/* =============================================================================
   Request Manage Admin — shared design system
   Tokens, typography, components, layout and dark mode for every admin page.
   ============================================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  /* brand */
  --primary:#2563eb; --primary-600:#1d4ed8; --primary-700:#1e40af; --primary-soft:#eff6ff; --primary-ring:rgba(37,99,235,.22);
  --sidebar:#0f172a; --sidebar-2:#162033; --sidebar-ink:#cbd5e1; --sidebar-muted:#7c8ba3;
  /* status */
  --success:#16a34a; --success-soft:#dcfce7; --success-ink:#15803d;
  --warning:#f59e0b; --warning-soft:#fef3c7; --warning-ink:#b45309;
  --danger:#dc2626;  --danger-soft:#fee2e2;  --danger-ink:#b91c1c;
  --info-soft:#ede9fe; --info-ink:#6d28d9;
  /* grays */
  --gray-50:#f8fafc; --gray-100:#f1f5f9; --gray-200:#e2e8f0; --gray-300:#cbd5e1; --gray-400:#94a3b8;
  --gray-500:#64748b; --gray-600:#475569; --gray-700:#334155; --gray-800:#1e293b; --gray-900:#0f172a;
  /* surfaces & text */
  --bg:#f3f5f9; --surface:#ffffff; --surface-2:var(--gray-50); --border:#e6eaf0; --border-strong:var(--gray-300);
  --ink:var(--gray-900); --ink-2:var(--gray-600); --muted:var(--gray-500); --faint:var(--gray-400);
  --row-hover:#f8fafc; --thead:#f8fafc; --chart-grid:#eef2f7; --chart-axis:#cbd5e1; --chart-bar:#2a78d6; --chart-bar-2:#d03b3b;
  /* radius, shadow, spacing */
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05), 0 1px 3px rgba(15,23,42,.04);
  --shadow-md:0 2px 4px rgba(15,23,42,.05), 0 10px 24px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,.18);
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:20px; --s-6:24px; --s-8:32px; --s-10:40px;
  /* type scale */
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --fs-xs:11.5px; --fs-sm:12.5px; --fs-base:14px; --fs-md:15px; --fs-lg:18px; --fs-xl:22px; --fs-hero:28px;
  /* layout */
  --sidebar-w:248px; --sidebar-w-min:72px; --topbar-h:64px;
  color-scheme:light;
}

/* ---------- 2. Dark mode (OS preference) ---------- */
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0b1220; --surface:#121a2b; --surface-2:#182236; --border:#233047; --border-strong:#334155;
    --ink:#e6edf7; --ink-2:#b6c2d6; --muted:#8a9bb5; --faint:#5f7190;
    --row-hover:#172238; --thead:#152037; --chart-grid:#1f2b42; --chart-axis:#3b4a66; --chart-bar:#3987e5; --chart-bar-2:#e66767;
    --primary-soft:#172554; --success-soft:#052e16; --success-ink:#4ade80; --warning-soft:#3a2605; --warning-ink:#fbbf24;
    --danger-soft:#3f0d0d; --danger-ink:#f87171; --info-soft:#2e1065; --info-ink:#c4b5fd;
    --gray-100:#1b2538; --gray-200:#243247;
    --shadow-sm:0 1px 2px rgba(0,0,0,.4); --shadow-md:0 10px 24px rgba(0,0,0,.45); --shadow-lg:0 20px 50px rgba(0,0,0,.6);
    --sidebar:#0a0f1c; --sidebar-2:#111a2c;
    color-scheme:dark;
  }
}

