/* admin.css — Khung & component dùng chung cho toàn bộ trang quản trị.
   Nhúng: <link href="/admin/admin.css" rel="stylesheet">
   Layout dựng bởi /admin/_shell.js (mountAdmin). */

:root{
  --cream:#FBF3E7; --cream-card:#FFFDF9; --cream-2:#F3EAD9;
  --coral:#E8875C; --coral-dark:#C96A40;
  --leaf:#7FA582; --leaf-bg:#EEF4EA; --ok:#4C7A50;
  --violet:#8E7CC3; --violet-bg:#EFEBF7;
  --gold:#E8B84B; --gold-bg:#FBF1DC;
  --ink:#3A322A; --ink-soft:#7A6F62; --ink-mute:#A99C8B;
  --line:#EADFCB; --line-2:#DED0B6;
  --err:#C4553F; --err-bg:#FCEEEA; --warn:#C98A2E; --warn-bg:#FBF1DC;
  --blue:#5B8AC9; --blue-bg:#E9F1FA;
  --radius:16px; --radius-sm:10px;
  --sidebar-w:236px;
  --shadow:0 8px 24px -18px rgba(58,50,42,.55);
}
*{box-sizing:border-box;}
html,body{margin:0;font-family:'Nunito',sans-serif;color:var(--ink);background:var(--cream);}
a{color:inherit;}
button{font-family:inherit;}

/* ---------- Shell ---------- */
.admin-shell{display:flex;min-height:100vh;}
.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--cream-card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;}
.sidebar .brand{padding:18px 20px 14px;font-weight:900;font-size:18px;display:flex;align-items:center;gap:8px;}
.sidebar .brand span{color:var(--coral);}
.sidebar .brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--coral),var(--gold));
  display:flex;align-items:center;justify-content:center;font-size:17px;}
.nav-group{padding:6px 12px;}
.nav-group .gt{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;
  color:var(--ink-mute);padding:10px 10px 5px;}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 11px;border-radius:11px;text-decoration:none;
  color:var(--ink-soft);font-weight:700;font-size:14px;margin-bottom:2px;cursor:pointer;transition:background .12s;}
.nav-item:hover{background:var(--cream-2);color:var(--ink);}
.nav-item.active{background:var(--coral);color:#fff;box-shadow:0 4px 12px -6px var(--coral-dark);}
.nav-item .ic{font-size:16px;width:20px;text-align:center;}
.nav-item .badge-n{margin-left:auto;background:var(--err);color:#fff;font-size:11px;font-weight:800;
  border-radius:20px;padding:1px 7px;min-width:18px;text-align:center;}
.nav-item.active .badge-n{background:rgba(255,255,255,.35);}
.sidebar-foot{margin-top:auto;padding:14px 16px;border-top:1px solid var(--line);}
.sidebar-foot .who{font-size:12.5px;color:var(--ink-soft);margin-bottom:8px;line-height:1.35;}
.sidebar-foot .who b{color:var(--ink);}
.sidebar-foot .role-chip{display:inline-block;font-size:11px;font-weight:800;border-radius:20px;padding:1px 9px;
  background:var(--violet-bg);color:var(--violet);text-transform:uppercase;}
.btn-logout{width:100%;background:none;border:1px solid var(--line);border-radius:10px;padding:8px;
  color:var(--ink-soft);font-weight:700;font-size:13px;cursor:pointer;}
.btn-logout:hover{border-color:var(--coral);color:var(--coral-dark);}

.main{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{display:flex;align-items:center;gap:14px;padding:16px 26px;border-bottom:1px solid var(--line);
  background:var(--cream-card);position:sticky;top:0;z-index:20;}
.topbar h1{font-size:20px;margin:0;font-weight:900;}
.topbar .sub{color:var(--ink-soft);font-size:13px;font-weight:700;}
.topbar .sp{flex:1;}
.topbar .tb-actions{display:flex;gap:10px;align-items:center;}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;
  font-size:18px;width:38px;height:38px;cursor:pointer;}
.view{padding:22px 30px 60px;width:100%;max-width:none;}

