/* =====================================================================
   AnshuEDU — Design System (Phase 1)
   Tokens per spec: Inter · #2563EB primary · #7C3AED secondary ·
   #F97316 accent · dark #0F172A sidebar · 8px grid · 16px radius
   ===================================================================== */

:root{
  --primary:#2563EB;   --primary-600:#1D4ED8; --primary-50:#EFF6FF;
  --secondary:#7C3AED; --secondary-50:#F5F3FF;
  --accent:#F97316;    --accent-50:#FFF7ED;
  --success:#22C55E;   --success-50:#F0FDF4;
  --warning:#F59E0B;   --warning-50:#FFFBEB;
  --danger:#EF4444;    --danger-50:#FEF2F2;
  --bg:#F8FAFC; --card:#FFFFFF; --sidebar:#0F172A; --sidebar-2:#1E293B;
  --text:#0F172A; --text-2:#64748B; --border:#E2E8F0;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:20px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow-md:0 4px 16px rgba(15,23,42,.08);
  --shadow-lg:0 12px 32px rgba(15,23,42,.12);
  --sidebar-w:264px; --sidebar-w-min:78px; --topbar-h:66px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:var(--bg); color:var(--text); font-size:14.5px; margin:0;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none}
h1,h2,h3,h4,h5{font-weight:700; letter-spacing:-.01em}

/* ================= LAYOUT SHELL ================= */
.ae-layout{display:flex; min-height:100vh}
.ae-main{flex:1; min-width:0; margin-left:var(--sidebar-w); transition:margin .25s ease}
body.ae-collapsed .ae-main{margin-left:var(--sidebar-w-min)}
.ae-content{padding:24px; max-width:1600px}

/* ================= SIDEBAR ================= */
.ae-sidebar{
  width:var(--sidebar-w); background:linear-gradient(180deg,var(--sidebar) 0%,#0B1222 100%);
  color:#CBD5E1; position:fixed; inset:0 auto 0 0; z-index:1040;
  display:flex; flex-direction:column; transition:width .25s ease, transform .25s ease;
}
body.ae-collapsed .ae-sidebar{width:var(--sidebar-w-min)}
.ae-brand{
  display:flex; align-items:center; gap:12px; padding:18px 20px 14px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.ae-logo{
  width:40px; height:40px; border-radius:12px; flex:0 0 40px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:grid; place-items:center; color:#fff; font-size:18px;
  box-shadow:0 6px 16px rgba(37,99,235,.45);
}
.ae-brand-name{font-weight:800; font-size:18px; color:#fff; line-height:1}
.ae-brand-name span{color:var(--accent)}
.ae-brand-sub{font-size:11px; color:#7C8DB0; margin-top:3px}
body.ae-collapsed .ae-brand-txt{display:none}

/* school card in sidebar */
.ae-school{
  margin:14px 14px 4px; padding:10px 12px; border-radius:12px;
  background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.07);
  display:flex; align-items:center; gap:10px;
}
.ae-school img{width:34px;height:34px;border-radius:9px;object-fit:cover}
.ae-school .nm{font-size:12.5px; font-weight:600; color:#E2E8F0; line-height:1.25}
.ae-school .rl{font-size:10.5px; color:#7C8DB0; text-transform:uppercase; letter-spacing:.06em}
body.ae-collapsed .ae-school{display:none}

