*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #4F46E5;--primary-hover: #4338CA;--success-color: #10B981;--background: #F9FAFB;--surface: #FFFFFF;--text-primary: #111827;--text-secondary: #6B7280;--border: #E5E7EB;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--background);color:var(--text-primary);line-height:1.5;padding:16px;min-height:100vh}.container{max-width:640px;margin:0 auto;width:100%;padding:0 12px 20px}.app-shell{display:flex;flex-direction:column;gap:.5rem;min-height:100vh}.mobile-tab-nav{align-self:stretch;display:inline-flex;gap:6px;padding:6px;border-radius:12px;background:#ffffffeb;border:1px solid var(--border);box-shadow:var(--shadow);position:relative;justify-content:center;--indicator-x: 0px;--indicator-width: 44px}.user-icon-button{min-width:34px;height:34px;padding:0;border-radius:10px;border:1px 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h1{font-size:28px;margin-bottom:24px}.keypad{max-width:280px}.keypad-btn{width:70px;height:70px;font-size:20px}.keypad-row{gap:12px;margin-bottom:12px}.pin-display{gap:12px;margin-bottom:24px}.pin-dot{width:18px;height:18px}}html,body{margin:0;width:100%;height:100%}