/* ============================================================
   IZT — ICT WITH DULAKZHA
   Dark navy + electric blue. Shared by the site, the student
   dashboard and the admin.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;600;700&family=Inter:wght@400;500;600;700;800&family=Noto+Sans+Sinhala:wght@400;500;600;700&display=swap');

:root{
  --bg:#050A14;
  --bg-2:#070E1B;
  --surface:#0C1728;
  --surface-2:#101E33;
  --surface-3:#152845;
  --line:#17304F;
  --line-soft:#12233B;

  --brand:#2E8BFF;
  --brand-2:#6FC3FF;
  --brand-deep:#0B4FCB;
  --glow:rgba(46,139,255,.38);

  --text:#E8EFF9;
  --muted:#8CA3C0;
  --dim:#5E7492;

  --ok:#28C287;
  --warn:#F5B544;
  --error:#FF5C6B;

  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px;
  --shell:1180px;
  --display:'Chakra Petch','Inter',sans-serif;
  --body:'Inter','Noto Sans Sinhala',system-ui,sans-serif;
  --sin:'Noto Sans Sinhala','Inter',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--body);font-size:15.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 480px at 78% -8%, rgba(46,139,255,.14), transparent 60%),
    radial-gradient(700px 420px at 0% 12%, rgba(11,79,203,.10), transparent 60%);
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:var(--brand-2);text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);line-height:1.2;margin:0 0 .5em;letter-spacing:.2px}
h2{font-size:clamp(22px,3vw,30px)}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.shell{width:min(var(--shell),100% - 40px);margin-inline:auto}
.center{text-align:center}
.sin{font-family:var(--sin)}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
[data-lucide]{width:1em;height:1em;stroke-width:2}

/* ---------- Buttons ---------- */
.btn{
  --btn-bg:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  font:600 14.5px/1 var(--body);cursor:pointer;background:var(--btn-bg);color:var(--text);
  transition:transform .16s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg,.btn i{width:17px;height:17px}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;box-shadow:0 10px 26px -10px var(--glow)}
.btn--primary:hover{box-shadow:0 16px 34px -12px var(--glow)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--brand);background:rgba(46,139,255,.08)}
.btn--soft{background:rgba(46,139,255,.12);border-color:rgba(46,139,255,.35);color:var(--brand-2)}
.btn--danger{background:rgba(255,92,107,.12);border-color:rgba(255,92,107,.4);color:#FF8A94}
.btn--sm{padding:8px 15px;font-size:13px}
.btn--lg{padding:15px 30px;font-size:16px}
.btn--block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- Header ---------- */
.site-head{
  position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);
  background:rgba(5,10,20,.78);border-bottom:1px solid var(--line-soft);
}
.site-head__in{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:baseline;gap:9px;flex-shrink:0}
.logo__mark{
  font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:2px;
  background:linear-gradient(180deg,#fff 20%,var(--brand-2) 60%,var(--brand) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.logo__sub{font-size:10.5px;letter-spacing:2.4px;color:var(--muted);font-weight:600}
.nav{display:flex;gap:26px;margin-inline:auto}
.nav a{color:var(--text);font-weight:500;font-size:14.5px;position:relative;padding:6px 0}
.nav a::after{content:'';position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--brand);transition:right .25s ease}
.nav a:hover::after{right:0}
.head-actions{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:10px;color:var(--text);padding:9px;cursor:pointer}
.mobile-nav{display:none;border-top:1px solid var(--line-soft);background:var(--bg-2);padding:14px 20px 20px}
.mobile-nav.open{display:block}
.mobile-nav a{display:block;padding:12px 4px;border-bottom:1px solid var(--line-soft);color:var(--text)}
.mobile-nav .btn{margin-top:14px}
@media(max-width:860px){ .nav,.head-actions .btn--ghost{display:none} .burger{display:inline-flex} }

