid var(--line2)}
table.t td{padding:9px 8px;border-bottom:1px solid var(--line2);vertical-align:top}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}
.stat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;border-top:3px solid var(--gold)}
.stat b{display:block;font:800 26px "Be Vietnam Pro",sans-serif;color:var(--navy)}
.stat span{font-size:12.5px;color:var(--mute);font-weight:600}
.quick{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.quick a{display:block;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fff;text-decoration:none;color:var(--ink);font-weight:700}
.quick a small{display:block;color:var(--mute);font-weight:500;font-size:12px;margin-top:2px}
.quick a:hover{border-color:var(--gold)}

/* ---------- tin tức ---------- */
.filters{display:grid;grid-template-columns:minmax(0,2fr) repeat(2,minmax(0,1fr)) auto;gap:8px;margin-bottom:12px}
.plist{display:flex;flex-direction:column;gap:8px}
.pitem{display:grid;grid-template-columns:84px minmax(0,1fr) auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;text-decoration:none;color:inherit}
.pitem:hover{border-color:#9DB8DE}
.pitem img{width:84px;height:54px;object-fit:cover;border-radius:8px;background:#E6ECF4}
.pitem b{display:block;font-size:14px;line-height:1.35;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.pitem .m{font-size:12px;color:var(--mute);margin-top:3px;display:flex;flex-wrap:wrap;gap:5px;align-items:center}
.pedit{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
.pedit .side-col{position:sticky;top:12px}
.cover-prev{position:relative;aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#0B2A5E;border:1px solid var(--line)}
.cover-prev img{width:100%;height:100%;object-fit:cover;display:block}
.cover-prev .empty{position:absolute;inset:0;display:grid;place-items:center;color:#A9BCD6;font-size:13px}
details.adv{border:1px dashed var(--line);border-radius:10px;padding:8px 12px;margin-top:12px}
details.adv summary{cursor:pointer;font-weight:700;font-size:13.5px}
.ed-tools{display:flex;flex-wrap:wrap;gap:4px;padding:6px;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:#F4F7FB;position:sticky;top:0;z-index:5}
.ed-tools button{border:1px solid transparent;background:none;border-radius:7px;padding:5px 8px;font-size:13px;font-weight:700;cursor:pointer;color:var(--ink);min-width:32px}
.ed-tools button:hover{background:#fff;border-color:var(--line)}
.ed-tools .sep{width:1px;background:var(--line);margin:2px 3px}
.ed-area{min-height:360px;border:1px solid var(--line);border-radius:0 0 10px 10px;padding:14px 16px;background:#fff;font-size:15px;line-height:1.65;overflow-wrap:anywhere}
.ed-area h2{font-size:20px;margin:18px 0 8px}.ed-area h3{font-size:17px;margin:14px 0 6px}
.ed-area p{margin:0 0 10px}.ed-area blockquote{margin:10px 0;padding:8px 14px;border-left:3px solid var(--gold);background:#FBF7EC}
.ed-area img{max-width:100%;height:auto;border-radius:6px}.ed-area figure{margin:12px 0}.ed-area figcaption{font-size:12.5px;color:var(--mute)}
.ed-area table{border-collapse:collapse;width:100%;margin:10px 0}.ed-area td,.ed-area th{border:1px solid var(--line);padding:6px 8px}
.ed-area iframe{max-width:100%;aspect-ratio:16/9;height:auto;width:100%;border:0;background:#000}
.ed-area .tt-ktn,.ed-area .tt-cta,.ed-area .tt-spec{border:1px dashed #C6DAF5;border-radius:8px;padding:8px 12px;margin:10px 0;background:#F6F9FE}
.ed-src{width:100%;min-height:360px;border-radius:0 0 10px 10px}
.cats{display:flex;flex-direction:column;gap:6px}
.cats .row input{flex:1}

/* ---------- ảnh ---------- */
.drop{border:2px dashed #9DB8DE;border-radius:14px;padding:22px;text-align:center;background:#F6F9FE;color:var(--body);cursor:pointer}
.drop.over{background:#EAF2FD;border-color:#2A8CF0}
.uplist{display:flex;flex-direction:column;gap:6px;margin-top:10px}
.upitem{display:grid;grid-template-columns:minmax(0,1fr) 140px;gap:10px;align-items:center;font-size:12.5px}
.bar{height:8px;border-radius:99px;background:#E6ECF4;overflow:hidden}.bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#2A8CF0,var(--navy));transition:width .2s}
.mgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.mcard .ph{aspect-ratio:4/3;background:#E6ECF4 repeat;display:grid;place-items:center;overflow:hidden}
.mcard .ph img{width:100%;height:100%;object-fit:contain}
.mcard .bd{padding:8px 10px;font-size:12px;display:flex;flex-direction:column;gap:5px;min-width:0}
.mcard .nm{font-weight:700;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mcard input{font-size:12.5px;padding:6px 8px}
.mcard.pick{cursor:pointer}.mcard.pick:hover{border-color:#2A8CF0;box-shadow:0 0 0 2px rgba(42,140,240,.25)}

