:root{color-scheme:light;--bg0:#f8fafc;--text0:#0f172a;--muted:#64748b;--card:hsla(0,0%,100%,.9);--cardBorder:rgba(148,163,184,.35);--navBg:rgba(248,250,252,.7);--navBorder:rgba(148,163,184,.35);--badgeBg:rgba(248,250,252,.8);--badgeText:#334155;--segBg:hsla(0,0%,100%,.6);--segBorder:rgba(15,23,42,.1);--inputBg:hsla(0,0%,100%,.95);--btnBg:#fff;--btnBorder:rgba(148,163,184,.45);--barTrack:rgba(148,163,184,.18);--barBorder:rgba(148,163,184,.4);--barFill:#0f172a;--barFillDim:rgba(15,23,42,.85)}[data-theme=dark]{color-scheme:dark;--bg0:#0b1220;--text0:#e5e7eb;--muted:#94a3b8;--card:rgba(15,23,42,.85);--cardBorder:rgba(148,163,184,.22);--navBg:rgba(15,23,42,.65);--navBorder:rgba(148,163,184,.22);--badgeBg:rgba(15,23,42,.75);--badgeText:#e5e7eb;--segBg:rgba(15,23,42,.55);--segBorder:rgba(148,163,184,.22);--inputBg:rgba(15,23,42,.75);--btnBg:rgba(15,23,42,.75);--btnBorder:rgba(148,163,184,.22);--barTrack:rgba(148,163,184,.28);--barBorder:rgba(148,163,184,.3);--barFill:#e5e7eb;--barFillDim:rgba(229,231,235,.85)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;background:radial-gradient(1200px 600px at 20% 0,rgba(59,130,246,.1),transparent 60%),radial-gradient(1000px 500px at 80% 10%,rgba(16,185,129,.1),transparent 55%),var(--bg0);color:var(--text0)}.navWrap{border-bottom:1px solid var(--navBorder);background:var(--navBg);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:-webkit-sticky;position:sticky;top:0;z-index:1000;overflow:visible}.navBar{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:nowrap;position:relative}.navLeft{gap:12px}.navLeft,.navRight{display:flex;align-items:center;flex-wrap:nowrap;white-space:nowrap}.navRight{gap:10px;justify-content:flex-end;position:relative;z-index:1001}.navBrand{white-space:nowrap}.navLinkWithBadge{display:inline-flex;align-items:center;gap:6px}.navLinkWithBadge .badge{padding:2px 6px;font-size:10px}.navEmail{font-size:14px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.navAvatar{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;border:1px solid var(--cardBorder);background:var(--badgeBg);overflow:hidden}.navAvatar img{display:block;width:100%;height:100%;object-fit:cover}.navAvatarFallback{font-size:12px;font-weight:700;color:var(--badgeText);line-height:1}.navAvatarDropdown{position:relative;z-index:1002}.navAvatarButton{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:999px;border:1px solid var(--cardBorder);background:var(--badgeBg);overflow:visible;cursor:pointer;padding:0;position:relative;transition:transform .1s ease,box-shadow .1s ease}.navAvatarButton:hover{transform:scale(1.05);box-shadow:0 2px 8px rgba(0,0,0,.1)}.navAvatarButton img{display:block;width:100%;height:100%;object-fit:cover;border-radius:999px}.navNotificationBadge{position:absolute;top:-8px;right:-8px;background:#ef4444;color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 5px;border:2px solid var(--navBg);line-height:1;z-index:10003;box-shadow:0 2px 4px rgba(0,0,0,.2);pointer-events:none}.navDropdownMenu{position:absolute;top:calc(100% + 8px);right:0;background:var(--card);border:1px solid var(--cardBorder);border-radius:12px;box-shadow:0 10px 30px rgba(15,23,42,.15);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-width:220px;z-index:10000;overflow:hidden;padding:4px}.navDropdownItem{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;color:var(--text0);text-decoration:none;font-size:14px;border-radius:8px;transition:background .1s ease;gap:8px}.navDropdownItem:hover{background:var(--segBg)}.navDropdownItemButton{width:100%;border:none;background:none;text-align:left;cursor:pointer;font:inherit}.navDropdownDivider{height:1px;background:var(--cardBorder);margin:4px 0}.navDropdownBadge{background:#ef4444;color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:999px;display:flex;align-items:center;justify-content:center;padding:0 6px;line-height:1}.navLinksDesktop{display:flex;gap:12px;align-items:center}.navAdminLink{display:inline-block}.navQuizDropdownWrap{position:relative;display:inline-block}.navQuizDropdownTrigger{display:inline-flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;padding:0;font:inherit;color:inherit;text-decoration:none}.navQuizDropdownTrigger:hover{text-decoration:underline}.navQuizChevron{flex-shrink:0;transition:transform .2s ease}.navQuizDropdownTrigger[aria-expanded=true] .navQuizChevron{transform:rotate(180deg)}.navQuizDropdownMenu{position:absolute;top:calc(100% + 8px);left:0;background:var(--card);border:1px