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:54px 0 30px}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  border:1px solid rgba(46,139,255,.35);background:rgba(46,139,255,.08);
  font-size:11.5px;letter-spacing:2.6px;font-weight:700;color:var(--brand-2);text-transform:uppercase;
}
.hero__word{
  font-family:var(--display);font-weight:700;
  font-size:clamp(76px,13vw,168px);line-height:.86;letter-spacing:-2px;margin:18px 0 4px;
  background:linear-gradient(178deg,#FFFFFF 4%,#BFD9FF 28%,var(--brand) 58%,#0C3E9E 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 12px 40px rgba(46,139,255,.45));
}
.hero__sub{font-family:var(--display);font-weight:600;font-size:clamp(20px,3.4vw,34px);margin:0 0 10px}
.hero__sub b{color:var(--brand)}
.hero__line{font-family:var(--sin);color:var(--muted);font-size:16px;margin-bottom:24px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__stats{display:flex;gap:28px;margin-top:32px;flex-wrap:wrap}
.stat{display:flex;align-items:center;gap:11px}
.stat__ico{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(46,139,255,.4);background:rgba(46,139,255,.1);color:var(--brand-2);
}
.stat__v{font-family:var(--display);font-weight:700;font-size:17px;line-height:1.1}
.stat__l{font-size:11.5px;color:var(--muted)}

/* Signature: the rotating tech ring behind the tutor photo */
.hero__figure{position:relative;display:grid;place-items:end center;min-height:440px}
.ring{position:absolute;inset:auto;top:50%;left:50%;translate:-50% -50%;border-radius:50%;pointer-events:none}
.ring--1{width:min(430px,88%);aspect-ratio:1;border:1px solid rgba(46,139,255,.35);
  box-shadow:0 0 60px rgba(46,139,255,.22) inset, 0 0 80px rgba(46,139,255,.12);}
.ring--2{width:min(360px,74%);aspect-ratio:1;border:1px dashed rgba(111,195,255,.4);animation:spin 26s linear infinite}
.ring--3{width:min(290px,60%);aspect-ratio:1;
  background:conic-gradient(from 0deg, transparent 0 62%, rgba(46,139,255,.5) 78%, transparent 92%);
  -webkit-mask:radial-gradient(circle, transparent 68%, #000 69%);
  mask:radial-gradient(circle, transparent 68%, #000 69%);
  animation:spin 9s linear infinite reverse;}
.ring--glow{width:min(320px,70%);aspect-ratio:1;background:radial-gradient(circle,rgba(46,139,255,.35),transparent 62%);filter:blur(28px)}
@keyframes spin{to{rotate:360deg}}
.hero__photo{position:relative;z-index:2;max-height:470px;width:auto;margin-inline:auto;
  filter:drop-shadow(0 26px 50px rgba(0,0,0,.6))}
.hero__photo--empty{
  width:min(320px,80%);aspect-ratio:3/4;border:1px dashed var(--line);border-radius:var(--r-lg);
  display:grid;place-content:center;gap:8px;text-align:center;color:var(--dim);
  background:rgba(255,255,255,.02);padding:20px;
}
.hero__sign{
  position:absolute;right:6px;bottom:14px;z-index:3;font-family:var(--display);
  font-size:19px;color:var(--brand-2);opacity:.9;transform:rotate(-6deg);
  text-shadow:0 0 22px var(--glow);
}
@media(max-width:900px){
  .hero{padding:26px 0 10px}
  .hero__grid{grid-template-columns:1fr;text-align:center}
  .hero__cta,.hero__stats{justify-content:center}
  .hero__figure{min-height:360px;order:2;margin-top:8px}
  .hero__photo{max-height:340px}
  .hero__sign{display:none}
  .eyebrow{letter-spacing:2px;font-size:10.5px}
}
@media(max-width:560px){
  /* Three stats wrapping as 2+1 looks broken; give them an even row instead. */
  .hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{flex-direction:column;gap:6px;text-align:center}
  .stat__ico{width:34px;height:34px}
  .stat__v{font-size:15px}
  .stat__l{font-size:10.5px}
  .hero__cta{display:grid;grid-template-columns:1fr;gap:10px;width:100%}
  .hero__cta .btn{width:100%}
}