/* ---------- hộp thoại ---------- */
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,20,45,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.mbox{background:#fff;border-radius:16px;width:100%;max-width:980px;max-height:92vh;display:flex;flex-direction:column;box-shadow:0 30px 60px -20px rgba(0,0,0,.5)}
.mhead{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line2)}
.mhead h3{font-size:16px;flex:1}
.mbody{padding:14px 18px;overflow:auto}
.tabs{display:inline-flex;gap:4px;padding:4px;border-radius:11px;background:#F1F4F9;margin-bottom:12px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:7px 12px;border-radius:8px;font-weight:700;font-size:13px;cursor:pointer;color:var(--body)}
.tabs button.on{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(0,0,0,.12)}

/* ---------- nội dung trang ---------- */
.cbar{position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;background:rgba(243,246,251,.96);backdrop-filter:blur(4px);padding:10px 0 12px;margin:-6px 0 12px;border-bottom:1px solid var(--line2)}
.cbar .info{font-size:13px;color:var(--body)}.cbar .info b{color:var(--warn)}
details.grp{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
details.grp>summary{cursor:pointer;padding:12px 16px;font-weight:800;font-family:"Be Vietnam Pro",sans-serif;display:flex;gap:8px;align-items:center}
details.grp>summary .cnt{font:600 12px "Inter",sans-serif;color:var(--mute)}
details.grp>.gbody{padding:0 16px 10px}
.frow{padding:10px 0;border-top:1px solid var(--line2)}
.frow.mod{background:linear-gradient(90deg,rgba(231,192,122,.13),transparent 40%);margin:0 -16px;padding:10px 16px}
.fhead{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:5px;font-size:13px}
.fhead b{font-weight:700;overflow-wrap:anywhere}
.fhead code{font-size:11px;color:var(--mute);background:#F1F4F9;padding:1px 6px;border-radius:5px}
.fdef{font-size:12px;color:var(--mute);margin-bottom:6px;overflow-wrap:anywhere}
.fimg{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.fimg img{width:96px;height:64px;object-fit:contain;background:#E6ECF4;border-radius:8px;border:1px solid var(--line)}
.plist2 .pi{display:grid;grid-template-columns:30px 70px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:6px}
.plist2 .pi.dragging{opacity:.4}.plist2 .pi.over{border-color:#2A8CF0}
.plist2 .pi .h{cursor:grab;color:var(--mute);text-align:center;font-size:18px;user-select:none}
.plist2 .pi img{width:70px;height:40px;object-fit:contain;background:#F4F6FA;border-radius:6px}
.step{border:1px solid var(--line2);border-radius:10px;padding:10px 12px;margin-bottom:10px;background:#FBFCFE}
.step .sn{font:800 12px "Inter",sans-serif;color:var(--gold);letter-spacing:.06em}

/* ---------- toast ---------- */
#toasts{position:fixed;right:16px;bottom:16px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:min(420px,calc(100vw - 32px))}
.toast{background:var(--navy3);color:#fff;padding:11px 14px;border-radius:11px;box-shadow:0 14px 30px -12px rgba(0,0,0,.5);font-size:13.5px;border-left:4px solid var(--gold);animation:tin .2s ease}
.toast.err{border-left-color:#FF6B6B;background:#4A0F18}.toast.ok{border-left-color:#4ADE80}
@keyframes tin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- điện thoại ---------- */
@media (max-width:1000px){
  .pedit{grid-template-columns:1fr}.pedit .side-col{position:static}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .shell{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:270px;z-index:60;transform:translateX(-100%);transition:transform .25s}
  .shell.menu .side{transform:none}
  .shell.menu .scrim{display:block;position:fixed;inset:0;background:rgba(5,20,45,.45);z-index:50}
  .topbar{display:flex}
  .grid2,.grid3{grid-template-columns:1fr}
  .grid4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .filters{grid-template-columns:1fr 1fr}
  .filters .search{grid-column:1/-1}
  .cbar{top:56px}
}
@media (max-width:520px){
  .pitem{grid-template-columns:64px minmax(0,1fr)}.pitem img{width:64px;height:44px}.pitem .acts{grid-column:1/-1}
  .mgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .upitem{grid-template-columns:1fr}
  .plist2 .pi{grid-template-columns:24px 54px minmax(0,1fr)}.plist2 .pi .acts{grid-column:1/-1}
  .view{padding-inline:12px}
  .card{padding:14px}
}