:root{--primary-gradient:linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);--secondary-gradient:linear-gradient(135deg, #10B981 0%, #059669 100%);--ai-gradient:linear-gradient(135deg, #F59E0B 0%, #D97706 100%);--accent-gradient:linear-gradient(135deg, #EC4899 0%, #DB2777 100%);--bg-light:#F3F4F6;--bg-card:#FFFFFF;--text-primary:#1F2937;--text-secondary:#4B5563;--text-light:#FFFFFF;--success:#10B981;--error:#EF4444;--radius-xl:1rem;--radius-lg:0.75rem;--radius-md:0.5rem;--shadow-soft:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -1px rgba(0, 0, 0, 0.06);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -2px rgba(0, 0, 0, 0.05)}body.dark-mode{--bg-light:#1F2937;--bg-card:#374151;--text-primary:#F9FAFB;--text-secondary:#D1D5DB;--text-light:#FFFFFF}body.dark-mode .grid-cell{background:#4b5563;color:#f9fafb}body.dark-mode .grid-cell.found{background:#6b7280}body.dark-mode .puzzle-grid{background:#1f2937}body.dark-mode .word-item{background:#4b5563;color:#d1d5db}body.dark-mode .word-item.found{background:#6b7280;color:#9ca3af}body.dark-mode .form-group input,body.dark-mode .form-group select,body.dark-mode textarea{background:#4b5563;color:#f9fafb;border-color:#6b7280}body.dark-mode .language-select{background:#4b5563;color:#f9fafb;border-color:#6b7280}body.dark-mode .progress-bar{background:#4b5563}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Fredoka,sans-serif;background-color:var(--bg-light);color:var(--text-primary);line-height:1.5;min-height:100vh;transition:background-color .3s ease,color .3s ease}.global-nav{background:linear-gradient(135deg,#667eea 0,#764ba2 100%);padding:.75rem 1.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-bottom:2px solid rgba(255,255,255,.2);box-shadow:0 2px 8px rgba(0,0,0,.1);position:sticky;top:0;z-index:100}.global-nav .home-link{font-weight:600;font-size:1.1rem;color:#fff;text-decoration:none;padding:.5rem 1rem;border-radius:.5rem;background:rgba(255,255,255,.1);transition:all .3s ease}.global-nav .home-link:hover{background:rgba(255,255,255,.2)}.global-nav .global-links{display:flex;flex-wrap:wrap;gap:.75rem}.global-nav .global-links a{color:#fff;text-decoration:none;font-size:.9rem;padding:.4rem .8rem;border-radius:.4rem;background:rgba(255,255,255,.05);transition:all .3s ease}.global-nav .global-links a:hover{background:rgba(255,255,255,.15)}.global-nav .global-links a.active{background:rgba(255,255,255,.25);font-weight:600}@media (max-width:768px){.global-nav{flex-direction:column;align-items:flex-start;padding:.75rem 1rem}.global-nav .global-links{width:100%;justify-content:flex-start}.global-nav .global-links a{font-size:.85rem;padding:.35rem .65rem}}.top-bar{background:var(--bg-card);padding:.75rem 0;box-shadow:var(--shadow-soft);position:sticky;top:0;z-index:50;transition:background-color .3s ease}.top-bar-content{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.25rem;color:#6366f1}.logo img{transition:opacity .3s ease}body.dark-mode .logo{color:#a5b4fc}body.dark-mode .logo img{opacity:.9}.logo-icon{height:1.5em;width:auto}.header-actions{display:flex;align-items:center;gap:1.5rem}.language-select{padding:.4rem .8rem;border-radius:var(--radius-md);border:1px solid #e5e7eb;background:#f9fafb;font-family:inherit;font-size:.9rem;color:var(--text-primary);cursor:pointer;transition:all .2s}.language-select:focus{outline:0;border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.1)}.theme-toggle-btn{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius-md);border:1px solid #e5e7eb;background:#f9fafb;font-family:inherit;font-size:.9rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:all .2s}.theme-toggle-btn:hover{background:#f3f4f6;border-color:#6366f1}.theme-toggle-btn:focus{outline:0;border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.1)}body.dark-mode .theme-toggle-btn{background:#4b5563;border-color:#6b7280;color:#f9fafb}body.dark-mode .theme-toggle-btn:hover{background:#6b7280;border-color:#8b5cf6}#theme-icon{font-size:1.2rem}.hero{background:var(--primary-gradient);color:var(--text-light);padding:4rem 1.5rem;text-align:center}.hero-content{max-width:800px;margin:0 auto}.hero-title{font-size:3rem;font-weight:700;margin-bottom:1rem}.hero-subtitle{font-size:1.25rem;opacity:.9}.app-container{max-width:1000px;margin:-2rem auto 4rem;padding:0 1.5rem}.card{background:var(--bg-card);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:var(--shadow-lg);margin-bottom:1.5rem;transition:background-color .3s ease}.config-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem}.card-words{grid-column:span 2}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:600;color:var(--text-secondary)}.form-group input,.form-group select,textarea{width:100%;padding:.75rem 1rem;border:2px solid #e5e7eb;border-radius:var(--radius-lg);font-family:Fredoka,sans-serif;font-size:1rem;transition:border-color .2s,background-color .3s ease,color .3s ease}.form-group