:root{color-scheme:dark;--bg: #120c1f;--bg-deep: #06030d;--panel: rgba(18, 14, 31, .62);--panel-line: rgba(255, 255, 255, .12);--ink: #fff7fb;--muted: rgba(255, 240, 248, .72);--accent: #ff8fb8;--accent-strong: #ffd15c;--shadow: rgba(255, 113, 167, .22);font-family:Space Grotesk,system-ui,sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(circle at 22% 18%,rgba(255,143,184,.34),transparent 26%),radial-gradient(circle at 78% 22%,rgba(255,209,92,.18),transparent 22%),radial-gradient(circle at 50% 82%,rgba(159,117,255,.16),transparent 30%),linear-gradient(180deg,#241338 0%,var(--bg) 48%,var(--bg-deep) 100%);color:var(--ink)}body{min-height:100vh;overflow:hidden}a{color:inherit;text-decoration:none}.birthday-page,.error-shell{min-height:100vh;position:relative;display:grid;place-items:center;padding:24px}.birthday-glow{position:absolute;width:34vw;height:34vw;border-radius:999px;filter:blur(50px);opacity:.52}.birthday-glow-left{top:8%;left:8%;background:#ff7db35c}.birthday-glow-right{right:8%;bottom:10%;background:#ffd15c3d}.birthday-stage{width:min(760px,calc(100vw - 32px));position:relative;z-index:1}.birthday-frame,.error-card{border:1px solid var(--panel-line);border-radius:32px;background:linear-gradient(180deg,#160f24e0,#0d0916c2);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 28px 80px #08050f8c,0 0 0 1px #ffffff0a inset}.birthday-frame{min-height:480px;padding:36px 32px 40px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}.birthday-caption,.eyebrow{margin:0 0 18px;font-size:.78rem;text-transform:uppercase;letter-spacing:.24em;color:var(--muted)}.birthday-copy{display:grid;place-items:center;min-height:180px;width:min(560px,100%)}.birthday-message{margin:0;font-size:clamp(2rem,5vw,3.85rem);line-height:1.1;font-weight:700;letter-spacing:-.04em;text-wrap:balance;transition:opacity .65s ease,transform .65s ease,filter .65s ease}.birthday-message.is-visible{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}.birthday-message.is-hidden{opacity:0;transform:translateY(-14px) scale(.98);filter:blur(10px)}.birthday-button-shell{min-height:88px;display:flex;align-items:center;justify-content:center;margin-top:10px;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .55s ease,transform .55s ease}.birthday-button-shell.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.birthday-button{display:inline-flex;align-items:center;justify-content:center;min-width:164px;padding:16px 30px;border-radius:999px;background:linear-gradient(135deg,var(--accent) 0%,var(--accent-strong) 100%);color:#24112d;font-size:1.08rem;font-weight:700;box-shadow:0 18px 40px #ff8fb847,0 0 0 1px #ffffff52 inset}.birthday-button.is-pulsing{animation:birthdayPulse 1.9s ease-in-out infinite}.error-card{max-width:760px;padding:28px}.error-card h1{margin:0;font-size:clamp(2rem,4vw,3rem);line-height:1}.error-card p{color:var(--muted);line-height:1.65}.error-stack{padding:18px;border-radius:18px;overflow-x:auto;background:#ffffff0f}@keyframes birthdayPulse{0%,to{transform:scale(1);box-shadow:0 18px 40px #ff8fb847,0 0 #ffd15c5c}50%{transform:scale(1.05);box-shadow:0 22px 54px #ff8fb86b,0 0 0 18px #ffd15c00}}@media(max-width:720px){.birthday-frame{min-height:440px;padding:28px 22px 32px}.birthday-copy{min-height:220px}}@media(max-width:640px){.error-shell,.birthday-stage{width:min(100vw - 20px,100%)}.birthday-frame,.error-card{border-radius:26px}.birthday-caption,.eyebrow{letter-spacing:.18em}}@media(prefers-reduced-motion:reduce){.birthday-message,.birthday-button-shell{transition:none}.birthday-button.is-pulsing{animation:none}}