:root {
  --navy:#1E3A8A;--navy-dark:#152B5C;--navy-light:rgba(30,58,138,0.08);
  --purple:#7C3AED;--purple-dark:#5B21B6;--purple-light:rgba(124,58,237,0.08);
  --teal:#0D9488;--teal-dark:#0A7368;--teal-light:rgba(13,148,136,0.08);
  --bg:#FFFFFF;--bg2:#F8FAFC;--bg3:#F1F5F9;
  --text:#1E293B;--text2:#64748B;--border:#E2E8F0;
  --shadow:0 4px 24px rgba(30,58,138,0.10);--shadow-lg:0 12px 48px rgba(30,58,138,0.14);
  --radius:12px;--radius-lg:18px;--nav-h:66px;
  --success:#10B981;--danger:#EF4444;--warn:#F59E0B;
  --card:#FFFFFF;
}
[data-theme="dark"]{
  --bg:#0F172A;--bg2:#1E293B;--bg3:#293548;--card:#1E293B;
  --text:#F1F5F9;--text2:#94A3B8;--border:#334155;
  --shadow:0 4px 24px rgba(0,0,0,0.4);--shadow-lg:0 12px 48px rgba(0,0,0,0.5);
  --navy-light:rgba(30,58,138,0.2);--purple-light:rgba(124,58,237,0.2);--teal-light:rgba(13,148,136,0.2);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;background:var(--bg)}
body{font-family:'DM Sans',sans-serif;color:var(--text);background:var(--bg);transition:background .3s,color .3s;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Poppins',sans-serif}
a{text-decoration:none;color:inherit}
button,.btn{cursor:pointer;font-family:'DM Sans',sans-serif}
input,textarea,select{font-family:'DM Sans',sans-serif}
.page{display:none;min-height:100vh}
.page.active{display:block}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 22px;border-radius:9px;border:none;font-weight:500;font-size:.9rem;transition:all .2s;white-space:nowrap}
.btn-sm{padding:7px 16px;font-size:.82rem;border-radius:7px}
.btn-lg{padding:13px 28px;font-size:1rem;font-weight:600;border-radius:10px}
.btn-xl{padding:16px 36px;font-size:1.05rem;font-weight:700;border-radius:12px}
.btn-full{width:100%}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(30,58,138,.3)}
.btn-secondary{background:var(--purple);color:#fff}
.btn-secondary:hover{background:var(--purple-dark);transform:translateY(-1px)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dark);transform:translateY(-1px)}
.btn-outline{background:transparent;border:2px solid var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-ghost{background:var(--bg3);color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--border);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#DC2626}
.btn-grad{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff}
.btn-grad:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 20px rgba(124,58,237,.35)}
.btn-white{background:#fff;color:var(--navy);font-weight:700}
.btn-white:hover{background:#F0F4FF;transform:translateY(-2px)}
.btn-outline-white{background:rgba(255,255,255,.12);color:#fff;border:2px solid rgba(255,255,255,.3)}
.btn-outline-white:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

/* ── FORMS ── */
.form-group{margin-bottom:18px}
.form-label{display:block;font-weight:600;font-size:.85rem;color:var(--text2);margin-bottom:6px}
.form-input{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:9px;font-size:.9rem;background:var(--bg);color:var(--text);transition:border-color .2s,box-shadow .2s;outline:none}
.form-input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(30,58,138,.1)}
.form-error{font-size:.78rem;color:var(--danger);margin-top:4px}
textarea.form-input{resize:vertical;min-height:90px}
select.form-input{appearance:none}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:600px){.two-col{grid-template-columns:1fr}}

/* ── CARDS ── */
.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}

/* ── BADGE ── */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:100px;font-size:.75rem;font-weight:700}
.badge-teal{background:var(--teal-light);color:var(--teal)}
.badge-navy{background:var(--navy-light);color:var(--navy)}
.badge-purple{background:var(--purple-light);color:var(--purple)}
.badge-warn{background:rgba(245,158,11,.1);color:var(--warn)}
.badge-success{background:rgba(16,185,129,.1);color:var(--success)}
.badge-danger{background:rgba(239,68,68,.1);color:var(--danger)}

/* ── TOAST ── */
#toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toast{padding:13px 18px;border-radius:10px;font-size:.88rem;font-weight:500;box-shadow:0 8px 30px rgba(0,0,0,.15);pointer-events:all;animation:slideIn .3s ease;max-width:320px;display:flex;align-items:center;gap:10px}
.toast-success{background:#059669;color:#fff}
.toast-error{background:#DC2626;color:#fff}
.toast-info{background:var(--navy);color:#fff}
@keyframes slideIn{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}
@keyframes fadeOut{to{opacity:0;transform:translateX(40px)}}

/* ── MODAL ── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:1000;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:var(--bg);border-radius:var(--radius-lg);padding:28px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);position:relative;animation:modalIn .25s ease}
.modal-lg{max-width:820px}
@keyframes modalIn{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.modal-title{font-size:1.15rem;font-weight:700}
.modal-close{background:var(--bg3);border:none;width:32px;height:32px;border-radius:8px;cursor:pointer;color:var(--text2);display:flex;align-items:center;justify-content:center;font-size:1rem}
.modal-close:hover{background:var(--border)}

