/* =============================================================================
   HE THONG QUAN LY DU AN DAU TU XAY DUNG - DESIGN SYSTEM v2
   -----------------------------------------------------------------------------
   Nguyen tac:
   - Token hoa toan bo (mau, chu, khoang cach, bong, bo goc) o :root
   - Moi thanh phan co du trang thai: mac dinh / hover / active / focus-visible / disabled
   - So lieu dung tabular-nums de thang cot
   - Chuyen dong ngan (120-220ms), tat khi nguoi dung bat reduced-motion
   - GIU NGUYEN ten class cu — JS dang sinh markup dua tren chung
   ========================================================================== */

:root{
  /* Thang mau thuong hieu: xanh cong vu, tram va dam o sidebar, tuoi o accent */
  --c950:#0a1c33; --c900:#0e2440; --c850:#132c4e; --c800:#183459; --c700:#1f4370;
  --c600:#2563a8; --c500:#2e74b5; --c400:#4a8ccb; --c300:#8ab5dd;
  --c100:#dcebf7; --c50:#f0f6fb;
  /* Mau chu thuong hieu (link, so lieu noi bat) - dao lai o nen toi */
  --brand:#2e74b5; --brand-strong:#183459;

  /* Chu */
  --ink:#0f172a; --ink2:#334155; --muted:#5a6a7f; --faint:#8593a8;

  /* Nen & vien */
  --bg:#f4f6fa; --white:#fff;
  --soft:#fafbfd;   /* nen phu: dau bang, thanh cong cu, khung nhap lieu */
  --soft2:#edf1f7;  /* nen rong: thanh tien do, thanh Gantt */
  --topbar-bg:rgba(255,255,255,.86);  /* thanh tren cung: kinh mo */
  --line:#e4e8ef; --line2:#cdd5e0;

  /* Ngu nghia */
  --ok:#067a51; --ok-bg:#e4f5ec; --ok-line:#b5e2cc;
  --warn:#9a5b09; --warn-bg:#fdf1de; --warn-line:#f3d9a9;
  --dan:#b42318; --dan-bg:#fde8e6; --dan-line:#f5c1bc;
  --info:#175cd3; --info-bg:#eaf1fd; --info-line:#c4d7f7;

  /* Hinh khoi */
  --r:8px; --r-lg:12px; --r-xl:16px; --sb:260px; --sb2:206px;
  --sh:0 1px 2px rgba(15,23,42,.05);
  --sh2:0 2px 6px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
  --sh3:0 8px 20px rgba(15,23,42,.12),0 24px 56px rgba(15,23,42,.16);
  --ring:0 0 0 3px rgba(46,116,181,.18);

  --font:"Segoe UI Variable Text","Segoe UI",-apple-system,"Helvetica Neue",Roboto,Arial,sans-serif;

  color-scheme:light;
}

/* =============================================================================
   GIAO DIEN TOI
   -----------------------------------------------------------------------------
   Chi doi GIA TRI token, khong doi ten - moi thanh phan tu doi mau theo.
   Ap dung khi:  html[data-theme="dark"]  (nguoi dung tu chon, luu localStorage)
   hoac khi nguoi dung de "Theo he thong" va may dang o che do toi.
   Nen dung xanh than xam thay vi den tuyen: do tuong phan vua du, doc lau
   khong moi mat, va giu duoc tinh chat van ban hanh chinh.
   ========================================================================== */
html[data-theme="dark"]{
  /* Thang mau thuong hieu: sang len de noi tren nen toi */
  --c950:#070d17; --c900:#0b1524; --c850:#101c2e; --c800:#16273e; --c700:#1d3654;
  --c600:#3778bb; --c500:#4d92cf; --c400:#6ba7dc; --c300:#8fbfe6;
  --c100:#1a2a40; --c50:#151f2e;
  --brand:#79b2e2; --brand-strong:#a7cdee;

  --ink:#e7edf5; --ink2:#c3cede; --muted:#9aa8bc; --faint:#7c8ba2;

  --bg:#0d131d; --white:#161e2b;
  --soft:#1a2331; --soft2:#232d3d;
  --topbar-bg:rgba(22,30,43,.86);
  --line:#26303f; --line2:#374357;

  --ok:#4ec99b; --ok-bg:#0f2b22; --ok-line:#1f5943;
  --warn:#e0a94a; --warn-bg:#2e2314; --warn-line:#5c4522;
  --dan:#f0776b; --dan-bg:#331916; --dan-line:#6b332c;
  --info:#5c9df0; --info-bg:#152438; --info-line:#2a4a75;

  --sh:0 1px 2px rgba(0,0,0,.4);
  --sh2:0 2px 6px rgba(0,0,0,.36),0 8px 24px rgba(0,0,0,.32);
  --sh3:0 8px 20px rgba(0,0,0,.5),0 24px 56px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(77,146,207,.3);

  color-scheme:dark;
}
/* Cac cho ghi cung mau sang trong nen sang - phai chinh rieng khi sang nen toi */
html[data-theme="dark"] ::selection{background:rgba(77,146,207,.35)}
html[data-theme="dark"] .login-wrap{
  background:
    radial-gradient(1100px 520px at 12% -8%,rgba(55,120,187,.24),transparent 60%),
    radial-gradient(900px 560px at 108% 108%,rgba(29,54,84,.5),transparent 55%),
    linear-gradient(158deg,#050a12 0%,var(--c900) 52%,var(--c800) 100%)}
html[data-theme="dark"] .login-card{box-shadow:0 40px 90px rgba(0,0,0,.7),0 4px 14px rgba(0,0,0,.5)}
/* Anh nen sang trong tap tin dinh kem / bieu do khong bi choi mat */
html[data-theme="dark"] img{opacity:.94}