/* ---------- Panels & cards ---------- */
.panel{
  background:linear-gradient(180deg,var(--surface),rgba(12,23,40,.6));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
}
.panel__head{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.panel__ico{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(46,139,255,.12);border:1px solid rgba(46,139,255,.3);color:var(--brand-2)}
.panel__title{font-family:var(--display);font-size:19px;letter-spacing:1.6px;margin:0;text-transform:uppercase}

.duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
@media(max-width:860px){.duo{grid-template-columns:1fr}}

.course-row{
  display:flex;align-items:center;gap:14px;padding:14px 16px;margin-bottom:10px;
  border:1px solid var(--line-soft);border-radius:var(--r);background:rgba(16,30,51,.55);
  transition:border-color .2s, transform .2s, background .2s;color:var(--text);
}
.course-row:hover{border-color:rgba(46,139,255,.55);background:rgba(21,40,69,.8);transform:translateX(4px)}
.course-row__ico{width:38px;height:38px;flex:none;border-radius:10px;display:grid;place-items:center;
  background:rgba(46,139,255,.1);border:1px solid rgba(46,139,255,.28);color:var(--brand-2)}
.course-row__t{font-weight:600;font-size:15px}
.course-row__s{font-size:12.5px;color:var(--muted);font-family:var(--sin)}
.course-row__go{margin-left:auto;color:var(--dim)}
.course-row__fee{margin-left:auto;font-size:13px;color:var(--brand-2);font-weight:600;white-space:nowrap}

.section{padding:52px 0}
.section__title{text-align:center;font-family:var(--sin);font-size:clamp(21px,3vw,29px);margin-bottom:30px}

/* ---------- Steps ---------- */
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-items:start;position:relative}
.step{text-align:center;position:relative}
.step__dot{
  width:74px;height:74px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;font-size:26px;
  border:1px solid rgba(46,139,255,.45);background:radial-gradient(circle at 50% 30%,rgba(46,139,255,.22),rgba(8,16,31,.9));
  color:var(--brand-2);box-shadow:0 0 34px -8px var(--glow);
}
.step__n{font-family:var(--display);font-size:13px;color:var(--brand);letter-spacing:2px}
.step__t{font-weight:600;font-size:15px;margin:4px 0 4px}
.step__s{font-size:13px;color:var(--muted);font-family:var(--sin)}
.step:not(:last-child)::after{
  content:'';position:absolute;top:37px;left:calc(50% + 46px);right:calc(-50% + 46px);
  border-top:1px dashed rgba(46,139,255,.35);
}
@media(max-width:640px){.step__dot{width:56px;height:56px;font-size:20px}.step:not(:last-child)::after{top:28px;left:calc(50% + 34px);right:calc(-50% + 34px)}}
@media(max-width:520px){
  /* Three columns squeezes each label onto three lines; go vertical instead. */
  .steps-row{grid-template-columns:1fr;gap:22px;max-width:330px;margin:0 auto}
  .step{
    display:grid;grid-template-columns:56px 1fr;column-gap:14px;row-gap:2px;
    text-align:left;align-items:center;
  }
  .step__dot{grid-column:1;grid-row:1/4;align-self:center;margin:0}
  .step__n{grid-column:2;grid-row:1}
  .step__t{grid-column:2;grid-row:2;margin:0}
  .step__s{grid-column:2;grid-row:3}
  .step:not(:last-child)::after{
    top:62px;bottom:-20px;left:27px;right:auto;width:0;
    border-top:0;border-left:1px dashed rgba(46,139,255,.35);
  }
}