/* ── NAV ── */
#main-nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:500;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 5%;gap:16px}
@media(max-width:640px){#main-nav{padding:0 16px;gap:10px}}
html,body{margin:0;padding:0}
[data-theme="dark"] #main-nav{background:rgba(15,23,42,.92)}
.nav-logo{display:flex;align-items:center;gap:8px;flex-shrink:0;cursor:pointer}
.nav-logo img{height:38px;width:auto}
.nav-logo-text{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.15rem;color:var(--navy)}
[data-theme="dark"] .nav-logo-text{color:#93C5FD}
@media(max-width:400px){.nav-logo-text{font-size:.95rem}.nav-logo img{height:30px}}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:20px;flex:1}
.nav-links a{font-size:.92rem;font-weight:600;color:var(--text2);transition:color .2s;cursor:pointer}
.nav-links a:hover,.nav-links a.active{color:var(--navy)}
[data-theme="dark"] .nav-links a:hover,[data-theme="dark"] .nav-links a.active{color:#93C5FD}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.theme-toggle{width:36px;height:36px;border:1px solid var(--border);border-radius:9px;background:var(--bg2);cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all .2s}
.theme-toggle:hover{background:var(--bg3)}
.user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;font-weight:700;font-size:.82rem;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0}
.nav-user-pill{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;background:var(--bg2);border:1px solid var(--border);border-radius:100px;cursor:pointer;transition:all .2s}
.nav-user-pill:hover{border-color:var(--navy);background:var(--navy-light)}
.nav-user-info{display:flex;flex-direction:column;line-height:1.2}
.nav-user-name{font-size:.82rem;font-weight:600;color:var(--text)}
.nav-user-role{font-size:.7rem;color:var(--text2)}
.nav-caret{font-size:.7rem;color:var(--text2);margin-left:2px}
.nav-notif-btn{width:36px;height:36px;border-radius:10px;background:var(--bg2);border:1px solid var(--border);cursor:pointer;position:relative;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all .2s}
.nav-notif-btn:hover{background:var(--bg3);border-color:var(--navy)}
.nav-notif-dropdown{position:absolute;top:calc(100% + 10px);right:0;width:320px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);z-index:600;overflow:hidden;max-height:380px;overflow-y:auto}
#nav-user{position:relative;display:flex;align-items:center;flex-shrink:0}
.user-dropdown{display:none;position:absolute;top:calc(var(--nav-h) - 4px);right:5%;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:240px;z-index:600;padding:6px}
.user-dropdown.open{display:block}
.user-dropdown a,.user-dropdown button{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;font-size:.88rem;color:var(--text);width:100%;text-align:left;background:none;border:none;cursor:pointer;transition:background .15s}
.user-dropdown a:hover,.user-dropdown button:hover{background:var(--bg3)}
/* Dropdown items */
.dd-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;font-size:.875rem;font-weight:500;color:var(--text2);cursor:pointer;transition:all .15s;width:100%;text-align:left;background:none;border:none}
.dd-item:hover{background:var(--bg3);color:var(--text)}
.dd-icon{width:28px;height:28px;border-radius:7px;display:flex;align-items:center;justify-content:center;background:var(--bg3);flex-shrink:0;color:var(--text2);transition:all .15s}
.dd-item:hover .dd-icon{background:var(--border);color:var(--text)}
.dd-logout{color:#ef4444}
.dd-logout:hover{background:rgba(239,68,68,.08);color:#dc2626}
.dd-icon-red{background:rgba(239,68,68,.08);color:#ef4444}
.dd-logout:hover .dd-icon-red{background:rgba(239,68,68,.16)}
@media(max-width:860px){.nav-user-info,.nav-caret{display:none}}
@media(max-width:640px){.nav-links{display:none}}

/* ── Mobile Nav Hamburger & Drawer ── */
.nav-hamburger{display:none;align-items:center;justify-content:center;width:36px;height:36px;background:linear-gradient(135deg,var(--navy),var(--purple));border:none;border-radius:10px;cursor:pointer;flex-shrink:0;box-shadow:0 2px 8px rgba(30,58,138,.25);transition:opacity .2s}
.nav-hamburger:hover{opacity:.85}
.nav-hamburger svg{pointer-events:none}
[data-theme="dark"] .nav-hamburger{background:linear-gradient(135deg,var(--navy),var(--purple))}
@media(max-width:640px){
  .nav-hamburger{display:flex}
  #nav-user,#nav-guest{display:none !important}
  .admin-hamburger{display:none !important}
  .mobile-nav-drawer{display:flex;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--bg);border-bottom:2px solid var(--border);z-index:499;padding:10px 12px 14px;flex-direction:column;gap:2px;transform:translateY(-110%);transition:transform .3s cubic-bezier(.4,0,.2,1);pointer-events:none;box-shadow:0 8px 24px rgba(30,58,138,.10)}
  [data-theme="dark"] .mobile-nav-drawer{background:var(--bg)}
  .mobile-nav-drawer.open{display:flex;transform:translateY(0);pointer-events:auto}
  #nav-guest{display:none}
}
.mobile-nav-drawer{display:none}
/* Mobile nav item — matches admin sidebar style */
.mnl-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;font-size:.9rem;font-weight:500;color:var(--text2);cursor:pointer;transition:all .15s;text-decoration:none;width:100%;background:none;border:none;text-align:left}
.mnl-item:hover{background:var(--bg3);color:var(--text)}
.mnl-icon{width:30px;height:30px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--bg3);flex-shrink:0;color:var(--text2);transition:all .15s}
.mnl-item:hover .mnl-icon{background:var(--border);color:var(--text)}
.mnl-logout{color:#ef4444}
.mnl-logout:hover{background:rgba(239,68,68,.08) !important;color:#dc2626 !important}
.mnl-icon-red{background:rgba(239,68,68,.08) !important;color:#ef4444 !important}
.mnl-logout:hover .mnl-icon-red{background:rgba(239,68,68,.16) !important}