/* Nut chuyen sang/toi tren thanh tren cung.
   Dung .btn-ghost.theme-btn (khong phai .theme-btn khong): quy tac .btn-ghost
   nam SAU trong file, cung do uu tien thi cai sau thang - de .theme-btn khong
   thi padding 14px cua .btn-ghost de mat, bop bieu tuong con 2,7px. */
/* Khong dat chieu cao co dinh: chi bo dem doc bang .btn-ghost va dung bieu
   tuong 14px nhu nut tim kiem, hai nut tu khac thang hang. */
.btn-ghost.theme-btn{display:inline-flex;align-items:center;justify-content:center;
  padding:7.5px;flex-shrink:0}
.theme-btn svg{display:block;flex:none}
.theme-btn .ico-toi{display:none}
html[data-theme="dark"] .theme-btn .ico-sang{display:none}
html[data-theme="dark"] .theme-btn .ico-toi{display:block}

/* Chon che do trong menu tai khoan: Theo may / Sang / Toi */
.dd-theme{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 15px}
.dd-theme-label{font-size:12.5px;color:var(--ink2)}
.seg{display:inline-flex;background:var(--soft2);border:1px solid var(--line);border-radius:8px;padding:2px;gap:2px}
.seg button{border:0;background:transparent;color:var(--ink2);font-family:inherit;font-size:11px;
  padding:4px 8px;border-radius:6px;cursor:pointer;transition:background .14s,color .14s}
.seg button:hover{color:var(--ink)}
.seg button.active{background:var(--white);color:var(--ink);font-weight:600;box-shadow:var(--sh)}
.seg button:focus-visible{outline:none;box-shadow:var(--ring)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-size:13.5px;line-height:1.55;
  font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3{margin:0;font-weight:650;letter-spacing:-.012em}
::selection{background:rgba(46,116,181,.22)}

/* Thanh cuon gon gang, dong bo hai nen sang/toi (sidebar) */
*{scrollbar-width:thin;scrollbar-color:var(--line2) transparent}
*::-webkit-scrollbar{width:9px;height:9px}
*::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px;border:2px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background-color:var(--faint)}
*::-webkit-scrollbar-track{background:transparent}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ===== DANG NHAP ===== */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;
  background:
    radial-gradient(1100px 520px at 12% -8%,rgba(74,140,203,.32),transparent 60%),
    radial-gradient(900px 560px at 108% 108%,rgba(37,99,168,.4),transparent 55%),
    linear-gradient(158deg,var(--c950) 0%,var(--c850) 52%,var(--c700) 100%)}
.login-wrap::before{content:"";position:fixed;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px}
.login-card{position:relative;background:var(--white);padding:38px 36px 30px;border-radius:18px;
  width:100%;max-width:400px;box-shadow:0 40px 90px rgba(4,12,26,.45),0 4px 14px rgba(4,12,26,.28);
  animation:cardIn .34s cubic-bezier(.2,.8,.25,1)}
@keyframes cardIn{from{opacity:0;transform:translateY(14px) scale(.985)}to{opacity:1;transform:none}}
.login-brand{display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c600),var(--c800));color:#fff;font-weight:800;
  letter-spacing:.8px;padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:18px;
  box-shadow:0 6px 16px rgba(31,67,112,.35)}
.login-title{font-size:21px;color:var(--brand-strong)}
.login-sub{margin:4px 0 24px;color:var(--muted);font-size:13px}
.login-card input{margin-bottom:12px}
.login-credit{margin-top:26px;padding-top:16px;border-top:1px solid var(--line);text-align:center;
  font-size:11px;color:var(--muted);line-height:1.7}
.login-credit p{margin:0} .login-credit b{color:var(--brand-strong)}

