:root{--primary-50: #f0f4ff;--primary-100: #e0e9ff;--primary-200: #c7d7fe;--primary-300: #a5b8fc;--primary-400: #8192f8;--primary-500: #6366f1;--primary-600: #5146a6;--primary-700: #4338ca;--primary-800: #3730a3;--primary-900: #312e81;--neutral-50: #f9fafb;--neutral-100: #f3f4f6;--neutral-200: #e5e7eb;--neutral-300: #d1d5db;--neutral-400: #9ca3af;--neutral-500: #6b7280;--neutral-600: #4b5563;--neutral-700: #374151;--neutral-800: #1f2937;--neutral-900: #111827;--success-50: #f0fdf4;--success-500: #22c55e;--success-600: #16a34a;--success-700: #15803d;--error-50: #fef2f2;--error-500: #ef4444;--error-600: #dc2626;--error-700: #b91c1c;--warning-50: #fffbeb;--warning-500: #f59e0b;--warning-600: #d97706;--info-50: #eff6ff;--info-500: #3b82f6;--info-600: #2563eb;--bg-primary: #ffffff;--bg-secondary: var(--neutral-50);--bg-tertiary: var(--neutral-100);--text-primary: var(--neutral-900);--text-secondary: var(--neutral-600);--text-muted: var(--neutral-500);--border-color: var(--neutral-200);--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--border-radius-xl: 20px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--transition-fast: .15s ease-in-out;--transition-base: .2s ease-in-out;--transition-slow: .3s ease-in-out}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}main.app{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(135deg,var(--primary-50) 0%,var(--bg-primary) 50%,var(--neutral-50) 100%)}.hero-section{background:transparent;color:var(--text-primary);padding:var(--spacing-2xl) var(--spacing-md);display:flex;align-items:center;justify-content:center;min-height:100vh;position:relative}.hero-content{max-width:440px;width:100%;display:flex;flex-direction:column;gap:var(--spacing-xl);animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-section .brand{text-align:center;padding:0;margin-bottom:var(--spacing-md)}.hero-section .brand__logo{height:48px;width:auto;max-width:220px;display:block;margin:0 auto;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));transition:transform var(--transition-base)}.hero-section .brand__logo:hover{transform:scale(1.02)}.hero-section .card{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-xl);border-radius:var(--border-radius-xl);padding:var(--spacing-xl);transition:box-shadow var(--transition-base)}.hero-section .card:hover{box-shadow:var(--shadow-xl)}.hero-section .hero-img{width:100%;max-width:320px;height:auto;display:block;margin:0 auto var(--spacing-lg);border-radius:var(--border-radius-lg);filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.hero-section .title{font-size:var(--font-size-3xl);font-weight:700;margin:0 0 var(--spacing-lg);text-align:center;color:var(--text-primary);letter-spacing:-.02em}.main-content{background:transparent;color:var(--text-primary);padding:var(--spacing-xl) var(--spacing-md);max-width:900px;margin:0 auto;width:100%;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.container{max-width:800px;margin:0 auto;padding:0 var(--spacing-md) var(--spacing-2xl)}.page-title{font-size:var(--font-size-3xl);font-weight:700;margin:var(--spacing-md) 0 var(--spacing-lg);color:var(--text-primary);letter-spacing:-.02em}.card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-md);transition:all var(--transition-base);position:relative;overflow:hidden}.card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary-500),var(--primary-600));opacity:0;transition:opacity var(--transition-base)}.card:hover:before{opacity:1}.card--padded{padding:var(--spacing-xl)}.form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.label{font-weight:600;font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:var(--spacing-sm);display:block;text-transform:uppercase;letter-spacing:.05em}.input{background:var(--bg-secondary);border:2px solid var(--border-color);padding:14px 16px;border-radius:var(--border-radius-md);outline:none;font-size:var(--font-size-base);color:var(--text-primary);width:100%;transition:all var(--transition-base);font-family:inherit}.input::placeholder{color:var(--text-muted)}.input:hover{border-color:var(--primary-300);background:var(--bg-primary)}.input:focus{border-color:var(--primary-500);background:var(--bg-primary);box-shadow:0 0 0 4px #6366f11a;outline:none}.input:disabled{background:var(--neutral-100);color:var(--text-muted);cursor:not-allowed;border-color:var(--neutral-200)}.input-row{display:flex;gap:var(--spacing-sm);align-items:stretch}.input--grow{flex:1}.input--otp{text-align:center;font-size:var(--font-size-2xl);font-weight:600;letter-spacing:.1em}.prefix{padding:14px 