/* ============================================================
   ISSCA Academy — Premium "Liquid Glass" theme
   (shares the verify portal's design language)
   Cormorant (display serif) + Montserrat (sans) · dark blue + orange
   ============================================================ */

:root{
  --bg-0:#040a1c; --bg-1:#071230; --bg-2:#0c1d4a;
  --glass:rgba(10,26,64,.55);
  --glass-2:rgba(16,36,82,.6);
  --line:rgba(150,180,255,.15);
  --line-soft:rgba(150,180,255,.08);

  --gold:#ff8a4d; --gold-deep:#e85525; --gold-soft:#ff9c63;
  --blue:#3f7bff; --blue-deep:#0834b4; --blue-soft:#7aa4ff;
  --text:#eaf1ff; --muted:#a6b6db; --faint:#7384a6;

  --ok:#46e0a8; --ok-deep:#1ba97a; --ok-glow:rgba(70,224,168,.5);
  --bad:#ff6b81; --bad-deep:#e1455f; --bad-glow:rgba(255,107,129,.42);
  --warn:#ff9a4d; --warn-glow:rgba(255,154,77,.42);

  --serif:'Cormorant',Georgia,'Times New Roman',serif;
  --sans:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;

  --radius:22px; --radius-sm:14px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 30px 80px -30px rgba(0,0,0,.85), 0 2px 8px rgba(0,0,0,.4);
  --shadow-soft:0 18px 50px -24px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);color:var(--text);background:var(--bg-0);
  line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;
  letter-spacing:.1px;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:-20% -10% -10% -10%;z-index:-2;
  background:
    radial-gradient(40% 44% at 12% 6%, rgba(63,123,255,.26), transparent 70%),
    radial-gradient(44% 50% at 90% 14%, rgba(255,138,77,.16), transparent 72%),
    radial-gradient(52% 58% at 82% 98%, rgba(8,52,180,.34), transparent 72%),
    radial-gradient(46% 50% at 4% 94%, rgba(232,85,37,.12), transparent 72%);
  filter:saturate(125%);animation:drift 22s var(--ease) infinite alternate;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(120% 100% at 50% -10%, transparent 52%, rgba(2,6,18,.6) 100%),
    linear-gradient(180deg, rgba(4,9,22,.25), rgba(4,9,22,.7));
}
@keyframes drift{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-3%,2%,0) scale(1.08)}}

a{color:var(--gold-soft);text-decoration:none}
a:hover{color:#fff}
::selection{background:rgba(255,138,77,.3);color:#fff}

.container{max-width:760px;margin:0 auto;padding:0 20px}
.container-wide{max-width:1180px;margin:0 auto;padding:0 22px}
img{max-width:100%}
/* Inline icon SVGs default to a sane size; context rules below override. */
svg{width:18px;height:18px;flex:0 0 auto}

/* ---- Top bar ---- */
.topbar{position:sticky;top:0;z-index:30;padding:14px 0}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 20px;border-radius:18px;
  background:var(--glass);backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border:1px solid var(--line);box-shadow:var(--shadow-soft);
}
.brand{display:flex;align-items:center;gap:13px;color:var(--text)}
.brand-logo{height:32px;width:auto;display:block}
.auth-logo .brand-logo{height:50px;margin:0 auto}
.brand-sub{font-size:10.5px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--faint);
  border-left:1px solid var(--line);padding-left:12px;margin-left:12px}
.topbar nav{display:flex;gap:6px;align-items:center}
.topbar nav a{color:var(--muted);font-size:13.5px;font-weight:500;padding:8px 13px;border-radius:10px;transition:.2s var(--ease)}
.topbar nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.topbar nav a.active{color:var(--gold-soft);background:rgba(255,138,77,.1)}
.topbar nav a.navbtn{color:#fff;background:linear-gradient(135deg,#ff7a3d,#e0481c);box-shadow:0 10px 24px -12px rgba(232,85,37,.7)}
.topbar nav a.navbtn:hover{color:#fff}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  font-weight:700;font-size:14px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-deep))}
.navbadge{display:inline-flex;min-width:18px;height:18px;padding:0 5px;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;border-radius:999px;background:linear-gradient(135deg,#ff7a3d,#e0481c);color:#fff;margin-left:2px}

