:root{--sai-bg: #fffdf5;--sai-bg-2: #eff6ff;--sai-surface: #ffffff;--sai-surface-2: #f8fafc;--sai-ink: #0f172a;--sai-ink-2: #334155;--sai-muted: #64748b;--sai-line: #e2e8f0;--sai-brand: #1d4ed8;--sai-brand-2: #7c3aed;--sai-brand-ink: #ffffff;--sai-brand-soft: #dbeafe;--sai-accent: #b45309;--sai-accent-soft: #fef3c7;--sai-ok: #15803d;--sai-ok-soft: #dcfce7;--sai-bad: #b91c1c;--sai-bad-soft: #fee2e2;--sai-radius-s: 10px;--sai-radius-m: 16px;--sai-radius-l: 24px;--sai-space-1: 4px;--sai-space-2: 8px;--sai-space-3: 12px;--sai-space-4: 16px;--sai-space-5: 24px;--sai-space-6: 32px;--sai-font: "Noto Sans Malayalam", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--sai-touch: 44px;--sai-max: 1020px;--sai-shadow-s: 0 1px 2px rgba(15,23,42,.06);--sai-shadow-m: 0 8px 24px -12px rgba(29,78,216,.28);--sai-shadow-l: 0 20px 48px -20px rgba(124,58,237,.35);--sai-grad-hero: linear-gradient(135deg, #dbeafe 0%, #ede9fe 45%, #fef3c7 100%);--sai-grad-brand: linear-gradient(135deg, #1d4ed8 0%, 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var(--sai-ease);position:relative;overflow:hidden}.stop-card:after{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--sai-silver);opacity:0;transition:opacity var(--sai-dur-1) var(--sai-ease)}.stop-card:hover{transform:translateY(-3px) scale(1.01);box-shadow:var(--sai-shadow-m);border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--sai-silver) border-box;border:1.5px solid transparent}.stop-card:hover:after{opacity:1}.stop-card:active{transform:scale(.98) rotate(-.4deg);cursor:grabbing}.stop.done .stop-card{border:2px solid transparent;background:linear-gradient(#f0fdf4,#fff 75%) padding-box,var(--sai-gold) border-box;box-shadow:var(--sai-gold-shadow)}.stop.done .stop-card:after{background:var(--sai-gold);opacity:1}.pin-dot{width:44px;height:44px;display:grid;place-items:center;font-size:20px;background:#fff;border:2.5px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--sai-silver) border-box;border-radius:50%;box-shadow:var(--sai-shadow-m);transition:transform var(--sai-dur-1) var(--sai-ease)}.pin:hover .pin-dot{transform:scale(1.1) rotate(-4deg)}.pin:active .pin-dot{transform:scale(.94);cursor:grabbing}.stop.done .pin-dot{background:linear-gradient(#f0fdf4,#fff) padding-box,var(--sai-gold) border-box}.lesson-card{display:grid;gap:8px}.lesson-visual{font-size:26px;letter-spacing:2px;background:var(--sai-surface-2);border:1px dashed var(--sai-line);border-radius:12px;padding:8px 10px;text-align:center}.lesson-notes{margin:0;padding-left:20px;display:grid;gap:4px;font-size:14.5px;line-height:1.5}.lesson-ex{font-size:13.5px}.stop.boss .pin-dot{border-color:transparent;background:linear-gradient(#fff7d6,#fff) padding-box,var(--sai-gold) border-box;font-size:22px}.boss-card{border:2px solid transparent;background:linear-gradient(#fffbeb,#fff) padding-box,var(--sai-gold) border-box;box-shadow:var(--sai-gold-shadow);text-align:left;font:inherit;color:inherit;cursor:pointer}.boss-card:hover{transform:translateY(-3px)}body[data-route=login] .login-card{box-shadow:var(--sai-gold-shadow);border:2px solid transparent;background:linear-gradient(#fff,#f5f7ff) padding-box,var(--sai-gold) border-box}body[data-route=scan] .nav,body[data-route=scan] .footer,body[data-route=scan] #saveBtn,body[data-route=scan] #sizeBtn,body[data-route=scan] #kvadBadge{display:none}body[data-route=scan] .wrap{display:grid;justify-items:center;padding-top:28px}body[data-route=scan] #page{width:100%;max-width:480px}.scan-frame{position:relative;border-radius:var(--sai-radius-m);overflow:hidden;background:#101a30;aspect-ratio:4/3;min-height:220px;display:grid;place-items:center;width:100%;border:1px