*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--pink: #f472b6;--pink-dark: #db2777;--bg: #fafafa;--card: #ffffff;--text: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.1);font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;-webkit-tap-highlight-color:transparent}#root{display:flex;flex-direction:column;min-height:100dvh}button{cursor:pointer;border:none;background:none;font:inherit;border-radius:var(--radius);padding:.6rem 1.2rem;transition:opacity .15s,background .15s}button:active{opacity:.8}.btn-primary{background:var(--pink);color:#fff;font-weight:600;padding:.75rem 1.5rem;width:100%;font-size:1rem}.btn-primary:hover{background:var(--pink-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{color:var(--muted);border:1px solid var(--border)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1rem}.top-nav{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:.75rem 1rem}.page{flex:1;padding:1rem;max-width:600px;margin:0 auto;width:100%}.banner{background:#fef3c7;border:1px solid #f59e0b;border-radius:8px;padding:.5rem .75rem;font-size:.85rem;color:#92400e;margin-bottom:1rem}input,textarea,select{width:100%;border:1px solid var(--border);border-radius:8px;padding:.75rem;font:inherit;font-size:1rem;outline:none;background:var(--card)}input:focus,textarea:focus{border-color:var(--pink)}