/* ---- Hero ---- */
.hero{text-align:center;padding:64px 0 30px;animation:rise .8s var(--ease) both}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;padding:7px 15px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--gold-soft);background:rgba(255,138,77,.08);border:1px solid rgba(255,138,77,.2)}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px var(--gold)}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(40px,7vw,66px);line-height:1.04;margin:0 0 16px;letter-spacing:.5px;
  background:linear-gradient(180deg,#fff 30%, #d9cdb8 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .gold{background:linear-gradient(135deg,var(--gold-soft),var(--gold-deep));-webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic}
.hero p{color:var(--muted);max-width:560px;margin:0 auto;font-size:16px}

/* ---- Glass card ---- */
.glass,.card{position:relative;border-radius:var(--radius);
  background:var(--glass);backdrop-filter:blur(26px) saturate(150%);-webkit-backdrop-filter:blur(26px) saturate(150%);
  border:1px solid var(--line);box-shadow:var(--shadow)}
.glass::before,.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.07),transparent 26%)}
.card-pad{padding:30px}
.section{padding:30px 0 70px}

/* ---- Inputs ---- */
input[type=text],input[type=email],input[type=password],input[type=date],input[type=search],input[type=number],input[type=url],select,textarea{
  width:100%;padding:13px 15px;border-radius:13px;font-size:15px;font-family:inherit;color:var(--text);
  background:rgba(255,255,255,.04);border:1px solid var(--line);transition:.2s var(--ease)}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(255,138,77,.55);
  background:rgba(255,255,255,.06);box-shadow:0 0 0 4px rgba(255,138,77,.12)}
input[type=file]{padding:11px 14px;color:var(--muted)}
input[type=file]::file-selector-button{margin-right:12px;padding:8px 14px;border-radius:9px;border:none;cursor:pointer;
  background:rgba(255,138,77,.14);color:var(--gold-soft);font-family:inherit;font-weight:600;font-size:13px}
label{display:block;font-size:12px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.field{margin-bottom:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.help{font-size:12.5px;color:var(--faint);margin-top:7px;text-transform:none;letter-spacing:0}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  padding:13px 22px;border-radius:13px;border:1px solid transparent;
  font-family:var(--sans);font-size:14.5px;font-weight:600;letter-spacing:.3px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn-sm svg{width:16px;height:16px}
.btn-primary{color:#fff;background:linear-gradient(135deg,#ff7a3d,#e0481c);box-shadow:0 12px 28px -10px rgba(232,85,37,.6), inset 0 1px 1px rgba(255,255,255,.35)}
.btn-primary:hover{box-shadow:0 16px 38px -10px rgba(232,85,37,.82), inset 0 1px 1px rgba(255,255,255,.35);color:#fff}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.04);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-success{color:#04130d;background:linear-gradient(135deg,#5ef0bd,#1ba97a);box-shadow:0 12px 28px -12px rgba(70,224,168,.6)}
.btn-success:hover{color:#04130d}
.btn-danger{color:#fff;background:linear-gradient(135deg,#ff6f86,#d63a54);box-shadow:0 12px 28px -12px rgba(225,69,95,.6)}
.btn-danger:hover{color:#fff}
.btn-sm{padding:9px 14px;font-size:13px;border-radius:11px}
.btn-block{width:100%}

/* ---- Course grid + cards ---- */
.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:14px 0 0}
.course-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);text-align:left;
  color:var(--text);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.course-card:hover{transform:translateY(-4px);color:var(--text)}
.course-card:hover .cc-cover img{transform:scale(1.06)}
.cc-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--bg-2),var(--bg-1))}
.cc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.cc-cover .ph{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);font-size:40px;color:rgba(255,255,255,.25)}
.cc-price{position:absolute;top:12px;right:12px;padding:7px 13px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(4,9,22,.7);backdrop-filter:blur(10px);border:1px solid var(--line);color:#fff}
.cc-price.free{color:var(--ok);border-color:rgba(70,224,168,.35)}
.cc-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.cc-level{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--gold-soft)}
.cc-title{font-family:var(--serif);font-weight:600;font-size:21px;line-height:1.2;color:#fff;margin:0}
.cc-sub{color:var(--muted);font-size:13.5px;line-height:1.5;margin:0;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cc-meta{display:flex;align-items:center;gap:14px;margin-top:6px;padding-top:14px;border-top:1px solid var(--line-soft);
  color:var(--faint);font-size:12.5px;font-weight:500}
.cc-meta .m{display:inline-flex;align-items:center;gap:6px}
.cc-meta svg{width:15px;height:15px;opacity:.8}