solid var(--cardBorder);border-radius:12px;box-shadow:0 10px 30px rgba(15,23,42,.15);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-width:220px;z-index:10000;overflow:hidden;padding:4px}.navAvatarWithBadge{display:flex;align-items:center;gap:6px}.navRoleBadge{padding:2px 8px;border-radius:999px;background:var(--segBg);border:1px solid var(--cardBorder);white-space:nowrap}.navMobileSectionLabel,.navRoleBadge{font-size:11px;font-weight:600;color:var(--textMuted)}.navMobileSectionLabel{text-transform:uppercase;letter-spacing:.04em;padding:8px 12px 4px;margin-top:4px}.navMobileSectionLabel:first-child{margin-top:0;padding-top:0}.navMobileMenuButton{display:none;background:none;border:none;cursor:pointer;padding:8px;margin:-8px;position:relative;color:var(--text0);z-index:1003}.navMobileMenuButton svg{display:block;width:24px;height:24px}.navNotificationBadgeMobile{position:absolute;top:2px;right:2px}.navMobileDropdown{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);border-bottom:1px solid var(--cardBorder);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1002;box-shadow:0 10px 30px rgba(15,23,42,.15)}.navMobileDropdownContent{padding:8px}@media (max-width:768px){.navLinksDesktop{display:none}.navMobileMenuButton{display:block}.navAdminLink,.navAvatarDropdownDesktop{display:none}.navMobileDropdown{display:block}}.profileAvatar{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:999px;border:1px solid var(--cardBorder);background:var(--badgeBg);overflow:hidden;font-weight:700;color:var(--badgeText)}.profileAvatar img{display:block;width:100%;height:100%;object-fit:cover}.profileAvatar--placeholder{font-size:16px;letter-spacing:.5px}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{max-width:980px;margin:0 auto;padding:18px}.card{border:1px solid var(--cardBorder);border-radius:20px;padding:18px;background:var(--card);box-shadow:0 10px 30px rgba(15,23,42,.06);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1 1;min-width:240px}.muted{color:var(--muted)}.badge{display:inline-block;padding:4px 10px;border:1px solid var(--btnBorder);border-radius:999px;font-size:12px;color:var(--badgeText);background:var(--badgeBg)}.badge.beta{border-color:rgba(245,158,11,.45);color:#b45309;background:rgba(245,158,11,.12);font-weight:700;letter-spacing:.05em;text-transform:uppercase}.badge.verified{border-color:rgba(16,185,129,.4);color:#047857;background:rgba(16,185,129,.12);font-weight:600}.video-review-header{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}.video-review-layout{display:flex;gap:16px;align-items:flex-start;flex-wrap:wrap}.video-review-player{flex:2 1;min-width:280px}.video-review-sidebar{flex:1 1;min-width:260px}.verifiedBadge{display:inline-flex;flex-direction:column;gap:4px;width:92px;height:92px;border-radius:50%;border:3px solid #3b82f6;color:#3b82f6;background:rgba(59,130,246,.08);text-transform:uppercase;font-weight:700;letter-spacing:.08em;font-size:12px}.verifiedBadge,.verifiedBadgeIcon{align-items:center;justify-content:center}.verifiedBadgeIcon{width:38px;height:38px;border-radius:50%;background:#3b82f6;color:#fff;display:flex;font-size:20px;font-weight:800}.verifiedBadge.compact{width:64px;height:64px;font-size:9px;border-width:2px;gap:3px}.verifiedBadge.compact .verifiedBadgeIcon{width:26px;height:26px;font-size:14px}.hr{height:1px;background:var(--cardBorder);margin:16px 0}pre{white-space:pre-wrap;margin:0;font-family:inherit;line-height:1.55}.stack{display:flex;flex-direction:column;gap:12px}.adminGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.adminTile{border:1px solid var(--cardBorder);border-radius:18px;padding:16px;background:hsla(0,0%,100%,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:140px;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease}[data-theme=dark] .adminTile{background:rgba(15,23,42,.55)}.adminTile:hover{transform:translateY(-1px);box-shadow:0 14px 30px rgba(15,23,42,.1);border-color:rgba(59,130,246,.35)}.adminTileTop{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.adminTitleWrap{display:flex;flex-direction:column;gap:4px}.adminIcon{width:44px;height:44px;border-radius:14px;border:1px solid var(--btnBorder);background:var(--badgeBg);display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto}.adminTitle{font-weight:800;letter-spacing:-.01em}.adminSubtitle{font-size:13px}.adminFooter{display:flex;align-items:center;justify-content:space-between;gap:10px}.adminCta{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:999px;border:1px