.ae-nav{flex:1; overflow-y:auto; padding:10px 12px 20px; scrollbar-width:thin; scrollbar-color:#334155 transparent}
.ae-nav::-webkit-scrollbar{width:5px}
.ae-nav::-webkit-scrollbar-thumb{background:#334155;border-radius:4px}
.ae-label{
  font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:#64748B;
  padding:16px 12px 6px; font-weight:700;
}
body.ae-collapsed .ae-label{display:none}
.ae-link{
  display:flex; align-items:center; gap:12px; color:#A9B7D0; font-weight:500;
  padding:10px 12px; border-radius:10px; margin-bottom:2px; position:relative;
  font-size:14px; transition:.16s;
}
.ae-link i{width:20px; text-align:center; font-size:15px; flex:0 0 20px}
.ae-link:hover{background:rgba(255,255,255,.06); color:#fff}
.ae-link.active{
  color:#fff; background:linear-gradient(90deg,rgba(37,99,235,.28),rgba(37,99,235,.05));
}
.ae-link.active::before{
  content:''; position:absolute; left:-12px; top:8px; bottom:8px; width:3.5px;
  border-radius:0 4px 4px 0; background:linear-gradient(180deg,var(--primary),var(--secondary));
}
.ae-link .bdg{
  margin-left:auto; background:var(--accent); color:#fff; font-size:10.5px; font-weight:700;
  border-radius:20px; padding:2px 7px;
}
body.ae-collapsed .ae-link span,
body.ae-collapsed .ae-link .bdg{display:none}
body.ae-collapsed .ae-link{justify-content:center}

/* ================= TOPBAR ================= */
.ae-topbar{
  height:var(--topbar-h); background:var(--card); border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:14px; padding:0 24px; position:sticky; top:0; z-index:1020;
}
.ae-burger{
  border:1px solid var(--border); background:#fff; width:38px;height:38px;border-radius:10px;
  color:var(--text-2); display:grid; place-items:center; cursor:pointer;
}
.ae-burger:hover{color:var(--primary); border-color:var(--primary)}
.ae-search{
  flex:0 1 380px; display:flex; align-items:center; gap:10px; background:var(--bg);
  border:1px solid var(--border); border-radius:12px; padding:9px 14px; color:var(--text-2);
}
.ae-search input{border:0; outline:0; background:transparent; flex:1; font-size:13.5px; color:var(--text)}
.ae-search kbd{
  background:#fff; border:1px solid var(--border); border-radius:6px; font-size:10.5px;
  padding:2px 6px; color:var(--text-2); font-family:inherit;
}
.ae-topact{display:flex; align-items:center; gap:8px; margin-left:auto}
.ae-icnbtn{
  width:40px;height:40px;border-radius:12px; display:grid; place-items:center; position:relative;
  color:var(--text-2); border:1px solid transparent; background:transparent; cursor:pointer; font-size:16px;
}
.ae-icnbtn:hover{background:var(--bg); color:var(--primary)}
.ae-icnbtn .dot{
  position:absolute; top:7px; right:7px; min-width:16px; height:16px; border-radius:9px;
  background:var(--danger); color:#fff; font-size:9.5px; font-weight:700;
  display:grid; place-items:center; padding:0 4px; border:2px solid #fff;
}
.ae-user{
  display:flex; align-items:center; gap:10px; padding:5px 6px 5px 5px; border-radius:12px; cursor:pointer;
  border:1px solid transparent;
}
.ae-user:hover{background:var(--bg)}
.ae-user img{width:38px;height:38px;border-radius:11px}
.ae-user .nm{font-size:13.5px; font-weight:600; line-height:1.15; color:var(--text)}
.ae-user .rl{font-size:11px; color:var(--text-2)}

/* dropdown polish */
.dropdown-menu{
  border:1px solid var(--border); border-radius:14px; box-shadow:var(--shadow-lg);
  padding:8px; min-width:230px;
}
.dropdown-item{border-radius:9px; padding:9px 12px; font-size:13.5px; color:var(--text)}
.dropdown-item i{width:18px; color:var(--text-2); margin-right:8px}
.dropdown-item:hover{background:var(--primary-50); color:var(--primary)}
.dropdown-item:hover i{color:var(--primary)}
.ae-drop-head{font-size:12px; font-weight:700; color:var(--text-2); padding:8px 12px 4px; text-transform:uppercase; letter-spacing:.05em}