/* ===== KHUNG ===== */
.app-shell{display:flex;min-height:100vh}

/* ===== SIDEBAR ===== */
.sidebar{width:var(--sb);flex-shrink:0;color:#fff;display:flex;flex-direction:column;
  position:fixed;top:0;bottom:0;left:0;z-index:50;
  background:linear-gradient(180deg,var(--c900) 0%,var(--c950) 100%);
  border-right:1px solid rgba(255,255,255,.06)}
.sb-brand{display:flex;align-items:center;gap:11px;padding:18px 18px 16px;
  border-bottom:1px solid rgba(255,255,255,.08)}
.sb-logo{display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c500),var(--c700));padding:8px 10px;border-radius:9px;
  font-weight:800;font-size:12px;letter-spacing:.7px;box-shadow:0 4px 12px rgba(0,0,0,.3)}
.sb-brand-text{font-size:13px;font-weight:650;line-height:1.35;letter-spacing:.01em}
.sb-brand-text small{display:block;font-weight:400;font-size:10.5px;color:rgba(255,255,255,.52);margin-top:2px}
.sb-search{margin:14px 14px 4px;position:relative;cursor:pointer}
.sb-search input{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  color:#fff;font-size:12px;padding:8px 12px 8px 32px;border-radius:9px;cursor:pointer;
  transition:background .15s,border-color .15s}
.sb-search input::placeholder{color:rgba(255,255,255,.42)}
.sb-search:hover input{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.24)}
.sb-search input:focus{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);box-shadow:none}
.sb-search .sicon{position:absolute;left:11px;top:8px;opacity:.55;display:inline-flex}
.sb-search .sicon svg{width:14px;height:14px}
.sb-kbd{position:absolute;right:9px;top:8px;font-size:9.5px;color:rgba(255,255,255,.5);
  border:1px solid rgba(255,255,255,.22);border-radius:5px;padding:1px 6px;letter-spacing:.4px}
.sb-nav{flex:1;padding:8px 12px 12px;display:flex;flex-direction:column;gap:2px;overflow-y:auto;
  scrollbar-color:rgba(255,255,255,.18) transparent}
.sb-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18)}
.sb-group{font-size:10px;text-transform:uppercase;letter-spacing:.9px;color:rgba(255,255,255,.36);
  padding:16px 12px 6px;font-weight:650}
.sb-item{position:relative;display:flex;align-items:center;gap:11px;width:100%;text-align:left;
  background:transparent;border:0;cursor:pointer;padding:9px 12px;border-radius:9px;font-size:13px;
  color:rgba(255,255,255,.72);font-family:inherit;transition:background .14s,color .14s}
.sb-item:hover{background:rgba(255,255,255,.08);color:#fff}
.sb-item:focus-visible{outline:2px solid rgba(255,255,255,.55);outline-offset:-2px}
.sb-item.active{background:linear-gradient(90deg,rgba(46,116,181,.32),rgba(46,116,181,.14));
  color:#fff;font-weight:600}
.sb-item.active::before{content:"";position:absolute;left:-12px;top:7px;bottom:7px;width:3px;
  border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--c400),var(--c500))}
.sb-ico{display:inline-flex;align-items:center;justify-content:center;width:18px;flex-shrink:0;opacity:.85}
.sb-ico svg{width:16px;height:16px}
.sb-item.active .sb-ico{opacity:1}
.sb-badge{margin-left:auto;background:var(--dan);color:#fff;font-size:10.5px;font-weight:700;
  padding:1px 7px;border-radius:20px;min-width:19px;text-align:center;
  box-shadow:0 0 0 3px rgba(180,35,24,.22)}
.sb-foot{padding:13px 18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:10px;color:rgba(255,255,255,.42);line-height:1.65}
.sb-foot p{margin:0} .sb-foot b{color:rgba(255,255,255,.72)}

/* Muc dang mo o cap 1: bo bo goc ben phai va keo nen cham vien phai, de mat
   nhin thay no "chay" tiep sang cot muc con ben canh */
/* .sb-item co width:100% nen chi rieng margin-right am KHONG keo dai duoc -
   phai noi them dung bang so do vao chieu rong */
.co-subbar .sb-item.active{border-radius:9px 0 0 9px;
  margin-right:-12px;width:calc(100% + 12px);padding-right:20px}

/* --- Nut thu gon cap 1 --- */
.sb-thugon{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;flex-shrink:0;padding:0;border:1px solid rgba(255,255,255,.16);
  border-radius:7px;background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);cursor:pointer;
  transition:background .14s,color .14s}
.sb-thugon:hover{background:rgba(255,255,255,.16);color:#fff}
.sb-thugon:focus-visible{outline:2px solid rgba(255,255,255,.55);outline-offset:1px}

/* --- Cap 1 thu gon: chi con bieu tuong --- */
.app-shell.sb-thu-gon{--sb:66px}
.sb-thu-gon .sb-brand{padding:16px 0;justify-content:center;flex-wrap:wrap;gap:8px}
.sb-thu-gon .sb-brand-text,.sb-thu-gon .sb-search,.sb-thu-gon .sb-group,
.sb-thu-gon .sb-foot,.sb-thu-gon .sb-item > span:not(.sb-ico):not(.sb-badge){display:none}
.sb-thu-gon .sb-thugon{margin:0;transform:rotate(180deg)}
.sb-thu-gon .sb-nav{padding:10px 9px}
.sb-thu-gon .sb-item{justify-content:center;padding:10px 0}
.sb-thu-gon .sb-item.active::before{left:-9px}
.sb-thu-gon .sb-badge{position:absolute;top:2px;right:4px;margin:0;padding:0 5px;font-size:9px}
.co-subbar.sb-thu-gon .sb-item.active{border-radius:9px 0 0 9px;
  margin-right:-9px;width:calc(100% + 9px);padding-right:9px}

/* ===== KHU CHINH ===== */
/* ===== THANH MUC CON (cot thu hai, ben phai thanh menu chinh) =====
   Chi hien khi man hinh dang mo co muc con. Noi dung do 14-subnav.js sinh
   tu chinh cac tab / the cua man hinh do. */
.subbar{position:fixed;top:0;bottom:0;left:var(--sb);width:var(--sb2);z-index:45;
  background:var(--white);border-right:1px solid var(--line);
  padding:14px 10px;overflow-y:auto;display:none;flex-direction:column;gap:2px}
.co-subbar .subbar{display:flex}
/* Dau cot muc con: nhac lai bieu tuong + ten cua muc cap 1 dang mo, kem vach
   mau chay doc, de nguoi dung thay ro "day la cac muc con cua muc kia" */
.sub-head{display:flex;align-items:center;gap:8px;padding:7px 8px 8px;margin-bottom:6px;
  border-bottom:1px solid var(--line);position:relative}
.sub-head::before{content:"";position:absolute;left:-10px;top:0;bottom:-1px;width:3px;
  border-radius:0 3px 3px 0;background:linear-gradient(180deg,var(--c400),var(--c600))}
.sub-head .sub-ico{display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;flex-shrink:0;border-radius:6px;color:#fff;
  background:linear-gradient(135deg,var(--c500),var(--c700))}
.sub-head .sub-ico svg{width:13px;height:13px}
.sub-title{font-size:11.5px;font-weight:700;color:var(--ink);line-height:1.25;min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sub-title small{display:block;font-weight:400;font-size:9.5px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--faint)}
.sub-thugon{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;flex-shrink:0;padding:0;border:1px solid var(--line);border-radius:6px;
  background:transparent;color:var(--muted);cursor:pointer;transition:background .14s,color .14s}
.sub-thugon:hover{background:var(--c50);color:var(--ink)}
.sub-thugon:focus-visible{outline:none;box-shadow:var(--ring)}