/* ---------- Why us ---------- */
.why{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:center}
@media(max-width:860px){.why{grid-template-columns:1fr}}
.why__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 0 0 1px rgba(46,139,255,.12), 0 24px 60px -30px var(--glow)}
.why__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.why__ph{aspect-ratio:16/11;display:grid;place-content:center;color:var(--dim);background:var(--surface);gap:6px;text-align:center}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-family:var(--sin);font-size:15px}
.check-list i{color:var(--brand);flex:none;margin-top:3px;width:19px;height:19px}

/* ---------- Reviews ---------- */
.rev-wrap{position:relative}
.rev-track{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 18px;
  scrollbar-width:none}
.rev-track::-webkit-scrollbar{display:none}
.rev{
  flex:0 0 clamp(255px,29%,300px);scroll-snap-align:center;
  background:linear-gradient(180deg,var(--surface-2),rgba(12,23,40,.5));
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;position:relative;
}
.rev--hi{border-color:rgba(46,139,255,.5);box-shadow:0 0 40px -18px var(--glow)}
.rev__quote{position:absolute;top:10px;left:14px;font-size:42px;color:rgba(46,139,255,.35);font-family:Georgia,serif;line-height:1}
.rev__msg{font-family:var(--sin);font-size:14px;color:#CBD9EC;margin:22px 0 14px;min-height:96px}
.rev__stars{color:#F5B544;letter-spacing:2px;font-size:14px}
.rev__who{display:flex;align-items:center;gap:10px;margin-top:14px}
.rev__av{width:36px;height:36px;border-radius:50%;object-fit:cover;border:1px solid var(--line)}
.rev__av--ph{display:grid;place-items:center;background:rgba(46,139,255,.14);color:var(--brand-2);font-weight:700;font-size:14px}
.rev__n{font-weight:600;font-size:14px}
.rev__r{font-size:12px;color:var(--muted)}
.rev-nav{position:absolute;top:44%;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(12,23,40,.9);border:1px solid var(--line);color:var(--text);cursor:pointer;z-index:3}
.rev-nav--prev{left:-14px} .rev-nav--next{right:-14px}
.rev-nav:hover{border-color:var(--brand)}
@media(max-width:640px){.rev{flex-basis:84%}.rev-nav--prev{left:-6px}.rev-nav--next{right:-6px}}

/* ---------- Tutor ---------- */
.tutor{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center;
  background:linear-gradient(120deg,rgba(12,23,40,.9),rgba(16,30,51,.55));
  border:1px solid var(--line);border-radius:var(--r-xl);padding:26px}
@media(max-width:860px){.tutor{grid-template-columns:1fr;text-align:center}}
.tutor__img{border-radius:var(--r-lg);overflow:hidden;position:relative}
.tutor__img img{width:100%;object-fit:cover;aspect-ratio:3/4}
.tutor__ph{aspect-ratio:3/4;display:grid;place-content:center;gap:6px;color:var(--dim);
  border:1px dashed var(--line);border-radius:var(--r-lg);text-align:center;padding:16px}
.tutor__eyebrow{font-family:var(--display);letter-spacing:2px;color:var(--muted);font-size:14px}
.tutor__name{font-family:var(--display);font-size:clamp(24px,3.4vw,33px);margin:2px 0 14px}
.tutor__name b{color:var(--brand)}
.tutor__bio{font-family:var(--sin);font-size:14.5px;color:#B9C9DE}
.tutor__cta{display:inline-flex;align-items:center;gap:10px;margin-top:10px;padding:12px 22px;border-radius:999px;
  border:1px solid rgba(46,139,255,.45);background:rgba(46,139,255,.1);font-family:var(--sin);color:var(--brand-2)}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line-soft);background:var(--bg-2);margin-top:40px;padding:40px 0 22px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:26px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot h4{font-size:14px;letter-spacing:1px;margin-bottom:12px}
.foot-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.foot-links a{color:var(--muted);font-size:14px}
.foot-links a:hover{color:var(--brand-2)}
.socials{display:flex;gap:10px;margin-top:14px}
.socials a{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.02)}
.socials a:hover{border-color:var(--brand);color:var(--brand-2)}
.foot-bottom{border-top:1px solid var(--line-soft);margin-top:26px;padding-top:16px;text-align:center;color:var(--dim);font-size:12.5px}
.to-top{position:fixed;right:18px;bottom:18px;width:42px;height:42px;border-radius:50%;display:none;
  place-items:center;background:var(--surface-2);border:1px solid var(--line);color:var(--text);cursor:pointer;z-index:50}
.to-top.show{display:grid}