/* ---- Course detail ---- */
.cdetail{display:grid;grid-template-columns:1fr 360px;gap:34px;align-items:start;margin-top:26px}
.cd-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:12px;font-weight:600;
  letter-spacing:.6px;color:var(--gold-soft);background:rgba(255,138,77,.08);border:1px solid rgba(255,138,77,.2)}
.cd-title{font-family:var(--serif);font-weight:600;font-size:clamp(32px,5vw,46px);line-height:1.08;margin:16px 0 12px;color:#fff}
.cd-sub{color:var(--muted);font-size:17px;max-width:620px}
.cd-stats{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 6px}
.cd-stats .s{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:12px;font-size:13.5px;
  color:var(--text);background:rgba(255,255,255,.04);border:1px solid var(--line-soft)}
.cd-stats svg{width:16px;height:16px;color:var(--gold-soft)}
.prose{color:var(--muted);font-size:15.5px;line-height:1.75}
.prose p{margin:0 0 14px}
.h-sec{font-family:var(--serif);font-weight:600;font-size:26px;color:#fff;margin:36px 0 16px}

/* purchase / enroll card */
.buybox{position:sticky;top:88px;padding:8px}
.buybox .cover{aspect-ratio:16/9;border-radius:16px;overflow:hidden;margin-bottom:18px;background:linear-gradient(135deg,var(--bg-2),var(--bg-1))}
.buybox .cover img{width:100%;height:100%;object-fit:cover}
.buybox .price{font-family:var(--serif);font-weight:700;font-size:40px;color:#fff;line-height:1;padding:4px 4px 2px}
.buybox .price small{font-family:var(--sans);font-size:15px;color:var(--faint);font-weight:500}
.buybox .price.free{color:var(--ok)}
.buybox .incl{margin:18px 0 4px;padding:0;list-style:none;display:flex;flex-direction:column;gap:11px}
.buybox .incl li{display:flex;align-items:flex-start;gap:11px;color:var(--muted);font-size:14px}
.buybox .incl svg{width:18px;height:18px;color:var(--gold-soft);flex:0 0 auto;margin-top:1px}

/* ---- Curriculum ---- */
.curriculum{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--glass);box-shadow:var(--shadow-soft)}
.cur-sec{border-top:1px solid var(--line-soft)}
.cur-sec:first-child{border-top:none}
.cur-sec-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;background:rgba(255,255,255,.02)}
.cur-sec-head h4{margin:0;font-size:15px;font-weight:600;color:#fff}
.cur-sec-head .n{font-size:12.5px;color:var(--faint)}
.lesson-row{display:flex;align-items:center;gap:14px;padding:13px 20px;border-top:1px solid var(--line-soft);
  color:var(--text);transition:background .15s var(--ease)}
a.lesson-row:hover{background:rgba(255,255,255,.04);color:var(--text)}
.lesson-row .lic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);color:var(--muted)}
.lesson-row .lic svg{width:15px;height:15px}
.lesson-row.done .lic{background:rgba(70,224,168,.14);border-color:rgba(70,224,168,.3);color:var(--ok)}
.lesson-row .lt{flex:1;font-size:14.5px;font-weight:500}
.lesson-row .lt small{display:block;color:var(--faint);font-size:12px;font-weight:400;margin-top:1px}
.lesson-row .ld{color:var(--faint);font-size:12.5px;white-space:nowrap}
.lesson-row .free-tag{font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--ok);
  padding:3px 9px;border-radius:999px;background:rgba(70,224,168,.1);border:1px solid rgba(70,224,168,.25)}

/* ---- Progress bar ---- */
.progress{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.progress > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--gold));transition:width .4s var(--ease)}
.progress.sm{height:6px}
.prog-label{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:7px}

/* ---- Badges / chips ---- */
.chip{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.6px}
.chip.ok{color:var(--ok);background:rgba(70,224,168,.1);border:1px solid rgba(70,224,168,.25)}
.chip.muted{color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line-soft)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.4px}
.badge::before{content:"";width:6px;height:6px;border-radius:50%}
.badge.published{color:var(--ok);background:rgba(70,224,168,.1)} .badge.published::before{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.badge.draft{color:var(--warn);background:rgba(255,154,77,.1)} .badge.draft::before{background:var(--warn);box-shadow:0 0 8px var(--warn)}
.badge.paid{color:var(--ok);background:rgba(70,224,168,.1)} .badge.paid::before{background:var(--ok)}
.badge.pending{color:var(--warn);background:rgba(255,154,77,.1)} .badge.pending::before{background:var(--warn)}
.badge.failed{color:var(--bad);background:rgba(255,107,129,.1)} .badge.failed::before{background:var(--bad)}