/* --- Cap 2 thu gon: con lai mot cot hep chi de mo lai --- */
.app-shell.sb2-thu-gon{--sb2:40px}
.sb2-thu-gon .subbar{padding:14px 6px;align-items:center}
.sb2-thu-gon .sub-item,.sb2-thu-gon .sub-head .sub-ico,.sb2-thu-gon .sub-title{display:none}
.sb2-thu-gon .sub-head{border-bottom:0;padding:0;margin:0;justify-content:center}
.sb2-thu-gon .sub-head::before{display:none}
.sb2-thu-gon .sub-thugon{margin:0;transform:rotate(180deg)}
.sub-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;
  border:0;background:transparent;font-family:inherit;font-size:12.5px;color:var(--ink2);
  padding:8px 10px;border-radius:var(--r);cursor:pointer;line-height:1.35;
  transition:background .13s,color .13s}
.sub-item:hover{background:var(--c50);color:var(--ink)}
.sub-item:focus-visible{outline:none;box-shadow:var(--ring)}
.sub-item.active{background:var(--c50);color:var(--brand-strong);font-weight:650}
.sub-item.active::before{content:"";width:3px;align-self:stretch;border-radius:3px;
  background:linear-gradient(180deg,var(--c400),var(--c600));margin:-2px 0 -2px -4px}
.sub-item:not(.active)::before{content:"";width:3px;flex-shrink:0;margin:0 0 0 -4px}
/* Da co thanh muc con thi bo thanh tab ngang di, tranh hai cho dieu huong
   trung nhau. Chi CO MOT quy tac an, khong co quy tac hien de "danh nhau":
   man hinh hep hay khong la do JS quyet dinh (14-subnav.js) chu khong dua vao
   media query - de tranh hai quy tac cung do uu tien trieu tieu lan nhau. */
.co-subbar.subbar-thay-tab .view.active .wtabs{display:none}

/* Khong dat transition cho margin-left: doi le trai la doi be ngang toan bo
   vung noi dung, chay hoat hinh se giat va lam bang bieu nhay chu moi lan
   chuyen man hinh */
.main-area{flex:1;min-width:0;margin-left:var(--sb);display:flex;flex-direction:column}
.co-subbar .main-area{margin-left:calc(var(--sb) + var(--sb2))}
.topbar{background:var(--topbar-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);height:58px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:0 26px;position:sticky;top:0;z-index:40}
.breadcrumb{font-size:12.5px;color:var(--faint);min-width:0;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.bc-sep{margin:0 7px;opacity:.75}
.bc-current{color:var(--ink);font-weight:600}
.bc-link{color:var(--brand);cursor:pointer}
.bc-link:hover{text-decoration:underline}
.top-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.content{padding:24px 26px 48px;max-width:1400px;width:100%;margin:0 auto}

/* ===== MENU NGUOI DUNG ===== */
.user-menu{position:relative}
.user-trigger{display:flex;align-items:center;gap:10px;background:transparent;border:1px solid transparent;
  cursor:pointer;padding:4px 11px 4px 4px;border-radius:30px;font-family:inherit;color:inherit;
  transition:background .14s,border-color .14s}
.user-trigger:hover{background:var(--bg);border-color:var(--line)}
.user-trigger:focus-visible{outline:none;border-color:var(--c500);box-shadow:var(--ring)}
.user-meta{display:flex;flex-direction:column;align-items:flex-start;line-height:1.25}
.user-name{font-size:12.5px;font-weight:650}
.user-role{font-size:10.5px;color:var(--muted)}
.caret{font-size:9px;color:var(--muted);transition:transform .15s}
.avatar{width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;
  justify-content:center;font-weight:650;font-size:12px;color:#fff;background:var(--c500);
  background-size:cover;background-position:center;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.25)}
.avatar-lg{width:42px;height:42px;font-size:15px}
.avatar-xl{width:68px;height:68px;font-size:24px}
.dropdown{display:none;position:absolute;right:0;top:48px;background:var(--white);border-radius:12px;
  min-width:256px;box-shadow:var(--sh3);overflow:hidden;border:1px solid var(--line)}
.dropdown.open{display:block;animation:dropIn .16s cubic-bezier(.2,.8,.25,1)}
@keyframes dropIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.dropdown-header{display:flex;gap:12px;align-items:center;padding:15px;
  background:linear-gradient(180deg,var(--c50),var(--white))}
.dd-name{font-weight:650;font-size:13px}
.dd-email{font-size:11px;color:var(--muted)}
.dropdown-item{display:block;padding:10px 15px;cursor:pointer;font-size:13px;color:inherit;
  transition:background .12s}
.dropdown-item:hover{background:var(--c50)}
.dropdown-item.danger{color:var(--dan)}
.dropdown-item.danger:hover{background:var(--dan-bg)}
.dropdown-divider{height:1px;background:var(--line)}

