/* =========================================================
   LMS Komunitas Pintar — Premium UI (mobile-first)
   Palet: ungu tua, orange, putih, netral.
   ========================================================= */
:root{
  --purple:#4C1D95; --purple2:#5B21B6; --purple-soft:#EDE9FE;
  --orange:#F97316; --orange-dark:#EA6A08;
  --ink:#111827; --muted:#6B7280; --line:#E5E7EB;
  --bg:#F8F7FC; --card:#FFFFFF; --ok:#166534; --ok-bg:#DCFCE7;
  --err:#991B1B; --err-bg:#FEE2E2; --radius:20px; --radius-sm:14px;
  --shadow:0 10px 30px rgba(17,24,39,.08); --shadow-sm:0 4px 14px rgba(17,24,39,.06);
  --container:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.font-head{font-family:'Poppins','Inter',sans-serif;font-weight:700;line-height:1.2;margin:0 0 .4em}
a{color:var(--purple2);text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}
.text-center{text-align:center}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.mb-0{margin-bottom:0}
.hide-mobile{display:none}

/* ---- Dark mode ---- */
body.dark{--bg:#0F1020;--card:#1A1B2E;--ink:#F3F4F6;--muted:#9CA3AF;--line:#2A2C42;--purple-soft:#2A1D4A}
body.dark .navbar{background:rgba(26,27,46,.9)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 22px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;border:none;cursor:pointer;transition:transform .12s,box-shadow .2s,background .2s;text-align:center;font-family:inherit}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 6px 18px rgba(249,115,22,.35)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-purple{background:var(--purple2);color:#fff}
.btn-purple:hover{background:var(--purple)}
.btn-ghost{background:var(--purple-soft);color:var(--purple)}
.btn-outline{background:transparent;border:1.5px solid var(--line);color:var(--ink)}
.btn-wa{background:#25D366;color:#fff;box-shadow:0 6px 18px rgba(37,211,102,.35)}
.btn-wa:hover{background:#1EBE5A}
.btn-block{width:100%}
.btn-sm{padding:9px 14px;font-size:13px;border-radius:10px}
.btn-danger{background:var(--err-bg);color:var(--err)}

/* ---- Cards ---- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px;border:1px solid var(--line)}
.card-lg{padding:28px}
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:repeat(2,1fr)}

/* ---- Badges / pills ---- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:5px 11px;border-radius:99px;background:var(--purple-soft);color:var(--purple)}
.badge-orange{background:#FFEDD5;color:#9A3412}
.badge-green{background:var(--ok-bg);color:var(--ok)}
.badge-gray{background:#F3F4F6;color:var(--muted)}
.badge-red{background:var(--err-bg);color:var(--err)}

/* ---- Navbar (public) ---- */
.navbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Poppins';font-weight:700;font-size:18px;color:var(--purple)}
.brand .logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--purple),var(--orange));display:grid;place-items:center;color:#fff;font-weight:700}
.nav-links{display:none;gap:26px}
.nav-links a{color:var(--ink);font-weight:500;font-size:15px}
.nav-links a:hover{color:var(--purple2)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{background:none;border:none;font-size:24px;cursor:pointer;color:var(--ink)}
.mobile-menu{display:none;flex-direction:column;gap:6px;padding:12px 18px;background:var(--card);border-bottom:1px solid var(--line)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:12px;border-radius:12px;color:var(--ink);font-weight:500}
.mobile-menu a:hover{background:var(--purple-soft)}

/* ---- Hero ---- */
.hero{position:relative;padding:56px 0 48px;background:radial-gradient(1200px 500px at 80% -10%,rgba(249,115,22,.12),transparent),radial-gradient(900px 500px at 0% 0%,rgba(76,29,149,.14),transparent)}
.hero h1{font-size:34px;letter-spacing:-.5px}
.hero p.lead{font-size:17px;color:var(--muted);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap}
.hero-stats .num{font-family:'Poppins';font-size:26px;font-weight:700;color:var(--purple)}
.hero-stats .lbl{font-size:13px;color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--orange);background:#FFEDD5;padding:6px 14px;border-radius:99px;margin-bottom:16px}

/* ---- Section ---- */
.section{padding:52px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 34px}
.section-head h2{font-size:27px}
.section-head p{color:var(--muted)}

/* ---- Benefit ---- */
.benefit-ico{width:52px;height:52px;border-radius:14px;background:var(--purple-soft);display:grid;place-items:center;font-size:24px;margin-bottom:14px}

/* ---- Course card ---- */
.course-card{overflow:hidden;padding:0;display:flex;flex-direction:column}
.course-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--purple2),var(--orange));display:grid;place-items:center;color:#fff;font-family:'Poppins';font-weight:700;font-size:20px;text-align:center;padding:16px}
.course-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.course-body h3{font-size:17px;margin:0}
.course-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:auto}

/* ---- Price card ---- */
.pricing-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:18px}
.pricing-grid .price-card{flex:1 1 100%;max-width:360px}
.price-card{text-align:center;position:relative;display:flex;flex-direction:column}
.price-card .btn{margin-top:auto}
.price-card.popular{border:2px solid var(--orange);box-shadow:var(--shadow)}
.price-card .amount{font-family:'Poppins';font-size:30px;font-weight:700;color:var(--purple);margin:8px 0}
.price-card ul{list-style:none;padding:0;margin:16px 0;text-align:left}
.price-card li{padding:7px 0 7px 26px;position:relative;font-size:14px}
.price-card li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--orange);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:99px}

