:root{--color-primary: #667eea;--color-primary-dark: #5a6fd8;--color-primary-light: #818cf8;--color-secondary: #764ba2;--color-accent: #f59e0b;--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-bg-dark: #1e293b;--color-text-primary: #1f2937;--color-text-secondary: #6b7280;--color-text-tertiary: #9ca3af;--color-text-inverse: #ffffff;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-info: #3b82f6;--rarity-common: #6b7280;--rarity-uncommon: #10b981;--rarity-rare: #3b82f6;--rarity-epic: #8b5cf6;--rarity-legendary: #f59e0b;--rarity-mythic: #ef4444;--border-radius-sm: 8px;--border-radius-md: 12px;--border-radius-lg: 16px;--border-radius-xl: 24px;--border-radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);--gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);--gradient-cool: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--transition-fast: .15s ease;--transition-base: .3s ease;--transition-slow: .5s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font-family);color:var(--color-text-primary);background:var(--color-bg-secondary);line-height:1.6;overflow-x:hidden;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--color-text-primary);margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--color-text-secondary)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}button,.btn{font-family:inherit;font-size:1rem;font-weight:600;padding:.75rem 1.5rem;border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:all var(--transition-base);display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);text-decoration:none}button:disabled,.btn:disabled{opacity:.6;cursor:not-allowed}button:not(:disabled):hover,.btn:not(:disabled):hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}button:not(:disabled):active,.btn:not(:disabled):active{transform:translateY(0)}.btn-primary{background:var(--gradient-primary);color:var(--color-text-inverse)}.btn-primary:not(:disabled):hover{box-shadow:0 10px 20px #667eea66}.btn-secondary{background:var(--color-bg-primary);color:var(--color-text-primary);border:2px solid var(--color-text-tertiary)}.btn-secondary:not(:disabled):hover{border-color:var(--color-primary);color:var(--color-primary)}.btn-success{background:var(--color-success);color:var(--color-text-inverse)}.btn-danger{background:var(--color-error);color:var(--color-text-inverse)}.btn-ghost{background:transparent;color:var(--color-text-primary)}.btn-ghost:not(:disabled):hover{background:var(--color-bg-secondary)}.card{background:var(--color-bg-primary);border-radius:var(--border-radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-md);transition:all var(--transition-base)}.card:hover{box-shadow:var(--shadow-xl);transform:translateY(-4px)}input,textarea,select{font-family:inherit;font-size:1rem;padding:.75rem 1rem;border:2px solid var(--color-bg-tertiary);border-radius:var(--border-radius-md);background:var(--color-bg-primary);color:var(--color-text-primary);transition:all var(--transition-fast);width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea1a}input::placeholder,textarea::placeholder,select::placeholder{color:var(--color-text-tertiary)}input:disabled,textarea:disabled,select:disabled{background:var(--color-bg-tertiary);cursor:not-allowed}label{display:block;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--color-text-primary)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.text-center{text-align:center}.text-primary{color:var(--color-primary)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mt-4{margin-top:var(--spacing-xl)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.mb-4{margin-bottom:var(--spacing-xl)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease}.slide-in{animation:slideIn .3s ease}.spinner{width:40px;height:40px;border:4px solid var(--color-bg-tertiary);border-top-color:var(--color-primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-text-tertiary);border-radius:var(--border-radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-secondary)}