/* ── HERO ── */
.hero{padding:calc(var(--nav-h) + 60px) 5% 80px;min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;background:var(--bg)}
@media(max-width:640px){.hero{padding:calc(var(--nav-h) + 24px) 5% 60px;align-items:flex-start;min-height:auto}}
.hero-bg{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 60% 50% at 75% 40%,rgba(124,58,237,.08) 0%,transparent 70%),radial-gradient(ellipse 40% 40% at 20% 70%,rgba(13,148,136,.06) 0%,transparent 70%)}
.hero-split{display:flex;align-items:center;justify-content:space-between;gap:40px;width:100%}
.hero-content{max-width:580px;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--teal-light);border:1px solid rgba(13,148,136,.25);color:var(--teal);padding:5px 14px;border-radius:100px;font-size:.8rem;font-weight:600;margin-bottom:22px}
.pulse-dot{width:7px;height:7px;background:var(--teal);border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;color:var(--navy);line-height:1.12;letter-spacing:-1.5px;margin-bottom:18px}
[data-theme="dark"] .hero h1{color:#93C5FD}
.hero h1 .grad{background:linear-gradient(135deg,var(--purple),var(--teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.05rem;font-weight:500;color:var(--text2);line-height:1.7;margin-bottom:32px;max-width:480px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:flex;gap:32px}
.stat-num{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.4rem;color:var(--navy)}
[data-theme="dark"] .stat-num{color:#93C5FD}
.stat-lbl{font-size:.8rem;color:var(--text2);margin-top:2px}
.hero-visual-panel{flex-shrink:0;width:min(440px,44vw);position:relative;min-height:360px;display:flex;align-items:center;justify-content:center}
.hv-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:0 16px 48px rgba(30,58,138,.12),0 2px 8px rgba(0,0,0,.05);padding:20px;position:absolute}
.hv-card-main{width:280px;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;animation:hvMain 6s ease-in-out infinite}
@keyframes hvMain{0%,100%{transform:translate(-50%,-50%) translateY(0)}50%{transform:translate(-50%,-50%) translateY(-10px)}}
.hv-badge-1{text-align:center;padding:14px 18px;top:4%;right:0;z-index:4;animation:hvF1 7s ease-in-out infinite reverse}
.hv-badge-2{padding:12px 16px;bottom:12%;left:0;z-index:4;white-space:nowrap;animation:hvF2 8s ease-in-out 1s infinite}
.hv-badge-3{padding:12px 16px;top:8%;left:4%;z-index:4;animation:hvF3 6s ease-in-out 2s infinite reverse}
@keyframes hvF1{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes hvF2{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes hvF3{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hv-orb{position:absolute;border-radius:50%;pointer-events:none;z-index:1}
.hv-orb-1{width:200px;height:200px;top:10%;right:5%;background:radial-gradient(circle,rgba(124,58,237,.15),transparent 70%);animation:hvF1 9s ease-in-out infinite}
.hv-orb-2{width:150px;height:150px;bottom:5%;left:10%;background:radial-gradient(circle,rgba(13,148,136,.12),transparent 70%);animation:hvF2 7s ease-in-out 3s infinite reverse}
@media(max-width:900px){.hero-split{flex-direction:column}.hero-visual-panel{display:none}}

/* ── SECTIONS ── */
.section{padding:88px 5%}
.section-alt{background:var(--bg2)}
.section-tag{font-size:.75rem;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--purple);margin-bottom:10px;display:block}
.section-title{font-size:clamp(1.3rem,2.5vw,1.75rem);font-weight:700;color:var(--navy);letter-spacing:-.5px;margin-bottom:12px}
[data-theme="dark"] .section-title{color:#93C5FD}
.section-sub{font-size:.95rem;color:var(--text2);line-height:1.7;max-width:520px}
.section-header{margin-bottom:52px}
.section-hdr-flex{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:24px}

/* ── OFFER BANNER ── */
.offer-banner{background:linear-gradient(135deg,var(--teal),#0A9E91);color:#fff;padding:14px 5%;display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:var(--nav-h)}
.offer-badge{background:rgba(255,255,255,.2);padding:3px 11px;border-radius:100px;font-size:.75rem;font-weight:700}
.offer-cta{background:#fff;color:var(--teal);padding:6px 18px;border-radius:6px;font-weight:700;font-size:.82rem;border:none;cursor:pointer;transition:all .2s}
.offer-cta:hover{background:rgba(255,255,255,.9);transform:scale(1.03)}

/* ── COURSE CARDS ── */
.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;align-items:stretch}
.course-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:0;transition:all .3s;cursor:pointer;position:relative;overflow:hidden;display:flex;flex-direction:column;height:100%}
.course-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:var(--navy);transition:background .3s;z-index:1}
.course-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.course-card:hover::before{background:linear-gradient(90deg,var(--purple),var(--teal))}
.course-card-body{padding:18px 20px;display:flex;flex-direction:column;flex:1}
.course-emoji{font-size:2rem;margin-bottom:14px;display:block}
.course-name{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;color:var(--text);margin-bottom:7px}
.course-desc{font-size:.84rem;color:var(--text2);line-height:1.6;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.course-price{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.1rem;color:var(--navy)}
[data-theme="dark"] .course-price{color:#93C5FD}

/* ── FEATURES ── */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:768px){.features-grid{grid-template-columns:1fr}}
.feature-card{padding:26px;border-radius:var(--radius-lg);background:var(--bg2);border:1px solid var(--border);transition:transform .2s}
.feature-card:hover{transform:translateY(-3px)}
.feature-icon{width:46px;height:46px;border-radius:11px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:1.2rem}
.fi-n{background:var(--navy-light)}.fi-p{background:var(--purple-light)}.fi-t{background:var(--teal-light)}
.feature-title{font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;color:var(--text);margin-bottom:7px}
.feature-text{font-size:.85rem;color:var(--text2);line-height:1.65}

