:root{color:#3f2732;background:#fff6ee;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--butter: #ffd86b;--coral: #ff6f7d;--rose: #e84f86;--mint: #5cc6aa;--ink: #3f2732;--paper: rgba(255, 255, 255, .78);--soft-text: rgba(63, 39, 50, .78);--muted-text: rgba(63, 39, 50, .68)}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}html{min-height:100%;background:#fff6ee}body{overflow-x:hidden}.app-shell{position:relative;display:grid;min-height:100svh;align-items:center;padding:max(18px,env(safe-area-inset-top)) 18px max(22px,env(safe-area-inset-bottom));isolation:isolate}.app-shell-dark{--butter: #f4c95d;--coral: #ff7d8b;--rose: #ff8fbd;--mint: #91d8cb;--ink: #fff7ef;--paper: rgba(23, 18, 31, .66);--soft-text: rgba(255, 247, 239, .8);--muted-text: rgba(255, 247, 239, .66);color:var(--ink)}.app-shell-live{align-items:stretch;padding:0 18px max(18px,env(safe-area-inset-bottom))}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-2;background:linear-gradient(180deg,#fffaf20f,#fff7e86b 54%,#fff7e8d1),linear-gradient(90deg,#fffaf26b,#fffaf224 46%,#fff0f76b),url(/birthday-midnight.png) center / cover no-repeat,linear-gradient(180deg,#fff7e8,#ffeef4)}.app-shell-dark .backdrop{background:linear-gradient(180deg,#19111f14,#120d1b6b 46%,#0f0a16e6),linear-gradient(90deg,#22142e8a,#22142e1a 48%,#0c0a13b8),url(/birthday-midnight-dark.png) center / cover no-repeat,linear-gradient(180deg,#28162c,#100c18)}.backdrop:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(circle at 16% 20%,rgba(255,216,107,.28),transparent 26%),radial-gradient(circle at 82% 68%,rgba(92,198,170,.2),transparent 28%)}.app-shell-dark .backdrop:after{background:radial-gradient(circle at 20% 18%,rgba(255,143,189,.18),transparent 28%),radial-gradient(circle at 84% 70%,rgba(145,216,203,.14),transparent 30%)}.experience{width:min(100%,440px)}.theme-toggle{position:fixed;top:max(10px,env(safe-area-inset-top));right:12px;z-index:4;min-height:40px;padding:8px 12px;border:1px solid rgba(255,255,255,.72);border-radius:999px;color:var(--ink);background:#ffffff9e;box-shadow:0 14px 34px #cc4f7629;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);font:inherit;font-size:.78rem;font-weight:850}.app-shell-dark .theme-toggle{border-color:#ffffff2e;color:#fff7ef;background:#140e1c9e;box-shadow:0 18px 44px #00000042}.experience-live{align-self:stretch;display:grid;width:100%}.eyebrow,.date-line,.clock{margin:0;color:var(--muted-text);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.date-line{color:var(--rose)}h1{max-width:390px;margin:10px 0 14px;font-family:Georgia,Times New Roman,serif;font-size:clamp(3.35rem,16vw,4.85rem);font-weight:500;line-height:.9;text-wrap:balance}.message{max-width:640px;margin:0;color:var(--soft-text);font-size:1rem;line-height:1.58}.countdown-panel,.reveal-panel,.gift-panel{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.reveal-panel{width:100%}.gift-panel{min-height:45svh;justify-content:center}.timer{display:grid;width:100%;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:6px 0 4px}.time-card{display:grid;min-height:112px;place-items:center;padding:16px 10px 14px;border:1px solid rgba(255,255,255,.76);border-radius:8px;background:var(--paper);box-shadow:0 18px 52px #cc4f7629;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.time-card strong{color:var(--coral);font-size:clamp(2.5rem,14vw,4rem);font-variant-numeric:tabular-nums;line-height:1}.time-card