/* =========================================================================
   SKILLORA ACADEMY — student app shell
   Loaded after style.css. Structured, scannable, low-distraction: the
   opposite posture to the marketing pages, same visual identity.
   ========================================================================= */

/* ------------------------------ app shell ------------------------------ */
.app{
  --side-w:264px;
  --top-h:66px;
  min-block-size:100dvh;
  display:grid;
  /* the sidebar is the first column, which in RTL is the right-hand side */
  grid-template-columns:var(--side-w) minmax(0,1fr);
  background:var(--bg);
}
.app.is-collapsed{--side-w:78px}

.side{
  position:sticky;inset-block-start:0;block-size:100dvh;
  display:flex;flex-direction:column;
  background:var(--ink-900);color:#A6B0C2;
  border-inline-start:1px solid rgba(255,255,255,.07);
  transition:inline-size var(--d2) var(--ease);
}
[data-theme="dark"] .side{background:#0A0D13}
.side__head{
  display:flex;align-items:center;gap:.6rem;
  padding:1rem 1.15rem;min-block-size:var(--top-h);
  border-block-end:1px solid rgba(255,255,255,.07);
}
.side__head .brand{color:#fff;min-inline-size:0}
.side__head .brand small{color:#7C879B}
.side__nav{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:1rem .75rem}
.side__group + .side__group{margin-block-start:1.5rem}
.side__label{
  font-size:var(--fs-2xs);letter-spacing:.08em;text-transform:uppercase;
  color:#5A6478;padding-inline:.65rem;margin-block-end:.5rem;font-family:var(--font-lat);
}
.side__link{
  display:flex;align-items:center;gap:.75rem;
  padding:.7rem .65rem;border-radius:var(--r-sm);
  font-size:var(--fs-sm);color:#A6B0C2;min-block-size:44px;
  transition:background-color var(--d1) var(--ease),color var(--d1) var(--ease);
}
.side__link:hover{background:rgba(255,255,255,.06);color:#fff}
.side__link[aria-current="page"]{background:var(--cobalt);color:#fff}
.side__link svg{inline-size:1.15rem;block-size:1.15rem;flex:none}
.side__link .n{
  margin-inline-start:auto;font-size:var(--fs-2xs);font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.1);padding:.1rem .45rem;border-radius:var(--r-pill);
}
.side__link[aria-current="page"] .n{background:rgba(255,255,255,.22)}
.side__foot{flex:none;padding:1rem .75rem;border-block-start:1px solid rgba(255,255,255,.07)}
.side__cta{
  display:block;padding:1rem;border-radius:var(--r);
  background:linear-gradient(140deg,var(--cobalt-700),var(--violet));color:#fff;
}
.side__cta b{display:block;font-size:var(--fs-sm);font-weight:600}
.side__cta span{display:block;font-size:var(--fs-2xs);color:rgba(255,255,255,.78);margin-block-start:.25rem}

.app.is-collapsed .side__label,
.app.is-collapsed .side__link span:not(.n),
.app.is-collapsed .side__cta,
.app.is-collapsed .brand small,
.app.is-collapsed .brand > span{display:none}
.app.is-collapsed .side__link{justify-content:center;padding-inline:0}
.app.is-collapsed .side__link .n{display:none}

.app__main{min-inline-size:0;min-block-size:100dvh;display:flex;flex-direction:column}

.topbar{
  position:sticky;inset-block-start:0;z-index:40;
  display:flex;align-items:center;gap:.65rem;
  min-block-size:var(--top-h);padding-inline:clamp(1rem,2.5vw,2rem);
  background:color-mix(in srgb,var(--bg) 90%,transparent);
  backdrop-filter:saturate(150%) blur(10px);-webkit-backdrop-filter:saturate(150%) blur(10px);
  border-block-end:1px solid var(--line);
}
@supports not (background:color-mix(in srgb,red 50%,blue)){ .topbar{background:var(--bg)} }
.topbar__title{font-size:var(--fs-sm);font-weight:600;min-inline-size:0}
.topbar__title span{display:block;font-size:var(--fs-2xs);font-weight:400;color:var(--fg-3)}
.topbar__search{margin-inline-start:auto;inline-size:min(300px,34vw)}
.topbar__search .input{min-block-size:42px}
.topbar__actions{display:flex;align-items:center;gap:.3rem;margin-inline-start:auto}
.topbar__search + .topbar__actions{margin-inline-start:0}

