/* NLE Student Portal + Teacher Dashboard — 2-colour, white ground, blue/pink accent */
:root{
  --accent:#2E78D2; --accent-ink:#1b5bb0; --accent-2:#6aa8f0;
  --bg:#eef2f7; --panel:#fff; --panel-2:#f6f8fb; --line:#e6eaf0;
  --ink:#18202e; --muted:#5f6a7e; --faint:#98a2b3; --chipbg:#eef2f8;
  --shadow:0 1px 2px rgba(24,34,51,.05),0 8px 22px rgba(24,34,51,.06); --r:14px;
}
:root[data-acc="pink"]{--accent:#D6228A; --accent-ink:#ac1a6f; --accent-2:#f06ab0}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;line-height:1.2}
button{font:inherit;cursor:pointer}
.tnum{font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
.ld-load{padding:60px;text-align:center;color:var(--muted)}

/* login */
.ld-login{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,var(--accent),var(--accent-2))}
.ld-card{background:#fff;border-radius:22px;max-width:380px;width:100%;padding:30px 26px;box-shadow:0 20px 50px rgba(24,34,51,.22)}
.ld-brand{text-align:center;font-weight:900;font-size:1.3rem;color:var(--accent)}
.ld-sub{text-align:center;color:var(--muted);font-size:.9rem;margin-bottom:18px}
.ld-card label{display:block;font-size:.78rem;font-weight:700;color:var(--muted);margin:12px 0 5px}
.ld-card input{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:11px;font-size:1rem;background:var(--panel-2)}
.ld-btn{width:100%;margin-top:18px;padding:13px;border:0;border-radius:11px;background:var(--accent);color:#fff;font-size:1.02rem;font-weight:800}
.ld-btn:hover{background:var(--accent-ink)}
.ld-btn:disabled{opacity:.6}
.ld-err{margin-top:12px;color:#b91c1c;font-size:.86rem;text-align:center;min-height:1em}

/* top bar */
.ld-top{display:flex;align-items:center;gap:12px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.ld-brand2{font-weight:800;color:var(--accent)}
.ld-who{margin-left:auto;font-size:.86rem;color:var(--muted)}
.ld-who span{display:inline-block;background:var(--chipbg);color:var(--accent-ink);font-weight:700;font-size:.68rem;padding:2px 8px;border-radius:999px;margin-left:4px}
.ld-out{border:1px solid var(--line);background:transparent;color:var(--accent);border-radius:10px;padding:7px 13px;font-weight:700;font-size:.82rem}

.ld-wrap{max-width:1180px;margin:0 auto;padding:22px}
.ld-wrap h1{font-size:1.5rem}
.ld-lead{color:var(--muted);margin:4px 0 20px}
.ld-empty{color:var(--muted);background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center}

/* student module cards */
.ld-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.ld-mod{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);border-top:4px solid var(--accent);display:block;transition:transform .12s,box-shadow .12s}
.ld-mod:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(24,34,51,.12)}
.ld-mod-h{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
.ld-tag{font-size:.66rem;font-weight:800;color:var(--accent-ink);background:var(--chipbg);padding:3px 9px;border-radius:999px}
.ld-sem{font-size:.72rem;color:var(--muted)}
.ld-mod h3{font-size:1.05rem;margin-bottom:12px}
.ld-bar{height:8px;border-radius:9px;background:var(--line);overflow:hidden}
.ld-bar i{display:block;height:100%;background:var(--accent)}
.ld-mod-f{font-size:.82rem;color:var(--muted);margin-top:9px}
.ld-mod-f b{color:var(--ink);font-size:1rem}