span{color:var(--muted-text);font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.gift-button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;margin-top:8px;padding:12px 18px 12px 14px;border:0;border-radius:999px;color:#fffaf2;background:linear-gradient(135deg,var(--rose),var(--coral));box-shadow:0 18px 42px #e84f8642;font:inherit;font-size:.98rem;font-weight:800}.gift-button:active{transform:translateY(1px) scale(.99)}.test-unlock-button{min-height:46px;margin-top:6px;padding:10px 14px;border:1px dashed rgba(63,39,50,.28);border-radius:8px;color:var(--soft-text);background:var(--paper);font:inherit;font-size:.86rem;font-weight:750;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.test-unlock-button:active{transform:translateY(1px)}.gift-box{position:relative;display:inline-grid;width:34px;height:30px;margin-right:10px;border-radius:6px;background:var(--butter);box-shadow:inset 0 -8px #ffaf5647}.gift-box:before,.gift-box:after,.gift-box span{content:"";position:absolute;background:#fffaf2}.gift-box:before{top:0;left:14px;width:6px;height:30px}.gift-box:after{top:10px;left:0;width:34px;height:6px}.gift-box span{top:-8px;left:8px;width:18px;height:10px;border:3px solid #fffaf2;border-bottom:0;border-radius:12px 12px 0 0;background:transparent}.story-track{display:grid;width:calc(100vw - 36px);grid-auto-columns:100%;grid-auto-flow:column;gap:14px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}.story-track::-webkit-scrollbar{display:none}.story-slide{display:flex;min-height:calc(100svh - max(18px,env(safe-area-inset-bottom)));max-height:calc(100svh - max(18px,env(safe-area-inset-bottom)));flex-direction:column;justify-content:center;overflow:hidden;padding:18px 0 20px;scroll-snap-align:start;scroll-snap-stop:always}.hero-slide{justify-content:center;padding-bottom:20px}.swipe-hint{display:inline-flex;align-self:flex-start;margin:18px 0 0;padding:9px 13px;border-radius:999px;color:#fffaf2;background:linear-gradient(135deg,var(--rose),var(--coral));box-shadow:0 14px 34px #e84f8633;font-size:.8rem;font-weight:850}.section-kicker{margin:0 0 10px;color:var(--rose);font-size:.72rem;font-weight:850;letter-spacing:.1em;text-transform:uppercase}.note-stack,.reason-list{display:grid;width:100%;grid-template-columns:1fr;gap:8px;margin-top:0}.note-stack article,.reason-card,.timeline-item,.voice-note,.letter{min-height:112px;padding:16px;border:1px solid rgba(255,255,255,.7);border-radius:8px;background:#ffffffad;box-shadow:0 18px 48px #cc4f7624;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.note-stack span,.reason-card span,.timeline-item span{color:var(--mint);font-size:.78rem;font-weight:800}.note-stack p,.reason-card p,.timeline-item p,.voice-note p,.letter p,.summer-slide p,.summer-card p{margin:16px 0 0;color:var(--soft-text);line-height:1.48}.voice-note{width:100%;background:linear-gradient(135deg,#ffffffd1,#fff7e89e),linear-gradient(135deg,#ffd86b38,#5cc6aa1f)}.app-shell-dark .note-stack article,.app-shell-dark .reason-card,.app-shell-dark .timeline-item,.app-shell-dark .voice-note,.app-shell-dark .letter,.app-shell-dark .summer-card{border-color:#ffffff29;background:linear-gradient(135deg,#271a32b8,#1812239e),linear-gradient(135deg,#ff8fbd1a,#91d8cb14);box-shadow:0 20px 54px #00000047}.voice-note h2{margin:0;color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:2rem;font-weight:500;line-height:1}.voice-note audio{width:100%;margin-top:16px;color-scheme:light}.photo-slide h2{margin:0 0 