solid var(--btnBorder);background:rgba(2,132,199,.06);font-size:18px;line-height:1;font-weight:800;color:#0284c7}[data-theme=dark] .adminCta{background:rgba(34,211,238,.08);color:#22d3ee}.adminAvatar{width:34px;height:34px;object-fit:cover;background:hsla(0,0%,100%,.06)}.adminAvatar,.iconBtn{border-radius:999px;border:1px solid var(--btnBorder)}.iconBtn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(15,23,42,.04);color:var(--text0);text-decoration:none;font-weight:700}.iconBtn:hover{background:rgba(15,23,42,.08)}[data-theme=dark] .iconBtn{background:rgba(148,163,184,.08)}.wideBleed{width:100vw;margin-left:calc(50% - 50vw);margin-right:calc(50% - 50vw);padding:0 24px}.validationCard{max-width:1600px;margin:0 auto}.validationHeader{display:flex;align-items:center;gap:12px}[data-theme=dark] .iconBtn:hover{background:rgba(148,163,184,.12)}.adminFilters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.adminTileSoon{position:relative}.adminTileSoon:hover{border-color:rgba(245,158,11,.35)}.adminSplit{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);grid-gap:12px;gap:12px;align-items:start}.validationSplit{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}.validationSplit-collapsed{grid-template-columns:minmax(0,1fr)}.validationLeftHeader{gap:12px;padding-bottom:10px;border-bottom:1px solid var(--cardBorder)}.validationActionBar,.validationLeftHeader{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.validationActionBar{position:-webkit-sticky;position:sticky;top:10px;z-index:10;gap:10px;padding:10px;border:1px solid var(--cardBorder);border-radius:16px;background:hsla(0,0%,100%,.55);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}[data-theme=dark] .validationActionBar{background:rgba(15,23,42,.55)}.validationActionBarRight{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.validationLarge h2{font-size:34px;letter-spacing:-.02em}.validationLarge .label{font-size:14px}.validationLarge .input{font-size:16px;min-height:46px}.validationLarge textarea.input{min-height:unset}.validationLarge .btn{padding:12px 14px;font-size:15px}.validationLarge .iconBtn{height:44px;min-width:44px;font-size:18px}.validationLarge .adminPane{padding:18px}.validationLarge .adminPaneLeft,.validationLarge .adminPaneRight{min-height:78vh}.adminPane{border:1px solid var(--cardBorder);border-radius:18px;padding:14px;background:hsla(0,0%,100%,.45);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}[data-theme=dark] .adminPane{background:rgba(15,23,42,.45)}.adminPaneLeft,.adminPaneRight{min-height:68vh}.valRow{width:100%;cursor:pointer}.valRow-active{border-color:rgba(56,189,248,.65)!important;box-shadow:0 10px 24px rgba(15,23,42,.08)}.valRow-validated{border-left:4px solid rgba(16,185,129,.95)!important;background:rgba(16,185,129,.06)!important}[data-theme=dark] .valRow-validated{background:rgba(16,185,129,.1)!important}@media (max-width:980px){.adminSplit{grid-template-columns:1fr}.adminPaneLeft,.adminPaneRight{min-height:auto}.adminGrid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.adminGrid{grid-template-columns:1fr}}.card.inner{display:block;padding:14px;border-radius:16px}.card.inner:hover{border-color:rgba(148,163,184,.65)}button.card.inner{position:relative;z-index:1;pointer-events:auto;-webkit-backdrop-filter:none;backdrop-filter:none}button.card.inner.selected{border-color:rgba(59,130,246,.65);background:rgba(59,130,246,.08);outline:2px solid rgba(59,130,246,.18)}.quiz-card{transition:background-color .2s ease,border-color .2s ease}.quiz-card:hover{background:rgba(56,189,248,.03)}.prompt{white-space:pre-wrap;line-height:1.55}.promptEdit{width:100%;background:transparent;border:1px solid rgba(148,163,184,.18);border-radius:14px;padding:12px;color:inherit;line-height:1.55;resize:vertical}.promptEdit:focus{outline:none;border-color:rgba(56,189,248,.55);box-shadow:0 0 0 3px rgba(56,189,248,.12)}.optionRow{display:flex;align-items:center;justify-content:space-between;gap:12px}.optionLabel{font-size:14px}.optionEdit{margin-top:10px;width:100%;background:transparent;border:1px solid rgba(148,163,184,.18);border-radius:14px;padding:10px 12px;color:inherit;line-height:1.55;resize:vertical}.optionEdit:focus{outline:none;border-color:rgba(56,189,248,.55);box-shadow:0 0 0 3px rgba(56,189,248,.12)}.btn{padding:10px 12px;border-radius:14px;border:1px solid var(--btnBorder);background:var(--btnBg);cursor:pointer;transition:transform .05s ease,background .15s ease,border-color .15s ease,box-shadow .15s ease}.btn:hover{box-shadow:0 8px 20px rgba(15,23,42,.06);border-color:rgba(148,163,184,.65)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:linear-gradient(180deg,#38bdf8,#0ea5e9);border-color:rgba(56,189,248,.65);color:#fff}.btn-primary:hover{background:linear-gradient(180deg,#22d3ee,#0284c7);border-color:rgba(34,211,238,.75)}.btn-success{background:#10b981;border-color:#10b981;color:#fff}.btn-success:hover{background:#059669;border-color:#059669}.btn-danger{background:#ef4444;border-color:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626;border-color:#dc2626}.btn-ghost{background:var(--badgeBg)}.themeToggle{height:38px;padding:0 12px;display:inline-flex;align-items:center;gap:8px}.themeToggleLabel{font-size:13px;color:var(--badgeText)}.themeToggleIcon{width:18px;height:18px;border-radius:999px;border:1px solid var(--btnBorder);background:linear-gradient(180deg,rgba(56,189,248,.2),rgba(15,23,42,.12));position:relative;overflow:hidden}.themeToggleIcon:after{content:"";position:absolute;inset:3px;border-radius:999px;background:var(--card);opacity:.9}.themeToggleIcon.is-dark{background:linear-gradient(180deg,rgba(15,23,42,.9),rgba(15,23,42,.6))}.themeToggleIcon.is-dark:after{transform:translateX(5px);opacity:.7}.btn-google{background:#fff;border-color:rgba(148,163,184,.55);display:flex;align-items:center;justify-content:center;gap:10px;font-weight:600;color:#111827}.btn-google:hover{background:#f8fafc}.btn-google .google-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px}.btn-google .google-icon svg{width:100%;height:100%}.divider{display:flex;align-items:center;gap:10px;margin:14px 0;color:#64748b;font-size:13px}.divider:after,.divider:before{content:"";height:1px;flex:1 1;background:rgba(148,163,184,.35)}.divider span{white-space:nowrap}@media (max-width:640px){.container{padding:12px}.card{padding:14px;border-radius:18px}.row{flex-direction:column!important;gap:12px!important}.row>*{min-width:100%!important;flex:1 1 100%!important;width:100%!important}.card .btn{width:100%}.navEmail{display:none}.video-review-header{align-items:flex-start;flex-direction:column;gap:12px}.video-review-layout{flex-direction:column!important}.video-review-player,.video-review-sidebar{min-width:100%!important;flex:1 1 100%!important;width:100%!important}input[type=email],input[type=number],input[type=password],input[type=text],input[type=time],select,textarea{width:100%!important;box-sizing:border-box}.row .btn{width:100%}.badge{font-size:11px;padding:4px 8px}.stack{gap:10px}textarea{min-height:120px}h1{font-size:clamp(1.5rem,5vw,2rem)!important}h2{font-size:clamp(1.25rem,4vw,1.5rem)!important}h3{font-size:clamp(1.125rem,3vw,1.25rem)!important}.card{padding:12px}.btn{min-height:44px;padding:10px 16px}input,select,textarea{font-size:16px}}.btn-selected{outline:3px solid rgba(59,130,246,.18);border-color:rgba(59,130,246,.65);background:rgba(59,130,246,.08)}.btn-correct{outline:3px solid rgba(34,197,94,.18);border-color:rgba(34,197,94,.75);background:rgba(34,197,94,.1)}.btn-wrong{outline:3px solid rgba(239,68,68,.18);border-color:rgba(239,68,68,.75);background:rgba(239,68,68,.1)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;font-weight:600;font-size:13px;color:var(--badgeText)}.table td,.table th{padding:12px;border-bottom:1px solid var(--cardBorder)}.table tbody tr:last-child td{border-bottom:none}.table tbody tr:hover{background:rgba(15,23,42,.02)}[data-theme=dark] .table tbody tr:hover{background:rgba(148,163,184,.04)}.input{padding:12px;border-radius:14px;border:1px solid var(--btnBorder);background:var(--inputBg);color:var(--text0)}.input,.range{width:100%}.label{display:block;font-size:13px;color:#334155;margin:6px 0;color:var(--badgeText)}.segmented{display:flex;gap:10px;padding:8px;border:1px solid var(--segBorder);background:var(--segBg)}.seg,.segmented{border-radius:999px}.seg{flex:1 1;min-width:-moz-fit-content;min-width:fit-content;padding:10px 24px;border:1px solid transparent;background:transparent;color:var(--badgeText);cursor:pointer;white-space:nowrap;text-align:center;position:relative;z-index:1}.seg:hover{background:rgba(15,23,42,.04)}.seg-on{background:var(--btnBg);border-color:var(--segBorder);box-shadow:0 8px 16px rgba(15,23,42,.06);color:var(--text0);font-weight:600;padding:10px 