.avatar-btn{
  display:flex;align-items:center;gap:.55rem;padding:.3rem .55rem .3rem .3rem;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--surface);
  min-block-size:44px;transition:border-color var(--d1) var(--ease);
}
.avatar-btn:hover{border-color:var(--slate-300)}
.avatar{
  inline-size:34px;block-size:34px;border-radius:var(--r-pill);flex:none;
  display:grid;place-items:center;font-size:var(--fs-xs);font-weight:700;color:#fff;
  background:linear-gradient(140deg,var(--cobalt),var(--violet));
}
.avatar--lg{inline-size:76px;block-size:76px;font-size:1.5rem}
.avatar-btn b{font-size:var(--fs-xs);font-weight:600;white-space:nowrap}

.menu-pop{
  position:absolute;inset-block-start:calc(100% + 8px);inset-inline-start:0;
  min-inline-size:220px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r);box-shadow:var(--sh-3);padding:.4rem;z-index:50;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity var(--d1) var(--ease),transform var(--d1) var(--ease),visibility 0s linear var(--d1);
}
.menu-pop.is-open{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.menu-pop a,.menu-pop button{
  display:flex;align-items:center;gap:.6rem;inline-size:100%;
  padding:.6rem .65rem;border-radius:var(--r-sm);font-size:var(--fs-sm);color:var(--fg-2);
  min-block-size:42px;text-align:start;
}
.menu-pop a:hover,.menu-pop button:hover{background:var(--surface-2);color:var(--fg)}
.menu-pop svg{inline-size:1.05rem;block-size:1.05rem;flex:none}
.menu-pop hr{border:0;border-block-start:1px solid var(--line-soft);margin:.35rem 0}
.menu-pop__head{padding:.65rem;border-block-end:1px solid var(--line-soft);margin-block-end:.35rem}
.menu-pop__head b{display:block;font-size:var(--fs-sm)}
.menu-pop__head span{font-size:var(--fs-2xs);color:var(--fg-3)}
.pop-wrap{position:relative}

.notif{max-inline-size:320px}
.notif li{padding:.65rem;border-radius:var(--r-sm);display:flex;gap:.65rem;align-items:flex-start}
.notif li + li{margin-block-start:.15rem}
.notif__dot{inline-size:8px;block-size:8px;border-radius:var(--r-pill);background:var(--cobalt);flex:none;margin-block-start:.5rem}
.notif__dot--read{background:var(--line)}
.notif b{display:block;font-size:var(--fs-xs);font-weight:600}
.notif span{font-size:var(--fs-2xs);color:var(--fg-3)}

.app__body{flex:1;padding:clamp(1.25rem,2.5vw,2rem);min-inline-size:0}
.app__body > * + *{margin-block-start:clamp(1.25rem,2.5vw,2rem)}