/* ---------- KPI cards ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-bottom:22px;}
.kpi{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);}
.kpi .k-top{display:flex;align-items:center;justify-content:space-between;}
.kpi .k-ic{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:19px;}
.kpi .k-val{font-size:28px;font-weight:900;margin:8px 0 2px;line-height:1;}
.kpi .k-lab{font-size:13px;color:var(--ink-soft);font-weight:700;}
.kpi .k-sub{font-size:12px;margin-top:6px;font-weight:700;}
.k-ic.c1{background:var(--coral);color:#fff;}.k-ic.c2{background:var(--leaf);color:#fff;}
.k-ic.c3{background:var(--violet);color:#fff;}.k-ic.c4{background:var(--gold);color:#5a4200;}
.k-ic.c5{background:var(--blue);color:#fff;}.k-ic.c6{background:var(--err);color:#fff;}
.up{color:var(--ok);}.down{color:var(--err);}

/* ---------- Card / Section ---------- */
.card{background:var(--cream-card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);}
.card + .card{margin-top:18px;}
.card .c-head{padding:15px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;}
.card .c-head h2{margin:0;font-size:16px;font-weight:900;}
.card .c-head .sp{flex:1;}
.card .c-body{padding:16px 18px;}
.section-title{font-size:15px;font-weight:900;margin:0 0 12px;}

/* ---------- Table ---------- */
.tbl-wrap{overflow-x:auto;}
table.t{width:100%;border-collapse:collapse;font-size:13.5px;}
table.t th,table.t td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;}
table.t th{background:var(--cream-2);color:var(--ink-soft);font-size:12px;text-transform:uppercase;
  letter-spacing:.02em;position:sticky;top:0;}
table.t tbody tr{cursor:pointer;}
table.t tbody tr:hover{background:var(--cream-2);}
table.t tbody tr:last-child td{border-bottom:none;}
table.t td.wrap{white-space:normal;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:none;border-radius:11px;padding:9px 15px;
  font-weight:800;font-size:14px;cursor:pointer;transition:transform .1s,filter .1s;text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn.primary{background:var(--coral);color:#fff;}
.btn.primary:hover{filter:brightness(1.05);}
.btn.leaf{background:var(--leaf);color:#fff;}
.btn.ghost{background:none;border:1px solid var(--line);color:var(--ink-soft);}
.btn.ghost:hover{border-color:var(--coral);color:var(--coral-dark);}
.btn.danger{background:var(--err);color:#fff;}
.btn.sm{padding:6px 11px;font-size:13px;border-radius:9px;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* ---------- Badges / chips ---------- */
.badge{display:inline-block;font-size:11.5px;font-weight:800;border-radius:20px;padding:2px 9px;}
.badge.gray{background:var(--cream-2);color:var(--ink-soft);}
.badge.green{background:var(--leaf-bg);color:var(--ok);}
.badge.red{background:var(--err-bg);color:var(--err);}
.badge.gold{background:var(--gold-bg);color:var(--warn);}
.badge.violet{background:var(--violet-bg);color:var(--violet);}
.badge.blue{background:var(--blue-bg);color:var(--blue);}

/* ---------- Forms ---------- */
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:800;margin-bottom:6px;color:var(--ink-soft);}
.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:var(--radius-sm);font-family:inherit;font-size:14px;background:#fff;color:var(--ink);}
.field textarea{min-height:90px;resize:vertical;}
/* Ô tích / radio không bị kéo giãn full-width */
.field input[type="checkbox"],.field input[type="radio"]{width:auto;padding:0;margin:0;display:inline-block;vertical-align:middle;accent-color:var(--coral);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--coral);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* ---------- Toolbar (search/filter) ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px;}
.toolbar .search{flex:1;min-width:200px;position:relative;}
.toolbar .search input{width:100%;padding:10px 12px 10px 36px;border:1px solid var(--line);
  border-radius:11px;font-family:inherit;font-size:14px;background:var(--cream-card);}
.toolbar .search::before{content:"🔍";position:absolute;left:12px;top:9px;font-size:14px;opacity:.6;}
.toolbar select{padding:9px 12px;border:1px solid var(--line);border-radius:11px;font-family:inherit;
  font-size:14px;background:var(--cream-card);font-weight:700;color:var(--ink-soft);}