/* ── CTA ── */
.cta-section{background:linear-gradient(135deg,var(--navy) 0%,#2D4FC7 50%,#3730A3 100%);color:#fff;text-align:center;padding:90px 5%;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 100%,rgba(124,58,237,.3),transparent 70%);pointer-events:none}
.cta-section .section-tag{color:rgba(255,255,255,.6)}
.cta-section .section-title{color:#fff;margin:0 auto 12px}
.cta-section .section-sub{color:rgba(255,255,255,.7);margin:0 auto 36px}

/* ── FOOTER ── */
footer{background:var(--navy);color:#fff;padding:56px 5% 28px}
[data-theme="dark"] footer{background:#020817}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;margin-bottom:44px}
.footer-desc{font-size:.88rem;font-weight:500;color:rgba(255,255,255,.65);line-height:1.7;margin-top:12px;max-width:260px}
.footer-col h4{font-family:'Poppins',sans-serif;font-weight:700;font-size:.92rem;margin-bottom:18px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:.86rem;font-weight:500;color:rgba(255,255,255,.6);transition:color .2s;cursor:pointer}
.footer-col a:hover{color:var(--teal)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:.8rem;color:rgba(255,255,255,.35)}
.social-row{display:flex;gap:8px;margin-top:18px}
.social-btn{width:34px;height:34px;border-radius:8px;background:rgba(255,255,255,.1);color:#fff;display:flex;align-items:center;justify-content:center;transition:background .2s;text-decoration:none}
.social-btn:hover{background:var(--purple)}
.social-btn svg{width:16px;height:16px;fill:currentColor}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* ── AUTH ── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 16px 24px;background:var(--bg)}
.auth-box{width:100%;max-width:420px}
.auth-logo{text-align:center;margin-bottom:28px}
.auth-logo img{height:52px;width:auto}
.auth-title{font-size:1.5rem;font-weight:700;color:var(--text);text-align:center;margin-bottom:6px}
.auth-sub{font-size:.88rem;color:var(--text2);text-align:center;margin-bottom:28px}
.auth-link{text-align:center;font-size:.88rem;color:var(--text2);margin-top:20px}
.auth-link a{color:var(--navy);font-weight:600;cursor:pointer}
[data-theme="dark"] .auth-link a{color:#93C5FD}

/* ── DASHBOARD LAYOUT ── */
.dash-layout{display:flex;min-height:100vh;padding-top:var(--nav-h)}

/* ════════════════════════════════════════
   NEW SIDEBAR — Brand + User card + Nav
═══════════════════════════════════════ */
.sidebar{
  width:256px;flex-shrink:0;
  background:var(--bg);
  border-right:1.5px solid var(--border);
  padding:0;
  position:sticky;top:var(--nav-h);
  height:calc(100vh - var(--nav-h));
  overflow-y:auto;overflow-x:hidden;
  display:flex;flex-direction:column;
  box-shadow:2px 0 16px rgba(30,58,138,.04);
  scrollbar-width:thin;scrollbar-color:var(--border) transparent;
}
.sidebar::-webkit-scrollbar{width:4px}
.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

/* Brand header */
.sidebar-brand{
  display:flex;align-items:center;gap:10px;
  padding:20px 18px 0;
  flex-shrink:0;
}
.sidebar-logo{height:32px;width:auto;border-radius:6px}
.sidebar-brand-name{
  font-family:'Poppins',sans-serif;font-weight:700;font-size:1.1rem;
  color:var(--navy);letter-spacing:-.3px;
}
[data-theme="dark"] .sidebar-brand-name{color:#93C5FD}

/* Admin badge */
.sidebar-brand-admin{align-items:flex-start;padding-bottom:0}
.sidebar-brand-admin .sidebar-brand-name{line-height:1}
.sidebar-admin-badge{
  display:inline-block;background:linear-gradient(135deg,var(--navy),var(--purple));
  color:#fff;font-size:.55rem;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:2px 7px;border-radius:4px;margin-top:3px;
}

/* User card */
.sidebar-user-card{
  display:flex;align-items:center;gap:11px;
  margin:14px 12px 8px;
  padding:12px 14px;
  background:linear-gradient(135deg,var(--navy-light),rgba(124,58,237,.06));
  border:1px solid rgba(30,58,138,.12);
  border-radius:12px;flex-shrink:0;
}
[data-theme="dark"] .sidebar-user-card{
  background:rgba(30,58,138,.2);border-color:rgba(30,58,138,.35);
}
.sidebar-avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--navy),var(--purple));
  color:#fff;font-weight:700;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
}
.sidebar-user-info{flex:1;min-width:0}
.sidebar-user-name{
  font-weight:700;font-size:.88rem;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sidebar-user-role{
  font-size:.7rem;color:var(--text2);margin-top:1px;
}

/* Nav structure */
.sidebar-nav{flex:1;padding:4px 0 8px;overflow-y:auto}
.sidebar-nav-group{padding:0 10px;margin-bottom:4px}
.sidebar-group-label{
  font-size:.63rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--text2);display:block;padding:12px 10px 5px;opacity:.7;
}

/* Nav items */
.sidebar-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;
  font-size:.875rem;font-weight:500;
  color:var(--text2);cursor:pointer;
  transition:all .15s;
  width:100%;text-align:left;background:none;border:none;
  position:relative;
}
.sidebar-item:hover{
  background:var(--bg3);color:var(--text);
}
.sidebar-item.active{
  background:linear-gradient(135deg,var(--navy-light),rgba(124,58,237,.07));
  color:var(--navy);font-weight:600;
  border:1px solid rgba(30,58,138,.12);
}
[data-theme="dark"] .sidebar-item.active{
  color:#93C5FD;background:rgba(30,58,138,.25);border-color:rgba(30,58,138,.4);
}