/* ------------------------------ dash bits ------------------------------ */
.welcome{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;align-items:center;
  padding:clamp(1.25rem,2.5vw,2rem);border-radius:var(--r-lg);
  background:linear-gradient(120deg,var(--cobalt-700),var(--violet));color:#fff;position:relative;overflow:hidden;
}
.welcome::after{
  content:"";position:absolute;inset-block-start:-60%;inset-inline-start:-5%;
  inline-size:45%;block-size:200%;background:radial-gradient(closest-side,rgba(255,255,255,.16),transparent 70%);
}
.welcome > *{position:relative;z-index:1}
.welcome h1{font-size:var(--fs-h2);margin-block-end:.4rem}
.welcome p{color:rgba(255,255,255,.84);font-size:var(--fs-sm);max-width:52ch}
.welcome__actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-block-start:1.1rem}
.welcome .btn--primary{background:#fff;color:var(--cobalt-700);border-color:#fff}
.welcome .btn--ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.32)}
.welcome__ring{display:grid;place-items:center;gap:.4rem}
.welcome__ring .ring__track{stroke:rgba(255,255,255,.24)}
.welcome__ring .ring__val{stroke:#fff}
.welcome__ring .ring__label b{color:#fff}
.welcome__ring .ring__label span{color:rgba(255,255,255,.75)}

.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(.75rem,1.5vw,1.15rem)}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:1.1rem 1.2rem;display:grid;gap:.5rem;align-content:start;
}
.stat__top{display:flex;align-items:center;gap:.6rem;font-size:var(--fs-xs);color:var(--fg-2)}
.stat__top svg{inline-size:1rem;block-size:1rem;color:var(--fg-3)}
.stat__v{font-size:1.65rem;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.stat__v small{font-size:var(--fs-xs);font-weight:400;color:var(--fg-3);margin-inline-start:.25rem}
.stat__sub{font-size:var(--fs-2xs);color:var(--fg-3)}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.panel__head{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:1.05rem 1.25rem;border-block-end:1px solid var(--line-soft);
}
.panel__head h2{font-size:var(--fs-h4)}
.panel__head p{font-size:var(--fs-2xs);color:var(--fg-3);margin-block-start:.15rem}
.panel__body{padding:1.25rem}
.panel__body--flush{padding:0}
.panel__foot{padding:.9rem 1.25rem;border-block-start:1px solid var(--line-soft);background:var(--surface-2)}

.dash-cols{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(1rem,2vw,1.5rem);align-items:start}
.dash-cols--even{grid-template-columns:repeat(2,minmax(0,1fr))}

/* continue-learning strip */
.continue{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:1.15rem;align-items:center;
  padding:1.15rem 1.25rem;
}
.continue__media{inline-size:120px;aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;background:var(--ink-800);flex:none}
.continue__media img{inline-size:100%;block-size:100%;object-fit:cover}
.continue h3{font-size:var(--fs-h4);margin-block-end:.3rem}
.continue__sub{font-size:var(--fs-xs);color:var(--fg-2);margin-block-end:.7rem}
.continue .bar{max-inline-size:420px}
.continue__pct{font-size:var(--fs-2xs);color:var(--fg-3);margin-block-start:.4rem;font-variant-numeric:tabular-nums}

/* enrolled course rows */
.c-row{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:1.15rem;align-items:center;
  padding:1rem 1.25rem;
}
.c-row + .c-row{border-block-start:1px solid var(--line-soft)}
.c-row__media{inline-size:96px;aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;background:var(--ink-800);flex:none}
.c-row__media img{inline-size:100%;block-size:100%;object-fit:cover}
.c-row h3{font-size:var(--fs-sm);font-weight:600;margin-block-end:.25rem}
.c-row__meta{font-size:var(--fs-2xs);color:var(--fg-3);display:flex;gap:.75rem;flex-wrap:wrap;margin-block-end:.55rem}
.c-row__side{display:flex;align-items:center;gap:.75rem;flex:none}

/* activity chart */
.chart{inline-size:100%;block-size:auto;display:block;overflow:visible}
.chart text{font-family:var(--font);font-size:11px;fill:var(--fg-3)}
.chart .grid-line{stroke:var(--line-soft);stroke-width:1}
.chart .bar-v{fill:var(--cobalt);transition:fill var(--d1) var(--ease)}
.chart .bar-v.is-low{fill:var(--line)}
.chart .area{fill:var(--cobalt);opacity:.1}
.chart .line{fill:none;stroke:var(--cobalt);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.chart .dot{fill:var(--surface);stroke:var(--cobalt);stroke-width:2.2}
.chart-legend{display:flex;flex-wrap:wrap;gap:.5rem 1.15rem;font-size:var(--fs-2xs);color:var(--fg-3);margin-block-start:.85rem}
.chart-legend span{display:inline-flex;align-items:center;gap:.4rem}
.chart-legend i{inline-size:10px;block-size:10px;border-radius:3px;display:inline-block}
.chart-table{overflow-x:auto}

