:root{
  --navy:#1e2a4a; --navy-dark:#16213a; --teal:#2bb3a3; --teal-dark:#1d8f82;
  --red:#e0473e; --green:#3aa655; --bg:#eef1f4; --card:#ffffff; --text:#2b3245;
  --muted:#7a8296; --border:#e2e6ec;
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:inherit;}
button{font-family:inherit;cursor:pointer;}

/* Login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--navy) 0%, var(--navy-dark) 60%, #0f1830 100%);}
.login-card{background:var(--card);width:360px;padding:36px 32px;border-radius:12px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);text-align:center;}
.login-card .badge{width:64px;height:64px;border-radius:50%;background:var(--navy);
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#fff;font-size:26px;font-weight:700;}
.login-card h1{font-size:19px;margin:0 0 2px;color:var(--navy);}
.login-card p{font-size:12px;color:var(--muted);margin:0 0 22px;}
.login-card label{display:block;text-align:left;font-size:12px;color:var(--muted);margin:14px 0 5px;font-weight:600;}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:7px;font-size:14px;}
.login-btn{margin-top:22px;width:100%;padding:11px;border:none;border-radius:7px;background:var(--teal);color:#fff;font-weight:600;font-size:14px;}
.login-btn:hover{background:var(--teal-dark);}
.login-error{color:var(--red);font-size:12px;margin-top:10px;min-height:14px;}

/* Shell */
.topbar{height:56px;background:var(--navy);display:flex;align-items:center;padding:0 20px;position:fixed;top:0;left:0;right:0;z-index:20;}
.topbar .brand{color:#fff;font-weight:700;letter-spacing:1px;font-size:18px;}
.topbar .brand span{color:var(--teal);}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px;color:#cfd6e6;font-size:13px;}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;}
.logout-link{color:#cfd6e6;text-decoration:none;font-size:12px;border:1px solid #3a4568;padding:5px 10px;border-radius:6px;}
.logout-link:hover{background:#2a3559;}

.sidebar{position:fixed;top:56px;bottom:0;left:0;width:230px;background:var(--navy-dark);padding-top:10px;overflow-y:auto;z-index:15;}
.nav-item{color:#cfd6e6;padding:12px 22px;font-size:13.5px;display:block;text-decoration:none;}
.nav-item:hover{background:#1f2c4d;color:#fff;}
.nav-item.active{background:var(--teal);color:#fff;font-weight:600;}
.nav-group-title{color:#7a8296;font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:14px 22px 4px;}
.sub-item{display:block;padding:9px 22px 9px 44px;font-size:13px;color:#b6bfd6;text-decoration:none;}
.sub-item:hover{background:#1f2c4d;color:#fff;}
.sub-item.active{color:var(--teal);font-weight:700;background:#1f2c4d;}

.main{margin-left:230px;padding:76px 26px 40px;}

.page-title-bar{background:var(--card);border-radius:8px;padding:16px 20px;display:flex;align-items:center;gap:14px;box-shadow:0 1px 3px rgba(0,0,0,.05);margin-bottom:20px;}
.page-title-bar .icon-circle{width:42px;height:42px;border-radius:50%;background:#eafaf7;display:flex;align-items:center;justify-content:center;font-size:20px;}
.page-title-bar h2{margin:0;font-size:18px;color:var(--navy);}
.page-title-bar p{margin:2px 0 0;font-size:12px;color:var(--muted);}

.stat-row{display:flex;gap:18px;margin-bottom:20px;flex-wrap:wrap;}
.stat-card{flex:1;min-width:200px;background:var(--card);border-radius:8px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.05);}
.stat-card .num{font-size:26px;font-weight:700;color:var(--navy);}
.stat-card .num .arrow{color:var(--green);font-size:16px;}
.stat-card .label{font-size:13px;color:var(--muted);margin-top:6px;}

