@layer base{:root{color-scheme:dark;--bg:#05060a;--panel:rgba(10,14,22,0.8);--panel-border:rgba(64,130,255,0.2);--text:#eef1ff;--muted:rgba(214,228,255,0.62);--neon:#5aa2ff;--neon-strong:#76c7ff;--accent:#9cf2ff;--success:#7cffd6;--danger:#ff7a7a;--grid:rgba(100,160,255,0.08);--shadow:0 20px 40px rgba(0,0,0,0.5)}*{box-sizing:border-box;margin:0;padding:0}body,html{max-width:100vw;min-height:100%}body{background:radial-gradient(circle at top,rgba(50,80,140,.25),transparent 55%),linear-gradient(180deg,#05060a,#060910);color:var(--text);font-family:var(--font-inter),system-ui,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}code{font-family:var(--font-source-code-pro),ui-monospace,SFMono-Regular,Menlo,monospace}}.page{min-height:100vh;padding:2.5rem clamp(1.5rem,4vw,4rem) 4rem;flex-direction:column;gap:2rem;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:38px 38px}.hero,.page{display:flex}.hero{flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.5rem}.kicker{font-size:.8rem;letter-spacing:.32rem;text-transform:uppercase;color:var(--muted)}.title{font-size:clamp(2.2rem,4vw,3.6rem);font-weight:700;margin-top:.6rem;text-shadow:0 0 28px rgba(90,162,255,.4)}.subtitle{margin-top:.6rem;max-width:560px;line-height:1.6;color:var(--muted)}.heroBadge{background:rgba(16,26,44,.7);border:1px solid var(--panel-border);border-radius:18px;padding:1.2rem 1.6rem;box-shadow:var(--shadow);min-width:160px;text-align:center}.heroBadgeLabel{color:var(--muted);text-transform:uppercase;letter-spacing:.2rem;font-size:.75rem}.heroBadgeValue{font-size:2.6rem;font-weight:700;color:var(--accent)}.ctaGrid{display:grid;grid-gap:1.5rem;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.panel{background:var(--panel);border:1px solid var(--panel-border);border-radius:20px;padding:1.6rem;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.panelHeader{display:grid;grid-gap:.4rem;gap:.4rem;margin-bottom:1rem}.panelTitle{font-size:1.4rem}.panelSubtitle{color:var(--muted);font-size:.95rem}.panelBody{display:grid;grid-gap:1rem;gap:1rem}.stack{display:grid;grid-gap:.75rem;gap:.75rem}.linkBlock{display:block}.helperText{color:var(--muted);font-size:.9rem}.button{border:none;border-radius:14px;padding:.85rem 1.2rem;font-weight:700;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.button:disabled{opacity:.5;cursor:not-allowed}.button-full{width:100%}.button-primary{background:linear-gradient(135deg,var(--neon),var(--accent));color:#02060f;box-shadow:0 0 18px rgba(90,162,255,.45)}.button-outline{background:transparent;border:1px solid var(--neon);color:var(--neon-strong)}.button-ghost{background:rgba(90,162,255,.15);color:var(--text)}.button:hover:not(:disabled){transform:translateY(-1px)}.receiptPreview{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:rgba(10,18,30,.6);border-radius:16px;padding:1rem 1.2rem;border:1px solid rgba(90,162,255,.2)}.receiptMiniTitle{font-size:1.2rem;font-weight:700}.receiptMiniMeta,.receiptMiniSubtitle{color:var(--muted)}.receiptMiniMeta{display:flex;gap:1rem;font-size:.9rem}.trainLayout{display:grid;grid-gap:1.5rem;gap:1.5rem;grid-template-columns:minmax(240px,1fr)}.drillTitle{font-size:1.6rem;margin-bottom:.4rem}.drillPrompt{color:var(--muted);line-height:1.6}.choiceList{display:grid;grid-gap:.75rem;gap:.75rem}.choiceCard{text-align:left;background:rgba(12,20,34,.8);border:1px solid rgba(90,162,255,.2);padding:1rem;border-radius:16px;cursor:pointer;display:flex;justify-content:space-between;gap:1rem;transition:border .2s ease,box-shadow .2s ease}.choiceCard-active{border-color:var(--neon);box-shadow:0 0 16px rgba(90,162,255,.4)}.choiceText{color:var(--text);line-height:1.4}.choiceCheck{color:var(--success);font-size:.8rem;text-transform:uppercase;letter-spacing:.15rem}.feedbackCard{background:rgba(12,20,34,.8);border-radius:16px;padding:1rem;border:1px solid rgba(124,255,214,.3);color:var(--muted)}.progressPills{display:flex;gap:.4rem}.progressPill{width:20px;height:6px;border-radius:999px;background:rgba(90,162,255,.2)}.progressPill-active{background:var(--neon)}.quizCard{display:grid;grid-gap:1rem;gap:1rem}.quizQuestion{font-size:1.3rem}.receiptCard{background:rgba(8,14,24,.9);border-radius:20px;border:1px solid rgba(124,255,214,.3);padding:1.6rem;box-shadow:var(--shadow)}.receiptHeader{display:flex;justify-content:space-between;align-items:center;gap:1rem}.receiptKicker{color:var(--muted);letter-spacing:.2rem;text-transform:uppercase;font-size:.75rem}.receiptTitle{font-size:2rem}.receiptScore{width:64px;height:64px;border-radius:20px;background:rgba(90,162,255,.25);display:grid;place-items:center;font-size:1.6rem;font-weight:700;color:var(--accent)}.receiptGrid{margin-top:1.2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));grid-gap:1rem;gap:1rem}.receiptLabel{color:var(--muted);font-size:.8rem;letter-spacing:.12rem;text-transform:uppercase}.receiptValue{font-size:1.2rem;margin-top:.3rem}.receiptRule{margin-top:1.4rem;border-top:1px solid rgba(90,162,255,.2);padding-top:1rem}.receiptRuleText{margin-top:.4rem;color:var(--text)}.txBanner{display:flex;align-items:center;justify-content:space-between;gap:1rem;background:rgba(255,122,122,.12);border:1px solid rgba(255,122,122,.4);padding:.9rem 1rem;border-radius:14px}.txBanner-success{background:rgba(124,255,214,.12);border-color:rgba(124,255,214,.4)}.txBannerText{color:var(--muted)}.txBannerAction{display:flex;align-items:center}.shareStack{display:grid;grid-gap:.6rem;gap:.6rem}.receiptActions{display:grid;grid-gap:.8rem;gap:.8rem}.sectionTitle{font-size:1.3rem;margin-bottom:.6rem}.pillRow{display:flex;gap:.6rem;flex-wrap:wrap}.pill{padding:.4rem .8rem;border-radius:999px;background:rgba(90,162,255,.2);color:var(--muted);font-size:.8rem}.centered{text-align:center}@media (max-width:720px){.page{padding:2rem 1.4rem 3rem}.receiptMiniMeta{flex-direction:column;align-items:flex-start}}