/* ATCS LMS — redesigned. Keeps legacy class names (used by admin.html) and adds new components. */
:root{--g1:#0f6b3f;--g2:#0a4a2c;--g3:#14935a;--or:#f28c00;--or2:#ffb347;--sh:0 10px 30px -12px rgba(10,74,44,.28);--sh2:0 2px 8px rgba(10,74,44,.08)}

/* ---------- base components ---------- */
.lms-narrow{max-width:460px;margin:0 auto}
.lms-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:20px;box-shadow:var(--sh2);transition:box-shadow .25s,transform .25s}
.lms-card:hover{box-shadow:var(--sh)}
.lms-card h3{margin-top:0}
.lms-in{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font:inherit;margin:6px 0 14px;background:#fbfdfc;transition:border-color .2s,box-shadow .2s}
.lms-in:focus{outline:0;border-color:var(--g3);box-shadow:0 0 0 4px rgba(20,147,90,.15);background:#fff}
textarea.lms-in{min-height:120px;resize:vertical}
.lms-bar{height:12px;border-radius:99px;background:#e3ece6;overflow:hidden;margin:8px 0}
.lms-bar>i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--g1),var(--g3));transition:width .6s cubic-bezier(.2,.8,.2,1);background-size:200% 100%;animation:lmsShine 3s linear infinite}
.lms-bar.o>i{background:linear-gradient(90deg,var(--or),var(--or2))}
@keyframes lmsShine{to{background-position:-200% 0}}
.lms-row{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.lms-err{background:#fdecea;color:#8a1f12;border:1px solid #f5c2bb;border-radius:12px;padding:12px 16px;margin:0 0 16px}
.lms-ok{background:#e8f6ee;color:var(--g2);border:1px solid #bfe0cc;border-radius:12px;padding:12px 16px;margin:0 0 16px}
.lms-big{font-size:2.4rem;font-weight:800;color:var(--g1)}
.lms-tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.lms-tbl th{background:#f1f6f3;color:var(--g2);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.lms-tbl th,.lms-tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.lms-tbl tr:hover td{background:#fafcfb}
.lms-soon{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px;font-size:.92rem;color:var(--mute);padding-left:18px}
.lms-pts{background:linear-gradient(135deg,#f1f8f4,#fff8ec);border-left:5px solid var(--or);border-radius:12px;padding:14px 18px 14px 34px;margin:12px 0 26px}
.lms-pts li{margin:5px 0}

/* ---------- entrance animation ---------- */
#app>*{animation:lmsIn .45s ease both}
#app>*:nth-child(2){animation-delay:.05s}#app>*:nth-child(3){animation-delay:.1s}#app>*:nth-child(4){animation-delay:.15s}#app>*:nth-child(5){animation-delay:.2s}
@keyframes lmsIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- auth ---------- */
.lms-auth{display:grid;grid-template-columns:1.05fr 1fr;gap:0;border-radius:24px;overflow:hidden;box-shadow:var(--sh);background:#fff;max-width:920px;margin:10px auto}
.lms-auth-side{background:radial-gradient(circle at 20% 15%,rgba(255,179,71,.35),transparent 45%),linear-gradient(150deg,var(--g1),var(--g2));color:#fff;padding:44px 36px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.lms-auth-side h2{margin:0;font-size:1.9rem;line-height:1.2;color:#fff}
.lms-auth-side p{margin:0;opacity:.9}
.lms-auth-side ul{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:10px}
.lms-auth-side li{display:flex;gap:10px;align-items:center;font-size:.95rem}
.lms-auth-side li:before{content:"✓";flex:none;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;font-weight:800;font-size:.8rem}
.lms-auth-main{padding:36px 34px}
.lms-tabs{display:flex;gap:6px;margin-bottom:20px;background:#eef4f0;padding:5px;border-radius:14px}
.lms-tabs button{flex:1;padding:10px;border:0;background:transparent;border-radius:10px;font:inherit;font-weight:700;cursor:pointer;color:var(--mute);transition:.2s}
.lms-tabs button.on{background:#fff;color:var(--g1);box-shadow:var(--sh2)}