.panel-row{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-start;}
.panel{background:var(--card);border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.05);flex:1;min-width:340px;}
.panel-head{background:#f4f8fa;padding:12px 18px;font-weight:700;color:var(--navy);font-size:14.5px;border-bottom:1px solid var(--border);border-radius:8px 8px 0 0;}
.panel-body{padding:8px 18px;max-height:420px;overflow-y:auto;}
.pending-row{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);align-items:center;}
.pending-row:last-child{border-bottom:none;}
.date-chip{background:var(--teal);color:#fff;border-radius:5px;padding:5px 8px;text-align:center;font-size:11px;line-height:1.1;min-width:38px;}
.date-chip b{display:block;font-size:14px;}
.pending-info{flex:1;}
.pending-info .name{font-weight:700;font-size:13.5px;color:var(--navy);}
.pending-info .meta{font-size:12px;color:var(--muted);}
.tag{background:var(--red);color:#fff;font-size:11px;padding:4px 10px;border-radius:12px;font-weight:600;}

.course-item{margin:14px 0;}
.course-item .top{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.course-item .count{background:var(--green);color:#fff;border-radius:5px;padding:2px 10px;font-size:12px;}
.bar-bg{background:#e6eaf0;border-radius:6px;height:10px;overflow:hidden;}
.bar-fill{background:linear-gradient(90deg,var(--teal-dark),var(--teal));height:100%;border-radius:6px;}

.card{background:var(--card);border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.05);padding:22px;margin-bottom:20px;}
.card h3{margin:0 0 16px;color:var(--navy);font-size:16px;border-bottom:2px solid var(--teal);padding-bottom:10px;}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.form-grid.two{grid-template-columns:repeat(2,1fr);}
.field label{display:block;font-size:12px;font-weight:700;color:var(--navy);margin-bottom:5px;}
.field input,.field select{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:6px;font-size:13.5px;background:#fbfcfd;}
.field input:focus,.field select:focus{outline:none;border-color:var(--teal);background:#fff;}
.btn{border:none;border-radius:6px;padding:10px 18px;font-size:13.5px;font-weight:600;text-decoration:none;display:inline-block;}
.btn-primary{background:var(--teal);color:#fff;}
.btn-primary:hover{background:var(--teal-dark);}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--navy);}
.btn-outline:hover{background:#f4f6f9;}
.btn-danger{background:var(--red);color:#fff;}
.btn-green{background:var(--green);color:#fff;}
.btn-sm{padding:6px 10px;font-size:12px;border-radius:5px;}
.actions-row{margin-top:18px;display:flex;gap:10px;}

table.data-table{width:100%;border-collapse:collapse;font-size:13px;}
table.data-table th{background:#f4f8fa;color:var(--navy);text-align:left;padding:10px 12px;font-size:12px;text-transform:uppercase;border-bottom:2px solid var(--border);}
table.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);}
table.data-table tr:hover td{background:#fafcfd;}
.status-pill{padding:4px 10px;border-radius:12px;font-size:11px;font-weight:700;color:#fff;}
.status-pill.pending{background:var(--red);}
.status-pill.approved{background:var(--green);}
.table-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px;flex-wrap:wrap;}
.search-box{padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:13px;width:240px;}
.empty-msg{padding:26px;text-align:center;color:var(--muted);font-size:13px;}
.flash{padding:10px 14px;border-radius:6px;font-size:13px;margin-bottom:16px;}
.flash.success{background:#e4f7ec;color:var(--green);border:1px solid #bfe8cf;}
.flash.error{background:#fdeaea;color:var(--red);border:1px solid #f5c6c6;}

.subject-row{display:grid;grid-template-columns:70px 1.6fr 90px 60px 90px;gap:8px;align-items:center;margin-bottom:8px;}
.subject-row input[type=text],.subject-row input[type=number]{padding:7px 8px;font-size:12.5px;border:1px solid var(--border);border-radius:5px;width:100%;}
.subject-row.header{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;}
.icon-link{color:var(--red);font-size:16px;text-decoration:none;}