/* notification rows */
.ae-notif{display:flex; gap:11px; padding:10px 12px; border-radius:10px}
.ae-notif:hover{background:var(--bg)}
.ae-notif .ic{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;font-size:14px;flex:0 0 36px}
.ae-notif .t{font-size:13px;font-weight:600;color:var(--text);line-height:1.3}
.ae-notif .s{font-size:12px;color:var(--text-2)}

/* ================= PAGE HEAD ================= */
.ae-pagehead{display:flex; align-items:flex-end; justify-content:space-between; gap:16px; margin-bottom:22px; flex-wrap:wrap}
.ae-pagehead h1{font-size:22px; margin:0 0 4px}
.ae-crumb{font-size:12.5px; color:var(--text-2)}
.ae-crumb a{color:var(--text-2)}
.ae-crumb a:hover{color:var(--primary)}
.ae-crumb i{font-size:10px; margin:0 6px}

/* ================= CARDS ================= */
.ae-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--r-lg);
  box-shadow:var(--shadow-sm);
}
.ae-card .hd{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:16px 20px; border-bottom:1px solid var(--border);
}
.ae-card .hd h3{font-size:15px; margin:0}
.ae-card .bd{padding:20px}
.ae-card.hover:hover{box-shadow:var(--shadow-md); transform:translateY(-2px); transition:.2s}

/* KPI */
.ae-kpi{display:flex; gap:14px; align-items:flex-start; padding:18px 20px}
.ae-kpi .ic{
  width:46px;height:46px;border-radius:13px; display:grid; place-items:center; font-size:17px; flex:0 0 46px;
}
.ae-kpi .lb{font-size:12.5px; color:var(--text-2); font-weight:500}
.ae-kpi .vl{font-size:23px; font-weight:800; letter-spacing:-.02em; line-height:1.15; margin:2px 0}
.ae-kpi .dl{font-size:11.5px; font-weight:600; border-radius:20px; padding:2px 8px; display:inline-flex; align-items:center; gap:4px}
.dl.up{background:var(--success-50); color:#15803D}
.dl.down{background:var(--danger-50); color:#B91C1C}
.dl.flat{background:var(--bg); color:var(--text-2)}
.ic.b{background:var(--primary-50); color:var(--primary)}
.ic.p{background:var(--secondary-50); color:var(--secondary)}
.ic.o{background:var(--accent-50); color:var(--accent)}
.ic.g{background:var(--success-50); color:#16A34A}
.ic.y{background:var(--warning-50); color:#B45309}
.ic.r{background:var(--danger-50); color:var(--danger)}

/* image banner card */
.ae-banner{
  border-radius:var(--r-xl); overflow:hidden; position:relative; color:#fff; min-height:190px;
  display:flex; align-items:flex-end; box-shadow:var(--shadow-md);
}
.ae-banner img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.ae-banner .ov{
  position:absolute; inset:0;
  background:linear-gradient(100deg,rgba(15,23,42,.88) 20%,rgba(37,99,235,.55) 65%,rgba(124,58,237,.35));
}
.ae-banner .in{position:relative; padding:26px 28px; width:100%}
.ae-banner h2{font-size:21px; margin:0 0 6px; color:#fff}
.ae-banner p{margin:0; color:#DBEAFE; font-size:13.5px; max-width:560px}

/* ================= TABLES ================= */
.ae-table{width:100%; border-collapse:separate; border-spacing:0}
.ae-table th{
  font-size:11.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--text-2);
  font-weight:700; padding:12px 16px; background:var(--bg); border-bottom:1px solid var(--border);
  text-align:left; white-space:nowrap;
}
.ae-table td{padding:13px 16px; border-bottom:1px solid var(--border); font-size:13.5px; vertical-align:middle}
.ae-table tr:last-child td{border-bottom:0}
.ae-table tbody tr:hover{background:#F1F5F9}
.ae-tuser{display:flex; align-items:center; gap:11px}
.ae-tuser img{width:36px;height:36px;border-radius:10px}
.ae-tuser .n{font-weight:600; font-size:13.5px; color:var(--text); line-height:1.2}
.ae-tuser .s{font-size:12px; color:var(--text-2)}