/* ---------- hero / dashboard ---------- */
.lms-hero{position:relative;overflow:hidden;border-radius:24px;padding:34px 36px;color:#fff;margin-bottom:22px;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  background:radial-gradient(circle at 85% 20%,rgba(255,179,71,.4),transparent 40%),radial-gradient(circle at 10% 110%,rgba(255,255,255,.12),transparent 40%),linear-gradient(135deg,var(--g2),var(--g1) 60%,var(--g3));box-shadow:var(--sh)}
.lms-hero:after{content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;border:38px solid rgba(255,255,255,.07)}
.lms-hero h2{margin:0 0 6px;color:#fff;font-size:1.8rem}
.lms-hero p{margin:0;opacity:.92}
.lms-hero .tag{display:inline-block;background:rgba(255,255,255,.18);backdrop-filter:blur(4px);padding:4px 12px;border-radius:99px;font-size:.78rem;font-weight:700;letter-spacing:.04em;margin-bottom:12px}
.lms-hero .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}
.lms-hero .btn{box-shadow:0 6px 16px rgba(0,0,0,.2)}
.lms-hero .btn.glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.35)}
.lms-ring{--p:0;position:relative;width:128px;height:128px;border-radius:50%;flex:none;display:grid;place-items:center;z-index:1;
  background:conic-gradient(var(--or2) calc(var(--p)*1%),rgba(255,255,255,.2) 0)}
.lms-ring:before{content:"";position:absolute;inset:11px;border-radius:50%;background:var(--g2)}
.lms-ring b{position:relative;font-size:1.7rem}
.lms-ring small{position:absolute;bottom:26px;font-size:.62rem;opacity:.8;letter-spacing:.06em;text-transform:uppercase}
.lms-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:22px}
.lms-stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;display:flex;gap:14px;align-items:center;box-shadow:var(--sh2)}
.lms-stat .ic{flex:none;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:1.4rem;background:linear-gradient(135deg,#e3f4ea,#c9ead7)}
.lms-stat:nth-child(2) .ic{background:linear-gradient(135deg,#fff0d9,#ffe0b0)}
.lms-stat:nth-child(3) .ic{background:linear-gradient(135deg,#e6ecff,#d0dcff)}
.lms-stat:nth-child(4) .ic{background:linear-gradient(135deg,#fde7ec,#fbd0da)}
.lms-stat b{display:block;font-size:1.3rem;line-height:1.1;color:var(--g2)}
.lms-stat span{font-size:.8rem;color:var(--mute)}
.lms-sec{display:flex;align-items:center;gap:10px;margin:28px 0 12px;font-size:1.2rem}
.lms-sec:after{content:"";flex:1;height:2px;background:linear-gradient(90deg,var(--line),transparent)}
.lms-course{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;padding:0;overflow:hidden}
.lms-course .cv{height:100%;min-height:150px;display:grid;place-items:center;font-size:3.4rem;background:linear-gradient(135deg,var(--g1),var(--g3));position:relative}
.lms-course .cv:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,179,71,.5),transparent 55%)}
.lms-course .cv span{position:relative;z-index:1;filter:drop-shadow(0 4px 8px rgba(0,0,0,.25))}
.lms-course .bd{padding:18px 0}
.lms-course .ac{padding:18px 24px 18px 0}
.lms-chip{display:inline-flex;gap:6px;align-items:center;background:#eef6f1;color:var(--g2);padding:3px 11px;border-radius:99px;font-size:.78rem;font-weight:700;margin:2px 4px 2px 0}
.lms-chip.o{background:#fff0d9;color:#8a5a00}
.lms-soon-item{display:flex;gap:8px;align-items:center}

/* ---------- course overview ---------- */
.lms-crumb{display:inline-flex;gap:6px;align-items:center;font-weight:700;margin-bottom:14px}
.lms-track{position:relative;margin:6px 0 0}
.lms-mod{position:relative;display:flex;gap:16px;align-items:center;padding:16px 18px;margin-bottom:12px;border:1.5px solid var(--line);border-radius:16px;background:#fff;transition:.25s}
.lms-mod:hover{border-color:var(--g3);box-shadow:var(--sh2);transform:translateX(4px)}
.lms-mod:first-of-type{border-top:1.5px solid var(--line)}
.lms-mod.done{background:linear-gradient(90deg,#f1fbf5,#fff);border-color:#bfe0cc}
.lms-mod.lock{opacity:.55;background:#f7f8f7}
.lms-mod.lock:hover{transform:none;border-color:var(--line);box-shadow:none}
.lms-num{flex:none;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:1.05rem;background:#e8f3ec;color:var(--g1)}
.lms-mod.done .lms-num{background:linear-gradient(135deg,var(--g1),var(--g3));color:#fff}
.lms-mod .grow{flex:1;min-width:0}
.lms-mod small{color:var(--mute)}
.lms-mod .mchips{margin-top:6px}
.lms-note{display:flex;gap:10px;align-items:flex-start;background:#f4f9f6;border:1px dashed #b9d8c7;border-radius:14px;padding:12px 16px;color:var(--mute);font-size:.9rem;margin-top:12px}