/* heat strip */
.heat{display:grid;grid-template-columns:repeat(7,1fr);gap:5px}
.heat__cell{aspect-ratio:1;border-radius:4px;background:var(--line-soft)}
.heat__cell[data-l="1"]{background:var(--cobalt-300)}
.heat__cell[data-l="2"]{background:var(--cobalt)}
.heat__cell[data-l="3"]{background:var(--cobalt-700)}
.heat__dow{font-size:var(--fs-2xs);color:var(--fg-3);text-align:center;padding-block-end:.35rem}

/* activity feed */
.feed{display:grid}
.feed li{display:flex;gap:.85rem;padding:.85rem 1.25rem;align-items:flex-start}
.feed li + li{border-block-start:1px solid var(--line-soft)}
.feed__mark{
  inline-size:32px;block-size:32px;border-radius:var(--r-sm);flex:none;display:grid;place-items:center;
  background:var(--surface-2);color:var(--fg-2);
}
.feed__mark svg{inline-size:.95rem;block-size:.95rem}
.feed__mark--ok{background:var(--teal-50);color:var(--teal)}
.feed__mark--violet{background:var(--violet-50);color:var(--violet)}
.feed b{font-size:var(--fs-xs);font-weight:600;display:block}
.feed span{font-size:var(--fs-2xs);color:var(--fg-3)}

/* ------------------------------- player -------------------------------- */
.player{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;
  gap:clamp(1rem,2vw,1.5rem);align-items:start;
}
.stage{
  position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;
  background:var(--ink-900);display:grid;place-items:center;color:#fff;text-align:center;
}
.stage__art{position:absolute;inset:0}
.stage__art img{inline-size:100%;block-size:100%;object-fit:cover;opacity:.42}
.stage__inner{position:relative;z-index:1;padding:1.5rem;max-inline-size:44ch}
.stage__kind{
  display:inline-flex;align-items:center;gap:.4rem;font-size:var(--fs-2xs);font-weight:600;
  padding:.25rem .7rem;border-radius:var(--r-pill);background:rgba(255,255,255,.16);margin-block-end:.9rem;
}
.stage h2{font-size:var(--fs-h2);color:#fff}
.stage p{color:rgba(255,255,255,.78);font-size:var(--fs-sm);margin-block-start:.6rem;margin-inline:auto}
.stage__note{
  position:absolute;inset-block-end:0;inset-inline:0;z-index:1;
  padding:.6rem 1rem;font-size:var(--fs-2xs);color:rgba(255,255,255,.7);
  background:linear-gradient(to top,rgba(16,19,26,.85),transparent);
}
.stage--text{aspect-ratio:auto;background:var(--surface);color:var(--fg);display:block;border:1px solid var(--line)}
.stage--text .stage__inner{max-inline-size:none;padding:clamp(1.25rem,2.5vw,2rem)}
.stage--text h2{color:var(--fg)}

.lesson-nav{display:flex;align-items:center;justify-content:space-between;gap:.75rem;flex-wrap:wrap;margin-block-start:1.15rem}
.lesson-nav__side{display:flex;gap:.5rem}