/* ---- Progress bar ---- */
.progress{height:9px;background:var(--line);border-radius:99px;overflow:hidden}
.progress .bar{height:100%;background:linear-gradient(90deg,var(--purple2),var(--orange));border-radius:99px;transition:width .6s}

/* ---- Forms ---- */
.form-group{margin-bottom:16px}
label{display:block;font-weight:600;font-size:14px;margin-bottom:7px}
.input,input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);font-size:15px;font-family:inherit;background:var(--card);color:var(--ink);transition:.2s}
.input:focus,input:focus,select:focus,textarea:focus{outline:none;border-color:var(--purple2);box-shadow:0 0 0 4px rgba(91,33,182,.12)}
textarea{min-height:120px;resize:vertical}
.hint{font-size:12px;color:var(--muted);margin-top:5px}

/* ---- Alerts / flash ---- */
.flash-wrap{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:200;width:calc(100% - 32px);max-width:440px;display:flex;flex-direction:column;gap:10px}
.alert{padding:14px 16px;border-radius:14px;font-size:14px;font-weight:500;box-shadow:var(--shadow);display:flex;gap:10px;align-items:flex-start;animation:slideDown .3s}
.alert-success{background:var(--ok-bg);color:var(--ok)}
.alert-error{background:var(--err-bg);color:var(--err)}
@keyframes slideDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* ---- Empty state ---- */
.empty{text-align:center;padding:44px 20px;color:var(--muted)}
.empty .ico{font-size:44px;margin-bottom:12px}

/* ---- Dashboard layout (sidebar) ---- */
.app-shell{display:flex;min-height:100vh}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:250px;background:var(--card);border-right:1px solid var(--line);padding:20px 14px;transform:translateX(-100%);transition:transform .25s;z-index:100;overflow-y:auto}
.sidebar.open{transform:none}
.sidebar .brand{margin-bottom:22px;padding:0 8px}
.side-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;color:var(--ink);font-weight:500;font-size:15px;margin-bottom:4px}
.side-link:hover{background:var(--purple-soft);color:var(--purple)}
.side-link.active{background:var(--purple);color:#fff}
.side-sec{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:14px 14px 6px;font-weight:600}
.main{flex:1;min-width:0;margin-left:0}
.topbar{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 18px}
.content{padding:20px 18px 90px}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:90}
.overlay.show{display:block}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--purple);color:#fff;display:grid;place-items:center;font-weight:600;font-size:15px}

/* ---- Stat card ---- */
.stat{display:flex;flex-direction:column;gap:2px}
.stat .num{font-family:'Poppins';font-size:26px;font-weight:700}
.stat .lbl{font-size:13px;color:var(--muted)}
.stat .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;background:var(--purple-soft);margin-bottom:8px}

/* ---- Table ---- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;font-size:14px;background:var(--card)}
th,td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--bg)}
tr:last-child td{border-bottom:none}

/* ---- Lesson page ---- */
.lesson-grid{display:grid;grid-template-columns:1fr;gap:20px}
.lesson-list a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:var(--ink);font-size:14px}
.lesson-list a.active{background:var(--purple);color:#fff}
.lesson-list a.done{color:var(--muted)}
.video-frame{aspect-ratio:16/9;background:#111;border-radius:var(--radius);overflow:hidden;position:relative}
.video-frame iframe{width:100%;height:100%;border:0}
.watermark{position:absolute;bottom:12px;right:12px;color:rgba(255,255,255,.55);font-size:12px;pointer-events:none;z-index:5}

/* ---- Footer ---- */
.footer{background:var(--purple);color:#fff;padding:40px 0 26px;margin-top:40px}
.footer a{color:#fff}
.footer .cols{display:grid;grid-template-columns:1fr;gap:26px;margin-bottom:26px}
.footer h4{color:#fff;font-size:15px}
.footer .muted{color:rgba(255,255,255,.7)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;text-align:center;font-size:13px;color:rgba(255,255,255,.75)}
.footer-bottom a{font-weight:600;text-decoration:underline}

/* ---- Floating WA ---- */
.fab-wa{position:fixed;right:18px;bottom:18px;z-index:150;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.45);font-size:26px}
.fab-wa:hover{transform:scale(1.05)}

/* ---- Auth ---- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 80% -10%,rgba(249,115,22,.12),transparent),var(--bg)}
.auth-card{width:100%;max-width:430px}
.auth-card .brand{justify-content:center;margin-bottom:8px}

/* ---- Responsive ---- */
@media(min-width:768px){
  .hide-mobile{display:block}
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .pricing-grid .price-card{flex:0 1 300px}
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .hero h1{font-size:46px}
  .hero .container{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
  .footer .cols{grid-template-columns:2fr 1fr 1fr}
  .lesson-grid{grid-template-columns:300px 1fr}
  .section-head h2{font-size:32px}
}
@media(min-width:1024px){
  .sidebar{transform:none}
  .main{margin-left:250px}
  .overlay{display:none!important}
  .side-toggle{display:none}
}