/* ===== VIEW ===== */
.view{display:none}
.view.active{display:block;animation:viewIn .2s ease}
@keyframes viewIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  margin-bottom:18px;flex-wrap:wrap}
.page-title{font-size:21px;color:var(--ink)}
.page-sub{margin:4px 0 0;font-size:12.5px;color:var(--muted)}

/* ===== CARD ===== */
.card{background:var(--white);border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--sh);margin-bottom:18px;overflow:hidden;
  transition:box-shadow .18s,border-color .18s}
.card:hover{box-shadow:var(--sh2)}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:var(--white)}
.card-head h2{font-size:14px;color:var(--ink);display:flex;align-items:center;gap:8px}
.card-head h2::before{content:"";width:3px;height:15px;border-radius:3px;flex-shrink:0;
  background:linear-gradient(180deg,var(--c400),var(--c600))}
.card-head .sub{font-size:11.5px;color:var(--muted);font-weight:400;margin-top:2px;flex-basis:100%}
.card-body{padding:18px}
.card-body.flush{padding:0}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.grid-2>.card,.grid-3>.card{margin-bottom:0}
.grid-2,.grid-3{margin-bottom:18px}

/* ===== KPI ===== */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:18px}
.kpi{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:15px 17px 13px;box-shadow:var(--sh);overflow:hidden;transition:box-shadow .18s,transform .18s}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--c400),var(--c600));opacity:.9}
.kpi:hover{box-shadow:var(--sh2);transform:translateY(-1px)}
.kpi-label{font-size:10.5px;color:var(--muted);font-weight:650;text-transform:uppercase;letter-spacing:.6px}
.kpi-value{font-size:27px;font-weight:750;color:var(--brand-strong);margin:6px 0 2px;line-height:1.05;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi-foot{font-size:11.5px;color:var(--muted)}
.kpi.danger::before{background:linear-gradient(180deg,#e5544a,var(--dan))}
.kpi.danger .kpi-value{color:var(--dan)}
.kpi.ok::before{background:linear-gradient(180deg,#22b57f,var(--ok))}
.kpi.ok .kpi-value{color:var(--ok)}

/* ===== PILL / BADGE ===== */
.pill{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:20px;
  font-size:11px;font-weight:650;white-space:nowrap;line-height:1.7;border:1px solid transparent}
.pill::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}
.pill.ok{background:var(--ok-bg);color:var(--ok);border-color:var(--ok-line)}
.pill.warn{background:var(--warn-bg);color:var(--warn);border-color:var(--warn-line)}
.pill.dan{background:var(--dan-bg);color:var(--dan);border-color:var(--dan-line)}
.pill.info{background:var(--info-bg);color:var(--info);border-color:var(--info-line)}
.pill.grey{background:var(--soft);color:var(--ink2);border-color:var(--line)}
.pill.plain::before{display:none}

/* ===== KHONG GIAN DU AN ===== */
.project-head{background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-lg) var(--r-lg) 0 0;padding:18px 20px 0;border-bottom:0;box-shadow:var(--sh)}
.ph-top{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.btn-back{display:inline-flex;align-items:center;gap:4px;background:transparent;border:0;
  color:var(--brand);cursor:pointer;font-size:12px;padding:0;margin-bottom:8px;font-family:inherit;
  font-weight:550}
.btn-back:hover{text-decoration:underline}
.ph-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:12.5px;color:var(--muted);margin-top:7px}
.ph-meta b{color:var(--ink2);font-weight:650}
.wtabs{display:flex;gap:2px;margin-top:16px;overflow-x:auto}
.wtab{position:relative;background:transparent;border:0;border-bottom:2px solid transparent;
  padding:10px 15px;cursor:pointer;color:var(--muted);font-size:13px;font-family:inherit;
  white-space:nowrap;border-radius:8px 8px 0 0;transition:color .14s,background .14s;font-weight:500}
.wtab:hover{color:var(--brand-strong);background:var(--c50)}
.wtab:focus-visible{outline:none;box-shadow:inset var(--ring)}
.wtab.active{color:var(--brand);border-bottom-color:var(--c500);font-weight:650}
.wpanel{display:none;padding-top:18px}
.wpanel.active{display:block;animation:viewIn .18s ease}