/* ---------- 3. Base & typography ---------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:var(--fs-base);line-height:1.45;background:var(--bg);color:var(--ink)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
svg{display:block}
.hidden{display:none!important}
.page-title{font-size:var(--fs-lg);font-weight:700;letter-spacing:-.01em;margin:0}
.page-sub{margin:1px 0 0;color:var(--muted);font-size:var(--fs-sm)}
.section-title{font-size:var(--fs-md);font-weight:700;margin:0}
.small,.sub{font-size:var(--fs-sm);color:var(--muted)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:var(--fs-sm)}
.text-muted{color:var(--muted)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ---------- 4. Inputs ---------- */
label{display:block;font-size:var(--fs-sm);color:var(--muted);margin:0 0 6px;font-weight:500}
input,select,textarea{width:100%;height:40px;padding:0 12px;border:1px solid var(--border);border-radius:var(--r-sm);font:inherit;font-size:var(--fs-base);color:var(--ink);outline:none;background:var(--surface);transition:border-color .15s,box-shadow .15s}
textarea{height:auto;padding:10px 12px}
input::placeholder{color:var(--faint)}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-ring)}
input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}
select.sel{width:auto;height:34px;padding:0 30px 0 12px;border-radius:var(--r-pill);font-size:13px;color:var(--ink);appearance:none;-webkit-appearance:none;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 11px center}
.search{position:relative;width:300px;max-width:100%}
.search svg{position:absolute;left:11px;top:50%;width:16px;height:16px;transform:translateY(-50%);color:var(--faint);pointer-events:none}
.search input{height:38px;padding-left:34px}
.field-pw{position:relative}
.field-pw input{padding-right:42px}
.field-pw .eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:30px;height:30px;border:0;border-radius:6px;background:transparent;color:var(--muted);cursor:pointer;display:grid;place-items:center}
.field-pw .eye:hover{background:var(--gray-100);color:var(--ink)}
.field-pw .eye svg{width:18px;height:18px}

/* ---------- 5. Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:40px;padding:0 18px;border:1px solid transparent;border-radius:var(--r-sm);background:var(--primary);color:#fff;font:inherit;font-size:var(--fs-base);font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s,box-shadow .15s,opacity .15s,transform .05s}
.btn:hover{background:var(--primary-600)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--primary-ring)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
.btn svg{width:16px;height:16px}
.btn.secondary{background:var(--gray-100);color:var(--ink)}
.btn.secondary:hover{background:var(--gray-200)}
.btn.ghost{background:transparent;color:var(--ink-2);border-color:var(--border)}
.btn.ghost:hover{background:var(--gray-100);color:var(--ink)}
.btn.success{background:var(--success)}
.btn.success:hover{background:#15803d}
.btn.danger{background:var(--danger-soft);color:var(--danger-ink)}
.btn.danger:hover{background:#fecaca}
.btn.danger.solid{background:var(--danger);color:#fff}
.btn.danger.solid:hover{background:var(--danger-ink)}
.btn.block{width:100%;margin-top:18px}
.btn.xs{height:30px;padding:0 11px;font-size:12px;border-radius:6px}
.btn.icon{width:40px;padding:0}
.btn.icon.xs{width:30px}
.link-btn{background:none;border:0;padding:0;color:var(--primary);font:inherit;font-size:13px;font-weight:600;cursor:pointer}
.link-btn:hover{text-decoration:underline}

/* ---------- 6. Badges, pills, chips, tabs ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary-600);text-transform:capitalize;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.75;flex:none}
.pill.gray{background:var(--gray-100);color:var(--ink-2)}
.pill.amber{background:var(--warning-soft);color:var(--warning-ink)}
.pill.green{background:var(--success-soft);color:var(--success-ink)}
.pill.red{background:var(--danger-soft);color:var(--danger-ink)}
.pill.blue{background:var(--primary-soft);color:var(--primary-600)}
.pill.violet{background:var(--info-soft);color:var(--info-ink)}
.count-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:var(--r-pill);background:var(--warning);color:#1f1300;font-size:11px;font-weight:700}
.count-badge.red{background:var(--danger);color:#fff}
.count-badge.blue{background:var(--primary);color:#fff}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{height:34px;padding:0 13px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--surface);color:var(--muted);font:inherit;font-size:13px;font-weight:500;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s,color .15s,border-color .15s}
.chip:hover{background:var(--gray-100);color:var(--ink)}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.chip .count{font-size:11px;opacity:.75}
.filter-chip{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 6px 0 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary-600);font-size:13px;font-weight:600}
.filter-chip button{width:22px;height:22px;border:0;border-radius:50%;background:rgba(29,78,216,.12);color:inherit;cursor:pointer;font-size:14px;line-height:1}
.filter-chip button:hover{background:rgba(29,78,216,.22)}
.team{display:inline-flex;gap:4px;flex-wrap:nowrap}
.team .t{display:inline-flex;align-items:center;gap:4px;height:24px;padding:0 8px;border-radius:var(--r-pill);background:var(--gray-100);color:var(--ink-2);font-size:11.5px;font-weight:600;white-space:nowrap}
.team .t b{color:var(--ink)}
.team .t.hod{background:var(--info-soft);color:var(--info-ink)}
.team .t.op{background:var(--primary-soft);color:var(--primary-600)}
.team .t.mt{background:var(--warning-soft);color:var(--warning-ink)}
.team .t.ad{background:var(--success-soft);color:var(--success-ink)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#60a5fa,#2563eb);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700;flex:none}
.avatar.sm{width:30px;height:30px;font-size:12px;background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1e3a8a}