26px;z-index:2}.btn-correct{border-color:rgba(34,197,94,.85);background:rgba(34,197,94,.12)}.btn-wrong{border-color:rgba(239,68,68,.85);background:rgba(239,68,68,.12)}.quizProgress{margin-top:12px;height:8px;border-radius:999px;background:var(--barTrack);border:1px solid var(--barBorder);overflow:hidden}.quizProgressFill{height:100%;border-radius:inherit;background:linear-gradient(90deg,rgba(56,189,248,.85),rgba(99,102,241,.75));transition:width .4s ease}.questionTransition{animation:questionFade .25s ease}.btn-feedback{animation:feedbackPop .35s ease}.feedbackCard{animation:feedbackSlide .3s ease}@keyframes questionFade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes feedbackPop{0%{transform:scale(.98)}60%{transform:scale(1.02)}to{transform:scale(1)}}@keyframes feedbackSlide{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card.inner.correct{border:2px solid rgba(34,197,94,.7)}.attemptCard{border:1px solid var(--cardBorder);border-radius:16px;padding:12px;transition:all .2s ease;cursor:default}.attemptCard:hover{border-color:rgba(148,163,184,.4);box-shadow:0 4px 12px rgba(15,23,42,.08);transform:translateY(-1px)}.attemptHeader{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;flex-wrap:wrap}@media (max-width:640px){.attemptHeader{flex-direction:column;align-items:flex-start}.attemptHeader>*{width:100%}}.hero{overflow:hidden;padding:28px}.hero,.heroGrid{position:relative}.heroGrid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);grid-gap:24px;gap:24px;z-index:1}.heroContent{gap:6px}.heroContent,.heroPanel{display:flex;flex-direction:column}.heroPanel{background:hsla(0,0%,100%,.7);border:1px solid var(--cardBorder);border-radius:20px;padding:18px;gap:14px;box-shadow:0 18px 40px rgba(15,23,42,.08);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}[data-theme=dark] .heroPanel{background:rgba(15,23,42,.7);box-shadow:0 20px 50px rgba(0,0,0,.35)}.heroPanel h2{margin:0;letter-spacing:-.02em;font-size:20px}.heroList{list-style:none;padding:0;margin:0;gap:12px}.heroList,.heroList li{display:flex;flex-direction:column}.heroList li{gap:4px}.listTitle{font-weight:600}.heroPanelFooter{gap:6px}.heroPanelFooter,.heroPreview{display:flex;flex-direction:column}.heroPreview{gap:10px;padding:12px;border-radius:16px;border:1px solid var(--cardBorder);background:hsla(0,0%,100%,.6)}[data-theme=dark] .heroPreview{background:rgba(15,23,42,.6)}.previewHeader{display:flex;align-items:center;justify-content:space-between;gap:12px}.previewBars{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:8px;gap:8px;align-items:end;height:72px}.bar{display:block;border-radius:10px;background:linear-gradient(180deg,rgba(56,189,248,.9),rgba(99,102,241,.75));box-shadow:0 10px 24px rgba(15,23,42,.12)}.bar-1{height:40%}.bar-2{height:65%}.bar-3{height:90%}.bar-4{height:55%}.bar-5{height:75%}.previewLegend{font-size:12px;letter-spacing:.02em;text-transform:uppercase}.panelBadge{display:inline-flex;align-items:center;justify-content:center;padding:6px 10px;border-radius:999px;background:rgba(56,189,248,.15);color:#0f172a;font-weight:600;font-size:13px}[data-theme=dark] .panelBadge{color:#e2e8f0;background:rgba(56,189,248,.2)}.hero:after,.hero:before{content:"";position:absolute;inset:-40% -20% auto auto;width:520px;height:520px;background:radial-gradient(circle at 30% 30%,rgba(56,189,248,.28),transparent 55%),radial-gradient(circle at 70% 60%,rgba(167,139,250,.22),transparent 60%),radial-gradient(circle at 40% 80%,rgba(52,211,153,.18),transparent 55%);filter:blur(2px);transform:translateZ(0);animation:floaty 10s ease-in-out infinite;pointer-events:none}.hero:after{inset:auto auto -45% -20%;width:560px;height:560px;animation-duration:12s;animation-direction:reverse}@keyframes floaty{0%{transform:translate(0) scale(1);opacity:.9}50%{transform:translate(-18px,16px) scale(1.06);opacity:1}to{transform:translate(0) scale(1);opacity:.9}}.brandRow{display:flex;gap:12px;align-items:center}.brandMark{width:40px;height:40px;border-radius:14px;box-shadow:0 12px 30px rgba(15,23,42,.12)}.heroTitle{font-size:46px;line-height:1.08;letter-spacing:-.04em;margin:10px 0}.gradientText{background:linear-gradient(90deg,#38bdf8,#a78bfa,#34d399);-webkit-background-clip:text;background-clip:text;color:transparent}.heroSub{font-size:17px;line-height:1.6;max-width:58ch}.heroActions{display:flex;gap:10px;flex-wrap:wrap}.heroActions,.section{margin-top:16px}.sectionHeader{display:flex;flex-direction:column;gap:6px}.sectionTitle{margin:0;letter-spacing:-.02em}.featureGrid{margin-top:16px}.featureGrid,.