:root{--bg-base:#000000;--card-bg:#1C1C1E;--bg-secondary:#1C1C1E;--bg-tertiary:#2C2C2E;--text-primary:#F1F1F1;--text-secondary:#8E8E93;--text-inverse:#000000;--border-color:rgba(255,255,255,0.12);--shadow-color:rgba(0,0,0,0.5);--accent:#007AFF;--radius-l:24px;--radius-m:18px;--spacing-side:20px;--shadow-card:0 4px 16px rgba(0,0,0,0.2);--letter-spacing:-0.5px}*{box-sizing:border-box;-webkit-tap-highlight-color:rgba(0,0,0,0)}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:#000;color:var(--text-primary);-webkit-font-smoothing:antialiased;overflow-x:hidden;letter-spacing:var(--letter-spacing)}.app-container{width:100%;margin:0;background:#000;min-height:100vh}.app-card{border-radius:var(--radius-l);background:#1c1c1e;position:relative;overflow:hidden;cursor:pointer;border:1px solid hsla(0,0%,100%,.05);transition:transform .2s ease}.app-card:active{transform:scale(.96)}.hero-card{min-height:420px;background-size:cover;background-position:50%;display:flex;flex-direction:column;justify-content:flex-end}.card-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.9))}.card-content{position:relative;z-index:10;padding:24px;color:#fff}.card-eyebrow{font-size:13px;font-weight:700;opacity:.6;text-transform:uppercase;margin-bottom:4px}.card-title{font-size:28px;font-weight:800;line-height:1.1;margin-bottom:8px}.card-desc{font-size:15px;opacity:.7}.apple-input-container{background:#1c1c1e;border-radius:12px;padding:16px;border:1px solid hsla(0,0%,100%,.1)}.floating-tab-bar{background:rgba(20,20,20,.7);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-radius:40px;border:1px solid hsla(0,0%,100%,.15);box-shadow:0 15px 40px rgba(0,0,0,.6)}.k8-btn{background:#fff;color:#000;height:54px;border-radius:16px;font-size:17px;font-weight:600;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:transform .2s ease}.k8-btn:active{transform:scale(.96)}