10px;color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:2.1rem;font-weight:500;line-height:1}.photo-collage{display:grid;width:100%;max-height:58svh;grid-template-columns:repeat(6,1fr);grid-auto-rows:minmax(58px,9.5svh);gap:7px;padding:4px}.photo-tile{position:relative;min-width:0;margin:0;overflow:hidden;border:5px solid rgba(255,255,255,.86);border-radius:8px;background:#ffffffb3;box-shadow:0 18px 42px #cc4f762e}.photo-tile img{display:block;width:100%;height:100%;object-fit:cover}.photo-1{grid-column:1 / 5;grid-row:span 2;rotate:-2deg}.photo-2{grid-column:5 / 7;grid-row:span 2;rotate:2deg}.photo-3{grid-column:1 / 4;grid-row:span 2;rotate:1.5deg}.photo-4{grid-column:4 / 7;grid-row:span 1;rotate:-1deg}.photo-5{grid-column:4 / 7;grid-row:span 1;rotate:1deg}.reason-card{width:100%;min-height:auto;padding:13px 14px;border:1px solid rgba(255,255,255,.7);border-radius:8px;color:var(--ink);background:linear-gradient(135deg,#ffffffc2,#ffffff85),linear-gradient(135deg,#ffd86b2e,#ff6f7d1f);box-shadow:0 18px 48px #cc4f7624;font:inherit;text-align:left;transition:background .18s ease,transform .18s ease}.app-shell-dark .reason-card strong{color:#fff7efc7}.reason-card:active{transform:translateY(1px) scale(.995)}.reason-card.is-open{background:linear-gradient(135deg,#ffffffe0,#fff8edb3),linear-gradient(135deg,#ffd86b3d,#ff6f7d2e)}.reason-card strong{display:block;margin-top:8px;color:var(--soft-text);font-size:1.08rem}.reason-card p{margin-top:8px;font-size:.96rem}.chapter-tabs{display:flex;width:calc(100% + 36px);gap:8px;margin:0 -18px 10px;padding:0 18px 4px;overflow-x:auto;scrollbar-width:none}.chapter-tabs::-webkit-scrollbar{display:none}.summer-slide h2{max-width:360px;margin:0;color:var(--ink);font-family:Georgia,Times New Roman,serif;font-size:2rem;font-weight:500;line-height:1}.summer-tabs{display:grid;width:100%;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin:16px 0 10px}.summer-tabs button{min-width:0;min-height:42px;padding:8px 6px;border:1px solid rgba(232,79,134,.18);border-radius:999px;color:var(--muted-text);background:#ffffff94;font:inherit;font-size:.73rem;font-weight:850}.summer-tabs button.is-active{color:#fffaf2;border-color:transparent;background:linear-gradient(135deg,#4fb6d8,var(--rose),var(--coral))}.summer-card{width:100%;min-height:auto;padding:16px;border:1px solid rgba(255,255,255,.74);border-radius:8px;background:linear-gradient(135deg,#ffffffd1,#fff8eba3),linear-gradient(135deg,#4fb6d82e,#ff8fbd24);box-shadow:0 18px 48px #cc4f7624;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.summer-card span{color:var(--mint);font-size:.78rem;font-weight:850}.summer-card h3{margin:7px 0 0;color:var(--ink);font-size:1.12rem;line-height:1.15}.chapter-tabs button{flex:0 0 auto;min-height:42px;padding:9px 12px;border:1px solid rgba(232,79,134,.18);border-radius:999px;color:var(--muted-text);background:#ffffff8a;box-shadow:0 10px 28px #cc4f761a;font:inherit;font-size:.82rem;font-weight:800}.app-shell-dark .chapter-tabs button,.app-shell-dark .summer-tabs button{border-color:#ffffff24;background:#140e1c8a}.chapter-tabs button.is-active{color:#fffaf2;border-color:transparent;background:linear-gradient(135deg,var(--rose),var(--coral))}.timeline-item{position:relative;min-height:auto;padding-left:16px;border-left:4px solid rgba(255,111,125,.5)}.timeline-item h2{margin:6px 0 0;color:var(--ink);font-size:1.12rem;line-height:1.2}.timeline-item