16px;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--border-radius-md);color:var(--text-secondary);font-weight:600;display:flex;align-items:center;white-space:nowrap}select.input{cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}.btn{border:none;border-radius:var(--border-radius-md);padding:14px 24px;font-weight:600;font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-base);font-family:inherit;display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:active:before{width:300px;height:300px}.btn--primary{background:linear-gradient(135deg,var(--primary-500),var(--primary-600));color:#fff;box-shadow:var(--shadow-md)}.btn--primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,var(--primary-600),var(--primary-700))}.btn--primary:active{transform:translateY(0)}.btn--ghost{background:transparent;border:2px solid var(--border-color);color:var(--text-primary)}.btn--ghost:hover{background:var(--bg-secondary);border-color:var(--primary-300);color:var(--primary-600)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.progress{height:8px;background:var(--neutral-200);border-radius:999px;overflow:hidden;margin:var(--spacing-lg) 0 var(--spacing-xl);position:relative;box-shadow:inset 0 2px 4px #0000000f}.progress__bar{height:100%;background:linear-gradient(90deg,var(--primary-500),var(--primary-600));width:0%;transition:width .5s cubic-bezier(.4,0,.2,1);border-radius:inherit;position:relative;overflow:hidden}.progress__bar:after{content:"";position:absolute;top:0;left:0;bottom:0;right:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.otp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-md);margin:var(--spacing-lg) 0;max-width:400px;margin-left:auto;margin-right:auto}.row{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.row--spread{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.muted{color:var(--text-muted);font-size:var(--font-size-sm)}.title{font-size:var(--font-size-2xl);font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-lg);letter-spacing:-.02em}.link{background:none;border:none;color:var(--primary-600);text-decoration:none;cursor:pointer;font-weight:500;transition:color var(--transition-base);padding:0}.link:hover{color:var(--primary-700);text-decoration:underline}.link--back{margin-bottom:var(--spacing-md);display:inline-flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-base)}.alert{padding:var(--spacing-md);border-radius:var(--border-radius-md);margin-bottom:var(--spacing-lg);display:flex;align-items:flex-start;gap:var(--spacing-md);border:1px solid;animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.alert--error{background:var(--error-50);border-color:var(--error-500);color:var(--error-700)}.alert--success{background:var(--success-50);border-color:var(--success-500);color:var(--success-700)}.alert--info{background:var(--info-50);border-color:var(--info-500);color:var(--info-600)}.alert--warning{background:var(--warning-50);border-color:var(--warning-500);color:var(--warning-600)}.alert__close{background:none;border:none;color:inherit;cursor:pointer;font-size:var(--font-size-xl);padding:0;margin-left:auto;opacity:.7;transition:opacity var(--transition-base);line-height:1}.alert__close:hover{opacity:1}.loading{text-align:center;padding:var(--spacing-2xl);color:var(--text-muted);font-size:var(--font-size-lg)}.loading:after{content:"...";animation:dots 1.5s steps(4,end) infinite}@keyframes dots{0%,20%{content:"."}40%{content:".."}60%,to{content:"..."}}.file-upload-area{border:2px dashed var(--border-color);border-radius:var(--border-radius-md);padding:var(--spacing-xl);text-align:center;background:var(--bg-secondary);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.file-upload-area:hover{border-color:var(--primary-400);background:var(--primary-50)}.file-upload-area input[type=file]{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}@media (max-width: 768px){.hero-content{max-width:100%;padding:var(--spacing-md)}.main-content{padding:var(--spacing-md)}.card{padding:var(--spacing-lg)}.page-title{font-size:var(--font-size-2xl)}.otp-grid{grid-template-columns:repeat(4,60px);gap:var(--spacing-sm)}.row{flex-direction:column}.btn{width:100%}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}*:focus-visible{outline:2px solid var(--primary-500);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--neutral-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--neutral-500)}