/* teacher dashboard */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:6px 0 20px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;box-shadow:var(--shadow);border-top:4px solid var(--accent)}
.stat b{display:block;font-size:1.8rem;font-weight:800}
.stat span{font-size:.8rem;color:var(--muted)}
.cols{display:grid;grid-template-columns:330px 1fr;gap:18px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.phead{display:flex;align-items:center;gap:10px;padding:13px 15px;border-bottom:1px solid var(--line)}
.phead h2{font-size:.96rem}
.phead .count{margin-left:auto;font-size:.75rem;color:var(--muted)}
.btn{border:0;border-radius:10px;padding:8px 13px;font-weight:700;font-size:.84rem;background:var(--accent);color:#fff}
.btn:hover{background:var(--accent-ink)}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}
.btn.sm{padding:6px 11px;font-size:.79rem}
.roster{display:flex;flex-direction:column;max-height:70vh;overflow:auto}
.srow{display:flex;gap:11px;align-items:center;padding:11px 14px;border-bottom:1px solid var(--line);border-left:3px solid transparent;background:none;text-align:left;width:100%;color:inherit}
.srow:hover{background:var(--panel-2)}
.srow.on{background:color-mix(in srgb,var(--accent) 8%,var(--panel));border-left-color:var(--accent)}
.ini{border-radius:50%;flex:0 0 auto;display:grid;place-items:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));width:36px;height:36px;font-size:.82rem}
.srow .nm{font-weight:700;font-size:.9rem}
.srow .sub{font-size:.73rem;color:var(--muted);display:flex;gap:6px;align-items:center;margin-top:2px}
.chip{font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--chipbg);color:var(--muted)}
.chip.ac{background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent-ink)}
.srow .pts{margin-left:auto;text-align:right}
.srow .pts b{font-size:1rem;font-weight:800}
.srow .pts span{display:block;font-size:.64rem;color:var(--faint)}
.dhead{display:flex;gap:14px;align-items:flex-start;padding:18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.dhead .ini{width:50px;height:50px;border-radius:14px;font-size:1.05rem}
.dhead h2{font-size:1.2rem}
.dhead .em{font-size:.82rem;color:var(--muted)}
.dhead .tags{display:flex;gap:7px;margin-top:8px;flex-wrap:wrap}
.dhead .tot{margin-left:auto;text-align:right}
.dhead .tot b{font-size:1.9rem;font-weight:800;color:var(--accent)}
.dhead .tot span{display:block;font-size:.72rem;color:var(--muted)}
.term{padding:4px 18px 14px}
.term-h{display:flex;align-items:center;gap:10px;padding:13px 2px 7px}
.term-h h3{font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;color:var(--accent)}
.term-h .tp{margin-left:auto;font-size:.77rem;font-weight:700;color:var(--muted)}
.term-h .tp b{color:var(--ink)}
table{width:100%;border-collapse:collapse}
th{font-size:.67rem;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);font-weight:700;text-align:center;padding:6px 4px}
th.l{text-align:left;padding-left:6px}
td{padding:8px 4px;border-top:1px solid var(--line);text-align:center;font-size:.85rem}
td.l{text-align:left;padding-left:6px;font-weight:600}
.dot{display:inline-grid;place-items:center;width:23px;height:23px;border-radius:50%;font-size:.76rem;background:var(--chipbg);color:var(--faint)}
.dot.ok{background:var(--accent);color:#fff}
.dot.na{opacity:.4}
.spl{font-weight:700;color:var(--accent)}
.hwbtn{border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);background:transparent;color:var(--accent);border-radius:8px;padding:4px 9px;font-size:.75rem;font-weight:700}
.hwbtn.done{background:var(--accent);color:#fff;border-color:var(--accent)}
.hwbtn:disabled{opacity:.5}
.ltot{font-weight:800}.ltot span{color:var(--faint);font-weight:600;font-size:.77rem}
.ov{position:fixed;inset:0;background:rgba(12,17,28,.45);display:none;align-items:center;justify-content:center;padding:18px;z-index:40}
.ov.open{display:flex}
.modal{background:var(--panel);border-radius:18px;max-width:430px;width:100%;box-shadow:0 24px 60px rgba(0,0,0,.28);overflow:hidden}
.modal h3{padding:16px 18px;border-bottom:1px solid var(--line);font-size:1.03rem}
.mform{padding:16px 18px;display:grid;gap:11px}
.mform label{font-size:.75rem;font-weight:700;color:var(--muted);display:block;margin-bottom:4px}
.mform input,.mform select{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);font:inherit;font-size:.9rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.mfoot{display:flex;gap:10px;justify-content:flex-end;padding:13px 18px;border-top:1px solid var(--line);background:var(--panel-2)}
.mmsg{padding:0 18px 12px;font-size:.82rem;min-height:1em}
.mmsg.err{color:#b91c1c}.mmsg.ok{color:#15803d}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:820px){.stats{grid-template-columns:1fr 1fr}.cols{grid-template-columns:1fr}.roster{max-height:none}.tbl-scroll{overflow-x:auto}}

