.guest-upgrade--panel,.save-progress{--sp-petrol:var(--color-primary,#1b7a72);--sp-paper:var(--color-surface,#fffcf5);--sp-paper-deep:var(--color-paper-deep,#ebe4d2);--sp-ink:var(--color-ink,#111c40);--sp-muted:var(--color-muted,#6b6558);--sp-line:var(--color-border,#e4dcc8);--sp-bg:var(--color-bg,#f6f1e4);display:flex;flex-direction:column;gap:.5rem;padding:1.1rem 1.15rem 1.15rem;border-radius:var(--radius-card,16px);border:1px solid color-mix(in srgb,var(--sp-petrol) 20%,var(--sp-line));background:radial-gradient(ellipse 90% 60% at 12% -8%,color-mix(in srgb,var(--sp-petrol) 12%,transparent),transparent 55%),linear-gradient(168deg,color-mix(in srgb,var(--sp-petrol) 7%,var(--sp-paper)) 0,var(--sp-paper) 52%,var(--sp-paper-deep) 100%);color:var(--sp-ink);box-shadow:var(--shadow-postcard,0 2px 8px color-mix(in srgb,var(--sp-ink) 10%,transparent)),inset 0 1px 0 color-mix(in srgb,var(--sp-petrol) 10%,transparent)}[data-theme=dark] .guest-upgrade--panel,[data-theme=dark] .save-progress{--sp-petrol:var(--color-primary);--sp-paper:var(--color-surface);--sp-paper-deep:var(--color-paper-deep);--sp-ink:var(--color-ink);--sp-muted:var(--color-muted);--sp-line:var(--color-border);--sp-bg:var(--color-bg);border-color:color-mix(in srgb,var(--sp-petrol) 28%,var(--color-border));box-shadow:none}.guest-upgrade-eyebrow,.save-progress-eyebrow{margin:0;font-family:var(--font-ui,inherit);font-size:var(--font-label,.6875rem);font-weight:650;letter-spacing:var(--tracking-label,.08em);text-transform:uppercase;color:var(--sp-petrol,var(--color-primary,#1b7a72));line-height:var(--lh-label,1.3)}.guest-upgrade-title,.save-progress-title{margin:0;font-family:var(--font-display,Georgia,serif);font-size:1.1rem;font-weight:700;line-height:1.25;letter-spacing:-.015em;color:var(--sp-ink,var(--color-ink,#111c40))}.guest-upgrade-body,.save-progress-sub{margin:0;font-size:.875rem;line-height:1.45;color:var(--sp-muted,var(--color-muted,#6b6558))}.auth-cta,.save-progress-actions{display:flex;flex-direction:column;gap:.35rem;margin-top:.55rem}.auth-cta--inline{flex-direction:row;flex-wrap:wrap;align-items:center;gap:.5rem .75rem}.auth-cta--inline .auth-cta-primary{flex:1 1 12rem}.auth-cta--inline .auth-cta-secondary{flex:0 0 auto}.auth-cta--compact{margin-top:.4rem}.guest-upgrade--embedded,.save-progress--embedded{margin:0;padding:.85rem 0 0;border:none;border-radius:0;border-top:1px solid color-mix(in srgb,var(--sp-petrol,var(--color-primary,#1b7a72)) 18%,var(--sp-line,var(--color-border,#e4dcc8)));background:transparent;box-shadow:none}[data-theme=dark] .guest-upgrade--embedded,[data-theme=dark] .save-progress--embedded{border-color:color-mix(in srgb,var(--color-primary) 35%,var(--color-border));box-shadow:none}.guest-upgrade--embedded .guest-upgrade-title,.save-progress--embedded .guest-upgrade-title,.save-progress--embedded .save-progress-title{font-size:1rem;font-weight:650}.guest-upgrade--embedded .auth-cta,.save-progress--embedded .auth-cta,.save-progress--embedded .save-progress-actions{margin-top:.4rem}.guest-upgrade-backdrop{position:fixed;inset:0;z-index:220;display:flex;align-items:flex-end;justify-content:center;padding:0;overflow:hidden;background:radial-gradient(ellipse 80% 55% at 50% 100%,color-mix(in srgb,var(--color-ink,#111c40) 18%,transparent),transparent 70%),linear-gradient(180deg,color-mix(in srgb,var(--color-ink,#111c40) 16%,transparent) 0,color-mix(in srgb,var(--color-ink,#111c40) 42%,transparent) 100%);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:guest-upgrade-backdrop-in var(--duration-stamp,.28s) var(--ease-standard,ease) both}.guest-upgrade--sheet{--sp-petrol:var(--color-primary,#1b7a72);--sp-paper:var(--color-surface,#fffcf5);--sp-paper-deep:var(--color-paper-deep,#ebe4d2);--sp-ink:var(--color-ink,#111c40);--sp-muted:var(--color-muted,#6b6558);--sp-line:var(--color-border,#e4dcc8);--sp-bg:var(--color-bg,#f6f1e4);width:100%;max-width:28rem;margin:0 auto;padding:.4rem 1.35rem calc(1.4rem + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;border:1px solid color-mix(in srgb,var(--sp-petrol) 22%,var(--sp-line));border-bottom:none;background:radial-gradient(ellipse 70% 45% at 50% -5%,color-mix(in srgb,var(--sp-petrol) 14%,transparent),transparent 60%),linear-gradient(172deg,color-mix(in srgb,var(--sp-petrol) 8%,var(--sp-paper)) 0,var(--sp-paper) 46%,var(--sp-paper-deep) 100%);color:var(--sp-ink);box-shadow:0 -12px 40px color-mix(in srgb,var(--sp-ink) 14%,transparent),0 -2px 8px color-mix(in srgb,var(--sp-ink) 6%,transparent),inset 0 1px 0 color-mix(in srgb,#fff 55%,transparent);animation:guest-upgrade-sheet-in .38s cubic-bezier(.22,1,.36,1) both;will-change:transform,opacity;display:flex;flex-direction:column;gap:.4rem}[data-theme=dark] .guest-upgrade--sheet{--sp-petrol:var(--color-primary);--sp-paper:var(--color-surface);--sp-paper-deep:var(--color-paper-deep);--sp-ink:var(--color-ink);--sp-muted:var(--color-muted);--sp-line:var(--color-border);--sp-bg:var(--color-bg);border-color:color-mix(in srgb,var(--sp-petrol) 28%,var(--color-border));box-shadow:0 -12px 40px color-mix(in srgb,#000 45%,transparent),inset 0 1px 0 color-mix(in srgb,var(--sp-petrol) 14%,transparent)}.guest-upgrade-handle{width:2.5rem;height:.3rem;margin:.2rem auto .35rem;border-radius:999px;background:color-mix(in srgb,var(--sp-muted) 28%,var(--sp-line));box-shadow:inset 0 1px 0 color-mix(in srgb,var(--sp-ink) 6%,transparent)}.guest-upgrade-seal{width:2.35rem;height:2.35rem;margin:.1rem auto .35rem;border-radius:50%;border:1.5px solid color-mix(in srgb,var(--sp-petrol) 42%,var(--sp-line));background:radial-gradient(circle at 50% 40%,color-mix(in srgb,var(--sp-petrol) 18%,transparent),transparent 65%),color-mix(in srgb,var(--sp-petrol) 8%,var(--sp-paper));box-shadow:0 0 0 4px color-mix(in srgb,var(--sp-petrol) 8%,transparent),inset 0 1px 0 color-mix(in srgb,#fff 40%,transparent);position:relative;animation:guest-upgrade-seal-in .48s cubic-bezier(.22,1,.36,1) 80ms both}.guest-upgrade-seal:before{content:"";position:absolute;inset:28%;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--sp-petrol) 40%,transparent);opacity:.85}.guest-upgrade-seal:after{content:"";position:absolute;left:50%;top:50%;width:.4rem;height:.4rem;border-radius:50%;background:color-mix(in srgb,var(--sp-petrol) 55%,transparent);transform:translate(-50%,-50%);box-shadow:0 0 0 3px color-mix(in srgb,var(--sp-petrol) 12%,transparent)}.guest-upgrade--panel .guest-upgrade-seal{width:1.85rem;height:1.85rem;margin:0 0 .15rem;animation:none}.guest-upgrade--embedded .guest-upgrade-seal{display:none}.guest-upgrade--sheet .guest-upgrade-eyebrow{text-align:center;letter-spacing:.1em}.guest-upgrade--sheet .guest-upgrade-title{font-size:1.28rem;text-align:center;letter-spacing:-.02em}.guest-upgrade--sheet .guest-upgrade-body{font-size:.94rem;margin-bottom:.2rem;text-align:center;max-width:22rem;margin-left:auto;margin-right:auto;line-height:1.5}.guest-upgrade--sheet .auth-cta{margin-top:.75rem;gap:.4rem}.guest-upgrade--sheet .auth-cta-primary{box-shadow:0 2px 8px color-mix(in srgb,var(--sp-petrol) 28%,transparent);transition:background var(--duration-fast,.12s) var(--ease-standard,ease),transform var(--duration-fast,.12s) var(--ease-standard,ease),box-shadow var(--duration-fast,.12s) var(--ease-standard,ease)}.guest-upgrade--sheet .auth-cta-primary:hover{transform:translateY(-1px);box-shadow:0 4px 14px color-mix(in srgb,var(--sp-petrol) 32%,transparent)}.guest-upgrade--sheet .auth-cta-secondary{text-align:center}@keyframes guest-upgrade-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes guest-upgrade-sheet-in{0%{opacity:.98;transform:translate3d(0,100%,0)}to{opacity:1;transform:translateZ(0)}}@keyframes guest-upgrade-seal-in{0%{opacity:0;transform:scale(.82)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.guest-upgrade--sheet,.guest-upgrade-backdrop,.guest-upgrade-seal{animation:none;will-change:auto}.guest-upgrade--sheet .auth-cta-primary:hover{transform:none}}@supports not (((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))) or (-webkit-backdrop-filter:blur(1px))){.guest-upgrade-backdrop{background:color-mix(in srgb,var(--color-ink,#111c40) 46%,transparent)}}@media (min-width:640px){.guest-upgrade-backdrop{align-items:flex-end;justify-content:center;padding:0 1.5rem 1.5rem}.guest-upgrade--sheet{max-width:24rem;border-radius:20px;border-bottom:1px solid color-mix(in srgb,var(--sp-petrol) 22%,var(--sp-line));padding:.55rem 1.4rem 1.35rem;margin-bottom:env(safe-area-inset-bottom,0);box-shadow:0 16px 48px color-mix(in srgb,var(--sp-ink) 16%,transparent),0 4px 12px color-mix(in srgb,var(--sp-ink) 6%,transparent),inset 0 1px 0 color-mix(in srgb,#fff 50%,transparent);animation-name:guest-upgrade-sheet-dock-in}.guest-upgrade-handle{opacity:.55}}@keyframes guest-upgrade-sheet-dock-in{0%{opacity:0;transform:translate3d(0,28px,0) scale(.98)}to{opacity:1;transform:translateZ(0) scale(1)}}