/* ===== FORM ===== */
input,select,textarea{display:block;width:100%;padding:8.5px 12px;border:1px solid var(--line2);
  border-radius:var(--r);font-size:13px;font-family:inherit;background:var(--white);color:inherit;
  transition:border-color .14s,box-shadow .14s,background .14s}
input:hover,select:hover,textarea:hover{border-color:var(--faint)}
textarea{min-height:90px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--c500);box-shadow:var(--ring)}
input::placeholder,textarea::placeholder{color:var(--faint)}
input[type=file]{padding:7px 10px;font-size:12px;cursor:pointer}
input[type=file]::file-selector-button{font-family:inherit;font-size:12px;border:1px solid var(--line2);
  background:var(--bg);border-radius:6px;padding:4px 10px;margin-right:10px;cursor:pointer;color:var(--ink2)}
input[type=file]::file-selector-button:hover{background:var(--c50);border-color:var(--c300)}
input[type=checkbox]{accent-color:var(--c500);cursor:pointer}
select{cursor:pointer;appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2364748b' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
.form-panel{background:linear-gradient(180deg,var(--soft),var(--c50));border:1px solid var(--line);
  border-radius:var(--r-lg);padding:16px;margin-bottom:14px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:11px}
.form-grid.full{grid-template-columns:1fr}
.form-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:14px}
.field{margin-bottom:10px}
.field-label{display:block;font-size:11.5px;color:var(--ink2);margin-bottom:5px;font-weight:650}
.inline-form{display:flex;gap:9px;align-items:center;flex-wrap:wrap}
.inline-form select{max-width:330px}
.filter-bar{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding:12px 18px;
  border-bottom:1px solid var(--line);background:var(--soft)}
.filter-bar select,.filter-bar input{width:auto;min-width:145px;font-size:12px;padding:6.5px 10px}
.filter-bar select{padding-right:28px}
.input-search{flex:1;min-width:190px;max-width:340px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:10px center;padding-left:31px!important}
.filter-count{margin-left:auto;font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ===== NUT ===== */
button{font-family:inherit}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:linear-gradient(180deg,var(--c500),var(--c600));color:#fff;
  border:1px solid var(--c600);padding:8px 16px;border-radius:var(--r);cursor:pointer;
  font-size:12.5px;font-weight:600;white-space:nowrap;letter-spacing:.01em;
  box-shadow:0 1px 2px rgba(31,67,112,.25),inset 0 1px 0 rgba(255,255,255,.12);
  transition:filter .14s,transform .1s,box-shadow .14s}
.btn-primary:hover{filter:brightness(1.07);box-shadow:0 3px 8px rgba(31,67,112,.3),inset 0 1px 0 rgba(255,255,255,.12)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.97)}
.btn-primary:focus-visible{outline:none;box-shadow:var(--ring),0 1px 2px rgba(31,67,112,.25)}
.btn-block{width:100%;margin-top:14px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--white);border:1px solid var(--line2);color:var(--ink2);padding:7.5px 14px;
  border-radius:var(--r);cursor:pointer;font-size:12.5px;font-weight:500;white-space:nowrap;
  transition:background .14s,border-color .14s,color .14s,transform .1s}
.btn-ghost:hover{background:var(--c50);border-color:var(--c300);color:var(--brand-strong)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:none;border-color:var(--c500);box-shadow:var(--ring)}
.btn-sm{padding:4.5px 11px;font-size:11.5px}
.btn-danger{color:var(--dan);border-color:var(--dan-line)}
.btn-danger:hover{background:var(--dan-bg);border-color:var(--dan);color:var(--dan)}
button:disabled{opacity:.55;cursor:not-allowed;pointer-events:none}

/* ===== BANG ===== */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 16px;border-bottom:1px solid var(--line);font-size:12.5px;
  vertical-align:middle}
th{color:var(--muted);font-weight:650;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;
  background:var(--soft);position:sticky;top:0;white-space:nowrap;z-index:1}
tbody tr{transition:background .1s}
tbody tr:hover{background:var(--c50)}
tbody tr:last-child td{border-bottom:0}
td.num{text-align:right;font-variant-numeric:tabular-nums}
th.num{text-align:right}
td select{padding:4.5px 26px 4.5px 8px;font-size:11.5px;width:auto;min-width:128px}
td small{color:var(--muted);font-size:11px;display:block;margin-top:1px}
.row-title{font-weight:600;color:var(--ink)}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:15px 24px}
.info-grid p{margin:0;font-size:13px}
.info-grid b{color:var(--muted);font-weight:650;font-size:10.5px;display:block;margin-bottom:3px;
  text-transform:uppercase;letter-spacing:.5px}

.link{color:var(--brand);cursor:pointer;font-weight:500}
.link:hover{text-decoration:underline}
.error{color:var(--dan);font-size:12.5px;margin-top:8px}
.hint{font-size:12px;color:var(--muted);margin:7px 0;line-height:1.6}
.empty{text-align:center;padding:38px 20px;color:var(--muted)}
.empty-ico{font-size:26px;opacity:.35;margin-bottom:8px}
.empty-title{font-size:13.5px;font-weight:650;color:var(--ink2);margin-bottom:3px}
.empty-sub{font-size:12px}

/* ===== BIEU DO COT NGANG ===== */
.bar-chart{display:flex;flex-direction:column;gap:12px}
.bar-row{display:grid;grid-template-columns:112px 1fr auto;gap:12px;align-items:center}
.bar-label{font-size:12px;color:var(--ink2)}
.bar-track{background:var(--soft2);border-radius:20px;height:16px;overflow:hidden}
.bar-fill{height:100%;border-radius:20px;min-width:3px;
  background:linear-gradient(90deg,var(--c400),var(--c600));
  transition:width .6s cubic-bezier(.2,.8,.3,1)}
.bar-value{font-size:12.5px;font-weight:650;color:var(--brand-strong);min-width:30px;text-align:right;
  font-variant-numeric:tabular-nums}
.bar-empty{color:var(--muted);font-size:12px;padding:6px 0}

/* ===== MODAL ===== */
.modal-backdrop{position:fixed;inset:0;background:rgba(10,20,38,.5);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
  display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}
.modal{background:var(--white);border-radius:var(--r-xl);width:100%;max-width:440px;padding:24px;
  max-height:88vh;overflow-y:auto;box-shadow:var(--sh3);
  animation:modalIn .2s cubic-bezier(.2,.8,.25,1)}
@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-lg{max-width:900px}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}
.modal-head h2{font-size:16px;color:var(--ink)}
.modal .field-label{margin-top:11px}
.modal .field-label:first-of-type{margin-top:0}
.account-hero{display:flex;gap:15px;align-items:center;margin-bottom:16px}