/* ---------- Drawer ---------- */
.drawer-bg{position:fixed;inset:0;background:rgba(46,38,32,.5);display:none;z-index:40;}
.drawer-bg.show{display:block;}
.drawer{position:fixed;top:0;right:0;height:100%;width:460px;max-width:94vw;background:var(--cream);
  border-left:1px solid var(--line);z-index:41;transform:translateX(100%);transition:transform .22s;
  display:flex;flex-direction:column;box-shadow:-14px 0 40px -24px rgba(0,0,0,.5);}
.drawer.show{transform:translateX(0);}
.drawer .dh{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:12px;}
.drawer .dh h2{margin:0 0 3px;font-size:19px;}
.drawer .dh .sub{font-size:13px;color:var(--ink-soft);}
.drawer .close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink-soft);line-height:1;}
.drawer .dbody{padding:18px 22px;overflow-y:auto;flex:1;}
.drawer .drow{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:8px 0;border-bottom:1px dashed var(--line);}
.drawer .drow span:first-child{color:var(--ink-soft);font-weight:700;}
.drawer .drow span:last-child{text-align:right;font-weight:700;}
.drawer label.dl{display:block;font-weight:900;font-size:13.5px;margin:20px 0 9px;}

/* ---------- Tabs ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap;}
.tab{padding:9px 15px;font-weight:800;font-size:14px;color:var(--ink-soft);cursor:pointer;border:none;background:none;
  border-bottom:3px solid transparent;margin-bottom:-1px;}
.tab.active{color:var(--coral-dark);border-bottom-color:var(--coral);}

/* ---------- Timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;}
.timeline li{position:relative;padding:0 0 16px 22px;border-left:2px solid var(--line);margin-left:6px;}
.timeline li:last-child{border-left-color:transparent;}
.timeline li::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;
  background:var(--coral);border:2px solid var(--cream);}
.timeline li .tl-t{font-weight:800;font-size:13.5px;}
.timeline li .tl-m{font-size:12.5px;color:var(--ink-soft);}

/* ---------- Progress bar ---------- */
.pbar{height:8px;background:var(--cream-2);border-radius:20px;overflow:hidden;min-width:80px;}
.pbar > i{display:block;height:100%;background:var(--leaf);border-radius:20px;}

/* ---------- Misc ---------- */
.loading{padding:44px;text-align:center;color:var(--ink-soft);font-weight:700;}
.empty{padding:34px;text-align:center;color:var(--ink-mute);font-weight:700;}
.muted{color:var(--ink-soft);}
.right{text-align:right;}
.nowrap{white-space:nowrap;}
.hidden{display:none !important;}

