:root{--primary: #6366f1;--primary-hover: #4f46e5;--secondary: #ec4899;--accent: #8b5cf6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--bg-body: #f8fafc;--bg-card: #ffffff;--bg-input: #f1f5f9;--border: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--text-light: #94a3b8;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--transition: all .2s ease-in-out}@media(prefers-color-scheme:dark){:root{--bg-body: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--border: #334155;--text-main: #f8fafc;--text-muted: #94a3b8;--text-light: #64748b}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-body);color:var(--text-main);line-height:1.6;min-height:100vh;transition:background-color .3s,color .3s}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background-color:var(--bg-card);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-md);border:1px solid var(--border);transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:var(--transition);border:none;font-size:.95rem;gap:.5rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:transparent;border:1px solid var(--border);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-input)}.input{width:100%;padding:.75rem 1rem;border-radius:var(--radius-md);border:1px solid var(--border);background-color:var(--bg-input);color:var(--text-main);transition:var(--transition);outline:none}.input:focus{border-color:var(--primary);box-shadow:0 0 0 2px #6366f133}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.font-bold{font-weight:700}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.app-container{max-width:1200px;margin:0 auto;padding:2rem;text-align:center}