*{box-sizing:border-box}
:root{
  --bf-navy:#0b2854;
  --bf-navy-deep:#082042;
  --bf-blue:#1f63b5;
  --bf-blue-2:#2d7cd3;
  --bf-cyan:#15c4d7;
  --bf-bg:#edf3fb;
  --bf-panel:#ffffff;
  --bf-border:#d7e3f1;
  --bf-text:#18324a;
  --bf-muted:#6a7f93;
  --bf-success-bg:#eaf6ee;
  --bf-success-border:#add4ba;
  --bf-success-text:#1f5c31;
  --bf-error-bg:#fff0f0;
  --bf-error-border:#e5b4b4;
  --bf-error-text:#8a2323;
  --bf-shadow:0 24px 60px rgba(8,32,66,.12);
}
html,body{min-height:100%}
body{margin:0;background:var(--bf-bg);color:var(--bf-text);font-family:Arial,Helvetica,sans-serif;line-height:1.5}
a{color:var(--bf-blue);text-decoration:none}
a:hover{text-decoration:underline}
.login-body{
  background:
    radial-gradient(circle at top left, rgba(21,196,215,.22), transparent 24%),
    radial-gradient(circle at top right, rgba(45,124,211,.18), transparent 22%),
    linear-gradient(135deg, var(--bf-navy-deep) 0%, var(--bf-navy) 46%, #1b66bb 100%);
}
.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 18px}
.login-card{max-width:560px;width:100%;margin:0;background:rgba(255,255,255,.98);border:1px solid rgba(255,255,255,.35);border-radius:22px;padding:34px;box-shadow:var(--bf-shadow)}
.branded-login{backdrop-filter:blur(4px)}
.login-brand{display:flex;gap:18px;align-items:center;margin-bottom:20px}
.login-logo{width:108px;max-width:30%;height:auto;display:block;background:#fff;border-radius:14px;padding:10px;box-shadow:0 8px 26px rgba(8,32,66,.12)}
.login-brand-copy{flex:1}
.eyebrow{margin:0 0 4px;color:var(--bf-blue);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem}
.login-card h1,.admin-head h1{margin:0;color:var(--bf-navy);font-size:clamp(1.8rem,3vw,2.4rem);line-height:1.1}
.login-card p{margin:.45rem 0 0;color:var(--bf-muted)}
.login-form{margin-top:20px}
.notice{padding:12px 14px;border-radius:10px;margin:0 0 18px;background:var(--bf-success-bg);border:1px solid var(--bf-success-border);color:var(--bf-success-text)}
.notice.error{background:var(--bf-error-bg);border-color:var(--bf-error-border);color:var(--bf-error-text)}
label{display:block;font-weight:700;margin:0 0 6px}
input[type=text],input[type=password],input[type=email],input[type=date],input[type=time],input[type=datetime-local],input[type=number],select,textarea{
  width:100%;border:1px solid #b7c7d5;border-radius:10px;padding:11px 12px;font:inherit;background:#fff;color:var(--bf-text);min-height:46px;
  transition:border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--bf-blue-2);box-shadow:0 0 0 4px rgba(45,124,211,.16)
}
textarea{min-height:82px;resize:vertical}
.help{font-size:.88rem;color:var(--bf-muted);margin:5px 0 0}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.login-actions .btn,.login-actions button{flex:1 1 220px}
.btn,button{appearance:none;border:0;border-radius:999px;padding:11px 18px;min-height:46px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:transform .16s ease, box-shadow .16s ease, opacity .16s ease}
.btn:hover,button:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary,button.primary{background:linear-gradient(135deg,var(--bf-cyan),#17aee0);color:#062843;box-shadow:0 10px 24px rgba(23,174,224,.22)}
.btn-secondary{background:#edf3fb;color:var(--bf-navy);border:1px solid var(--bf-border)}
.btn-danger{background:#a93b3b;color:#fff;border-radius:10px}
.btn-link{background:transparent;color:var(--bf-blue);padding-left:0;padding-right:0}
.admin-body{background:linear-gradient(180deg,#eff5fb 0,#f7fafe 100%)}
.admin-shell{max-width:1220px;margin:0 auto;padding:26px 20px 60px}
.admin-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px;background:linear-gradient(135deg,var(--bf-navy-deep),var(--bf-navy) 58%, #135ba9 100%);color:#fff;border-radius:22px;padding:22px 24px;box-shadow:var(--bf-shadow)}
.admin-head-brand{display:flex;align-items:center;gap:18px}
.admin-head-logo{width:92px;height:auto;display:block;background:#fff;border-radius:14px;padding:8px;box-shadow:0 10px 22px rgba(0,0,0,.18)}
.admin-head p{margin:.35rem 0 0;color:rgba(255,255,255,.82)}
.admin-head .eyebrow{color:#8ee6f4}
.admin-head a{color:#fff}
.admin-head-links{white-space:nowrap;font-weight:700}
.panel{background:var(--bf-panel);border:1px solid var(--bf-border);border-radius:18px;padding:22px;margin:0 0 22px;box-shadow:0 10px 28px rgba(8,32,66,.05)}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.full{grid-column:1/-1}
.check-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center;padding-top:8px}
.check{display:flex;gap:8px;align-items:center;font-weight:600}
.check input{width:20px;height:20px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:900px}
th,td{text-align:left;padding:11px 10px;border-bottom:1px solid #e3eaf0;vertical-align:top}
th{font-size:.84rem;text-transform:uppercase;letter-spacing:.04em;color:#5f7284;background:#f8fafc}
.badge{display:inline-block;padding:4px 9px;border-radius:999px;font-size:.8rem;font-weight:700;background:#e7eef5}
.badge.open{background:#dcf3e4;color:#225e34}.badge.full{background:#fff0d4;color:#77531c}.badge.closed{background:#eee;color:#555}.badge.completed{background:#e8e8f5;color:#4d4d72}
.small{font-size:.88rem;color:#647586}
.danger-zone{border-color:#efcccc}
.status-row{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