/* ---------- lesson ---------- */
.lms-timer{position:sticky;top:68px;z-index:20;background:linear-gradient(90deg,var(--g2),var(--g1));color:#fff;border-radius:16px;padding:12px 20px;margin-bottom:22px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;box-shadow:var(--sh);transition:background .3s}
.lms-timer b{font-variant-numeric:tabular-nums}
.lms-timer.idle{background:linear-gradient(90deg,#7a4d00,#a86b00)}
.lms-timer .tp{flex:1 1 200px;min-width:140px}
.lms-timer .tp .lms-bar{background:rgba(255,255,255,.25);height:8px;margin:0}
.lms-timer .tp .lms-bar>i{background:linear-gradient(90deg,var(--or2),#fff)}
.lms-lesson{max-width:820px;margin:0 auto}
.lms-lesson h2{font-size:2rem;line-height:1.2;margin:.2em 0}
.lms-lesson .lead{font-size:1.08rem;color:var(--mute);border-left:4px solid var(--or);padding-left:14px;margin:12px 0 26px}
.lms-lesson h3{margin:32px 0 8px;display:flex;gap:10px;align-items:center}
.lms-lesson h3:before{content:"";width:8px;height:24px;border-radius:4px;background:linear-gradient(var(--g3),var(--g1))}
.lms-lesson p{font-size:1.04rem;line-height:1.75}
.lms-nav{display:flex;gap:10px;justify-content:space-between;flex-wrap:wrap;margin-top:8px}

/* ---------- quiz / exam ---------- */
.lms-q{border:1.5px solid var(--line);border-radius:18px;padding:18px 20px;margin-bottom:16px;background:#fff;box-shadow:var(--sh2)}
.lms-q>b{display:flex;gap:12px;align-items:flex-start;margin-bottom:10px;line-height:1.4}
.lms-q>b .qn{flex:none;width:30px;height:30px;border-radius:10px;background:var(--g1);color:#fff;display:grid;place-items:center;font-size:.85rem}
.lms-q label{display:flex;gap:12px;align-items:center;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;cursor:pointer;margin-top:8px;transition:.18s;background:#fcfdfc}
.lms-q label:hover{background:#f1f8f4;border-color:#a8d3bb}
.lms-q label input{accent-color:var(--g1);width:18px;height:18px;flex:none}
.lms-q label:has(input:checked){background:linear-gradient(90deg,#e6f6ed,#f6fcf8);border-color:var(--g3);box-shadow:0 0 0 3px rgba(20,147,90,.13);font-weight:600}
.lms-q.right{border-color:#2e9d62;background:#f1fbf5}
.lms-q.wrong{border-color:#d9776b;background:#fff6f4}
.lms-q .why{margin:10px 0 0;color:var(--mute);font-size:.92rem;padding:10px 14px;background:rgba(0,0,0,.03);border-radius:10px}
.lms-gauge{--p:0;width:170px;height:170px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--c,var(--g3)) calc(var(--p)*1%),#e6ede8 0);animation:lmsIn .6s both}
.lms-gauge:before{content:"";position:absolute;inset:14px;border-radius:50%;background:#fff}
.lms-gauge b{position:relative;font-size:2.4rem;color:var(--c,var(--g1))}
.lms-gauge.bad{--c:#d9534f}
.lms-result{text-align:center}
.lms-result .lms-ok,.lms-result .lms-err{text-align:left}
.lms-prog{position:sticky;top:130px;z-index:15;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 14px;margin-bottom:16px;box-shadow:var(--sh2);font-size:.88rem;color:var(--mute)}

/* ---------- certificate ---------- */
.lms-cert{position:relative;overflow:hidden;border:0!important;color:#fff;background:radial-gradient(circle at 90% 10%,rgba(255,179,71,.55),transparent 40%),linear-gradient(135deg,var(--g2),var(--g1))}
.lms-cert h3{color:#fff}
.lms-cert a{color:var(--or2)}
.lms-cert .btn.o{background:var(--or)}
.lms-cert .btn:not(.o){background:rgba(255,255,255,.18);color:#fff}
.lms-cert .seal{position:absolute;right:20px;top:14px;font-size:4rem;opacity:.2}
.lms-confetti{position:fixed;inset:0;pointer-events:none;z-index:999;overflow:hidden}
.lms-confetti i{position:absolute;top:-20px;width:10px;height:16px;border-radius:2px;animation:lmsFall linear forwards}
@keyframes lmsFall{to{transform:translateY(110vh) rotate(720deg);opacity:.9}}

/* ---------- responsive ---------- */
@media(max-width:760px){
 .lms-auth{grid-template-columns:1fr}.lms-auth-side{padding:28px 24px}
 .lms-hero{padding:26px 22px}.lms-ring{width:104px;height:104px}.lms-ring:before{inset:9px}
 .lms-course{grid-template-columns:1fr}.lms-course .cv{min-height:90px}.lms-course .bd,.lms-course .ac{padding:0 20px 18px}
 .lms-mod{flex-wrap:wrap}.lms-lesson h2{font-size:1.6rem}
 .lms-timer{top:60px}.lms-prog{top:118px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}