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}@media (max-width:920px){.grid3{grid-template-columns:1fr}.heroTitle{font-size:38px}.heroGrid{grid-template-columns:1fr}.heroPanel{order:2}.heroContent{order:1}.featureGrid{grid-template-columns:1fr}}.feature{position:relative;padding:16px;border-radius:18px;border:1px solid var(--cardBorder);background:linear-gradient(180deg,hsla(0,0%,100%,.65),hsla(0,0%,100%,.35));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 16px 40px rgba(15,23,42,.08)}[data-theme=dark] .feature{background:linear-gradient(180deg,rgba(15,23,42,.7),rgba(15,23,42,.45));box-shadow:0 18px 50px rgba(0,0,0,.35)}.feature h3{margin:8px 0 6px;letter-spacing:-.02em}.feature p{margin:0}.icon{width:36px;height:36px;border-radius:14px;display:flex;align-items:center;justify-content:center;border:1px solid var(--btnBorder);background:var(--badgeBg)}.iconDot{width:10px;height:10px;border-radius:999px;background:linear-gradient(90deg,#38bdf8,#a78bfa,#34d399)}.kpiRow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}@media (max-width:920px){.kpiRow{grid-template-columns:1fr}}.kpi{padding:14px 16px;border-radius:18px;border:1px solid var(--cardBorder);background:var(--card)}.kpiNum{font-size:28px;letter-spacing:-.03em;margin:4px 0 2px}.kpiLbl{font-size:13px;color:var(--muted)}.navBrand b{letter-spacing:-.02em}.navBrand{display:inline-flex;align-items:center;gap:10px}.navLogo{width:26px;height:26px;border-radius:10px;overflow:hidden}.navLogo img{width:100%;height:100%;display:block}.search-page{max-width:1120px;margin:0 auto;padding:18px;gap:16px}.search-card,.search-page{display:flex;flex-direction:column}.search-card{gap:12px}.search-title{margin:0}.search-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.search-form{display:grid;grid-gap:12px;gap:12px;margin-top:8px}.search-form-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.search-layout{display:grid;grid-gap:18px;gap:18px;grid-template-columns:minmax(0,2.2fr) minmax(0,1fr);align-items:start}.search-main,.search-side{min-width:0}.answer-card{position:relative}.answer-header{justify-content:space-between;gap:12px;margin-bottom:8px}.answer-header,.answer-header-left{display:flex;align-items:center;flex-wrap:wrap}.answer-header-left{gap:8px}.btn-copied{background:rgba(16,185,129,.15)!important;border-color:rgba(16,185,129,.4)!important;color:#10b981!important}.answer-text{display:flex;flex-direction:column;gap:10px;line-height:1.7;max-width:72ch}.answer-paragraph{margin:0 0 10px}.answer-list{margin:4px 0 12px;padding-left:20px}.answer-list li{margin:6px 0}.answer-label{color:var(--text0)}.answer-keyword{color:inherit}.answer-strong{font-weight:700}.source-pill{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;border:1px solid var(--btnBorder);background:var(--badgeBg);font-size:12px;color:var(--badgeText);margin:0 4px}.source-pill-button{cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.source-pill-button:focus-visible{outline:none;border-color:rgba(56,189,248,.7);box-shadow:0 0 0 2px rgba(56,189,248,.25)}.panel-section{border:1px solid var(--cardBorder);border-radius:18px;background:var(--card);padding:12px 14px}.panel-section[open]{padding-bottom:16px}.panel-summary{display:flex;justify-content:space-between;align-items:center;gap:12px;list-style:none;cursor:pointer;font-weight:600}.panel-summary::-webkit-details-marker{display:none}.panel-toggle{font-size:12px;color:var(--muted)}.panel-content{margin-top:12px}.references-group h4{margin:0 0 8px;font-size:14px;color:var(--muted)}.references-article-collapsible,.references-group-collapsible{border:1px solid var(--cardBorder);border-radius:14px;padding:10px 12px;background:rgba(15,23,42,.12)}.references-article-summary,.references-group-summary{display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;list-style:none;font-weight:600}.references-article-summary::-webkit-details-marker,.references-group-summary::-webkit-details-marker{display:none}.references-group-body{margin-top:10px}.references-group-count{font-size:12px;color:var(--muted)}.references-article{margin-bottom:12px}.references-article-title{margin:8px 0;font-size:13px;color:var(--muted)}.references-list{display:flex;flex-direction:column;gap:10px}.reference-item{border:1px solid var(--cardBorder);border-radius:14px;padding:10px 12px;background:rgba(15,23,42,.18)}.reference-item-primary{border-color:rgba(34,197,94,.7);box-shadow:0 0 0 1px rgba(34,197,94,.35)}.reference-item-focused{border-color:rgba(56,189,248,.7);box-shadow:0 