/* Icon wrapper */
.si-icon-wrap{
  width:28px;height:28px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg3);flex-shrink:0;
  transition:all .15s;color:var(--text2);
}
.sidebar-item:hover .si-icon-wrap{background:var(--border);color:var(--text)}
.sidebar-item.active .si-icon-wrap,
.si-icon-wrap.si-active{
  background:linear-gradient(135deg,var(--navy),var(--purple));
  color:#fff;
}
[data-theme="dark"] .si-icon-wrap{background:var(--bg3)}

/* Logout button */
.sidebar-logout-btn{color:#ef4444 !important;}
.sidebar-logout-btn:hover{background:rgba(239,68,68,.08) !important;color:#dc2626 !important}
.sidebar-logout-btn .si-icon-wrap{background:rgba(239,68,68,.07) !important;color:#ef4444 !important}
.sidebar-logout-btn:hover .si-icon-wrap{background:rgba(239,68,68,.14) !important}

/* Footer */
.sidebar-footer{
  padding:8px 10px 16px;
  border-top:1px solid var(--border);
  margin-top:auto;flex-shrink:0;
}

/* Legacy: keep si-icon for any remaining emoji usage */
.si-icon{font-size:1rem;width:20px;text-align:center}

.dash-main{flex:1;padding:32px;min-width:0}

/* ── ADMIN MOBILE HAMBURGER ── */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:199;backdrop-filter:blur(2px)}
.sidebar-overlay.open{display:block}
.admin-hamburger{display:none;position:fixed;top:calc(var(--nav-h) + 10px);left:12px;z-index:201;background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff;border:none;border-radius:10px;width:40px;height:40px;cursor:pointer;align-items:center;justify-content:center;box-shadow:0 3px 12px rgba(30,58,138,.35);transition:opacity .2s}
.admin-hamburger:hover{opacity:.85}
.admin-hamburger svg{pointer-events:none}

@media(max-width:960px){
  .admin-hamburger{display:flex}
  .sidebar{
    position:fixed;top:var(--nav-h);left:0;
    height:calc(100vh - var(--nav-h));
    z-index:200;
    transform:translateX(-100%);
    transition:transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow:4px 0 24px rgba(30,58,138,.15);
  }
  .sidebar.mobile-open{transform:translateX(0)}
  .dash-main{padding:20px 16px;padding-top:60px}
}
@media(max-width:640px){
  .admin-hamburger{display:none !important}
  .dash-main{padding:20px 16px !important;padding-top:20px !important}
}

/* ── STATS CARDS ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:18px;margin-bottom:28px}
.stat-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:transform .2s}
.stat-card:hover{transform:translateY(-2px)}
.stat-card-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:var(--bg2);margin-bottom:12px}
.stat-card-val{font-family:'Poppins',sans-serif;font-weight:600;font-size:1.35rem;color:var(--navy);line-height:1}
[data-theme="dark"] .stat-card-val{color:#93C5FD}
.stat-card-lbl{font-size:.8rem;color:var(--text2);margin-top:4px}

/* ── TABLES ── */
.table-wrap{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.table-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.table-title{font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;color:var(--text)}
table{width:100%;border-collapse:collapse}
th{padding:11px 16px;text-align:left;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text2);background:var(--bg2);border-bottom:1px solid var(--border)}
td{padding:13px 16px;font-size:.88rem;color:var(--text);border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg2)}

/* ── ADMIN FILTERS (side-by-side like reviews) ── */
.admin-filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.admin-filters select,.admin-filters input{flex:1;min-width:120px;max-width:260px}

/* ── PROGRESS ── */
.progress-wrap{height:8px;background:var(--bg3);border-radius:100px;overflow:hidden}
.progress-fill{height:100%;border-radius:100px;transition:width .6s ease;background:linear-gradient(90deg,#1E3A8A,#7C3AED)}

/* ── COURSE DETAIL ── */
.course-detail-layout{display:grid;grid-template-columns:1fr 360px;gap:28px;max-width:1140px;margin:0 auto}
@media(max-width:960px){.course-detail-layout{grid-template-columns:1fr}}
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:24px}
.tab-btn{padding:10px 20px;border:none;background:none;font-size:.88rem;font-weight:500;color:var(--text2);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}
.tab-btn.active{color:var(--navy);border-bottom-color:var(--navy);font-weight:600}
[data-theme="dark"] .tab-btn.active{color:#93C5FD;border-bottom-color:#93C5FD}
.tab-content{display:none}
.tab-content.active{display:block}
.enroll-sticky{position:sticky;top:calc(var(--nav-h) + 20px);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.video-player-wrap{background:#000;border-radius:var(--radius);aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;margin-bottom:20px;overflow:hidden;position:relative}
.video-player-wrap video{width:100%;height:100%;object-fit:contain}
.video-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy),#2D4FC7);color:#fff;font-size:3rem;cursor:pointer}
.lesson-list{list-style:none}
.lesson-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--border);border-radius:9px;margin-bottom:7px;cursor:pointer;transition:all .15s;background:var(--bg)}
.lesson-item:hover{border-color:var(--navy);background:var(--navy-light)}
.lesson-item.active-lesson{border-color:var(--navy);background:var(--navy-light)}
.lesson-item.completed{border-color:var(--teal-dark)}
.lesson-num{font-family:'Poppins',sans-serif;font-weight:700;font-size:.78rem;color:var(--text2);min-width:28px}
.lesson-name{font-size:.87rem;font-weight:500;color:var(--text);flex:1}
.section-header-item{padding:8px 14px;background:var(--bg2);border-radius:8px;margin-bottom:6px;font-size:.82rem;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.5px}
.review-card{border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:12px;background:var(--bg2)}
.review-stars{color:var(--warn);margin-bottom:6px}