/* badges */
.ae-badge{font-size:11.5px; font-weight:600; border-radius:20px; padding:4px 10px; display:inline-flex; align-items:center; gap:5px}
.ae-badge i{font-size:8px}
.bg-suc{background:var(--success-50); color:#15803D}
.bg-warn{background:var(--warning-50); color:#B45309}
.bg-dang{background:var(--danger-50); color:#B91C1C}
.bg-info{background:var(--primary-50); color:var(--primary-600)}
.bg-neu{background:var(--bg); color:var(--text-2)}
.bg-pur{background:var(--secondary-50); color:var(--secondary)}

/* buttons */
.btn-ae{
  background:linear-gradient(135deg,var(--primary),var(--primary-600)); border:0; color:#fff;
  font-weight:600; border-radius:11px; padding:10px 18px; font-size:13.5px;
  box-shadow:0 6px 14px rgba(37,99,235,.30);
}
.btn-ae:hover{color:#fff; transform:translateY(-1px); box-shadow:0 8px 18px rgba(37,99,235,.38)}
.btn-ae-soft{background:var(--primary-50); color:var(--primary); border:0; font-weight:600; border-radius:11px; padding:10px 18px; font-size:13.5px}
.btn-ae-soft:hover{background:var(--primary); color:#fff}
.btn-ae-line{background:#fff; color:var(--text); border:1px solid var(--border); font-weight:600; border-radius:11px; padding:10px 18px; font-size:13.5px}
.btn-ae-line:hover{border-color:var(--primary); color:var(--primary)}

/* quick action tiles */
.ae-qa{display:flex; flex-direction:column; align-items:center; gap:9px; padding:18px 10px; border-radius:14px; border:1px dashed var(--border); color:var(--text); font-weight:600; font-size:12.5px; text-align:center; transition:.16s}
.ae-qa i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:16px}
.ae-qa:hover{border-color:var(--primary); background:var(--primary-50); color:var(--primary); transform:translateY(-2px)}

/* activity timeline */
.ae-tl{position:relative; padding-left:22px}
.ae-tl::before{content:''; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:var(--border); border-radius:2px}
.ae-tl .it{position:relative; padding:0 0 18px}
.ae-tl .it:last-child{padding-bottom:0}
.ae-tl .it::before{
  content:''; position:absolute; left:-21px; top:4px; width:12px; height:12px; border-radius:50%;
  background:#fff; border:3px solid var(--primary);
}
.ae-tl .t{font-size:13px; font-weight:600}
.ae-tl .s{font-size:12px; color:var(--text-2)}

/* progress */
.ae-prog{height:8px; background:var(--bg); border-radius:8px; overflow:hidden}
.ae-prog>span{display:block; height:100%; border-radius:8px; background:linear-gradient(90deg,var(--primary),var(--secondary))}

/* empty state */
.ae-empty{text-align:center; padding:56px 24px; color:var(--text-2)}
.ae-empty img{width:200px; max-width:70%; border-radius:16px; margin-bottom:18px; opacity:.95}
.ae-empty h3{color:var(--text); font-size:17px}

/* flash */
.ae-flash{border-radius:12px; font-size:13.5px; padding:12px 16px; display:flex; gap:10px; align-items:center}

