:root{
  --ink:#12261f;
  --deep:#0e3b2e;
  --deep-2:#154a3a;
  --emerald:#1f6f52;
  --emerald-l:#e9f3ee;
  --gold:#b3862c;
  --gold-l:#f4e8cc;
  --paper:#faf8f2;
  --paper-2:#f2efe4;
  --card:#ffffff;
  --line:#e2ddca;
  --danger:#a4342a;
  --danger-l:#fbeae8;
  --muted:#6c7a72;
  --shadow: 0 8px 24px rgba(15,40,30,.08);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Tajawal',sans-serif;
  min-height:100vh;
}
h1,h2,h3,.display{font-family:'Amiri',serif;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
a{text-decoration:none;}

/* ---------- login ---------- */
.login-body-bg{
  background:
    radial-gradient(circle at 15% 20%, rgba(179,134,44,.14), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(31,111,82,.16), transparent 45%),
    var(--deep);
}
#loginScreen{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.login-card{
  width:100%;max-width:420px;
  background:var(--paper);
  border-radius:18px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
  overflow:hidden;
}
.login-top{
  background:linear-gradient(160deg,var(--deep) 0%, var(--deep-2) 60%, var(--emerald) 130%);
  color:#fff8e8;
  padding:34px 28px 26px;
  text-align:center;
}
.login-top .badge{
  width:64px;height:64px;margin:0 auto 12px;
  border:2px solid var(--gold);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-family:'Amiri',serif;font-size:30px;color:var(--gold-l);
  background:rgba(255,255,255,.05);
}
.login-top .login-logo{
  width:64px;height:64px;margin:0 auto 12px;
  border:2px solid var(--gold);
  border-radius:50%;
  object-fit:cover;
  background:#fff;
  display:block;
}
.login-top h1{margin:0 0 4px;font-size:24px;font-weight:700;}
.login-top p{margin:0;font-size:13px;color:#cfe3d9;letter-spacing:.5px;}
.login-body{padding:26px 28px 30px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:700;}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  background:#fff;font-size:15px;color:var(--ink);outline:none;
  transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--emerald);box-shadow:0 0 0 3px var(--emerald-l);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:10px;border:none;font-weight:700;font-size:14.5px;
  transition:transform .12s ease, box-shadow .12s ease, background .15s;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(160deg,var(--emerald),var(--deep-2));color:#fff;box-shadow:0 6px 16px rgba(15,59,46,.28);}
.btn-primary:hover{box-shadow:0 8px 20px rgba(15,59,46,.38);}
.btn-gold{background:linear-gradient(160deg,var(--gold),#8f6a1f);color:#fff8e8;}
.btn-ghost{background:transparent;color:var(--deep);border:1px solid var(--line);}
.btn-ghost:hover{background:var(--paper-2);}
.btn-danger{background:var(--danger-l);color:var(--danger);border:1px solid #f0c9c4;}
.btn-sm{padding:7px 12px;font-size:13px;border-radius:8px;}
.btn-block{width:100%;}
.login-err{
  background:var(--danger-l);color:var(--danger);border:1px solid #f0c9c4;
  padding:9px 12px;border-radius:8px;font-size:13px;margin-bottom:14px;
}
.login-hint{margin-top:14px;font-size:12px;color:var(--muted);text-align:center;line-height:1.8;}

/* ---------- app shell ---------- */
#app-shell{display:grid;grid-template-columns:250px 1fr;}
.sidebar{
  background:linear-gradient(180deg,var(--deep) 0%, var(--deep-2) 100%);
  color:#eaf3ee;
  padding:22px 16px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 6px 20px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:16px;}
.brand .mark{
  width:38px;height:38px;border-radius:10px;border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;font-family:'Amiri',serif;font-size:18px;color:var(--gold-l);
  flex:none;
}
.brand .brand-logo{
  width:38px;height:38px;border-radius:10px;border:1.5px solid var(--gold);
  object-fit:cover;background:#fff;flex:none;
}
.brand .txt{line-height:1.35;}
.brand .txt .name{font-weight:700;font-size:14.5px;color:#fff;}
.brand .txt .yr{font-size:11.5px;color:#a9c7ba;}
.navgroup{margin-bottom:6px;}
.navlabel{font-size:11px;color:#8fb0a1;letter-spacing:1px;margin:16px 10px 6px;text-transform:uppercase;}
.navbtn{
  width:100%;display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;border:none;background:transparent;color:#dcece3;
  font-size:14.5px;font-weight:500;text-align:right;margin-bottom:3px;
}
.navbtn .ic{width:20px;text-align:center;font-size:15px;flex:none;}
.navbtn:hover{background:rgba(255,255,255,.06);}
.navbtn.active{background:rgba(179,134,44,.22);color:#fff;font-weight:700;box-shadow:inset 3px 0 0 var(--gold);}
.side-foot{margin-top:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);}
.side-foot .who{font-size:12px;color:#a9c7ba;margin-bottom:10px;line-height:1.7;}
.side-foot .who b{color:#fff;display:block;font-size:13px;}