/* Marksheet certificate */
.ms-toolbar{display:flex;justify-content:flex-end;gap:10px;margin-bottom:14px;}
.certificate-wrap{background:#fff;padding:24px;}
.certificate{border:6px double #1c2f6b;padding:26px 40px;position:relative;background:#fff;font-family:Georgia,'Times New Roman',serif;color:#12224f;}
.certificate .corner{position:absolute;width:46px;height:46px;border-radius:50%;border:2px solid #1c2f6b;}
.certificate .c-tl{top:8px;left:8px;} .certificate .c-tr{top:8px;right:8px;}
.certificate .c-bl{bottom:8px;left:8px;} .certificate .c-br{bottom:8px;right:8px;}
.cert-gazette{text-align:center;font-size:10.5px;color:#4a5590;margin-bottom:6px;}
.cert-header{display:flex;align-items:center;justify-content:center;gap:18px;text-align:center;}
.cert-logo{width:64px;height:64px;border-radius:50%;border:2px solid #1c2f6b;display:flex;align-items:center;justify-content:center;font-size:10px;color:#1c2f6b;text-align:center;}
.cert-title-block .en{font-size:15px;font-weight:700;letter-spacing:1px;}
.cert-title-block .sub{font-size:11.5px;color:#4a5590;margin-top:2px;}
.cert-site{position:absolute;top:10px;right:60px;font-size:10px;color:#4a5590;}
.cert-slno{position:absolute;top:60px;left:60px;font-size:10.5px;}
.cert-marks-title{text-align:center;margin:14px 0 10px;}
.cert-marks-title .exam-en{font-size:14px;font-weight:700;text-decoration:underline;margin-top:2px;}
.cert-session{text-align:center;font-weight:700;font-size:12px;margin-bottom:8px;}
.cert-reg-table{width:100%;border-collapse:collapse;margin-bottom:10px;font-size:12px;}
.cert-reg-table td{border:1px solid #1c2f6b;padding:6px 10px;text-align:center;}
.cert-reg-table td.label{background:#eef1fb;font-weight:700;font-size:10.5px;}
.cert-info-row{font-size:13px;margin:6px 0;display:flex;}
.cert-info-row .lbl{width:220px;font-weight:700;}
.cert-subjects{width:100%;border-collapse:collapse;margin:14px 0;font-size:12px;}
.cert-subjects th,.cert-subjects td{border:1px solid #1c2f6b;padding:6px 8px;text-align:center;}
.cert-subjects th{background:#eef1fb;font-size:10.5px;}
.cert-subjects td.subj-name{text-align:left;font-weight:700;}
.cert-total-row td{font-weight:700;background:#f7f8fd;}
.cert-bottom-row{display:flex;justify-content:space-between;margin:16px 0 6px;font-size:13px;}
.cert-place-date{display:flex;justify-content:space-between;margin-top:22px;font-size:13px;}
.cert-signature{text-align:right;margin-top:34px;font-size:12px;}
.cert-signature .sig-line{font-style:italic;font-size:16px;margin-bottom:2px;}
.cert-barcode{margin-top:16px;display:flex;justify-content:center;gap:1px;}
.cert-barcode div{width:2px;background:#111;}
.cert-footnote{font-size:10px;color:#3a4590;margin-top:18px;line-height:1.5;border-top:1px dashed #9aa4d6;padding-top:8px;}
.cert-grade-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:10.5px;}
.cert-grade-table td{padding:3px 6px;}
.cert-grade-table td.g-letter{font-weight:700;width:20px;}
.cert-grade-table td.g-range{width:60px;}

@media print{
  body *{visibility:hidden;}
  #printArea, #printArea *{visibility:visible;}
  #printArea{position:absolute;top:0;left:0;width:100%;}
  .ms-toolbar{display:none;}
}