/* ── ADMIN ── */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;transition:all .2s;color:var(--text2)}
.upload-zone:hover{border-color:var(--navy);background:var(--navy-light)}
.upload-zone.drag-over{border-color:var(--teal);background:var(--teal-light)}
.bar-chart{display:flex;align-items:flex-end;gap:8px;height:140px;padding:0}
.bar-item{flex:1;display:flex;flex-direction:column;align-items:center}
.bar{width:100%;background:linear-gradient(to top,#1E3A8A,#7C3AED);border-radius:5px 5px 0 0;min-height:2px;transition:height .5s ease;cursor:default}
.bar:hover{opacity:.85}
.bar-lbl{font-size:.68rem;color:var(--text2);margin-top:5px;text-align:center;font-weight:500}
.progress-upload{height:6px;background:var(--border);border-radius:100px;overflow:hidden;margin-top:8px}
.progress-upload-fill{height:100%;background:linear-gradient(90deg,var(--navy),var(--purple));border-radius:100px;transition:width .2s}
.video-info{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--teal-light);border:1px solid rgba(13,148,136,.25);border-radius:9px;font-size:.84rem;color:var(--teal);margin-top:10px}

/* ── MISC ── */
.empty-state{text-align:center;padding:52px 20px;color:var(--text2)}
.empty-state-icon{font-size:2.5rem;margin-bottom:12px}
.empty-state-title{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;color:var(--text);margin-bottom:6px}
.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--navy);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.divider{border:none;border-top:1px solid var(--border);margin:20px 0}
.mt-4{margin-top:16px}.mt-6{margin-top:24px}.mt-8{margin-top:32px}
.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.text-sm{font-size:.82rem}.text-muted{color:var(--text2)}.text-center{text-align:center}
.fw-700{font-weight:700}.fw-600{font-weight:600}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}



/* ══════════════════════════════════════════════════════
   LEARN PAGE  ·  Tirovers — Sidebar slide + proper fonts
   ══════════════════════════════════════════════════════ */

#page-learn { background:var(--bg); padding-top:var(--nav-h); min-height:100vh; }

.learn-body { display:flex; min-height:calc(100vh - var(--nav-h)); position:relative; }
.learn-main { flex:1; display:flex; flex-direction:column; min-width:0; background:var(--bg); }

/* ── Sidebar: smooth width collapse ── */
.learn-sidebar {
  width:320px; flex-shrink:0;
  background:var(--bg); border-right:1.5px solid var(--border);
  height:calc(100vh - var(--nav-h));
  position:sticky; top:var(--nav-h);
  overflow-y:auto; overflow-x:hidden;
  display:flex; flex-direction:column;
  box-shadow:2px 0 16px rgba(30,58,138,.04);
  scrollbar-width:thin; scrollbar-color:var(--border) transparent;
  transition:width .28s cubic-bezier(.4,0,.2,1), opacity .25s ease, border-width .28s ease;
}
.learn-sidebar::-webkit-scrollbar{width:3px}
.learn-sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* Hidden: collapse to 0 */
.learn-sidebar-hidden .learn-sidebar {
  width:0; opacity:0; border-width:0; pointer-events:none; overflow:hidden;
}

/* ── Close chevron (top-left of video) ── */
.learn-sidebar-close-btn {
  position:absolute; top:12px; left:12px; z-index:20;
  width:32px; height:32px; border-radius:50%;
  background:rgba(0,0,0,.5); backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,.18); color:#fff;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all .15s; opacity:.75;
}
.learn-sidebar-close-btn:hover{opacity:1;background:rgba(30,58,138,.75);}
.learn-sidebar-close-btn.hidden{display:none}

/* ── Floating pill: slides in from left when sidebar hidden ── */
.learn-sidebar-pill {
  position:fixed; left:0; top:50%;
  transform:translateY(-50%) translateX(-100%);
  z-index:200;
  background:linear-gradient(135deg,var(--navy),var(--purple));
  color:#fff; border:none;
  border-radius:0 12px 12px 0;
  /* Collapsed: just the arrow icon */
  padding:13px 10px 13px 10px;
  font-size:.84rem; font-weight:700;
  font-family:'DM Sans',sans-serif;
  cursor:pointer;
  display:flex; align-items:center; gap:0;
  box-shadow:4px 0 18px rgba(30,58,138,.35);
  transition:transform .28s cubic-bezier(.4,0,.2,1),
             opacity .25s ease,
             padding .22s ease,
             gap .22s ease;
  opacity:0; pointer-events:none;
  overflow:hidden;
  white-space:nowrap;
}
.learn-sidebar-pill.visible {
  transform:translateY(-50%) translateX(0);
  opacity:1; pointer-events:auto;
}
/* Label hidden by default, slides in on hover */
.learn-sidebar-pill .pill-label {
  max-width:0; overflow:hidden;
  transition:max-width .22s ease, opacity .2s ease;
  opacity:0;
  font-size:.84rem; font-weight:700;
}
.learn-sidebar-pill:hover {
  background:linear-gradient(135deg,#152B5C,#5B21B6);
  padding:13px 16px 13px 12px;
  gap:8px;
}
.learn-sidebar-pill:hover .pill-label {
  max-width:140px; opacity:1;
}

/* ══════════════════════════════════════
   LEARN SIDEBAR — matches admin sidebar exactly
   ══════════════════════════════════════ */

/* Head area */
.ls-head{
  padding:12px 10px 10px;
  border-bottom:1px solid var(--border);
  flex-shrink:0;background:var(--bg);
  position:sticky;top:0;z-index:4;
}

/* Back button — identical to .sidebar-item */
.ls-back{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;
  font-size:.875rem;font-weight:500;
  color:var(--text2);cursor:pointer;
  transition:all .15s;
  width:100%;text-align:left;background:none;border:none;
  margin-bottom:6px;
}
.ls-back:hover{background:var(--bg3);color:var(--text)}
.ls-back-icon{
  width:28px;height:28px;border-radius:7px;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg3);flex-shrink:0;transition:all .15s;color:var(--text2);
}
.ls-back:hover .ls-back-icon{background:var(--border);color:var(--text)}