/* ---------- Hồ sơ khách toàn màn hình ---------- */
.pf-bg{position:fixed;inset:0;background:rgba(46,38,32,.55);display:none;z-index:60;padding:24px;}
.pf-bg.show{display:flex;align-items:stretch;justify-content:center;}
.pf{background:var(--cream);border-radius:18px;width:100%;max-width:1240px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.6);}
.pf-head{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid var(--line);background:var(--cream-card);}
.pf-head .av{width:46px;height:46px;border-radius:50%;background:var(--coral);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:19px;flex-shrink:0;}
.pf-head h2{margin:0;font-size:19px;}
.pf-head .sub{font-size:12.5px;color:var(--ink-soft);}
.pf-head .hact{margin-left:auto;display:flex;gap:8px;align-items:center;}
.pf-close{background:none;border:none;font-size:26px;cursor:pointer;color:var(--ink-soft);line-height:1;}
.pf-tabs{display:flex;gap:2px;padding:0 18px;border-bottom:1px solid var(--line);background:var(--cream-card);overflow-x:auto;}
.pf-tab{padding:12px 16px;font-weight:800;font-size:14px;color:var(--ink-soft);cursor:pointer;border:none;background:none;border-bottom:3px solid transparent;white-space:nowrap;}
.pf-tab.active{color:var(--coral-dark);border-bottom-color:var(--coral);}
.pf-body{flex:1;overflow-y:auto;padding:22px;background:var(--cream);}
.pf-body .drow{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;padding:8px 0;border-bottom:1px dashed var(--line);}
.pf-body .drow span:first-child{color:var(--ink-soft);font-weight:700;}
.pf-body .drow span:last-child{text-align:right;font-weight:700;}
.pf-body .dl{display:block;font-weight:900;font-size:13.5px;margin:16px 0 9px;}
.pf-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:900px){.pf-grid{grid-template-columns:1fr;}.pf-bg{padding:0;}.pf{border-radius:0;max-width:none;}}
.pf-note{display:flex;gap:11px;padding:12px 0;border-bottom:1px dashed var(--line);}
.pf-note .na{width:32px;height:32px;border-radius:50%;background:var(--violet);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;flex-shrink:0;}
.pf-note .nb{flex:1;}
.pf-note .who{font-weight:800;font-size:13px;}.pf-note .when{color:var(--ink-soft);font-size:12px;font-weight:700;}
.pf-note .txt{font-size:13.5px;margin-top:3px;white-space:pre-wrap;}
.pf-note img{max-width:180px;border-radius:10px;margin-top:8px;display:block;border:1px solid var(--line);}
.stepper{display:flex;overflow-x:auto;gap:0;margin:2px 0 8px;}
.stp{flex:1;min-width:96px;text-align:center;position:relative;cursor:pointer;}
.stp::before{content:"";position:absolute;top:16px;left:-50%;width:100%;height:3px;background:var(--line);z-index:0;}
.stp:first-child::before{display:none;}.stp.done::before{background:var(--leaf);}
.stp .d{width:34px;height:34px;border-radius:50%;background:var(--cream-2);border:2px solid var(--line);color:var(--ink-mute);display:flex;align-items:center;justify-content:center;margin:0 auto 5px;position:relative;z-index:1;font-size:15px;}
.stp.done .d{background:var(--leaf);border-color:var(--leaf);color:#fff;}
.stp.cur .d{background:var(--coral);border-color:var(--coral);color:#fff;box-shadow:0 0 0 4px var(--cream-2);}
.stp .l{font-size:12px;font-weight:800;line-height:1.2;}.stp .dt{font-size:10.5px;color:var(--ink-soft);}
.kid-card{background:var(--cream-card);border:1px solid var(--line);border-radius:14px;padding:15px 17px;margin-bottom:14px;}
.kid-card .kh{display:flex;align-items:center;gap:12px;}
.kid-card .ke{font-size:30px;}

/* ---------- Toast ---------- */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);opacity:0;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-weight:700;font-size:14px;
  z-index:60;transition:opacity .2s,transform .2s;pointer-events:none;box-shadow:0 10px 30px -10px rgba(0,0,0,.5);}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast.ok{background:var(--ok);}.toast.err{background:var(--err);}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .sidebar{position:fixed;left:0;top:0;z-index:50;transform:translateX(-100%);transition:transform .2s;}
  .sidebar.open{transform:translateX(0);box-shadow:8px 0 40px -18px rgba(0,0,0,.4);}
  .menu-toggle{display:block;}
  .form-row{grid-template-columns:1fr;}
  .drawer{width:100%;}
}