html,body{height:100%;margin:0;padding:0;box-sizing:border-box;}body{min-height:100vh;min-width:100vw;margin:0;padding:0;font-family:system-ui,sans-serif;background:var(--bg);color:var(--fg);transition:background .3s,color .3s}:root{--bg:#fff;--fg:#111;--accent:#0078d7;}[data-theme="dark"]{--bg:#181a1b;--fg:#eee;--accent:#4fc3f7;}#theme-toggle{position:fixed;top:1.5rem;right:1.5rem;background:var(--bg);color:var(--fg);border:1px solid var(--accent);border-radius:50%;width:2.5rem;height:2.5rem;font-size:1.5rem;cursor:pointer;z-index:100;transition:background .3s,color .3s;display:flex;align-items:center;justify-content:center;}main#greetings-main{min-height:100vh;width:100vw;box-sizing:border-box;padding:2rem 1rem;display:flex;flex-direction:column;justify-content:center;align-items:center;}main h1{margin-bottom:2rem;font-size:clamp(2rem,5vw,3.5rem);letter-spacing:.05em;text-align:center;}.greetings-container{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;max-width:900px;margin:0 auto;}.greeting{background:var(--accent);color:#fff;padding:.5em 1em;border-radius:1.5em;font-size:clamp(1rem,2vw,1.3rem);margin:.2em;box-shadow:0 2px 8px rgba(0,0,0,.07);user-select:none;transition:background .3s,color .3s;text-align:center;}@media (max-width:600px){.greetings-container{gap:.5rem;max-width:98vw}.greeting{font-size:1rem;padding:.4em .7em}main h1{font-size:2rem}}