/* account menu (top-right) + parent children sections */
.acct{margin-left:auto;position:relative}
.acct-btn{display:flex;align-items:center;gap:9px;background:transparent;border:1px solid var(--line);border-radius:999px;padding:5px 11px 5px 5px;color:var(--ink)}
.acct-btn:hover{background:var(--panel-2)}
.acct-ini{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:.78rem;background:linear-gradient(135deg,var(--accent),var(--accent-2))}
.acct-nm{font-size:.84rem;font-weight:700;line-height:1.1;text-align:left}
.acct-nm small{display:block;font-weight:600;font-size:.66rem;color:var(--muted)}
.acct-cv{color:var(--muted);font-size:.7rem}
.acct-menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 30px rgba(24,34,51,.16);min-width:220px;padding:6px;display:none;z-index:30}
.acct-menu.open{display:block}
.acct-em{font-size:.76rem;color:var(--muted);padding:7px 9px;border-bottom:1px solid var(--line);margin-bottom:4px;word-break:break-all}
.acct-item{display:block;width:100%;text-align:left;background:transparent;border:0;padding:9px;border-radius:8px;font-size:.86rem;font-weight:600;color:var(--ink);cursor:pointer}
.acct-item:hover{background:var(--panel-2)}
.ld-child{margin:0 0 26px}
.ld-child-h{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.ld-child-h .ini{width:44px;height:44px;border-radius:12px;font-size:1rem}
.ld-child-h h2{font-size:1.2rem}
.ld-since{font-size:.78rem;color:var(--muted)}
.ld-forgot{display:block;margin:14px auto 0;background:none;border:0;color:var(--accent);font-size:.82rem;font-weight:600;text-decoration:underline;cursor:pointer}

/* admin tabs, courses grid, admin management */
.tabs{display:flex;gap:6px;margin:0 0 18px;border-bottom:1px solid var(--line)}
.tab{background:none;border:0;border-bottom:3px solid transparent;padding:10px 14px;font-weight:700;font-size:.92rem;color:var(--muted);margin-bottom:-1px}
.tab.on{color:var(--accent);border-bottom-color:var(--accent)}
.tab:hover{color:var(--ink)}
.tv-h{font-size:1.25rem;margin-bottom:4px}
.cc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:16px}
.cc{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:15px;box-shadow:var(--shadow);border-top:4px solid var(--accent)}
.cc-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.cc h3{font-size:1.02rem;margin-bottom:8px}
.cc-meta{font-size:.8rem;color:var(--muted);margin-bottom:12px}
.adm-list{display:flex;flex-direction:column;gap:8px;max-width:640px;margin-top:14px}
.adm-row{display:flex;align-items:center;gap:11px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 14px;box-shadow:var(--shadow)}
.adm-row .em{font-size:.78rem;color:var(--muted)}
.adm-add{max-width:640px;margin-top:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.adm-add h3{font-size:1.02rem}
.adm-add .two input{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:var(--panel-2);font:inherit;font-size:.9rem}