.main{padding:26px 30px 60px;max-width:1400px;width:100%;}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px;}
.topbar h2{margin:0;font-size:22px;color:var(--deep);}
.topbar .sub{font-size:13px;color:var(--muted);margin-top:3px;}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;}

/* ---------- mobile top bar + off-canvas sidebar ---------- */
.mobile-topbar{
  display:none;align-items:center;gap:12px;
  background:var(--deep);color:#fff;padding:12px 16px;
  position:sticky;top:0;z-index:30;
}
.mobile-topbar .hamburger{background:transparent;border:none;color:#fff;font-size:22px;padding:4px 10px;border-radius:8px;line-height:1;}
.mobile-topbar .hamburger:hover{background:rgba(255,255,255,.12);}
.mobile-topbar .mobile-topbar-title{font-weight:700;font-size:15px;}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(10,20,16,.5);z-index:35;}
.sidebar-overlay.show{display:block;}

@media (max-width:880px){
  .mobile-topbar{display:flex;}
  #app-shell{grid-template-columns:1fr;}
  .sidebar{
    position:fixed;top:0;right:0;height:100vh;width:270px;max-width:82vw;
    transform:translateX(100%);
    transition:transform .25s ease;
    z-index:40;
    box-shadow:-12px 0 30px rgba(0,0,0,.3);
  }
  .sidebar.open{transform:translateX(0);}
  .main{padding:16px 14px 40px;}
  .topbar{margin-bottom:16px;}
  .card{padding:16px;}
}
@media (max-width:480px){
  .stats{grid-template-columns:1fr 1fr;}
  .topbar h2{font-size:19px;}
}

.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:20px;margin-bottom:18px;}
.card h3{margin:0 0 14px;font-size:17px;color:var(--deep);}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;}
@media (max-width:760px){.grid2,.grid3{grid-template-columns:1fr;}}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px;}
@media (max-width:900px){.stats{grid-template-columns:repeat(2,1fr);}}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;
  position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.stat .num{font-family:'Amiri',serif;font-size:32px;color:var(--deep);font-weight:700;}
.stat .lbl{font-size:13px;color:var(--muted);margin-top:2px;}
.stat .ic{position:absolute;left:14px;top:14px;font-size:26px;opacity:.18;}

/* ---------- table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;}
table.grid{border-collapse:collapse;width:100%;min-width:1400px;font-size:13px;}
table.grid th,table.grid td{border:1px solid var(--line);padding:7px 8px;text-align:center;white-space:nowrap;}
table.grid thead th{background:var(--deep);color:#fff;position:sticky;top:0;z-index:2;font-weight:700;font-size:12.5px;}
table.grid thead tr.grp th{background:var(--deep-2);font-size:12px;}
table.grid tbody tr:nth-child(even){background:#faf9f3;}
table.grid tbody tr:hover{background:var(--emerald-l);}
table.grid td.name-cell{text-align:right;font-weight:700;min-width:160px;position:sticky;right:0;background:inherit;}
table.grid thead th.name-cell{position:sticky;right:0;z-index:3;}
table.grid input.cellnum{
  width:52px;padding:4px;border:1px solid transparent;border-radius:6px;text-align:center;background:transparent;font-size:13px;
}
table.grid input.cellnum:hover{border-color:var(--line);}
table.grid input.cellnum:focus{border-color:var(--emerald);background:#fff;outline:none;box-shadow:0 0 0 2px var(--emerald-l);}
table.grid td.calc{background:var(--gold-l);font-weight:700;color:#6b4e14;}
table.grid td.fail{background:var(--danger-l);color:var(--danger);font-weight:700;}
table.grid td.pass{color:var(--emerald);font-weight:700;}
.rowActions{display:flex;gap:4px;justify-content:center;}
.iconbtn{border:none;background:transparent;border-radius:7px;padding:5px 7px;font-size:14px;color:var(--muted);}
.iconbtn:hover{background:var(--paper-2);color:var(--ink);}
.iconbtn.del:hover{background:var(--danger-l);color:var(--danger);}

.searchbar{
  display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:var(--card);
  border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:14px;box-shadow:var(--shadow);
}
.searchbar input,.searchbar select{padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;min-width:140px;}
.searchbar input:focus,.searchbar select:focus{outline:none;border-color:var(--emerald);}
.pill{background:var(--emerald-l);color:var(--deep);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:700;}