/* Course + progress card */
.ls-info-card{
  margin:2px 2px 6px;
  padding:11px 13px;
  background:linear-gradient(135deg,var(--navy-light),rgba(124,58,237,.06));
  border:1px solid rgba(30,58,138,.12);
  border-radius:12px;
}
[data-theme="dark"] .ls-info-card{background:rgba(30,58,138,.2);border-color:rgba(30,58,138,.35)}

.ls-info-card-top{display:flex;align-items:center;gap:11px;margin-bottom:10px}
.ls-course-icon{
  width:40px;height:40px;border-radius:9px;flex-shrink:0;overflow:hidden;
  background:linear-gradient(135deg,var(--navy),var(--purple));
  display:flex;align-items:center;justify-content:center;font-size:1rem;
}
.ls-course-info{flex:1;min-width:0}
.ls-course-title{
  font-family:Poppins,sans-serif;font-weight:700;font-size:.82rem;
  color:var(--text);line-height:1.35;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ls-course-sub{font-size:.68rem;color:var(--text2);margin-top:2px}
.ls-course-pct{
  font-family:Poppins,sans-serif;font-weight:800;font-size:.9rem;
  color:var(--navy);flex-shrink:0;
}
[data-theme="dark"] .ls-course-pct{color:#93c5fd}

/* Progress bar — clearly visible */
.ls-prog-track{
  height:8px;
  background:var(--border);
  border-radius:100px;overflow:hidden;
}
.ls-prog-fill{
  height:100%;border-radius:100px;
  transition:width .6s cubic-bezier(.4,0,.2,1);
}

/* Certificate button */
.ls-cert-btn{
  display:flex;align-items:center;justify-content:center;gap:7px;
  width:100%;margin:6px 0 2px;padding:10px 12px;border-radius:10px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--teal),var(--teal-dark));
  color:#fff;font-size:.84rem;font-weight:700;
  transition:opacity .15s,transform .15s;
  box-shadow:0 2px 10px rgba(13,148,136,.25);
}
.ls-cert-btn:hover{opacity:.9;transform:translateY(-1px)}

/* Section nav wrapper */
.ls-nav{flex:1;padding:4px 0 24px;overflow-y:auto}

/* Section group label — identical to .sidebar-group-label */
/* Section header — visually heavier/bigger than lesson rows */
.ls-sec-hd{
  display:flex;align-items:center;width:calc(100% - 16px);
  padding:11px 14px;gap:8px;
  border:1px solid var(--border);
  cursor:pointer;text-align:left;
  background:var(--bg2);
  border-radius:10px;
  margin:8px 8px 0;
  transition:background .12s;
}
.ls-sec:first-child .ls-sec-hd{margin-top:4px}
.ls-sec-hd:hover{background:var(--bg3)}
.ls-sec-label{
  font-size:.92rem;font-weight:700;letter-spacing:-.1px;
  color:var(--text);flex:1;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.ls-sec-right{display:flex;align-items:center;gap:7px;flex-shrink:0}
.ls-sec-count{
  font-size:.68rem;font-weight:600;
  color:var(--text2);
  background:var(--bg);border:1px solid var(--border);
  padding:2px 9px;border-radius:20px;
}
.ls-sec-count.done{color:#0D9488;background:rgba(13,148,136,.08);border-color:rgba(13,148,136,.25)}
.ls-chev{color:var(--text2);opacity:.6;flex-shrink:0;transition:transform .22s cubic-bezier(.4,0,.2,1)}
.ls-open .ls-chev{transform:rotate(180deg)}
.ls-sec-body{overflow:hidden;max-height:0;transition:max-height .3s ease}
.ls-open .ls-sec-body{max-height:3000px;padding-bottom:4px}

/* Lesson rows */
.ls-item{
  display:flex;align-items:center;gap:10px;
  padding:8px 12px;border-radius:10px;
  font-size:.855rem;font-weight:500;
  color:var(--text2);cursor:pointer;
  transition:all .15s;
  width:calc(100% - 16px);margin:1px 8px;
  text-align:left;background:none;border:none;
}
.ls-item:hover{background:var(--bg3);color:var(--text)}
.ls-item.ls-active{
  background:linear-gradient(135deg,var(--navy-light),rgba(124,58,237,.07));
  color:var(--navy);font-weight:600;
  border:1px solid rgba(30,58,138,.14);
  box-shadow:0 1px 6px rgba(30,58,138,.08);
}
[data-theme="dark"] .ls-item.ls-active{color:#93c5fd;background:rgba(30,58,138,.25);border-color:rgba(30,58,138,.4)}

/* Icon — 3 states */
.ls-icon{
  width:28px;height:28px;border-radius:7px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg3);transition:all .15s;color:var(--text2);
}
.ls-item:hover .ls-icon{background:var(--border);color:var(--text)}
.ls-icon-play{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff}
.ls-icon-done{background:rgba(13,148,136,.12);color:#0D9488}
.ls-icon-locked{background:rgba(100,100,100,.1);color:var(--text2);opacity:.7}
.ls-item.ls-active .ls-icon-idle{background:linear-gradient(135deg,var(--navy),var(--purple));color:#fff}
.ls-item.ls-locked{opacity:.6;cursor:pointer}
.ls-item.ls-locked .ls-item-name{color:var(--text2)}

/* Lesson name + badges */
.ls-item-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.ls-item-name{font-size:.855rem;font-weight:500;color:inherit;line-height:1.4;flex:1;min-width:0}
.ls-item.ls-done .ls-item-name{color:var(--text)}