p{margin-top:8px}.letter{width:100%;background:linear-gradient(135deg,#ffffffd1,#fffbebb3),linear-gradient(135deg,#5cc6aa29,#e84f861a)}.letter p:not(.section-kicker){font-size:1.02rem}.letter p+p{margin-top:14px}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;overflow:hidden}.confetti span{position:absolute;top:-10%;left:var(--x);width:9px;height:16px;border-radius:3px;background:var(--c);animation:confetti-fall var(--d) linear infinite;animation-delay:var(--delay);opacity:.86;transform:rotate(var(--r))}.confetti span:nth-child(1){--x: 8%;--c: var(--coral);--d: 8s;--delay: -1s;--r: 18deg}.confetti span:nth-child(2){--x: 22%;--c: var(--mint);--d: 7s;--delay: -4s;--r: 62deg}.confetti span:nth-child(3){--x: 38%;--c: var(--butter);--d: 9s;--delay: -2s;--r: 120deg}.confetti span:nth-child(4){--x: 52%;--c: var(--rose);--d: 7.5s;--delay: -6s;--r: 250deg}.confetti span:nth-child(5){--x: 67%;--c: #89c9ff;--d: 8.5s;--delay: -3s;--r: 310deg}.confetti span:nth-child(6){--x: 78%;--c: var(--coral);--d: 10s;--delay: -5s;--r: 42deg}.confetti span:nth-child(7){--x: 88%;--c: var(--butter);--d: 7.8s;--delay: -7s;--r: 195deg}.confetti span:nth-child(8){--x: 94%;--c: var(--mint);--d: 9.5s;--delay: -2.5s;--r: 82deg}@keyframes confetti-fall{0%{translate:0 -10svh;rotate:0deg}to{translate:0 120svh;rotate:540deg}}.clock{margin-top:24px;color:var(--muted-text)}.experience-live .eyebrow,.experience-live .clock{display:none}@media(min-width:480px){.app-shell{padding-inline:24px}.app-shell-live{padding-top:0;padding-bottom:max(18px,env(safe-area-inset-bottom))}.experience{justify-self:center}.story-track{width:min(100vw - 48px,440px)}}@media(min-width:760px){.app-shell{min-height:100vh;place-items:center;padding:clamp(28px,5vw,64px)}.app-shell-live{padding:clamp(28px,5vw,64px)}.backdrop{background:linear-gradient(90deg,#fffaf2e6,#fffaf257 48%,#fff0f7ad),linear-gradient(180deg,#fff7e81f,#fff7e89e),url(/birthday-midnight.png) center / cover no-repeat}.app-shell-dark .backdrop{background:linear-gradient(90deg,#100a18db,#100a1838 48%,#120c1bbd),linear-gradient(180deg,#2c183214,#0f0a16b8),url(/birthday-midnight-dark.png) center / cover no-repeat}.experience{width:min(100%,920px);padding-top:0}.story-track{width:min(100vw - 128px,920px)}.story-slide{min-height:calc(100vh - 128px);max-height:calc(100vh - 128px);padding-inline:0}.eyebrow,.date-line,.clock{font-size:.78rem;letter-spacing:.12em}h1{max-width:780px;margin:16px 0 22px;font-size:clamp(4.5rem,10vw,7.5rem);line-height:.92}.message{font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.7}.countdown-panel,.reveal-panel,.gift-panel{gap:18px}.gift-panel{min-height:auto}.timer{width:min(100%,720px);grid-template-columns:repeat(4,minmax(0,1fr));margin:10px 0 8px}.time-card{min-height:120px;padding:18px 12px}.time-card strong{font-size:clamp(2rem,7vw,4.8rem)}.time-card span{font-size:.72rem;letter-spacing:.12em}.note-stack{width:min(100%,820px);grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}.note-stack article{min-height:150px;padding:18px}.note-stack p{margin-top:28px;line-height:1.55}.reason-list{width:min(100%,860px);grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.summer-slide h2{max-width:620px;font-size:3rem}.summer-tabs,.summer-card{width:min(100%,720px)}.timeline{width:min(100%,860px);grid-template-columns:repeat(2,minmax(0,1fr))}.letter{width:min(100%,780px);padding:22px}.clock{margin-top:clamp(36px,8vw,72px)}}@media(max-width:420px){.timer{gap:8px}.time-card{min-height:104px;padding:14px 8px}}