.empty{text-align:center;padding:50px 20px;color:var(--muted);}
.empty .ic{font-size:40px;margin-bottom:10px;opacity:.5;}

.flash{border-radius:10px;padding:10px 16px;margin-bottom:16px;font-size:13.5px;font-weight:700;}
.flash-ok{background:var(--emerald-l);color:var(--deep);border:1px solid #cfe4d9;}
.flash-err{background:var(--danger-l);color:var(--danger);border:1px solid #f0c9c4;}

fieldset{border:1px dashed var(--line);border-radius:10px;margin:0 0 16px;padding:14px;}
fieldset legend{padding:0 8px;font-weight:700;color:var(--deep);font-size:13.5px;}

/* searchable dropdown (used for certificate student search) */
.search-results{
  position:absolute;top:100%;right:0;left:0;margin-top:4px;
  background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);
  max-height:230px;overflow-y:auto;z-index:20;display:none;
}
.search-results.show{display:block;}
.search-results .item{padding:9px 12px;cursor:pointer;font-size:14px;border-bottom:1px solid var(--paper-2);}
.search-results .item:last-child{border-bottom:none;}
.search-results .item:hover,.search-results .item.active{background:var(--emerald-l);}
.search-results .empty-msg{padding:10px 12px;color:var(--muted);font-size:13px;}

/* simple toggle switch for a checkbox */
.switch{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;color:var(--ink);cursor:pointer;}
.switch input{width:18px;height:18px;accent-color:var(--emerald);}

/* certificate */
.print-plain-bg{background:var(--paper);}
.certificate{
  background:#fffdf6;
  border:10px double var(--gold);
  border-radius:10px;
  padding:34px 30px;
  max-width:640px;margin:0 auto;
  position:relative;
  text-align:center;
}
.certificate::before{content:"";position:absolute;inset:8px;border:1.5px solid var(--emerald);border-radius:6px;pointer-events:none;}
.certificate .cert-school{font-size:14px;color:var(--muted);letter-spacing:.5px;}
.certificate .cert-title{font-family:'Amiri',serif;font-size:30px;color:var(--deep);margin:8px 0 2px;font-weight:700;}
.certificate .cert-sub{font-size:13px;color:var(--gold);font-weight:700;margin-bottom:18px;}
.certificate .cert-name{font-family:'Amiri',serif;font-size:24px;color:var(--ink);margin:14px 0;padding-bottom:8px;border-bottom:2px solid var(--gold-l);display:inline-block;min-width:260px;}
.certificate table{width:100%;border-collapse:collapse;margin-top:18px;font-size:13.5px;}
.certificate table th,.certificate table td{border:1px solid var(--line);padding:9px;text-align:center;}
.certificate table th{background:var(--emerald-l);color:var(--deep);}
.certificate .cert-total{margin-top:16px;font-size:16px;font-weight:700;color:var(--deep);}
.certificate .cert-sign{display:flex;justify-content:space-between;margin-top:34px;font-size:12.5px;color:var(--muted);}
.certificate .cert-sign div{text-align:center;}
.certificate .cert-sign b{display:block;color:var(--ink);margin-top:22px;border-top:1px solid var(--line);padding-top:6px;min-width:120px;}
.certificate .print-logo-corner{top:14px;left:14px;max-height:60px;max-width:110px;}

.hintbox{background:var(--emerald-l);border:1px solid #cfe4d9;border-radius:10px;padding:12px 14px;font-size:12.8px;color:#2c5744;line-height:1.9;}
.tag{display:inline-block;background:var(--gold-l);color:#6b4e14;border-radius:6px;padding:2px 8px;font-size:11.5px;margin:2px;}
.msg-inline{font-size:12px;color:var(--muted);margin-top:4px;}

/* plain print pages (certificate / sheets) */
.p-head{position:relative;text-align:center;margin-bottom:14px;}
.p-head h2{margin:0;color:#000;}
.p-head .meta{font-size:12px;color:#333;margin-top:4px;}
.print-plain-bg table{width:100%;border-collapse:collapse;font-size:11px;}
.print-plain-bg table th,.print-plain-bg table td{border:1px solid #999;padding:4px;text-align:center;}
.p-foot{display:flex;justify-content:space-between;margin-top:26px;font-size:11.5px;}

/* school logo pinned to the left margin on every printable sheet */
.print-logo-corner{position:absolute;top:0;left:0;max-height:72px;max-width:130px;object-fit:contain;}

@media print{
  .no-print{display:none !important;}
}

::-webkit-scrollbar{height:10px;width:10px;}
::-webkit-scrollbar-thumb{background:#cfc9ae;border-radius:10px;}
::-webkit-scrollbar-track{background:transparent;}