*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1A73E8;--primary-hover: #1557B0;--primary-active: #0D47A1;--text-primary: #1F2937;--text-muted: #6B7280;--bg-app: #F3F4F6;--bg-card: #FFFFFF;--border: #E5E7EB;--radius: 12px;--touch-height: 48px;--font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}body{font-family:var(--font);background:var(--bg-app);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:480px;margin:0 auto;padding:20px}button{-webkit-appearance:none;appearance:none;cursor:pointer;border:none;font:inherit;font-size:16px;min-height:var(--touch-height);padding:12px 24px;border-radius:var(--radius);background:none;color:inherit;transition:background .15s ease,transform .1s ease,opacity .15s ease}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}input,select,textarea{-webkit-appearance:none;appearance:none;width:100%;min-height:var(--touch-height);padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font:inherit;font-size:16px;background:var(--bg-card);color:var(--text-primary);transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #1a73e826}select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7280' d='M1.41.59L6 5.17 10.59.59 12 2l-6 6-6-6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}