/* ================= AUTH SCREENS ================= */
.auth-body{min-height:100vh; display:flex; background:var(--bg)}
.auth-side{
  flex:1.05; position:relative; overflow:hidden; display:none; color:#fff;
}
@media(min-width:992px){ .auth-side{display:flex; flex-direction:column; justify-content:flex-end} }
.auth-side img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover}
.auth-side .ov{position:absolute; inset:0; background:linear-gradient(160deg,rgba(15,23,42,.92) 8%,rgba(37,99,235,.68) 60%,rgba(124,58,237,.55))}
.auth-side .in{position:relative; padding:48px 52px}
.auth-side h2{font-size:30px; line-height:1.25; color:#fff; margin:14px 0 12px; max-width:480px}
.auth-side p{color:#DBEAFE; max-width:440px; font-size:14.5px}
.auth-chip{display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.22); backdrop-filter:blur(6px); border-radius:30px; padding:7px 14px; font-size:12.5px; font-weight:600}
.auth-stats{display:flex; gap:26px; margin-top:26px; flex-wrap:wrap}
.auth-stats .v{font-size:21px; font-weight:800}
.auth-stats .l{font-size:12px; color:#BFDBFE}
.auth-form-wrap{flex:1; display:flex; align-items:center; justify-content:center; padding:32px 20px}
.auth-card{width:100%; max-width:470px}
.auth-card .logo-row{display:flex; align-items:center; gap:12px; margin-bottom:26px}
.auth-card h1{font-size:24px; margin:0 0 6px}
.auth-card .sub{color:var(--text-2); font-size:14px; margin-bottom:24px}
.role-tabs{display:grid; grid-template-columns:repeat(5,1fr); gap:8px; margin-bottom:24px}
.role-tab{
  border:1.5px solid var(--border); border-radius:12px; background:#fff; padding:11px 4px 9px;
  text-align:center; cursor:pointer; color:var(--text-2); transition:.15s;
}
.role-tab i{display:block; font-size:16px; margin-bottom:5px}
.role-tab .t{font-size:11px; font-weight:600}
.role-tab:hover{border-color:var(--primary); color:var(--primary)}
.role-tab.active{border-color:var(--primary); background:var(--primary-50); color:var(--primary); box-shadow:0 4px 12px rgba(37,99,235,.16)}
.ae-input label{font-size:12.5px; font-weight:600; margin-bottom:6px; display:block}
.ae-input .grp{position:relative}
.ae-input .grp>i{position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--text-2); font-size:14px}
.ae-input input{
  width:100%; border:1.5px solid var(--border); border-radius:12px; padding:12px 14px 12px 42px;
  font-size:14px; outline:0; transition:.15s; background:#fff; font-family:inherit;
}
.ae-input input:focus{border-color:var(--primary); box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.ae-eye{position:absolute; right:6px; top:50%; transform:translateY(-50%); border:0; background:none; color:var(--text-2); width:36px; height:36px; border-radius:9px; cursor:pointer}
.ae-eye:hover{color:var(--primary)}
.auth-foot{margin-top:26px; text-align:center; font-size:12.5px; color:var(--text-2)}

/* super admin dark auth */
.auth-dark{background:#0B1222}
.auth-dark .auth-card-x{
  background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.09); backdrop-filter:blur(10px);
  border-radius:20px; padding:38px 36px; box-shadow:0 24px 64px rgba(0,0,0,.5);
}
.auth-dark h1,.auth-dark label{color:#F1F5F9}
.auth-dark .sub{color:#94A3B8}
.auth-dark .ae-input input{background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.14); color:#F1F5F9}
.auth-dark .ae-input input:focus{border-color:var(--primary)}
.auth-dark .auth-foot{color:#64748B}

/* ================= RESPONSIVE ================= */
@media(max-width:1200px){
  .ae-content{padding:20px}
}
@media(max-width:992px){
  .ae-sidebar{transform:translateX(-100%); width:var(--sidebar-w)!important}
  body.ae-mopen .ae-sidebar{transform:translateX(0)}
  .ae-main{margin-left:0!important}
  .ae-overlay{position:fixed; inset:0; background:rgba(15,23,42,.5); z-index:1035; opacity:0; pointer-events:none; transition:.2s}
  body.ae-mopen .ae-overlay{opacity:1; pointer-events:auto}
  .ae-search{display:none}
  .ae-user .nfo{display:none}
}
@media(max-width:768px){
  .ae-content{padding:16px}
  .ae-kpi .vl{font-size:20px}
  .role-tabs{grid-template-columns:repeat(3,1fr)}
  .ae-card .bd{padding:16px}
  .table-scroll{overflow-x:auto}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none!important; animation:none!important}
}