/* ---- Alerts ---- */
.alert{padding:13px 16px;border-radius:13px;margin-bottom:18px;font-size:14px;border:1px solid;backdrop-filter:blur(10px)}
.alert-success{background:rgba(70,224,168,.08);color:#9ff0cf;border-color:rgba(70,224,168,.28)}
.alert-error{background:rgba(255,138,155,.08);color:#ffc0c9;border-color:rgba(255,138,155,.28)}
.alert-info{background:rgba(255,138,77,.07);color:var(--gold-soft);border-color:rgba(255,138,77,.22)}

/* ---- Empty state ---- */
.empty{text-align:center;padding:70px 24px;color:var(--muted)}
.empty .ic{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;margin:0 auto 18px;
  background:rgba(255,255,255,.04);border:1px solid var(--line)}
.empty .ic svg{width:30px;height:30px;color:var(--faint)}
.empty h3{font-family:var(--serif);font-weight:600;font-size:24px;color:#fff;margin:0 0 8px}

/* ---- Lesson player (Phase 2) ---- */
.player{display:grid;grid-template-columns:1fr 340px;gap:0;min-height:calc(100vh - 70px)}
.player-main{padding:24px}
.player-video{aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000;box-shadow:var(--shadow)}
.player-video video{width:100%;height:100%;display:block;background:#000}
.player-side{border-left:1px solid var(--line);background:rgba(7,18,48,.5);max-height:calc(100vh - 70px);overflow-y:auto}
.player-side .ps-head{padding:18px 20px;border-bottom:1px solid var(--line-soft);position:sticky;top:0;background:var(--glass-2);backdrop-filter:blur(14px);z-index:2}

/* ---- Auth ---- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:430px;animation:rise .7s var(--ease) both}
.auth-logo{text-align:center;margin-bottom:24px}
.auth-alt{text-align:center;margin-top:18px;color:var(--muted);font-size:14px}

/* ---- Misc ---- */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin:30px 0 22px}
.page-head h1{font-family:var(--serif);font-weight:600;font-size:30px;margin:0;letter-spacing:.4px}
.muted{color:var(--muted)}
.faint{color:var(--faint)}
.actions{display:flex;gap:9px;flex-wrap:wrap}
.mono{font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:13.5px;letter-spacing:.5px;color:var(--gold-soft)}
h3.t{font-family:var(--serif);font-weight:600;font-size:21px;margin:0 0 16px;color:#fff}
.foot{padding:34px 20px;text-align:center;color:var(--faint);font-size:12.5px}
hr.sep{border:none;border-top:1px solid var(--line-soft);margin:18px 0}

/* admin list table */
.table-wrap{overflow-x:auto;border-radius:var(--radius);-webkit-overflow-scrolling:touch}
table.list{width:100%;border-collapse:separate;border-spacing:0;border-radius:var(--radius);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(20px) saturate(150%);border:1px solid var(--line);box-shadow:var(--shadow-soft)}
table.list th,table.list td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line-soft);font-size:13.5px;vertical-align:middle}
table.list th{color:var(--faint);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:1px;background:rgba(255,255,255,.02)}
table.list tbody tr:hover{background:rgba(255,255,255,.035)}
table.list tr:last-child td{border-bottom:none}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0 6px}
.stat{display:flex;align-items:center;gap:14px;padding:18px 20px}
.stat .ic{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;flex:0 0 auto}
.stat .ic svg{width:22px;height:22px}
.stat .ic.b{background:rgba(63,123,255,.16);color:#7aa4ff}
.stat .ic.o{background:rgba(255,138,77,.16);color:var(--gold-soft)}
.stat .ic.g{background:rgba(70,224,168,.16);color:var(--ok)}
.stat .k{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--faint);font-weight:600}
.stat .v{font-family:var(--serif);font-size:30px;font-weight:700;line-height:1;color:#fff;margin-top:3px}

/* reveal */
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.reveal{animation:rise .7s var(--ease) both}
.d1{animation-delay:.05s}.d2{animation-delay:.1s}.d3{animation-delay:.15s}.d4{animation-delay:.2s}

/* ---- Responsive ---- */
@media(max-width:980px){
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .cdetail{grid-template-columns:1fr}
  .buybox{position:static}
  .player{grid-template-columns:1fr}
  .player-side{border-left:none;border-top:1px solid var(--line);max-height:none}
}
@media(max-width:640px){
  .course-grid{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .topbar nav a{padding:7px 9px;font-size:12.5px}
  .card-pad{padding:22px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  body::before{animation:none}
}