@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');
:root{color-scheme:dark;--pink:#ff78ba;--gold:#ffda8b;--purple:#a58bff}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow-x:hidden;background:radial-gradient(ellipse at 50% 38%,#34215e 0%,#1e143e 48%,#100b28 100%);color:#fff;font-family:'DM Sans',system-ui,sans-serif;padding:40px 20px 20px}
#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:10}
.glow{position:fixed;width:420px;height:420px;border-radius:50%;filter:blur(105px);opacity:.20;pointer-events:none}
.glow-one{background:#ff54ab;top:-180px;left:-130px}.glow-two{background:#6958fa;right:-150px;bottom:-180px}
.birthday-card{position:relative;width:min(100%,760px);text-align:center;padding:43px 50px 36px;border:1px solid rgba(255,255,255,.18);border-radius:32px;background:linear-gradient(135deg,rgba(255,255,255,.11),rgba(255,255,255,.035));box-shadow:0 22px 80px rgba(4,0,20,.35),inset 0 1px rgba(255,255,255,.12);backdrop-filter:blur(15px)}
.oculto{display:none!important}
.eyebrow{color:#ead6ff;letter-spacing:3px;font-size:11px;font-weight:800}
h1{font-family:Outfit,system-ui,sans-serif;font-size:clamp(38px,7vw,62px);font-weight:900;letter-spacing:-2px;line-height:1.08;margin:20px 0}
h1 span{display:block;background:linear-gradient(100deg,#ff88c1 15%,#ffe3a1 60%,#cf9aff 100%);color:transparent;background-clip:text;-webkit-background-clip:text}
.intro{font-size:16px;line-height:1.8;color:#e1d9f1;max-width:500px;margin:0 auto 16px}
.signature{color:#ffe0ac;font-size:14px;font-weight:600;margin:0 0 25px}
.opciones-usuario{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;margin-top:28px}
button{font:700 15px 'DM Sans',sans-serif;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s}
button:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(255,112,170,.35)}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #fff;outline-offset:4px}
.opciones-usuario button,#abrirSorpresa,.volver,#formFelicitacion button{padding:16px 25px;border-radius:99px;color:#2a103e;background:linear-gradient(100deg,#ff8ec7,#ffd7a0);box-shadow:0 9px 22px rgba(255,116,184,.2)}
#abrirSorpresa{margin-top:12px}
button:disabled{opacity:.65;cursor:wait;transform:none}
.balloons{position:absolute;top:54px;right:26px;width:95px;height:125px;pointer-events:none}
.balloon{position:absolute;width:37px;height:49px;border-radius:55% 55% 52% 52%;box-shadow:inset -8px -6px rgba(0,0,0,.12),inset 7px 6px rgba(255,255,255,.24);animation:float 3s ease-in-out infinite}
.balloon:after{content:'';position:absolute;top:46px;left:17px;height:65px;border-left:1px solid rgba(255,255,255,.5)}
.balloon-one{background:#ff77ad;left:0;top:20px}.balloon-two{background:#ffc771;left:31px;top:0;animation-delay:-.8s}.balloon-three{background:#9e85ff;left:58px;top:30px;animation-delay:-1.7s}
.cake{position:relative;width:132px;height:128px;margin:44px auto 24px;filter:drop-shadow(0 12px 20px rgba(255,94,165,.22))}
.candles{position:absolute;z-index:4;top:4px;left:40px;display:flex;gap:13px}
.candles i{position:relative;width:9px;height:34px;border-radius:3px;background:repeating-linear-gradient(135deg,#fff 0 7px,#ff87c6 7px 12px)}
.candles i:before{content:'';position:absolute;left:-2px;top:-16px;width:13px;height:17px;background:#ffdd80;border-radius:70% 20% 70% 40%;transform:rotate(-18deg);box-shadow:0 0 14px 5px rgba(255,193,88,.45);animation:flicker .6s ease-in-out infinite alternate}
.candles i:nth-child(2):before{animation-delay:.2s}.candles i:nth-child(3):before{animation-delay:.4s}
.cake-top{position:absolute;top:44px;left:14px;width:104px;height:37px;border-radius:12px 12px 7px 7px;background:linear-gradient(#ffe5f3 0 35%,#ff81b4 35% 100%);z-index:2}
.cake-top:after{content:'';position:absolute;top:11px;left:0;width:100%;height:13px;background:radial-gradient(ellipse at 10px 0,#ffe5f3 9px,transparent 10px) 0 0/24px 15px repeat-x}
.cake-bottom{position:absolute;top:73px;left:5px;width:122px;height:41px;border-radius:9px 9px 13px 13px;background:linear-gradient(#fc99c0 0 45%,#d9529a 45%);z-index:1}
.plate{position:absolute;top:111px;left:-7px;width:146px;height:12px;border-radius:50%;background:#e9ceff}
.contenido-seccion{margin-top:35px;padding:22px 18px;border:1px solid rgba(255,223,148,.25);border-radius:20px;background:rgba(255,219,147,.055);animation:appear .55s both}
.contenido-seccion h2,#zona-invitado h2{font:800 24px Outfit,sans-serif;color:#ffe4ac;margin:8px 0 20px}
.galeria-videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:20px;margin-top:20px}
.tarjeta-video,.felicitacion{min-width:0;padding:18px;text-align:left;overflow-wrap:anywhere;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.1);border-radius:18px}
.tarjeta-video h3,.felicitacion h3{margin:0 0 10px;color:#ffe4ac}
.tarjeta-video p,.felicitacion p{color:#e9def6;line-height:1.6;white-space:pre-wrap}
.tarjeta-video video{display:block;width:100%;border-radius:12px;background:#090611;margin-top:12px}
.felicitacion{margin-top:14px}
#galeriaVideos,#muroFelicitaciones{text-align:left}
#formFelicitacion{display:flex;flex-direction:column;gap:12px;max-width:560px;margin:25px auto;text-align:left}
#formFelicitacion label{color:#f1e7ff;font-size:14px;font-weight:700}
#formFelicitacion input,#formFelicitacion textarea{width:100%;padding:14px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:rgba(15,8,35,.55);color:#fff;font:16px 'DM Sans',sans-serif}
#formFelicitacion textarea{min-height:125px;resize:vertical}
#formFelicitacion input::placeholder,#formFelicitacion textarea::placeholder{color:#b8a9d5}
#formFelicitacion button{align-self:center;margin-top:8px}
.estado-formulario{min-height:1.4em;text-align:center;color:#ffe0ac;font-size:14px}
.enviar-video{margin-top:30px;padding:24px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);border-radius:20px}
.enviar-video h2{margin-top:0}.enviar-video p{color:#e1d9f1;line-height:1.7}
.enviar-video a{display:inline-block;margin-top:8px;color:#ffb3db;font-weight:700;overflow-wrap:anywhere}
.volver{display:block;margin:28px auto 0}
footer{font-size:12px;color:#a99fc3;margin-top:25px;text-align:center}
@keyframes float{50%{transform:translateY(-11px) rotate(4deg)}}@keyframes flicker{to{transform:rotate(13deg) scale(.83)}}@keyframes appear{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:600px){body{padding:25px 14px}.birthday-card{padding:34px 20px 28px;border-radius:25px}.balloons{opacity:.5;transform:scale(.68);transform-origin:top right;top:64px;right:8px}.cake{margin-top:42px}.eyebrow{font-size:10px;letter-spacing:1.6px}h1{letter-spacing:-1.5px}.intro{font-size:14px}.opciones-usuario{flex-direction:column;align-items:stretch}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}