/* ---------- 7. Cards & panels ---------- */
.panel,.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-sm);margin-bottom:var(--s-6);overflow:hidden}
.panel h3{font-size:var(--fs-md);font-weight:700;margin:0;padding:var(--s-4) var(--s-5);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel h3 a{font-size:13px;font-weight:500}
.panel h3 .hint{font-size:12px;font-weight:500;color:var(--muted)}
.panel .body{padding:18px var(--s-5) var(--s-5)}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px var(--s-5);border-bottom:1px solid var(--border);flex-wrap:wrap}
.toolbar .group{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.toolbar .sep{width:1px;height:22px;background:var(--border);margin:0 4px}
.owner-select{max-width:240px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:var(--s-4);margin-bottom:var(--s-6)}
.stat{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;box-shadow:var(--shadow-sm);color:inherit;transition:box-shadow .15s,transform .15s,border-color .15s}
a.stat:hover{text-decoration:none;box-shadow:var(--shadow-md);transform:translateY(-1px);border-color:var(--border-strong)}
.stat .ico{width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;flex:none;background:var(--primary-soft);color:var(--primary-600)}
.stat .ico svg{width:22px;height:22px}
.stat .ico.amber{background:var(--warning-soft);color:var(--warning-ink)}
.stat .ico.green{background:var(--success-soft);color:var(--success-ink)}
.stat .ico.red{background:var(--danger-soft);color:var(--danger-ink)}
.stat .ico.violet{background:var(--info-soft);color:var(--info-ink)}
.stat .ico.gray{background:var(--gray-100);color:var(--ink-2)}
.stat .n{font-size:26px;font-weight:800;line-height:1.1;letter-spacing:-.02em}
.stat .l{color:var(--muted);font-size:var(--fs-sm);margin-top:4px;white-space:nowrap}
.stat .trend{display:block;font-size:11.5px;margin-top:3px;color:var(--muted)}
.stat .trend.up{color:var(--success-ink)}
.stat .trend.down{color:var(--danger-ink)}
.stat.warn{border-color:#fcd34d;background:linear-gradient(180deg,var(--warning-soft),var(--surface))}
.summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:18px}
.summary .stat{padding:14px 16px}
.summary .stat .n{font-size:22px}