0 0 1px rgba(56,189,248,.35)}.reference-item summary{display:flex;align-items:center;justify-content:space-between;gap:10px;cursor:pointer;list-style:none}.reference-item summary::-webkit-details-marker{display:none}.reference-header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.reference-summary{display:flex;flex-direction:column;gap:6px}.reference-meta{display:flex;flex-wrap:wrap;gap:6px}.badge.badge-soft{border-color:rgba(148,163,184,.3);background:rgba(148,163,184,.12);color:var(--muted);font-size:11px;text-transform:uppercase}.reference-title{font-weight:600}.reference-snippet{margin:0;color:var(--muted);font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.reference-similarity{font-size:12px;color:var(--muted)}.reference-reliability{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;border:1px solid transparent}.reference-reliability.reliability-high{background:rgba(34,197,94,.15);border-color:rgba(34,197,94,.4);color:#22c55e}.reference-reliability.reliability-medium{background:rgba(250,204,21,.18);border-color:rgba(250,204,21,.4);color:#facc15}.reference-reliability.reliability-low{background:rgba(148,163,184,.18);border-color:rgba(148,163,184,.4);color:var(--muted)}.reference-primary{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px;border:1px solid rgba(34,197,94,.4);background:rgba(34,197,94,.12);color:#22c55e}.doc-badge{font-size:11px;font-weight:700;padding:4px 8px;border-radius:999px;border:1px solid transparent;text-transform:uppercase}.doc-rt{background:rgba(56,189,248,.15);border-color:rgba(56,189,248,.4);color:#38bdf8}.doc-reg{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.4);color:#10b981}.doc-doar{background:rgba(249,115,22,.12);border-color:rgba(249,115,22,.4);color:#f97316}.doc-mec{background:rgba(168,85,247,.12);border-color:rgba(168,85,247,.4);color:#a855f7}.doc-obri{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.4);color:#f43f5e}.doc-altro{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.4);color:var(--muted)}.cases-list{display:grid;grid-gap:12px;gap:12px}.case-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.btn-xs{padding:6px 10px;border-radius:10px;font-size:12px}.search-error{border-color:rgba(239,68,68,.55)}.search-filters{display:grid;grid-gap:16px;gap:16px;margin-top:18px;padding-top:12px;border-top:1px solid var(--cardBorder)}.filter-section{display:grid;grid-gap:10px;gap:10px}.filter-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}.filter-header h3{margin:0;font-size:15px}.filter-select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid var(--cardBorder);background:var(--card);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease}.filter-select:hover{border-color:rgba(56,189,248,.5)}.filter-select:focus{outline:none;border-color:rgba(56,189,248,.7);box-shadow:0 0 0 2px rgba(56,189,248,.25)}.filter-select option{padding:8px;background:var(--card);color:var(--text)}.filter-select option:disabled{opacity:.5;cursor:not-allowed}.result-stats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--cardBorder)}.stat-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;border-radius:8px;background:rgba(15,23,42,.12);font-size:12px;font-weight:600}.stat-count{color:var(--text);font-weight:700}.stat-label{color:var(--muted);font-size:11px}.keyboard-hint{margin-left:8px;font-size:12px;opacity:.7}.keyboard-hint,kbd{display:inline-block}kbd{padding:2px 6px;border-radius:4px;background:rgba(15,23,42,.2);border:1px solid var(--cardBorder);font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:11px;font-weight:600;color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.1)}.filter-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));grid-gap:10px;gap:10px}.filter-toggle{display:inline-flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;border:1px solid var(--cardBorder);background:rgba(15,23,42,.12);font-weight:600;font-size:13px}.filter-toggle input{accent-color:#38bdf8}.pdf-docs.disabled{opacity:.5;pointer-events:none}.filter-presets{display:flex;flex-wrap:wrap;gap:8px}.filter-warning{border:1px solid rgba(250,204,21,.35);background:rgba(250,204,21,.12);color:#ca8a04;padding:10px 12px;border-radius:12px;font-size:13px;font-weight:600}.empty-state{display:flex;align-items:flex-start;gap:12px}.empty-state-large{padding:20px}.empty-icon{font-size:20px}.skeleton{border-radius:10px;background:linear-gradient(90deg,rgba(148,163,184,.15),rgba(148,163,184,.35),rgba(148,163,184,.15));background-size:200% 