:root{--font-serif: "Cormorant Garamond", Georgia, serif;--font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, sans-serif;--color-cherry: #D2143A;--color-cherry-hover: #b80f30;--color-cherry-glow: rgba(210, 20, 58, .45);--color-cherry-soft: rgba(210, 20, 58, .15);--color-rose-deep: #8B0000;--color-lily-white: #FFFFFF;--color-gold: #E5C158;--aurora-blue: #142340;--aurora-pink: #d84b77;--aurora-cherry: #a30e2c;--aurora-dark: #070709}body.theme-dark{--bg-base: #0a0a0c;--bg-card: rgba(18, 18, 24, .76);--bg-card-elevated: rgba(26, 26, 34, .88);--bg-input: rgba(255, 255, 255, .06);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .74);--text-muted: rgba(255, 255, 255, .45);--border-glass: rgba(255, 255, 255, .14);--border-glass-hover: rgba(210, 20, 58, .4);--glass-tint: rgba(10, 10, 14, .22);--shadow-card: 0 16px 45px rgba(0, 0, 0, .5);--shadow-glow: 0 0 25px var(--color-cherry-glow);--theme-icon-sun: inline-block;--theme-icon-moon: none}body.theme-light{--bg-base: 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ease}.carousel-arrow:active{transform:scale(.9)}.carousel-dots{display:flex;gap:6px}.dot{width:7px;height:7px;border-radius:50%;background:var(--border-glass);cursor:pointer;transition:all .3s ease}.dot.active{width:18px;border-radius:8px;background:var(--color-cherry)}.heartbeat-container{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;width:100%}.heartbeat-rings{position:relative;width:120px;height:120px;display:flex;align-items:center;justify-content:center}.glowing-heart{font-size:3.5rem;z-index:5;animation:heartPulse 1.2s infinite ease-in-out;filter:drop-shadow(0 0 20px var(--color-cherry-glow))}.pulse-ring{position:absolute;width:100%;height:100%;border-radius:50%;border:2px solid var(--color-cherry);opacity:0;animation:ringExpand 2.2s infinite cubic-bezier(.25,1,.5,1)}.ring-2{animation-delay:1.1s}@keyframes 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18px}.proposal-pretitle{font-size:.95rem;font-weight:600;color:var(--color-cherry);text-transform:uppercase;letter-spacing:.12em;margin-bottom:4px}.proposal-main-title{font-family:var(--font-serif);font-size:1.95rem;font-weight:700;line-height:1.2;color:var(--text-primary);margin-bottom:12px}.proposal-body{font-size:.86rem;color:var(--text-secondary);line-height:1.45;margin-bottom:24px}.proposal-actions{position:relative;width:100%;height:110px;display:flex;align-items:center;justify-content:center;gap:16px}.btn-yes{background:linear-gradient(135deg,#eb2652,var(--color-cherry));color:#fff;border:none;border-radius:20px;padding:14px 28px;font-family:var(--font-sans);font-size:1.05rem;font-weight:700;cursor:pointer;box-shadow:0 8px 24px var(--color-cherry-glow);z-index:10;transition:transform .25s cubic-bezier(.34,1.56,.64,1);animation:yesHeartbeat 2s infinite ease-in-out}.btn-yes:active{transform:scale(.95)}@keyframes 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14px;margin-bottom:16px;text-align:center}.hangout-label{font-size:.68rem;font-weight:700;letter-spacing:.1em;color:var(--color-cherry);display:block;margin-bottom:4px}.hangout-time{font-family:var(--font-serif);font-size:1.9rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}.hangout-subtext{font-size:.8rem;color:var(--text-secondary);line-height:1.4;margin-bottom:12px}.hangout-route{display:flex;align-items:center;justify-content:center;gap:12px;font-size:.85rem;font-weight:600;color:var(--text-primary);padding-top:8px;border-top:1px solid var(--border-glass)}.route-line{font-size:.95rem}.restart-link-btn{background:none;border:none;color:var(--text-muted);font-size:.82rem;cursor:pointer;padding:8px;text-decoration:underline}@media(min-width:768px){.chapters-viewport{padding:36px 24px}.chapter-card{max-width:520px;padding:32px 28px;border-radius:28px}.chapter-heading{font-size:1.95rem;margin-bottom:6px}.chapter-subheading{font-size:.95rem;margin-bottom:20px}.letter-wrapper{max-width:480px;transform:scale(1.5);transform-origin:center center}.quiz-number{font-size:.78rem}.quiz-question{font-size:1.38rem;margin-bottom:18px}.quiz-opt{padding:13px 18px;font-size:.96rem;border-radius:16px;gap:14px}.opt-letter{width:28px;height:28px;font-size:.8rem}.quiz-feedback{font-size:.92rem;min-height:44px;margin-top:10px}.story-track{min-height:520px}.story-img-box{height:410px;aspect-ratio:9 / 16;border-radius:22px}.story-chip{font-size:.82rem;padding:5px 12px;bottom:12px;left:14px}.story-text{padding:14px 6px 6px}.story-title{font-size:1.15rem;margin-bottom:6px}.story-desc{font-size:.92rem;line-height:1.48}.carousel-arrow{width:38px;height:38px;font-size:1.35rem}.dot{width:8px;height:8px}.dot.active{width:22px}.proposal-chapter{padding:36px 30px}.proposal-pretitle{font-size:1.05rem;letter-spacing:.15em}.proposal-main-title{font-size:2.35rem;margin-bottom:16px}.proposal-body{font-size:1.02rem;line-height:1.55;margin-bottom:28px}.proposal-actions{height:130px;gap:20px}.btn-yes{padding:16px 36px;font-size:1.18rem;border-radius:22px}.btn-no{padding:14px 26px;font-size:1rem;border-radius:20px}.no-excuse-text{font-size:.92rem;min-height:26px}.finale-chapter{padding:34px 28px}.finale-title{font-size:2.25rem}.finale-subtitle{font-size:.98rem;margin-bottom:22px}.hangout-countdown-card{padding:24px 20px;border-radius:22px;margin-bottom:20px}.hangout-time{font-size:2.4rem}.hangout-subtext{font-size:.92rem;line-height:1.5}.hangout-route{font-size:.95rem;gap:16px;padding-top:12px}.restart-link-btn{font-size:.9rem;padding:10px}}