:root{
  --navy:#0B2545;--blue:#1B5FCF;--blue-light:#E7EFFC;--blue-mid:#BBD3F7;
  --bg:#F5F8FE;--card:#FFFFFF;--text:#1E2530;--muted:#5B6472;--border:#DCE6F7;
  --sidebar-bg:#0B2545;--sidebar-text:#C9D6EC;--sidebar-active-bg:#1B5FCF;--sidebar-active-text:#FFFFFF;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B1220;--card:#131C2E;--text:#E7ECF5;--muted:#93A0B4;--border:#22314D;
  --blue-light:#152238;--navy:#BBD3F7;
}}
:root[data-theme="dark"]{
  --bg:#0B1220;--card:#131C2E;--text:#E7ECF5;--muted:#93A0B4;--border:#22314D;
  --blue-light:#152238;--navy:#BBD3F7;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);min-height:100%;-webkit-tap-highlight-color:transparent}
body.noscroll{overflow:hidden}
.menu-btn,.scrim{display:none}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll td,.table-scroll th{white-space:nowrap}
.who-text{min-width:0}
.who-text .who{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-shell{display:flex;min-height:100vh}
.sidebar{width:256px;flex:0 0 256px;background:var(--sidebar-bg);padding:18px 12px;position:sticky;top:0;height:100vh;overflow-y:auto;position:relative}
.sidebar .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff;padding:6px 10px 18px}
.sidebar .brand .dot{width:10px;height:10px;border-radius:2px;background:var(--blue-mid)}
.navitem{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:8px;color:var(--sidebar-text);font-size:13.5px;font-weight:600;cursor:pointer;margin-bottom:4px;white-space:nowrap}
.navitem svg{flex:0 0 19px;width:19px;height:19px}
.navitem:hover{background:rgba(255,255,255,0.08)}
.navitem.active{background:var(--sidebar-active-bg);color:var(--sidebar-active-text)}
.main{flex:1;min-width:0}
.wrap{max-width:920px;margin:0 auto;padding:0 24px 60px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--card);position:sticky;top:0;z-index:5}
.who{font-size:13px;color:var(--muted)}
.btn{border:1px solid var(--border);background:var(--card);color:var(--text);padding:9px 16px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:600;transition:background-color .15s ease,border-color .15s ease,transform .08s ease,opacity .15s ease}
.btn:hover{border-color:var(--blue)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.6;cursor:not-allowed;pointer-events:none;transform:none}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn.primary:hover{background:var(--navy)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.small{padding:6px 12px;font-size:13px}
.icon-btn{border:1px solid var(--border);background:var(--card);border-radius:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:border-color .15s ease,transform .08s ease}
.icon-btn:hover{border-color:var(--blue)}
.icon-btn:active{transform:scale(.94)}
.icon-btn svg{width:18px;height:18px;color:var(--text)}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
h1{font-size:22px;margin:24px 0 4px;color:var(--navy)}
h2{font-size:16px;margin:0 0 12px;color:var(--navy)}
.sub{color:var(--muted);font-size:14px;margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.metric{background:var(--blue-light);border-radius:10px;padding:14px}
.metric .metric-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:2px}
.metric svg{width:16px;height:16px;color:var(--blue);opacity:.75}
.metric .n{font-size:24px;font-weight:700;color:var(--navy)}
.metric .l{font-size:12px;color:var(--muted);margin-top:2px}
.bar{height:8px;background:var(--blue-light);border-radius:4px;overflow:hidden;margin-top:6px}
.bar > div{height:100%;background:var(--blue);transition:width .3s ease}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em;padding:8px 10px;border-bottom:1px solid var(--border)}
td{padding:10px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tr.clickable{cursor:pointer;transition:background-color .12s ease}
tr.clickable:hover{background:var(--blue-light)}
input,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:var(--card);color:var(--text);font-size:14px;font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}
