:root{--primary-color: #1a472a;--primary-light: #2d5a3d;--secondary-color: #8b4513;--accent-color: #d4af37;--background: #f5f5f5;--surface: #ffffff;--text: #333333;--text-light: #666666;--border: #dddddd;--error: #dc3545;--warning: #ffc107;--success: #28a745;--shadow: rgba(0, 0, 0, .1);--shadow-hover: rgba(0, 0, 0, .15);--input-bg: #f8f9fa;--card-bg: #f8f9fa}.dark-mode{--primary-color: #4a9b5f;--primary-light: #5cb377;--secondary-color: #b87333;--accent-color: #f4d03f;--background: #1a1a1a;--surface: #2d2d2d;--text: #e0e0e0;--text-light: #b0b0b0;--border: #404040;--error: #ff6b6b;--warning: #ffd93d;--success: #51cf66;--shadow: rgba(0, 0, 0, .3);--shadow-hover: rgba(0, 0, 0, .4);--input-bg: #353535;--card-bg: #353535}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--text);background-color:var(--background);padding:1rem;min-height:100vh;transition:background-color .3s ease,color .3s ease}.theme-toggle{background:var(--surface);border:2px solid var(--border);border-radius:8px;padding:.75rem 1rem;cursor:pointer;font-size:1.5rem;transition:all .3s ease;display:flex;align-items:center;justify-content:center;min-width:56px;min-height:56px}.theme-toggle:hover{background:var(--card-bg);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:0 4px 8px var(--shadow)}.theme-toggle:active{transform:translateY(0)}.theme-icon{display:block;transition:transform .3s ease}.theme-toggle:hover .theme-icon{transform:rotate(15deg)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}button:focus-visible,a:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px}.tools-hub-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem;padding:.5rem 0;margin-bottom:1rem;border-bottom:2px solid var(--border)}.tools-hub-home{display:inline-flex;align-items:center;gap:.35rem;color:var(--text);text-decoration:none;font-weight:600;font-size:1rem}.tools-hub-home:hover{color:var(--primary-color)}.tools-hub-footer{margin-top:2rem;padding-top:1rem;border-top:2px solid var(--border);text-align:center;font-size:.9rem;color:var(--text-light)}.tools-hub-footer a{color:var(--primary-color);text-decoration:none}.tools-hub-footer a:hover{text-decoration:underline}.tools-hub-footer-legal{margin-top:.5rem;font-size:.8rem;color:var(--text-light);opacity:.9}body{margin:0!important;padding:0!important}