:root{
  --navy:#16243f;
  --navy-deep:#0d1a30;
  --navy-800:#1d3157;
  --teal:#2563c9;
  --teal-dark:#1c4ea3;
  --teal-soft:#e9f0fb;
  --topbar:#5b636b;
  --text:#0b2436;
  --muted:#63727d;
  --line:#e5edf1;
  --bg:#f4f7f9;
  --white:#fff;
  --ok:#1f9d68;
  --warn:#e0a100;
  --danger:#d64545;
  --radius:14px;
  --shadow:0 6px 24px rgba(11,36,54,.08);
  --font:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--navy);margin:.2em 0 .5em}
h1{font-size:1.7rem}
.small{font-size:.85rem}
.muted{color:var(--muted)}

/* ---------- Topbar / nav ---------- */
.topbar{background:var(--topbar);color:#e7ebee;font-size:.8rem;padding:6px 24px;display:flex;justify-content:flex-end;gap:18px}
.nav{background:var(--white);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.5rem;color:var(--navy)}
.brand .dot{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#7fd6ea,var(--teal) 60%,#0e6f8a)}
.brand small{display:block;font-size:.62rem;font-weight:500;color:var(--muted);letter-spacing:.5px;margin-top:-4px}
.brand .teal{color:var(--teal)}
.nav-links{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--navy);font-weight:600;padding:8px 14px;border-radius:8px;font-size:.92rem}
.nav-links a:hover{background:var(--teal-soft);text-decoration:none}
.nav-links a.active{background:var(--navy);color:#fff}
.nav-user{display:flex;align-items:center;gap:12px;font-size:.88rem}

/* ---------- Layout ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:28px 24px 60px}
.hero{background:var(--navy);color:#fff;padding:34px 24px;text-align:center}
.hero .eyebrow{color:var(--teal);letter-spacing:4px;font-size:.8rem;font-weight:700}
.hero h1{color:#fff;font-size:2.1rem;margin:.2em 0}

/* ---------- Cards ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:20px}
.grid{display:grid;gap:18px}
.grid.cols-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}

.stat{background:var(--navy);color:#fff;border-radius:var(--radius);padding:22px}
.stat .n{font-size:2.2rem;font-weight:800;line-height:1}
.stat .l{color:#9db6c4;font-size:.85rem;margin-top:6px}

/* course card */
.course-card{display:flex;flex-direction:column}
.course-card .badge-row{display:flex;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.course-card p{color:var(--muted);flex:1}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.72rem;font-weight:700;letter-spacing:.3px}
.badge.teal{background:var(--teal-soft);color:var(--teal-dark)}
.badge.navy{background:var(--navy);color:#fff}
.badge.ok{background:#e5f6ee;color:var(--ok)}
.badge.warn{background:#fdf3d7;color:#8a6b00}
.badge.danger{background:#fbe6e6;color:var(--danger)}
.badge.gray{background:#eef1f3;color:var(--muted)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;border:none;cursor:pointer;font-family:inherit;font-weight:600;font-size:.92rem;
  padding:11px 22px;border-radius:24px;background:var(--teal);color:#fff;transition:.15s}
.btn:hover{background:var(--teal-dark);text-decoration:none}
.btn.navy{background:var(--navy)}
.btn.navy:hover{background:var(--navy-800)}
.btn.ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn.ghost:hover{background:var(--bg)}
.btn.danger{background:var(--danger)}
.btn.sm{padding:7px 14px;font-size:.82rem}
.btn.block{display:block;width:100%;text-align:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Forms ---------- */
label{display:block;font-weight:600;font-size:.88rem;margin:14px 0 5px;color:var(--navy)}
input,select,textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;font-family:inherit;font-size:.95rem;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal)}
textarea{min-height:90px;resize:vertical}
.form-row{display:flex;gap:16px;flex-wrap:wrap}
.form-row>div{flex:1;min-width:200px}
.hint{font-size:.8rem;color:var(--muted);margin-top:4px}
.check{display:flex;align-items:center;gap:8px}
.check input{width:auto}

/* ---------- Tables ---------- */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.5px}
tr:hover td{background:#fafcfd}
.table-wrap{overflow-x:auto}

/* ---------- Alerts ---------- */
.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:.9rem}
.alert.err{background:#fbe6e6;color:#a12b2b;border:1px solid #f2c6c6}
.alert.ok{background:#e5f6ee;color:#136c48;border:1px solid #bfe6d3}
.alert.info{background:var(--teal-soft);color:var(--teal-dark);border:1px solid #cfe8ef}

/* ---------- Auth ---------- */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),var(--navy-deep));padding:24px}
.auth-card{background:#fff;border-radius:18px;padding:38px 34px;width:100%;max-width:410px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.auth-brand{text-align:center;margin-bottom:22px}
.auth-brand .dot{width:34px;height:34px;margin:0 auto 6px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#7fd6ea,var(--teal) 60%,#0e6f8a)}
.otp-input{letter-spacing:14px;text-align:center;font-size:1.6rem;font-weight:700}

/* ---------- Quiz ---------- */
.question{border:1px solid var(--line);border-radius:12px;padding:18px;margin-bottom:14px}
.question .q-title{font-weight:700;margin-bottom:10px}
.opt{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1.5px solid var(--line);border-radius:9px;margin-bottom:8px;cursor:pointer}
.opt:hover{border-color:var(--teal)}
.opt input{width:auto}
.opt.correct{border-color:var(--ok);background:#f0faf4}
.opt.wrong{border-color:var(--danger);background:#fdf1f1}

.media-frame{width:100%;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:16/9}
.media-frame iframe,.media-frame video{width:100%;height:100%;border:0}
.pdf-frame{width:100%;height:78vh;border:1px solid var(--line);border-radius:12px}

.result-box{text-align:center;padding:28px;border-radius:14px}
.result-box.pass{background:#e5f6ee}
.result-box.fail{background:#fbe6e6}
.result-box .score{font-size:3rem;font-weight:800}

.page-head{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:26px}
.pill-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.pill-tabs a{padding:9px 16px;border-radius:22px;background:var(--white);border:1px solid var(--line);font-weight:600;color:var(--navy)}
.pill-tabs a.active{background:var(--navy);color:#fff}

/* ---------- Logo gnera ---------- */
.brand-logo{height:34px;width:auto;display:block}
.brand .brand-sub,.brand-sub{display:block;font-size:.62rem;font-weight:600;color:var(--muted);letter-spacing:.5px;margin-left:8px}
.brand{gap:8px}
.brand-logo-lg{height:56px;width:auto;margin:0 auto 8px;display:block}