@media(max-width:760px){
  .admin-shell{padding:18px 12px 40px}
  .admin-head{align-items:flex-start;flex-direction:column;padding:18px}
  .admin-head-brand{align-items:flex-start}
  .admin-head-logo{width:78px}
  .grid{grid-template-columns:1fr}
  .full{grid-column:auto}
  .panel{padding:16px}
  .actions .btn,.actions button{width:100%}
  .login-shell{padding:18px 12px}
  .login-card{padding:24px 20px}
  .login-brand{flex-direction:column;align-items:flex-start}
  .login-logo{width:118px;max-width:none}
  .check-row{flex-direction:column;align-items:flex-start}
}

/* Training-portal-style cohort dashboard */
.portal-layout{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr);background:#f3f7fc}
.portal-sidebar{background:linear-gradient(180deg,var(--bf-navy-deep) 0%,var(--bf-navy) 62%,#0f4f95 100%);color:#fff;padding:24px 16px;display:flex;flex-direction:column;gap:24px;min-width:0}
.portal-brand{display:flex;flex-direction:column;align-items:center;gap:10px;padding:8px 8px 20px;border-bottom:1px solid rgba(255,255,255,.14);color:#fff;text-align:center;text-transform:uppercase;letter-spacing:.14em;font-size:.72rem;font-weight:700}
.portal-brand:hover{text-decoration:none}
.portal-brand img{width:150px;max-width:100%;height:auto;background:#fff;border-radius:14px;padding:10px;box-shadow:0 12px 28px rgba(0,0,0,.22)}
.portal-nav{display:flex;flex-direction:column;gap:6px}
.portal-nav a,.portal-sidebar-footer a{display:flex;align-items:center;gap:12px;color:rgba(255,255,255,.82);padding:11px 12px;border-radius:10px;font-weight:700;font-size:.92rem}
.portal-nav a:hover,.portal-sidebar-footer a:hover{background:rgba(255,255,255,.09);color:#fff;text-decoration:none}
.portal-nav a.active{background:rgba(21,196,215,.18);color:#fff;border:1px solid rgba(142,230,244,.28)}
.nav-icon{width:24px;text-align:center;font-size:1rem;line-height:1}
.portal-sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.14)}
.portal-main{min-width:0;padding:28px 30px 64px}
.portal-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}
.portal-topbar h1{margin:0;color:var(--bf-navy);font-size:clamp(1.8rem,3vw,2.35rem);line-height:1.12}
.portal-topbar p{margin:.35rem 0 0;color:var(--bf-muted)}
.topbar-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.dashboard-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:0 0 22px}
.stat-card{background:#fff;border:1px solid var(--bf-border);border-radius:16px;padding:18px;min-width:0;box-shadow:0 8px 24px rgba(8,32,66,.05);position:relative;overflow:hidden}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--bf-blue-2)}
.stat-card:nth-child(2)::before{background:#26a86a}.stat-card:nth-child(3)::before{background:var(--bf-cyan)}.stat-card:nth-child(4)::before{background:#8b6cc8}
.stat-label{display:block;color:var(--bf-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.stat-card strong{display:block;color:var(--bf-navy);font-size:2rem;line-height:1.05;margin:.45rem 0 .3rem}
.stat-card strong.stat-date{font-size:1.15rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stat-note{display:block;color:#71869a;font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.section-heading h2{margin:0;color:var(--bf-navy);font-size:1.35rem}
.section-kicker{margin:0 0 2px;color:var(--bf-blue);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
#manage-cohort,#current-cohorts,#admin-security{scroll-margin-top:18px}
.portal-main .panel{border-radius:16px}
.portal-main .danger-zone{border-left:4px solid #d47a7a}
.portal-main table .btn,.portal-main table button{min-height:36px;padding:7px 11px;border-radius:8px;font-size:.85rem}
.portal-main .actions button.primary,.portal-main .topbar-actions .btn-primary{background:linear-gradient(135deg,var(--bf-cyan),#18b3e0);color:#062843}
@media(max-width:1080px){.dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.portal-layout{grid-template-columns:220px minmax(0,1fr)}.portal-main{padding:24px 22px 54px}}
@media(max-width:760px){
  .portal-layout{display:block}
  .portal-sidebar{padding:14px 12px;gap:12px;position:static}
  .portal-brand{flex-direction:row;justify-content:flex-start;text-align:left;padding:0 0 12px}
  .portal-brand img{width:92px}
  .portal-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
  .portal-nav a,.portal-sidebar-footer a{font-size:.84rem;padding:9px 10px}
  .portal-sidebar-footer{margin-top:0;padding-top:8px}
  .portal-main{padding:20px 12px 42px}
  .portal-topbar{align-items:flex-start;flex-direction:column}
  .topbar-actions{width:100%;justify-content:stretch}
  .topbar-actions .btn{flex:1 1 100%}
  .dashboard-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .stat-card{padding:15px}
  .stat-card strong{font-size:1.65rem}
  .section-heading{flex-direction:column}
}
@media(max-width:430px){.dashboard-stats{grid-template-columns:1fr}.portal-nav{grid-template-columns:1fr}.portal-brand span{font-size:.68rem}}

/* 2026-09-12 cohort workflow enhancements */
.row-actions{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.row-actions form{display:inline-flex;margin:0}.row-actions .btn,.row-actions button{min-height:38px;padding:8px 12px;border-radius:9px;font-size:.88rem}.row-actions .btn-danger{min-height:38px;padding:8px 12px}.table-wrap td .small{margin-top:.25rem}