:root{--c-bg: #000000;--c-bg-elev: #0e0e0e;--c-bg-elev-2: #1a1a1a;--c-border: #2a2a2a;--c-border-strong: #3a3a3a;--c-text: #ffffff;--c-text-muted: #9a9a9a;--c-text-faint: #5a5a5a;--c-accent: #ffffff;--c-accent-text: #000000;--c-danger: #ff5555;--r-sm: 10px;--r-md: 14px;--r-lg: 20px;--r-xl: 28px;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-7: 32px;--s-8: 40px;--s-9: 56px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--dur-fast: .15s;--dur-med: .28s;--dur-slow: .45s;--shadow-lift: 0 1px 0 rgba(255, 255, 255, .04) inset, 0 0 0 1px var(--c-border)}*,*:before,*:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;width:100%;background:var(--c-bg);color:var(--c-text);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overscroll-behavior-y:contain}body{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;padding:0}input,textarea,select{font:inherit;color:inherit}h1,h2,h3,h4,p{margin:0}a{color:inherit;text-decoration:none}#app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}.screen{flex:1;display:flex;flex-direction:column;padding:var(--s-6) var(--s-5) var(--s-6);max-width:520px;width:100%;margin:0 auto;animation:screen-in var(--dur-med) var(--ease-out)}@keyframes screen-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.screen__body{flex:1;display:flex;flex-direction:column}.screen__footer{margin-top:var(--s-6);display:flex;flex-direction:column;gap:var(--s-3)}.title-xl{font-size:32px;line-height:1.15;font-weight:700;letter-spacing:-.02em}.title-lg{font-size:24px;line-height:1.2;font-weight:700;letter-spacing:-.015em}.title-md{font-size:18px;line-height:1.3;font-weight:600;letter-spacing:-.01em}.text-body{font-size:15px;line-height:1.55;color:var(--c-text-muted)}.text-caption{font-size:13px;line-height:1.4;color:var(--c-text-faint)}.text-label{font-size:13px;line-height:1.3;font-weight:500;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.06em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);width:100%;min-height:56px;padding:var(--s-4) var(--s-6);border-radius:var(--r-lg);font-size:16px;font-weight:600;letter-spacing:-.005em;transition:transform var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out),opacity var(--dur-fast) var(--ease-out);user-select:none;-webkit-user-select:none;will-change:transform}.btn:active:not(:disabled){transform:scale(.98)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn--primary{background:var(--c-accent);color:var(--c-accent-text)}.btn--primary:hover:not(:disabled){background:#f0f0f0}.btn--secondary{background:var(--c-bg-elev-2);color:var(--c-text);border:1px solid var(--c-border)}.btn--secondary:hover:not(:disabled){background:#222}.btn--ghost{background:transparent;color:var(--c-text-muted)}.btn--ghost:hover:not(:disabled){color:var(--c-text)}.card{background:var(--c-bg-elev);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:var(--s-6);transition:border-color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out)}.card--interactive{cursor:pointer}.card--interactive:hover{border-color:var(--c-border-strong)}.card--selected{border-color:var(--c-text);background:var(--c-bg-elev-2)}.field{display:flex;flex-direction:column;gap:var(--s-2)}.field__label{font-size:13px;font-weight:500;color:var(--c-text-muted);letter-spacing:.01em}.field__input{width:100%;min-height:52px;padding:var(--s-3) var(--s-4);background:var(--c-bg-elev);border:1px solid var(--c-border);border-radius:var(--r-md);font-size:16px;color:var(--c-text);transition:border-color var(--dur-fast) var(--ease-out),background var(--dur-fast) var(--ease-out);outline:none}.field__input::placeholder{color:var(--c-text-faint)}.field__input:focus{border-color:var(--c-text);background:var(--c-bg-elev-2)}.field__input--invalid{border-color:var(--c-danger)}.field__error{font-size:13px;color:var(--c-danger);min-height:1em}.divider{height:1px;background:var(--c-border);border:none;margin:var(--s-5) 0}.stack{display:flex;flex-direction:column}.stack--gap-2{gap:var(--s-2)}.stack--gap-3{gap:var(--s-3)}.stack--gap-4{gap:var(--s-4)}.stack--gap-5{gap:var(--s-5)}.stack--gap-6{gap:var(--s-6)}.spacer{flex:1}.center{display:flex;align-items:center;justify-content:center}.row{display:flex;align-items:center}.row--between{justify-content:space-between}