/* Badges — hidden always */
.ls-badges{display:none}

/* Progress hint mini badges */
.ls-prog-hints{display:flex;gap:3px;align-items:center}
.ls-mini-badge{font-size:.65rem;opacity:.4;filter:grayscale(1)}
.ls-mini-badge.done{opacity:1;filter:none}


/* ── Video ── */
.learn-video-wrap{position:relative;background:#000;flex-shrink:0;width:100%}
.learn-video-area{width:100%;aspect-ratio:16/9;max-height:60vh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#000;transition:max-height .3s ease}
.learn-sidebar-hidden .learn-video-area{max-height:76vh}
.learn-video-area video{width:100%;height:100%;object-fit:contain}

/* ── Tab bar ── */
.learn-tabbar{display:flex;border-bottom:1px solid var(--border);background:var(--bg);overflow-x:auto;flex-shrink:0}
.learn-tab-btn{padding:14px 22px;color:var(--text2);font-size:.88rem;font-weight:600;cursor:pointer;border:none;background:none;border-bottom:2.5px solid transparent;transition:all .17s;white-space:nowrap;flex-shrink:0;font-family:'DM Sans',sans-serif}
.learn-tab-btn.active{color:var(--navy);border-bottom-color:var(--navy)}
.learn-tab-btn:hover:not(.active){color:var(--navy);background:var(--navy-light)}
.learn-tab-panel{display:none}
.learn-tab-panel.active{display:block}

/* ── Misc ── */
.toggle-switch{width:44px;height:24px;background:var(--border);border-radius:12px;position:relative;cursor:pointer;transition:background .25s;flex-shrink:0}
.toggle-switch.on{background:var(--teal)}
.toggle-knob{width:20px;height:20px;background:#fff;border-radius:50%;position:absolute;top:2px;left:2px;transition:left .25s;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.toggle-switch.on .toggle-knob{left:22px}
.quiz-required-banner{background:rgba(251,191,36,.06);border:1px solid rgba(251,191,36,.25);border-radius:10px;padding:12px 16px;margin-bottom:18px;display:flex;align-items:flex-start;gap:10px}
.quiz-required-banner .qrb-icon{font-size:1.1rem;flex-shrink:0;margin-top:1px}
.quiz-required-banner .qrb-text{font-size:.84rem;color:var(--text);line-height:1.5}
.quiz-required-banner .qrb-text strong{color:#f59e0b;font-weight:700}
.btn-mark-complete{background:var(--teal);color:#fff;border:none;padding:10px 22px;border-radius:10px;font-weight:700;font-size:.88rem;cursor:pointer;transition:all .2s}
.btn-mark-complete:hover{background:var(--teal-dark);transform:translateY(-1px)}
.btn-mark-complete:disabled{background:#94a3b8;cursor:not-allowed;transform:none}
.btn-mark-complete.locked{background:#64748b;cursor:not-allowed}
.learn-qa-item{background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:14px}
.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.analytics-stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:6px}
.analytics-stat-card .asc-label{font-size:.72rem;color:var(--text2);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.analytics-stat-card .asc-value{font-size:1.45rem;font-weight:700;font-family:Poppins,sans-serif;color:var(--text)}
.analytics-stat-card .asc-sub{font-size:.72rem;color:var(--text2)}
.progress-bar-mini{height:6px;background:var(--border);border-radius:4px;overflow:hidden}
.progress-bar-mini-fill{height:100%;background:linear-gradient(90deg,#1E3A8A,#7C3AED);border-radius:4px;transition:width .4s}
.progress-bar-mini-fill.green{background:linear-gradient(90deg,#1E3A8A,#7C3AED)}
.progress-bar-mini-fill.yellow{background:linear-gradient(90deg,#f59e0b,#d97706)}
.student-row{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .15s;border-radius:8px;padding:10px 12px}
.student-row:hover{background:var(--bg2)}
.student-row .sr-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--purple));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.8rem;flex-shrink:0}
.student-row .sr-info{flex:1;min-width:0}
.student-row .sr-name{font-weight:700;font-size:.88rem;color:var(--text)}
.student-row .sr-email{font-size:.75rem;color:var(--text2)}
.student-row .sr-stats{display:flex;gap:16px;font-size:.75rem;color:var(--text2);text-align:right}
.student-row .sr-stats span{display:flex;flex-direction:column}
.student-row .sr-stats strong{font-size:.9rem;color:var(--text);font-weight:700}
#modal-forgot-password .modal-box{max-width:420px}
.cert-toggle-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--border)}
.cert-toggle-row label{font-size:.88rem;font-weight:600;color:var(--text)}
.cert-toggle-row .toggle-hint{font-size:.75rem;color:var(--text2);margin-top:2px}
.quiz-correct-answer-field{margin-top:10px}
.quiz-correct-answer-field label{font-size:.78rem;font-weight:700;color:var(--teal);display:block;margin-bottom:4px}
.quiz-correct-answer-field input,.quiz-correct-answer-field select{width:100%;padding:7px 12px;border:1.5px solid var(--teal);border-radius:8px;background:var(--bg);color:var(--text);font-size:.85rem}

@media(max-width:900px){
  .learn-body{flex-direction:column}
  .learn-sidebar{width:100%;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border)}
  .learn-sidebar-hidden .learn-sidebar{width:100%;height:0;opacity:0}
}

/* Lesson drag-and-drop */
.lesson-sort-item.drag-over-top { border-top: 2px solid var(--purple) !important; }
.lesson-sort-item.drag-over-bot { border-bottom: 2px solid var(--purple) !important; }
.lesson-sort-item:hover .drag-handle { opacity: .75 !important; }
.drag-handle:active { cursor: grabbing; }