solid #1e293b}@media (max-width: 380px){.scan-frame{aspect-ratio:1/1;min-height:240px}}@media (min-width: 720px){.scan-frame{aspect-ratio:16/10}}@media (orientation: landscape) and (max-height: 500px){.scan-frame{aspect-ratio:16/8;min-height:180px}}.scan-actions{display:grid;gap:8px;margin-top:12px}@media (min-width: 480px){.scan-actions{grid-template-columns:1fr 1fr 1fr}}.scan-video{width:100%;height:100%;object-fit:cover;background:transparent;display:none}.scan-frame.live .scan-video{display:block}.scan-off{position:absolute;inset:0;display:grid;place-items:center;gap:4px;align-content:center;color:#94a3b8;font-size:14px}.scan-frame.live .scan-off{display:none}.scan-off .big{font-size:42px}.scan-corner{position:absolute;inset:14px;border:2px solid rgba(212,175,55,.9);border-radius:12px;pointer-events:none}.scan-corner:after{content:"";position:absolute;left:10px;right:10px;top:10px;height:3px;border-radius:999px;background:linear-gradient(90deg,#fde68a,#d4af37);box-shadow:0 0 12px #d4af37e6;animation:scanline 1.8s ease-in-out infinite}.scan-frame:not(.live) .scan-corner:after{animation:none;opacity:.45}.scan-fallback{display:grid;gap:8px;margin-top:10px}body[data-route=login] .login-card:hover{transform:translateY(-2px)}.stop-card:hover{transform:translateY(-2px);box-shadow:var(--sai-shadow-m);border-color:#bfdbfe}.stop.done .stop-card{border-color:#86efac;background:linear-gradient(180deg,#f0fdf4,#fff 75%)}.stop-name{font-size:19px;font-weight:900;letter-spacing:-.2px;line-height:1.25;margin:6px 0 2px;color:var(--sai-ink)}.stop-teaser{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.stop-go{display:inline-block;margin-top:8px;font-weight:800;font-size:13px;color:var(--sai-brand)}.stop.done .stop-go{color:var(--sai-ok)}@media (min-width: 760px){.road:before{left:50%;transform:translate(-50%)}.stop{grid-template-columns:1fr 72px 1fr}.stop.left .pin{grid-column:2;grid-row:1}.stop.left .stop-card{grid-column:1;grid-row:1;text-align:right}.stop.right .pin{grid-column:2;grid-row:1}.stop.right .stop-card{grid-column:3;grid-row:1}}.grid.cols-3>*{animation:rise var(--sai-dur-2) var(--sai-ease)}.grid.cols-3>*:nth-child(2){animation-delay:40ms}.grid.cols-3>*:nth-child(3){animation-delay:80ms}.grid.cols-3>*:nth-child(4){animation-delay:.12s}.grid.cols-3>*:nth-child(5){animation-delay:.16s}.grid.cols-3>*:nth-child(6){animation-delay:.2s}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pop{0%{opacity:0;transform:scale(.96)}60%{opacity:1;transform:scale(1.015)}to{opacity:1;transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-3px)}80%{transform:translate(3px)}}@keyframes float{0%,to{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-4px) rotate(1.5deg)}}@keyframes drift{0%,to{transform:translate(0) scale(1)}50%{transform:translate(10px,12px) scale(1.06)}}@keyframes shine{0%{background-position:130% 0}to{background-position:-60% 0}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes splashPop{0%{opacity:0;transform:scale(.8) translateY(12px)}60%{opacity:1;transform:scale(1.04) translateY(0)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes splashBar{0%{transform:translate(-100%)}to{transform:translate(250%)}}@keyframes splashOut{to{opacity:0;transform:scale(1.04);visibility:hidden}}@keyframes glowPulse{0%,to{box-shadow:var(--sai-shadow-m)}50%{box-shadow:var(--sai-shadow-l)}}@keyframes scanline{0%,to{transform:translateY(0);opacity:1}50%{transform:translateY(120px);opacity:.6}}.celebrate{animation:pop var(--sai-dur-2) var(--sai-ease)}.attention{animation:glowPulse 2.2s ease-in-out infinite}