/* ===== DOC VAN BAN PHAP LUAT ===== */
.doc-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;
  background:var(--c50);border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:14px}
.doc-meta p{margin:0;font-size:12.5px}
.doc-meta b{display:block;font-size:10.5px;color:var(--muted);text-transform:uppercase;
  letter-spacing:.5px;margin-bottom:2px}
.doc-reader{border:1px solid var(--line);border-radius:var(--r);padding:26px 30px;
  max-height:56vh;overflow-y:auto;background:var(--white);font-size:13.5px;line-height:1.85}
.doc-reader p{margin:0 0 11px} .doc-reader h1,.doc-reader h2,.doc-reader h3{margin:18px 0 9px}
.doc-reader table{margin:12px 0;border:1px solid var(--line)}
.doc-reader td,.doc-reader th{border:1px solid var(--line);padding:6px 9px;position:static}
.doc-reader img{max-width:100%}
.legal-item{padding:14px 18px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .12s}
.legal-item:hover{background:var(--c50)}
.legal-item:last-child{border-bottom:0}
.li-top{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:3px}
.li-no{font-weight:650;font-size:12.5px;color:var(--brand-strong)}
.li-title{font-size:13px;color:var(--ink);margin-bottom:4px;font-weight:550}
.li-sub{font-size:11.5px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}

/* ===== COMMAND PALETTE ===== */
.cmd-backdrop{position:fixed;inset:0;background:rgba(10,20,38,.45);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;
  align-items:flex-start;justify-content:center;z-index:300;padding:90px 20px 20px}
.cmd-box{background:var(--white);border-radius:14px;width:100%;max-width:600px;
  box-shadow:var(--sh3);overflow:hidden;animation:modalIn .18s cubic-bezier(.2,.8,.25,1)}
.cmd-input{border:0;border-bottom:1px solid var(--line);border-radius:0;padding:16px 20px;font-size:14.5px}
.cmd-input:focus{box-shadow:none;border-color:var(--line)}
.cmd-list{max-height:340px;overflow-y:auto;padding:7px}
.cmd-item{display:flex;align-items:center;gap:11px;padding:9.5px 13px;border-radius:var(--r);
  cursor:pointer;font-size:13px}
.cmd-item:hover,.cmd-item.sel{background:var(--c50)}
.cmd-item.sel{box-shadow:inset 2px 0 0 var(--c500)}
.cmd-ico{width:22px;text-align:center;opacity:.55;font-size:12.5px}
.cmd-sub{margin-left:auto;font-size:11px;color:var(--faint)}
.cmd-group{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--faint);
  padding:10px 13px 4px;font-weight:650}
.cmd-foot{border-top:1px solid var(--line);padding:9px 16px;font-size:11px;color:var(--faint);
  display:flex;gap:16px;background:var(--soft)}

/* ===== TOAST ===== */
.toast-wrap{position:fixed;bottom:24px;right:24px;z-index:400;display:flex;
  flex-direction:column;gap:10px;max-width:344px}
.toast{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--c500);
  border-radius:10px;box-shadow:var(--sh2);padding:12px 15px;font-size:12.5px;
  animation:slideIn .24s cubic-bezier(.2,.8,.25,1)}
.toast.ok{border-left-color:var(--ok)} .toast.dan{border-left-color:var(--dan)}
.toast b{display:block;margin-bottom:2px;font-size:12.5px}
.toast span{color:var(--muted);font-size:11.5px}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ===== BAO CAO ===== */
.rpt-types{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:11px}
.rpt-type{border:1px solid var(--line2);border-radius:var(--r-lg);padding:14px 15px;cursor:pointer;
  background:var(--white);transition:border-color .14s,background .14s,box-shadow .14s,transform .14s}
.rpt-type:hover{border-color:var(--c300);background:var(--c50);transform:translateY(-1px);box-shadow:var(--sh)}
.rpt-type.sel{border-color:var(--c500);background:var(--c50);box-shadow:var(--ring)}
.rpt-type b{display:block;font-size:13px;margin-bottom:3px}
.rpt-type span{font-size:11.5px;color:var(--muted)}
.rpt-summary{display:flex;gap:24px;flex-wrap:wrap;font-size:12px;color:var(--muted);
  padding:12px 18px;background:var(--soft);border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums}
.rpt-summary b{color:var(--ink2)}

/* ===== GANTT ===== */
.gantt{display:flex;flex-direction:column;gap:10px}
.gantt-row{display:grid;grid-template-columns:160px 1fr;gap:12px;align-items:center}
.gantt-label{font-size:12px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gantt-track{position:relative;background:var(--soft2);border-radius:7px;height:24px;overflow:hidden}
.gantt-bar{position:absolute;top:3px;bottom:3px;border-radius:5px;
  background:linear-gradient(180deg,var(--c400),var(--c600));
  display:flex;align-items:center;padding:0 8px;font-size:10.5px;color:#fff;
  white-space:nowrap;overflow:hidden;box-shadow:0 1px 2px rgba(15,23,42,.18)}
.gantt-bar.done{background:linear-gradient(180deg,#1d9c6e,var(--ok))}
.gantt-bar.late{background:linear-gradient(180deg,#d84b3f,var(--dan))}
.gantt-axis{display:grid;grid-template-columns:160px 1fr;gap:12px;margin-bottom:2px}
.gantt-axis-labels{display:flex;justify-content:space-between;font-size:10.5px;color:var(--faint)}
.gantt-empty{color:var(--muted);font-size:12.5px;padding:14px 0;text-align:center}