/* ---------- 8. Tables ---------- */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:var(--fs-base)}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);white-space:nowrap;vertical-align:middle}
thead th{background:var(--thead);color:var(--muted);font-weight:600;font-size:var(--fs-xs);text-transform:uppercase;letter-spacing:.06em;position:sticky;top:0;z-index:1}
td.wrap{white-space:normal;min-width:240px;max-width:380px}
td .sub{display:block;font-size:12px;color:var(--muted);margin:2px 0 0}
td .person{display:flex;align-items:center;gap:10px}
td .person b{font-weight:600}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--row-hover)}
.empty{color:var(--muted);text-align:center;padding:34px 14px!important}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);padding:12px 0}
.empty-state svg{width:34px;height:34px;color:var(--faint)}
.actions{display:flex;gap:6px}
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px var(--s-5);border-top:1px solid var(--border);font-size:13px;color:var(--muted)}
.pager .btns{display:flex;gap:6px}
.skeleton{display:inline-block;height:12px;border-radius:6px;background:linear-gradient(90deg,var(--gray-100) 25%,var(--gray-200) 37%,var(--gray-100) 63%);background-size:400% 100%;animation:shimmer 1.3s ease infinite}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* ---------- 9. Dropdown menu, modal, toast, messages ---------- */
.menu{position:relative;display:inline-block}
.menu-panel{position:absolute;right:0;top:calc(100% + 6px);min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-md);padding:6px;z-index:40}
.menu-panel.left{right:auto;left:0}
.menu-panel .mi{display:flex;align-items:center;gap:10px;width:100%;padding:9px 10px;border:0;border-radius:var(--r-sm);background:none;color:var(--ink);font:inherit;font-size:13.5px;text-align:left;cursor:pointer;text-decoration:none}
.menu-panel .mi:hover{background:var(--gray-100);text-decoration:none}
.menu-panel .mi.danger{color:var(--danger-ink)}
.menu-panel .mi svg{width:16px;height:16px;color:var(--muted);flex:none}
.menu-panel .mi.danger svg{color:inherit}
.menu-panel .mh{padding:10px 10px 8px;border-bottom:1px solid var(--border);margin-bottom:6px}
.menu-panel .mh b{display:block;font-size:14px}
.menu-panel .mh span{display:block;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.menu-panel .divider{height:1px;background:var(--border);margin:6px 0}
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:30;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--surface);border-radius:var(--r-lg);width:100%;max-width:980px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);overflow:hidden}
.modal.sm{max-width:440px}
.modal h3{margin:0;padding:16px 20px;border-bottom:1px solid var(--border);font-size:var(--fs-md);display:flex;align-items:center;justify-content:space-between;gap:12px}
.modal h3 .x{width:32px;height:32px;border:0;border-radius:var(--r-sm);background:var(--gray-100);color:var(--ink);cursor:pointer;font-size:18px;line-height:1}
.modal .scroll{overflow:auto}
.modal .meta{padding:12px 20px;border-bottom:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap}
.modal .mbody{padding:18px 20px;color:var(--ink-2);font-size:var(--fs-base)}
.modal .mfoot{padding:12px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
#toasts{position:fixed;right:20px;bottom:20px;z-index:50;display:flex;flex-direction:column;gap:8px;max-width:360px}
.toast{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;border-radius:var(--r-md);background:var(--gray-900);color:#fff;font-size:13.5px;box-shadow:var(--shadow-md);animation:toast-in .18s ease}
.toast svg{width:18px;height:18px;flex:none;margin-top:1px}
.toast.ok svg{color:#4ade80}
.toast.err svg{color:#f87171}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.msg{margin-top:14px;font-size:13px;padding:10px 12px;border-radius:var(--r-sm);display:none}
.msg.err{display:block;background:var(--danger-soft);color:var(--danger-ink);border:1px solid #fecaca}
.msg.ok{display:block;background:var(--success-soft);color:var(--success-ink);border:1px solid #bbf7d0}

/* ---------- 10. Charts ---------- */
.charts{display:grid;grid-template-columns:2fr 1fr;gap:var(--s-4);margin-bottom:var(--s-6)}
.charts .panel{margin:0}
.chart{padding:8px 20px 16px;position:relative}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart .grid{stroke:var(--chart-grid);stroke-width:1}
.chart .axis{stroke:var(--chart-axis);stroke-width:1}
.chart .tick{fill:var(--muted);font-size:11px}
.chart .lbl{fill:var(--ink);font-size:12px;font-weight:600}
.chart .lbl.muted{fill:var(--muted);font-weight:500}
.chart .bar{fill:var(--chart-bar);transition:opacity .1s}
.chart .bar.failed{fill:var(--chart-bar-2)}
.chart .hit{fill:transparent}
.chart g:hover .bar{opacity:.85}
.chart .legend{display:flex;gap:16px;align-items:center;font-size:12.5px;color:var(--muted);padding:6px 0 2px}
.chart .legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.chart .tip{position:absolute;pointer-events:none;background:var(--gray-900);color:#fff;font-size:12px;padding:7px 10px;border-radius:var(--r-sm);white-space:nowrap;transform:translate(-50%,-110%);box-shadow:var(--shadow-md);display:none;z-index:3}
.chart .tip b{display:block;font-size:12.5px}
.chart .tip span{color:#c7d2e3}