/* ---------- Forms ---------- */
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
input,select,textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);background:rgba(8,16,31,.85);
  border:1px solid var(--line);color:var(--text);font:inherit;font-size:14.5px;transition:border-color .18s, box-shadow .18s;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(46,139,255,.16)}
input::placeholder,textarea::placeholder{color:var(--dim)}
textarea{min-height:110px;resize:vertical}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238CA3C0' stroke-width='2'><path d='M3 5l4 4 4-4'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center}
.checkbox{display:flex;gap:9px;align-items:center;font-size:14px}
.checkbox input{width:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 14px}
@media(max-width:640px){.grid2,.grid3{grid-template-columns:1fr}}
.help{font-size:12.5px;color:var(--dim);margin-top:-8px;margin-bottom:14px}

/* OTP boxes */
.otp{display:flex;gap:10px;justify-content:center;margin:8px 0 18px}
.otp input{width:48px;height:56px;text-align:center;font-size:22px;font-family:var(--display);padding:0}

/* ---------- Alerts ---------- */
.alert{padding:12px 15px;border-radius:var(--r-sm);margin-bottom:14px;font-size:14px;border:1px solid}
.alert--success{background:rgba(40,194,135,.1);border-color:rgba(40,194,135,.35);color:#7BE3BB}
.alert--error{background:rgba(255,92,107,.1);border-color:rgba(255,92,107,.35);color:#FF9AA3}
.alert--warn{background:rgba(245,181,68,.1);border-color:rgba(245,181,68,.35);color:#F7CE84}
.alert--info{background:rgba(46,139,255,.1);border-color:rgba(46,139,255,.35);color:var(--brand-2)}

/* ---------- Auth split screen ---------- */
.auth{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.auth__art{position:relative;background:#0A1120;display:grid;place-items:center;overflow:hidden}
.auth__art img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.85}
.auth__art-fallback{position:relative;z-index:2;text-align:center;padding:40px}
.auth__art-fallback .hero__word{font-size:clamp(60px,9vw,120px)}
.auth__panel{display:grid;place-items:center;padding:48px 24px;background:var(--bg)}
.auth__box{width:min(420px,100%)}
.auth__box h1{font-family:var(--sin);font-size:clamp(19px,2.4vw,24px);text-align:center;line-height:1.5}
.auth__box .sub{text-align:center;color:var(--muted);font-size:13.5px;font-family:var(--sin);margin-bottom:26px}
.divider{display:flex;align-items:center;gap:12px;color:var(--dim);font-size:12px;margin:18px 0}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--line)}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border-radius:var(--r-sm);
  background:#fff;color:#1a1a1a;font-weight:600;font-size:14.5px;border:none;cursor:pointer}
@media(max-width:860px){.auth{grid-template-columns:1fr}.auth__art{min-height:190px}}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
th{text-align:left;padding:12px 14px;background:rgba(16,30,51,.9);color:var(--muted);font-weight:600;font-size:12.5px;
  letter-spacing:.6px;text-transform:uppercase;white-space:nowrap;border-bottom:1px solid var(--line)}
td{padding:12px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(46,139,255,.04)}