.rail{position:sticky;inset-block-start:calc(var(--top-h) + 1rem);max-block-size:calc(100dvh - var(--top-h) - 2rem);display:flex;flex-direction:column}
.rail__head{padding:1.05rem 1.15rem;border-block-end:1px solid var(--line-soft)}
.rail__head h2{font-size:var(--fs-h4);margin-block-end:.5rem}
.rail__scroll{overflow-y:auto;overscroll-behavior:contain;flex:1;min-block-size:0}
.rail .module__btn{padding:.85rem 1.05rem}
.rail .lesson-row{padding:.7rem 1.05rem;cursor:pointer;transition:background-color var(--d1) var(--ease)}
.rail .lesson-row:hover{background:var(--surface-2)}
.rail .lesson-row.is-current{background:var(--cobalt-50);color:var(--fg)}
.rail .lesson-row.is-current .lesson-row__t{font-weight:600}

.resource{
  display:flex;align-items:center;gap:.75rem;padding:.8rem 1rem;
  border:1px solid var(--line);border-radius:var(--r-sm);font-size:var(--fs-sm);
  transition:border-color var(--d1) var(--ease),background-color var(--d1) var(--ease);
}
.resource:hover{border-color:var(--slate-300);background:var(--surface-2)}
.resource svg{inline-size:1.1rem;block-size:1.1rem;color:var(--fg-3);flex:none}
.resource span{margin-inline-start:auto;font-size:var(--fs-2xs);color:var(--fg-3)}

/* ---------------------------- certificates ----------------------------- */
.cert-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1rem,2vw,1.5rem)}
.cert-card{
  display:grid;gap:1rem;padding:1.25rem;border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);
}
.cert-card__top{display:flex;align-items:flex-start;gap:.9rem}
.cert-card__seal{
  inline-size:46px;block-size:46px;border-radius:var(--r-pill);flex:none;display:grid;place-items:center;
  background:var(--cobalt-50);color:var(--cobalt);
}
.cert-card__seal svg{inline-size:1.3rem;block-size:1.3rem}
.cert-card--locked .cert-card__seal{background:var(--surface-2);color:var(--fg-3)}
.cert-card h3{font-size:var(--fs-h4);margin-block-end:.25rem}
.cert-card__meta{font-size:var(--fs-2xs);color:var(--fg-3);display:flex;gap:.75rem;flex-wrap:wrap}
.cert-card__foot{display:flex;gap:.55rem;flex-wrap:wrap;padding-block-start:.9rem;border-block-start:1px solid var(--line-soft)}

.certificate{
  --cert-ink:#10131A;
  position:relative;background:#fff;color:var(--cert-ink);
  border:1px solid #D9DEE7;border-radius:var(--r);
  padding:clamp(1.5rem,4vw,3rem);text-align:center;overflow:hidden;
}
.certificate::before{
  content:"";position:absolute;inset:10px;border:1px solid rgba(42,91,215,.28);border-radius:6px;pointer-events:none;
}
.certificate::after{
  content:"";position:absolute;inset-block-start:-30%;inset-inline-end:-15%;
  inline-size:55%;block-size:130%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(109,74,209,.1),transparent 70%);
}
.certificate > *{position:relative;z-index:1}
.certificate__brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:700;color:var(--cert-ink)}
.certificate__brand .brand__mark{inline-size:30px;block-size:30px}
.certificate__kicker{font-size:var(--fs-2xs);letter-spacing:.16em;text-transform:uppercase;color:#5A6478;margin-block:1.6rem .8rem;font-family:var(--font-lat)}
.certificate__name{font-size:clamp(1.4rem,3vw,2.1rem);font-weight:700;line-height:1.5}
.certificate__rule{inline-size:min(320px,70%);block-size:1px;background:#D9DEE7;margin:1.1rem auto}
.certificate__course{font-size:clamp(1.05rem,1.8vw,1.35rem);font-weight:600;max-width:34ch;margin-inline:auto;line-height:1.7}
.certificate__grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;
  margin-block-start:2.2rem;padding-block-start:1.4rem;border-block-start:1px solid #E7EBF1;
  font-size:var(--fs-2xs);color:#5A6478;
}
.certificate__grid b{display:block;color:var(--cert-ink);font-size:var(--fs-xs);margin-block-start:.25rem;font-variant-numeric:tabular-nums}
.certificate__note{margin-block-start:1.4rem;font-size:var(--fs-2xs);color:#7C879B;max-width:60ch;margin-inline:auto}

