:root{--font-inter: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-main: #fafafa;--bg-surface: #ffffff;--bg-surface-rgb: 255, 255, 255;--bg-surface-hover: #f5f5f5;--text-primary: #171717;--text-secondary: #737373;--text-disabled: #a3a3a3;--border-light: #e5e5e5;--border-strong: #d4d4d4;--accent-blue: #2563eb;--accent-blue-hover: #1d4ed8;--accent-blue-subtle: #eff6ff;--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-glass: 0 4px 30px rgba(0, 0, 0, .05);--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease}@media (prefers-color-scheme: dark){:root{--bg-main: #0a0a0a;--bg-surface: #171717;--bg-surface-rgb: 23, 23, 23;--bg-surface-hover: #262626;--text-primary: #ededed;--text-secondary: #a3a3a3;--text-disabled: #525252;--border-light: #262626;--border-strong: #404040;--accent-blue: #3b82f6;--accent-blue-hover: #60a5fa;--accent-blue-subtle: rgba(59, 130, 246, .15);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-glass: 0 4px 30px rgba(0, 0, 0, .5)}}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;overflow-x:hidden;min-height:100vh}body{font-family:var(--font-inter);background-color:var(--bg-main);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;letter-spacing:-.025em;color:var(--text-primary)}p{color:var(--text-secondary)}a{color:var(--accent-blue);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent-blue-hover)}.font-medium{font-weight:500}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.card{background-color:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.auth-card{width:100%;max-width:400px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;font-size:.875rem;font-weight:500;color:var(--text-primary);border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-fast);outline:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:not(:disabled):active{transform:scale(.98)}.btn-primary{background-color:var(--accent-blue);color:#fff}.btn-primary:hover{background-color:var(--accent-blue-hover);box-shadow:var(--shadow-sm)}.btn-secondary{background-color:transparent;color:var(--text-primary);border-color:var(--border-strong)}.btn-secondary:hover{background-color:var(--bg-surface-hover)}.input-group{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.25rem}.input-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.input-field{width:100%;padding:.625rem .875rem;font-family:inherit;font-size:.875rem;color:var(--text-primary);background-color:var(--bg-main);border:1px solid var(--border-light);border-radius:var(--radius-md);transition:all var(--transition-fast);color-scheme:dark}.input-field::placeholder{color:var(--text-disabled)}.input-field:hover{border-color:var(--border-strong)}.input-field:focus{outline:none;border-color:var(--accent-blue);box-shadow:0 0 0 2px var(--accent-blue-subtle);background-color:var(--bg-surface)}.fade-in-up{animation:fadeInUp .4s cubic-bezier(.16,1,.3,1) forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}