.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;font-size:11.5px;font-weight:600;border:1px solid}
.tag--ok{background:rgba(40,194,135,.12);border-color:rgba(40,194,135,.4);color:#6FE0B6}
.tag--wait{background:rgba(245,181,68,.12);border-color:rgba(245,181,68,.4);color:#F7CE84}
.tag--no{background:rgba(255,92,107,.12);border-color:rgba(255,92,107,.4);color:#FF9AA3}
.tag--info{background:rgba(46,139,255,.12);border-color:rgba(46,139,255,.4);color:var(--brand-2)}
.tag--mute{background:rgba(140,163,192,.1);border-color:var(--line);color:var(--muted)}

/* ---------- Live banner (student dashboard hero) ---------- */
.live-banner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:26px;
  background:linear-gradient(120deg,rgba(11,79,203,.35),rgba(12,23,40,.9) 60%);
  border:1px solid rgba(46,139,255,.45);
}
.live-banner::after{
  content:'';position:absolute;inset:-40% -10% auto auto;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,139,255,.4),transparent 65%);filter:blur(20px);
}
.live-banner__in{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.live-dot{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;letter-spacing:2px;color:#FF6B7A}
.live-dot::before{content:'';width:9px;height:9px;border-radius:50%;background:#FF3B50;
  box-shadow:0 0 0 0 rgba(255,59,80,.7);animation:pulse 1.6s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(255,59,80,0)}100%{box-shadow:0 0 0 0 rgba(255,59,80,0)}}
.btn--live{
  background:linear-gradient(120deg,#FF3B50,#B0122A);color:#fff;position:relative;overflow:hidden;
  box-shadow:0 12px 30px -12px rgba(255,59,80,.8);
}
.btn--live::after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.45) 45%,transparent 70%);
  translate:-120% 0;animation:sheen 2.6s ease-in-out infinite}
.btn--zoom{background:linear-gradient(120deg,#2E8BFF,#0B4FCB);color:#fff;position:relative;overflow:hidden;
  box-shadow:0 12px 30px -12px var(--glow)}
.btn--zoom::after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 20%,rgba(255,255,255,.4) 45%,transparent 70%);
  translate:-120% 0;animation:sheen 2.6s ease-in-out infinite .4s}
@keyframes sheen{0%{translate:-120% 0}55%,100%{translate:120% 0}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* ---------- Cards grid (recordings, materials, classes) ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:border-color .2s, transform .2s}
.card:hover{border-color:rgba(46,139,255,.5);transform:translateY(-3px)}
.card__media{position:relative;aspect-ratio:16/9;background:var(--surface-2);display:grid;place-items:center;color:var(--dim)}
.card__media img{width:100%;height:100%;object-fit:cover}
.card__play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(5,10,20,.35)}
.card__play span{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(46,139,255,.9);color:#fff;box-shadow:0 0 30px var(--glow)}
.card__body{padding:14px 16px}
.card__t{font-weight:600;font-size:15px;margin-bottom:4px}
.card__m{font-size:12.5px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.card.is-locked{opacity:.55}
.card.is-locked .card__media{filter:grayscale(.7)}
.lock-badge{position:absolute;top:10px;right:10px;z-index:2;background:rgba(5,10,20,.85);border:1px solid var(--line);
  border-radius:999px;padding:5px 11px;font-size:11.5px;color:var(--muted);display:flex;gap:6px;align-items:center}

.empty{border:1px dashed var(--line);border-radius:var(--r-lg);padding:38px 20px;text-align:center;color:var(--muted)}
.empty i{width:30px;height:30px;color:var(--dim);margin-bottom:8px}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:200;display:none;place-items:center;padding:20px;background:rgba(3,7,14,.82);backdrop-filter:blur(6px)}
.modal.open{display:grid}
.modal__box{width:min(760px,100%);max-height:88vh;overflow:auto;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px}
.modal__x{float:right;background:none;border:none;color:var(--muted);cursor:pointer;font-size:22px;line-height:1}
.ratio{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000}
.ratio iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* utility */
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.between{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.mt{margin-top:18px}.mt-sm{margin-top:10px}.mb{margin-bottom:18px}
.hide{display:none !important}