/* ===== QUY TRINH (danh sach buoc trong du an) ===== */
.process-stage{margin-bottom:18px}
.process-stage-title{font-size:12px;font-weight:650;color:var(--brand-strong);text-transform:uppercase;
  letter-spacing:.5px;margin-bottom:8px;padding-bottom:7px;border-bottom:1px solid var(--line)}
.process-step{display:flex;align-items:center;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line)}
.process-step:last-child{border-bottom:0}
.ps-check{width:21px;height:21px;border-radius:50%;border:2px solid var(--line2);flex-shrink:0;
  cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:11px;
  color:transparent;transition:background .14s,border-color .14s,color .14s}
.ps-check:hover{border-color:var(--c400)}
.ps-check.done{background:var(--ok);border-color:var(--ok);color:#fff}
.ps-check.doing{background:var(--info-bg);border-color:var(--info)}
.ps-check.na{background:var(--soft);border-color:var(--line2)}
.ps-name{flex:1;font-size:12.5px}
.ps-name.done{color:var(--muted);text-decoration:line-through}
.ps-select{width:auto;min-width:140px;font-size:11.5px;padding:5px 26px 5px 9px}

/* ===== CHON BUOC / VAN BAN (popup phan trang) ===== */
.sp-item{display:flex;align-items:flex-start;gap:11px;padding:11px 10px;
  border-bottom:1px solid var(--line);cursor:pointer;border-radius:6px;transition:background .12s}
.sp-item:hover{background:var(--c50)}
.sp-item:last-child{border-bottom:0}
.sp-item input[type=checkbox]{width:auto;margin-top:2px;flex-shrink:0}
.sp-item-name{font-size:12.5px;font-weight:550}
.sp-item-meta{font-size:11px;color:var(--muted);margin-top:2px;display:flex;gap:8px;flex-wrap:wrap}

/* ===== CAY TIEN TRINH (quy trinh chuan) ===== */
.process-tree{display:flex;flex-direction:column;align-items:stretch}
.tree-arrow{text-align:center;color:var(--brand);font-size:16px;padding:3px 0;opacity:.55}
.tree-stage{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--white);
  box-shadow:var(--sh)}
.tree-stage-head{display:flex;align-items:center;gap:10px;padding:11px 15px;
  background:linear-gradient(180deg,var(--c50),var(--white));border-bottom:1px solid var(--line)}
.tree-stage-dot{width:9px;height:9px;border-radius:50%;background:var(--c500);flex-shrink:0;
  box-shadow:0 0 0 3px rgba(46,116,181,.18)}
.tree-stage-title{font-size:13px;font-weight:650;color:var(--brand-strong)}
.tree-stage-count{margin-left:auto;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.tree-branch{padding:10px 15px}
.tree-node{display:flex;gap:8px;padding:6px 0}
.tree-connector{color:var(--line2);font-family:ui-monospace,Consolas,monospace;font-size:14px;
  flex-shrink:0;padding-top:1px}
.tree-content{flex:1;min-width:0}
.tree-step-name{font-size:13px;color:var(--ink)}
.tree-step-actions{display:flex;gap:12px;margin-top:3px}
.tree-step-actions .link{font-size:11px}

/* ===== IN AN ===== */
@media print{
  .sidebar,.subbar,.topbar,.filter-bar,.no-print,.toast-wrap{display:none!important}
  .main-area,.co-subbar .main-area{margin-left:0}
  .content{padding:0;max-width:none}
  .card{border:0;box-shadow:none}
  body{background:#fff}
}

/* ===== MAN HINH HEP ===== */
@media (max-width:960px){
  .sidebar{position:static;width:100%;flex-direction:row;align-items:center;padding:0 10px;gap:8px;
    background:var(--c900)}
  .app-shell{flex-direction:column} .main-area,.co-subbar .main-area{margin-left:0}
  /* Man hinh hep khong du cho cho cot thu hai. JS cung da bo lop co-subbar,
     day chi la chot chan cuoi. */
  .subbar{display:none!important}
  .sb-brand{border-bottom:0;padding:10px 6px} .sb-brand-text,.sb-foot,.sb-search,.sb-group{display:none}
  .sb-nav{flex-direction:row;padding:8px 0;overflow-x:auto}
  .sb-item{white-space:nowrap;padding:7px 11px;font-size:12px}
  .sb-item.active::before{display:none}
  .user-meta{display:none} .content{padding:14px} .topbar{padding:0 14px}
}

/* ===== KHOI THU GON (details) tren tab Tong quan du an ===== */
details.thu-gon > summary{list-style:none;cursor:pointer;user-select:none}
details.thu-gon > summary::-webkit-details-marker{display:none}
details.thu-gon > summary::after{content:"\25BE";margin-left:auto;color:var(--muted);
  font-size:13px;transition:transform .15s ease;flex-shrink:0}
details.thu-gon[open] > summary::after{transform:rotate(180deg)}
details.thu-gon > summary:hover{background:var(--c50)}
details.thu-gon:not([open]) > summary{border-bottom:0}