/* ---------- 11. Layout: shell, sidebar, header ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);flex:none;background:var(--sidebar);color:var(--sidebar-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;transition:width .2s ease}
.sidebar .brand{display:flex;align-items:center;gap:12px;padding:18px 20px 16px;border-bottom:1px solid rgba(255,255,255,.06);min-height:93px}
.brand-tile{width:56px;height:56px;border-radius:14px;background:#fff;display:grid;place-items:center;padding:5px;flex:none;box-shadow:0 8px 20px rgba(0,0,0,.35)}
.brand-tile img{width:100%;height:100%;object-fit:contain}
.brand h1{font-size:15px;margin:0;font-weight:700;color:#fff;white-space:nowrap}
.brand small{display:block;font-size:11px;font-weight:500;color:var(--sidebar-muted);letter-spacing:.06em;text-transform:uppercase;margin-top:1px;white-space:nowrap}
.nav{display:flex;flex-direction:column;gap:2px;padding:14px 12px;flex:1;overflow-y:auto;overflow-x:hidden}
.nav .section{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--sidebar-muted);padding:8px 12px 6px;white-space:nowrap}
.nav a{display:flex;align-items:center;gap:12px;height:42px;padding:0 12px;border-radius:10px;color:var(--sidebar-ink);font-size:var(--fs-base);font-weight:500;white-space:nowrap;transition:background .15s,color .15s;text-decoration:none}
.nav a svg{width:18px;height:18px;flex:none;opacity:.85}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.nav a.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(37,99,235,.35)}
.nav a.active svg{opacity:1}
.nav a .label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
.nav .count{margin-left:auto}
.sidebar-foot{padding:10px 12px 14px;border-top:1px solid rgba(255,255,255,.06)}
.help-link{display:flex;align-items:center;gap:12px;height:42px;margin-bottom:4px;padding:0 12px;border-radius:10px;color:var(--sidebar-ink);font-size:var(--fs-base);font-weight:500;white-space:nowrap;text-decoration:none;transition:background .15s,color .15s}
.help-link svg{width:18px;height:18px;flex:none;opacity:.85}
.help-link:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.help-link .label{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis}
body.sb-collapsed .help-link{justify-content:center;padding:0;position:relative}
body.sb-collapsed .help-link .label{display:none}
body.sb-collapsed .help-link::after{content:attr(data-label);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--gray-900);color:#fff;font-size:12px;padding:5px 9px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:30}
body.sb-collapsed .help-link:hover::after{opacity:1}
.collapse-btn{display:flex;align-items:center;gap:10px;width:100%;height:38px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:var(--sidebar-muted);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}
.collapse-btn:hover{background:rgba(255,255,255,.06);color:#fff}
.collapse-btn svg{width:18px;height:18px;flex:none;transition:transform .2s}
/* collapsed (icon-only) */
body.sb-collapsed .sidebar{width:var(--sidebar-w-min)}
body.sb-collapsed .brand{padding:16px 8px;justify-content:center}
body.sb-collapsed .brand .brand-text,body.sb-collapsed .nav .section,body.sb-collapsed .nav a .label,body.sb-collapsed .collapse-btn .label{display:none}
body.sb-collapsed .nav{padding:14px 10px}
body.sb-collapsed .nav a{justify-content:center;padding:0;position:relative}
body.sb-collapsed .nav .count{position:absolute;top:4px;right:4px;margin:0;min-width:16px;height:16px;font-size:9.5px;padding:0 4px}
body.sb-collapsed .collapse-btn{justify-content:center;padding:0}
body.sb-collapsed .collapse-btn svg{transform:rotate(180deg)}
body.sb-collapsed .nav a::after{content:attr(data-label);position:absolute;left:calc(100% + 10px);top:50%;transform:translateY(-50%);background:var(--gray-900);color:#fff;font-size:12px;padding:5px 9px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:30}
body.sb-collapsed .nav a:hover::after{opacity:1}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--topbar-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 28px;position:sticky;top:0;z-index:5}
.topbar .left{display:flex;align-items:center;gap:12px;min-width:0}
.topbar .right{display:flex;align-items:center;gap:10px}
.topbar .date{font-size:13px;color:var(--muted);white-space:nowrap;margin-right:6px}
.icon-btn{width:40px;height:40px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);color:var(--ink-2);cursor:pointer;display:grid;place-items:center;position:relative}
.icon-btn:hover{background:var(--gray-100);color:var(--ink)}
.icon-btn svg{width:19px;height:19px}
.icon-btn .dot{position:absolute;top:6px;right:6px;min-width:16px;height:16px;padding:0 4px;border-radius:var(--r-pill);background:var(--danger);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;border:2px solid var(--surface)}
.avatar-btn{display:flex;align-items:center;gap:10px;height:40px;padding:0 10px 0 4px;border:1px solid var(--border);border-radius:var(--r-pill);background:var(--surface);cursor:pointer;color:var(--ink);font:inherit}
.avatar-btn:hover{background:var(--gray-100)}
.avatar-btn .nm{font-size:13px;font-weight:600;white-space:nowrap;max-width:160px;overflow:hidden;text-overflow:ellipsis}
.avatar-btn svg{width:14px;height:14px;color:var(--muted)}
.menu-btn{display:none}
.backdrop{display:none;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:19}
.notif-list{max-height:320px;overflow:auto}
.notif-list .mi{align-items:flex-start}
.notif-list .mi .t{display:block;font-size:13px;color:var(--ink)}
.notif-list .mi .s{display:block;font-size:12px;color:var(--muted)}
.notif-list .mi .ico{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;flex:none}
.notif-list .mi .ico svg{width:15px;height:15px}
.notif-list .mi .ico.amber{background:var(--warning-soft);color:var(--warning-ink)}
.notif-list .mi .ico.red{background:var(--danger-soft);color:var(--danger-ink)}
.notif-empty{padding:18px 10px;text-align:center;color:var(--muted);font-size:13px}

