:root{--app-bg:#000;--card-bg:#0a0a0a;--card-border:#222;--text-color:#fff;--text-secondary:#8e8e93;--accent-color:#fff;--button-text:#000;--card-radius:20px;--button-radius:12px;--section-gap:12px}body{background-color:var(--app-bg);color:var(--text-color);-webkit-tap-highlight-color:transparent;user-select:none;touch-action:manipulation;min-height:100vh;margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;overflow-x:hidden}input,textarea{user-select:text}.snow-container{pointer-events:none;z-index:0;opacity:.4;width:100%;height:100%;position:fixed;top:0;left:0;overflow:hidden}.snowflake{color:#fff;text-shadow:0 0 1px #000;opacity:.8;font-family:Arial;font-size:1em;animation-name:snowfall;animation-timing-function:linear;animation-iteration-count:infinite;position:absolute;top:-10px}@keyframes snowfall{0%{opacity:.8;transform:translateY(0)rotate(0)}to{opacity:0;transform:translateY(100vh)rotate(360deg)}}.screen-wrapper{z-index:1;box-sizing:border-box;gap:var(--section-gap);background:0 0;flex-direction:column;min-height:100vh;padding:16px;display:flex;position:relative}.ui-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--card-radius);color:var(--text-color);flex-direction:column;padding:20px;display:flex}h1{letter-spacing:-.4px;color:#fff;text-align:center;margin:0 0 8px;font-size:28px;font-weight:700}h2{letter-spacing:-.3px;margin:0 0 12px;font-size:20px;font-weight:600}h3{margin:0 0 8px;font-size:17px;font-weight:600}p{color:var(--text-secondary);margin:0;font-size:15px;font-weight:400;line-height:1.4}.ui-button{color:#000;border-radius:var(--button-radius);cursor:pointer;background:#fff;border:none;justify-content:center;align-items:center;width:100%;height:48px;margin-top:auto;padding:0 16px;font-size:16px;font-weight:600;transition:all .2s cubic-bezier(.25,.46,.45,.94);display:flex}.ui-button:active{opacity:.9;transform:scale(.97)}.ui-button.secondary{color:#fff;background:#1c1c1e;border:1px solid #333}.text-center{text-align:center}.fade-in{animation:.4s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}