/* ------------------------------- profile ------------------------------- */
.profile-head{display:flex;align-items:center;gap:1.15rem;flex-wrap:wrap}
.profile-head h1{font-size:var(--fs-h2)}
.profile-head p{font-size:var(--fs-sm);color:var(--fg-2)}
.pref-row{
  display:flex;align-items:center;justify-content:space-between;gap:1.25rem;
  padding-block:1rem;border-block-end:1px solid var(--line-soft);
}
.pref-row:last-child{border-block-end:0}
.pref-row b{display:block;font-size:var(--fs-sm);font-weight:600}
.pref-row span{font-size:var(--fs-2xs);color:var(--fg-3)}
.tag-pick{display:flex;flex-wrap:wrap;gap:.5rem}

/* tabs shared by app pages */
.tabs{display:flex;gap:.25rem;border-block-end:1px solid var(--line);overflow-x:auto;scrollbar-width:none;contain:paint}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;padding:.75rem 1rem;min-block-size:46px;flex:none;
  font-size:var(--fs-sm);font-weight:500;color:var(--fg-2);
  transition:color var(--d1) var(--ease);
}
.tab:hover{color:var(--fg)}
.tab[aria-selected="true"]{color:var(--cobalt)}
.tab[aria-selected="true"]::after{
  content:"";position:absolute;inset-inline:.5rem;inset-block-end:-1px;block-size:2px;
  background:var(--cobalt);border-radius:2px;
}
.tab .n{font-size:var(--fs-2xs);color:var(--fg-3);margin-inline-start:.35rem}

/* --------------------------- app responsive ---------------------------- */
@media (max-width:1240px){
  .player{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;max-block-size:none}
  .rail__scroll{max-block-size:420px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .app{grid-template-columns:minmax(0,1fr)}
  .side{
    position:fixed;inset-block:0;inset-inline-start:0;z-index:var(--z-drawer);
    inline-size:min(300px,88vw);block-size:100dvh;
    transform:translateX(100%);visibility:hidden;
    transition:transform var(--d3) var(--ease),visibility 0s linear var(--d3);
  }
  .side.is-open{transform:translateX(0);visibility:visible;transition-delay:0s}
  .app.is-collapsed{--side-w:264px}
  .app.is-collapsed .side__label,
  .app.is-collapsed .side__link span:not(.n),
  .app.is-collapsed .side__cta,
  .app.is-collapsed .brand small,
  .app.is-collapsed .brand > span{display:revert}
  .app.is-collapsed .side__link{justify-content:flex-start;padding-inline:.65rem}
  .dash-cols,.dash-cols--even{grid-template-columns:minmax(0,1fr)}
  .cert-grid{grid-template-columns:minmax(0,1fr)}
  .topbar__search{display:none}
}
@media (max-width:760px){
  .welcome{grid-template-columns:minmax(0,1fr)}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .continue{grid-template-columns:minmax(0,1fr);gap:.9rem}
  .continue__media{inline-size:100%}
  .c-row{grid-template-columns:auto minmax(0,1fr);gap:.9rem}
  .c-row__side{grid-column:1 / -1;justify-content:space-between}
  .certificate__grid{grid-template-columns:minmax(0,1fr);text-align:start}
  .app__body{padding:1rem}
}
@media (max-width:420px){
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .c-row__media{inline-size:72px}
}

@media print{
  .side,.topbar,.lesson-nav,.cert-card__foot,.toast-stack{display:none !important}
  .app{grid-template-columns:minmax(0,1fr)}
  .app__body{padding:0}
  .certificate{border:0;box-shadow:none;page-break-inside:avoid}
  .panel{border:0}
}