100%;animation:shimmer 1.4s infinite}.skeleton-title{height:20px;width:40%}.skeleton-line{height:14px;width:100%;margin-top:10px}@keyframes shimmer{0%{background-position:0 0}to{background-position:-200% 0}}@media (max-width:900px){.search-layout{grid-template-columns:1fr}.panel-section{padding:10px 12px}.answer-text{max-width:100%}}@media (max-width:640px){.search-page{padding:12px}.search-form .btn{width:100%}}.license-active-banner{background:linear-gradient(135deg,#059669,#047857);color:#fff;padding:10px 0;box-shadow:0 2px 8px rgba(5,150,105,.25)}[data-theme=dark] .license-active-banner{background:linear-gradient(135deg,#047857,#065f46);box-shadow:0 2px 8px rgba(0,0,0,.3)}.license-active-banner-content{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;max-width:1200px;margin:0 auto;padding:0 20px}.license-active-banner-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:hsla(0,0%,100%,.25);border-radius:50%;font-size:14px;font-weight:700}.license-active-banner-text{font-size:14px;font-weight:500}.license-active-banner-expiry{opacity:.9;font-weight:400}.license-active-banner-link{font-size:13px;font-weight:600;color:#fff;text-decoration:underline;text-underline-offset:2px;white-space:nowrap}.license-active-banner-link:hover{color:hsla(0,0%,100%,.9)}.license-active-badge{position:fixed;bottom:20px;right:20px;z-index:999;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;background:linear-gradient(135deg,#059669,#047857);color:#fff;font-size:12px;font-weight:500;text-decoration:none;border-radius:999px;box-shadow:0 2px 12px rgba(5,150,105,.35);transition:transform .2s ease,box-shadow .2s ease}[data-theme=dark] .license-active-badge{background:linear-gradient(135deg,#047857,#065f46);box-shadow:0 2px 12px rgba(0,0,0,.4)}.license-active-badge:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(5,150,105,.4);color:#fff}.license-active-badge-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;background:hsla(0,0%,100%,.25);border-radius:50%;font-size:10px;font-weight:700}.license-active-badge-text{white-space:nowrap}.license-module-banner{transition:transform .2s ease,box-shadow .2s ease}.license-module-banner:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,0,0,.18)}.toast{position:fixed;right:20px;bottom:20px;z-index:20;max-width:360px}.toastCard{border:1px solid rgba(220,38,38,.35);background:hsla(0,86%,97%,.95);color:#991b1b;padding:12px 14px;border-radius:14px;box-shadow:0 10px 24px rgba(15,23,42,.18);font-weight:600}.toastCard.toast-success{border-color:rgba(34,197,94,.35);background:rgba(240,253,244,.95);color:#166534}[data-theme=dark] .toastCard{background:rgba(127,29,29,.9);color:#fecaca;border-color:hsla(0,91%,71%,.4)}[data-theme=dark] .toastCard.toast-success{background:rgba(20,83,45,.9);color:#bbf7d0;border-color:rgba(74,222,128,.4)}.youtube-player-wrapper{display:flex;flex-direction:column;gap:12px}.youtube-player-container{position:relative;width:100%;aspect-ratio:16/9;background:#000;border-radius:8px;overflow:hidden}.youtube-player-inner{width:100%;height:100%}.youtube-player-iframe,.youtube-player-inner iframe{width:100%;height:100%;border:0}.youtube-player-loading{background:rgba(0,0,0,.9)}.youtube-player-error,.youtube-player-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;padding:20px}.youtube-player-error{flex-direction:column;background:rgba(0,0,0,.95);gap:8px}.youtube-player-error-icon{font-size:24px}.youtube-player-error-title{font-size:16px;font-weight:600}.youtube-player-error-detail{font-size:13px;opacity:.8;max-width:80%;word-break:break-word}.youtube-player-cover{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;background:linear-gradient(180deg,rgba(0,0,0,.1),rgba(0,0,0,.7));color:#fff;pointer-events:none}.youtube-player-cover-label{font-size:16px;font-weight:700;margin-bottom:4px}.youtube-player-cover-subtitle{font-size:13px;opacity:.9}.youtube-player-controls{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.youtube-player-speed{display:flex;align-items:center;gap:6px;font-size:14px}.youtube-player-speed select{padding:6px 8px;border-radius:8px;border:1px solid var(--btnBorder);background:var(--btnBg);color:var(--text0);font-size:13px}.youtube-player-clip-info{font-size:14px;color:var(--muted)}@media (max-width:640px){.youtube-player-controls{flex-direction:column;align-items:stretch}.youtube-player-controls .btn{flex:1 1}.youtube-player-speed{justify-content:space-between;width:100%}}