:root{--primary: #FF6B6B;--primary-hover: #fa5252;--bg-color: #F8F9FA;--surface: #FFFFFF;--text-main: #2D3436;--text-muted: #636E72;--border: #DFE6E9;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition: all .3s cubic-bezier(.25, .8, .25, 1)}@media(prefers-color-scheme:dark){:root{--bg-color: #0F172A;--surface: #1E293B;--text-main: #F8FAFC;--text-muted: #94A3B8;--border: #334155;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 32px rgba(0, 0, 0, .5)}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--text-main);line-height:1.2}h1{font-size:2.25rem;letter-spacing:-.02em}h2{font-size:1.75rem;letter-spacing:-.01em}h3{font-size:1.25rem}.container{width:100%;max-width:800px;margin:0 auto;padding:0 20px}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;cursor:pointer;transition:var(--transition);border:none;text-decoration:none;font-family:var(--font-family)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 4px 14px #ff6b6b4d}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #ff6b6b66}.btn-secondary{background-color:var(--surface);color:var(--text-main);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background-color:var(--border);transform:translateY(-2px)}.input-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.input-label{font-weight:600;font-size:.9rem;color:var(--text-main)}.input-field{padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--border);background-color:var(--surface);color:var(--text-main);font-family:var(--font-family);font-size:1rem;transition:var(--transition)}.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #ff6b6b1a}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s cubic-bezier(.25,.8,.25,1) forwards}.app-layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding:24px 0 100px}.navbar{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background-color:#f8f9facc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}@media(prefers-color-scheme:dark){.navbar{background-color:#0f172acc}}.brand{font-size:1.5rem;font-weight:800;color:var(--primary);text-decoration:none;display:flex;align-items:center;gap:8px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;background-color:var(--surface);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:12px 0 calc(12px + env(safe-area-inset-bottom));z-index:100;box-shadow:0 -4px 20px #0000000d}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-muted);text-decoration:none;font-size:.75rem;font-weight:600;transition:var(--transition);padding:4px 12px;border-radius:var(--radius-md)}.nav-item.active{color:var(--primary)}.nav-item:hover{background-color:#ff6b6b1a;color:var(--primary)}.card{background-color:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}