/* ---- login welcome quote card ---- */
.qc-ov{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:rgba(10,8,24,.62);animation:qcfade .25s ease}
.qc-ov.qc-out{opacity:0;transition:opacity .28s}
@keyframes qcfade{from{opacity:0}to{opacity:1}}
.qc-card{position:relative;width:100%;max-width:470px;border-radius:26px;overflow:hidden;isolation:isolate;color:#fdf3e3;background:linear-gradient(150deg,var(--g1) 0%,var(--g2) 45%,var(--g3) 100%);box-shadow:0 30px 80px -20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.06) inset,0 1px 0 rgba(255,255,255,.18) inset;padding:26px 28px 24px;animation:qcrise .7s cubic-bezier(.16,1,.3,1) both;max-height:92vh;overflow-y:auto}
@keyframes qcrise{from{opacity:0;transform:translateY(26px) scale(.94)}to{opacity:1;transform:none}}
.qc-card::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(500px 300px at 80% 6%,color-mix(in srgb,var(--acc) 30%,transparent),transparent 60%)}
.qc-cv{position:absolute;inset:0;z-index:-1;pointer-events:none}
.qc-close{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:50%;border:1px solid rgba(253,243,227,.28);background:rgba(0,0,0,.2);color:#fdf3e3;font-size:1.1rem;line-height:1;cursor:pointer;display:grid;place-items:center;transition:.15s;z-index:3}
.qc-close:hover{background:rgba(0,0,0,.38);transform:rotate(90deg)}
.qc-top{display:flex;align-items:center;gap:10px}
.qc-logo{width:38px;height:38px;border-radius:10px;background:#fff;padding:5px;object-fit:contain;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.qc-wordmark{font-size:.72rem;font-weight:800;letter-spacing:.02em;line-height:1.15;color:#fdf3e3}
.qc-wordmark small{display:block;font-weight:600;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(253,243,227,.6)}
.qc-kicker{display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:.68rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--acc)}
.qc-dot{width:5px;height:5px;border-radius:50%;background:var(--acc);box-shadow:0 0 10px var(--acc)}
.qc-greet{margin-top:10px;font-size:1rem;color:rgba(253,243,227,.75);font-weight:600}
.qc-name{font-size:1.9rem;font-weight:800;letter-spacing:-.01em;line-height:1.1;margin-top:1px;background:linear-gradient(90deg,#fff,var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.qc-wave{-webkit-text-fill-color:initial}
.qc-rule{height:1px;margin:16px 0 4px;background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--acc) 60%,transparent),transparent)}
.qc-qwrap{position:relative;padding-top:12px}
.qc-qmark{position:absolute;top:-16px;left:-6px;font-family:Georgia,serif;font-size:5rem;line-height:1;color:color-mix(in srgb,var(--acc) 28%,transparent);pointer-events:none;user-select:none}
.qc-quote{font-family:Georgia,"Times New Roman",serif;font-size:clamp(1.3rem,4.4vw,1.6rem);line-height:1.42;margin:0;font-weight:500;text-wrap:balance;color:#fff;text-shadow:0 1px 20px rgba(0,0,0,.25)}
.qc-author{margin-top:12px;font-size:.92rem;font-weight:700;color:var(--acc)}
.qc-listen{margin-top:14px;display:inline-flex;align-items:center;gap:6px;background:rgba(0,0,0,.18);border:1px solid color-mix(in srgb,var(--acc) 40%,transparent);color:#fdf3e3;border-radius:999px;padding:8px 15px;font:inherit;font-size:.82rem;font-weight:700;cursor:pointer;transition:.15s}
.qc-listen:hover{background:rgba(0,0,0,.32)}
.qc-listen.on{color:var(--acc);border-color:var(--acc)}
.qc-mean{margin-top:18px;background:rgba(0,0,0,.16);border:1px solid rgba(253,243,227,.14);border-radius:14px;padding:13px 15px}
.qc-mean h4{margin:0 0 5px;font-size:.68rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--acc)}
.qc-mean p{margin:0;font-size:.92rem;line-height:1.5;color:rgba(253,243,227,.92)}
.qc-foot{display:flex;align-items:center;gap:10px;margin-top:20px}
.qc-again{background:none;border:0;color:rgba(253,243,227,.7);font:inherit;font-size:.8rem;font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:6px}
.qc-again:hover{color:#fdf3e3}
.qc-spacer{flex:1}
.qc-cta{border:0;border-radius:999px;padding:11px 20px;font-weight:800;font-size:.9rem;cursor:pointer;color:var(--ink);background:linear-gradient(180deg,var(--acc2),var(--acc));box-shadow:0 8px 20px -6px color-mix(in srgb,var(--acc) 70%,transparent);transition:.15s}
.qc-cta:hover{transform:translateY(-2px)}
@media (prefers-reduced-motion:reduce){.qc-card{animation:none}}
.cc-grp{font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:22px 0 2px}
.cc-grp span{display:inline-block;color:var(--accent);margin-left:5px}