input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-light)}
label{font-size:13px;color:var(--muted);display:block;margin:0 0 4px}
.field{margin-bottom:12px}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.pending{background:#FAEEDA;color:#854F0B}
.badge.submitted{background:var(--blue-light);color:var(--blue)}
.badge.approved{background:#EAF3DE;color:#3B6D11}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{max-width:380px;width:100%;text-align:center;position:relative}
.login-top-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.login-top-row .brand{margin:0;padding:0}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 30px}
.who-row{display:flex;align-items:center;gap:10px}
.notice{background:var(--blue-light);border-radius:8px;padding:10px 12px;font-size:13px;color:var(--navy);margin-top:10px}
.notice.warn{background:#FAEEDA;color:#854F0B}
.notice.err{background:#FCEBEB;color:#791F1F}
.empty{color:var(--muted);font-size:14px;text-align:center;padding:28px 20px;display:flex;flex-direction:column;align-items:center;gap:8px}
.empty svg{width:26px;height:26px;color:var(--border);opacity:.9}
.list-item{border-bottom:1px solid var(--border);padding:12px 0}
.list-item:last-child{border-bottom:none}
.list-item .row{display:flex;justify-content:space-between;align-items:center;gap:10px}
.thumb{width:44px;height:44px;border-radius:6px;object-fit:cover;border:1px solid var(--border)}
.hidden{display:none !important}
.desktop-only-msg{max-width:420px;margin:80px auto;text-align:center;padding:20px}
.back-link{font-size:13px;color:var(--blue);cursor:pointer;margin-bottom:10px;display:inline-block}

/* Hidden admin login modal (Ctrl+Shift+2) */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(5,12,25,.6);z-index:60;
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .18s ease;
}
.modal-backdrop.open{opacity:1;pointer-events:auto}
.modal-card{
  background:var(--card);border-radius:14px;max-width:360px;width:100%;
  padding:22px;box-shadow:0 24px 60px rgba(0,0,0,.35);
  transform:translateY(10px) scale(.97);transition:transform .18s ease;
  text-align:left;
}
.modal-backdrop.open .modal-card{transform:translateY(0) scale(1)}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.modal-head h2{margin:0}
@media (max-width:899px){.admin-guard-desktop{display:none !important}}
@media (min-width:900px){.admin-guard-mobile{display:none !important}}
@media (max-width:820px){
  .app-shell{display:block}
  .menu-btn{display:flex}
  .sidebar{position:fixed;top:0;left:0;bottom:0;width:284px;max-width:84vw;height:100dvh;z-index:30;
    transform:translateX(-100%);transition:transform .22s ease;padding:calc(18px + env(safe-area-inset-top,0px)) 12px calc(18px + env(safe-area-inset-bottom,0px));box-shadow:none}
  .sidebar.open{transform:none;box-shadow:0 0 40px rgba(0,0,0,.35)}
  .scrim{position:fixed;inset:0;background:rgba(5,12,25,.55);z-index:25;opacity:0;pointer-events:none;transition:opacity .22s ease;display:block}
  .scrim.open{opacity:1;pointer-events:auto}
  .navitem{min-height:46px;font-size:15px}
  header.top{padding:10px 14px;padding-top:calc(10px + env(safe-area-inset-top,0px));gap:8px}
  .who-row{gap:10px;min-width:0;flex:1}
  .who{font-size:12px}
  header.top .btn.small{padding:8px 10px;white-space:nowrap}
  .wrap{padding:0 14px calc(40px + env(safe-area-inset-bottom,0px))}
  h1{font-size:20px;margin-top:18px}
  .card{padding:16px;border-radius:12px}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .metric{padding:12px}.metric .n{font-size:20px}
  input,textarea{font-size:16px;min-height:44px}
  .btn{min-height:44px}
  .btn.small{min-height:38px}
  .card .btn.primary{width:100%}
  .list-item .row{flex-direction:column;align-items:flex-start;gap:10px}
  .list-item .row > span:last-child{width:100%;justify-content:flex-start}
  .login-wrap{min-height:100dvh;padding:16px}
  th,td{padding:10px 8px}
}