:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--text-primary: #1a1a1a;--text-secondary: #6c757d;--border-color: #e9ecef;--accent-color: #1a1a1a;--accent-hover: #333333;--accent-light: #f0f0f0;--accent-light-hover: #e5e5e5}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #ffffff;--text-secondary: #adb5bd;--border-color: #404040;--accent-color: #ffffff;--accent-hover: #e0e0e0;--accent-light: #3d3d3d;--accent-light-hover: #4a4a4a}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:var(--text-primary);background:var(--bg-primary);height:100vh;overflow:hidden}#app{height:100vh;overflow:hidden}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2}a{color:var(--accent-color);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:.9rem;font-weight:500;border-radius:8px;border:none;cursor:pointer;transition:all .2s ease}.btn-primary{background:var(--bg-primary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-primary:hover{background:var(--accent-light);border-color:var(--text-secondary)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--border-color)}.btn-warning{background:#f59e0b;color:#fff}.btn-warning:hover{background:#d97706}.btn-premium{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.btn-premium:hover{background:linear-gradient(135deg,#5a6fd6,#6a4190)}input,textarea,select{font-family:inherit;font-size:inherit;color:var(--text-primary);background:var(--bg-primary)}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent-color);outline-offset:2px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.fas,.far,.fab{font-family:"Font Awesome 6 Free","Font Awesome 6 Brands";font-weight:900}