.container{padding:26px 28px 40px;width:100%}
.form-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.form-actions{margin-top:16px}

/* ---------- 12. Auth ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px;background:radial-gradient(1200px 600px at 10% -10%,var(--primary-soft) 0%,transparent 60%),radial-gradient(900px 500px at 110% 110%,var(--info-soft) 0%,transparent 60%),var(--bg)}
.auth-card{width:100%;max-width:410px;background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:30px}
.auth-card label{margin-top:14px}
.auth-logo{display:block;height:92px;margin:0 auto 10px}
.auth-head{text-align:center;margin-bottom:16px}
.auth-head h1{font-size:19px;margin:0;font-weight:700;letter-spacing:-.01em}
.auth-head .sub{margin:4px 0 0}

/* ---------- 13. Responsive ---------- */
@media (max-width:1280px){ .summary{grid-template-columns:repeat(3,minmax(0,1fr))} }
@media (max-width:1100px){ .charts{grid-template-columns:1fr} }
@media (max-width:980px){
  .sidebar{position:fixed;left:0;top:0;z-index:20;transform:translateX(-100%);transition:transform .2s ease;box-shadow:0 0 40px rgba(0,0,0,.3);width:var(--sidebar-w)!important}
  body.nav-open .sidebar{transform:none}
  body.nav-open .backdrop{display:block}
  body.sb-collapsed .brand .brand-text,body.sb-collapsed .nav .section,body.sb-collapsed .nav a .label,body.sb-collapsed .collapse-btn .label{display:block}
  body.sb-collapsed .nav a{justify-content:flex-start;padding:0 12px}
  body.sb-collapsed .nav .count{position:static;min-width:20px;height:20px;font-size:11px}
  body.sb-collapsed .brand{padding:18px 20px 16px;justify-content:flex-start}
  .sidebar-foot .collapse-btn{display:none}
  .menu-btn{display:grid}
  .topbar{padding:0 16px}
  .topbar .date{display:none}
  .avatar-btn .nm{display:none}
  .container{padding:18px 16px 32px}
  .form-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:600px){
  .topbar .page-sub{display:none}
  .cards,.summary{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .stat{padding:14px;gap:10px}
  .stat .ico{width:38px;height:38px}
  .stat .n{font-size:22px}
  .panel h3{padding:14px 16px}
  .panel .body{padding:14px 16px 16px}
  .toolbar,.pager{padding:12px 16px}
  .search{width:100%}
  .form-row{grid-template-columns:1fr}
  .form-actions .btn{width:100%}
  .auth-card{padding:22px}
  #toasts{left:12px;right:12px;bottom:12px;max-width:none}
}