input:focus,.form-group select:focus,textarea:focus{outline:0;border-color:#6366f1}textarea{min-height:150px;font-family:monospace;resize:vertical}.settings-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.checkbox-group{display:flex;gap:2rem;margin-top:1rem}.checkbox-item{display:flex;align-items:center;gap:.5rem;cursor:pointer}.checkbox-item input{width:1.25rem;height:1.25rem;accent-color:#6366F1}.ai-buttons{margin-top:1.5rem}.main-actions{text-align:center;margin:2rem 0;scroll-margin-top:100px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-lg);font-weight:600;cursor:pointer;border:none;color:var(--text-light);transition:transform .2s,filter .2s}.btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn-icon{font-size:1.25rem}.btn-ai{background:var(--ai-gradient);width:100%}.btn-primary{background:var(--secondary-gradient)}.btn-lg{padding:1rem 3rem;font-size:1.25rem}.btn-secondary{background:#6b7280}.btn-accent{background:var(--accent-gradient)}.game-area{margin-top:2rem}.timer-display{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;font-weight:700;background:#fef3c7;padding:.5rem 1.5rem;border-radius:9999px;display:inline-flex;align-items:center;gap:.5rem;position:relative;left:50%;transform:translateX(-50%)}.score-display{text-align:center;margin-bottom:1.5rem;margin-left:1rem;font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,gold 0,orange 100%);padding:.75rem 1.5rem;border-radius:9999px;display:inline-flex;align-items:center;gap:.5rem;color:#1a1a2e;box-shadow:0 4px 12px rgba(255,215,0,.3)}.score-icon{font-size:1.5rem}.score-value{font-size:1.5rem;font-weight:700}.game-container{display:flex;gap:2rem;flex-wrap:wrap;justify-content:center}.puzzle-wrapper{position:relative;display:inline-block}.puzzle-grid{display:grid;gap:2px;background:#d1d5db;padding:10px;border-radius:var(--radius-md);user-select:none;--cell-size:35px;position:relative;z-index:1;transition:background-color .3s ease}.grid-cell{width:var(--cell-size);height:var(--cell-size);background:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:calc(var(--cell-size) * .4);text-transform:uppercase;position:relative;z-index:2;transition:background-color .3s ease,color .3s ease}.grid-cell.found{background:#f3f4f6}.selection-canvas{position:absolute;top:0;left:0;pointer-events:none;z-index:1;opacity:.8}.word-list-container{min-width:250px}.word-list{display:grid;grid-template-columns:repeat(2,1fr);gap:.5rem;margin-top:1rem}.word-item{padding:.5rem;background:#f9fafb;border-radius:var(--radius-md);text-align:center;font-weight:600;text-transform:uppercase;color:var(--text-secondary);transition:background-color .3s ease,color .3s ease}.word-item.found{text-decoration:line-through;color:#9ca3af;background:#e5e7eb}.progress-container{margin-top:1.5rem}.progress-bar{height:.75rem;background:#e5e7eb;border-radius:9999px;overflow:hidden}.progress-fill{height:100%;background:var(--secondary-gradient);width:0%;transition:width .3s}.progress-text{text-align:center;margin-top:.5rem;font-weight:600}.action-buttons{display:flex;justify-content:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}.export-dropdown{position:relative}.export-menu{position:absolute;bottom:100%;left:0;background:var(--bg-card);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);width:200px;display:none;flex-direction:column;z-index:10}.export-dropdown:hover .export-menu{display:flex}.export-option{padding:.75rem 1rem;background:0 0;border:none;text-align:left;cursor:pointer;font-weight:600}.export-option:hover{background:#f3f4f6}.info-section{margin-top:4rem}.info-card h2{margin-bottom:1rem}.info-card p{margin-bottom:1.5rem;color:var(--text-secondary)}hr{margin:2rem 0;border:none;border-top:1px solid #e5e7eb}.related-tools-section{margin-top:2rem;margin-bottom:2rem}.related-tools-card{background:linear-gradient(135deg,#f9fafb 0,#f3f4f6 100%)}body.dark-mode .related-tools-card{background:linear-gradient(135deg,#374151 0,#1f2937 100%)}.related-tools-card h2{margin-bottom:1.5rem;color:var(--text-primary)}.tool-card{background:var(--bg-card);padding:1.5rem;border-radius:var(--radius-lg);border:2px solid #e5e7eb;transition:all .3s ease}body.dark-mode .tool-card{border-color:#4b5563}.tool-card:hover{border-color:#6366f1;transform:translateY(-2px);box-shadow:0 10px 20px rgba(99,102,241,.1)}.tool-card h3{color:#6366f1;margin-bottom:.75rem;font-size:1.25rem}body.dark-mode .tool-card h3{color:#a5b4fc}.tool-card p{color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.6}.tool-card .btn{margin-top:.5rem}.external-link-icon{font-size:1.25rem;transition:transform .2s}.tool-card .btn:hover .external-link-icon{transform:translateX(4px)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--bg-card);padding:3rem;border-radius:var(--radius-xl);text-align:center;max-width:500px;width:90%;box-shadow:var(--shadow-lg)}@media (max-width:768px){.config-grid{grid-template-columns:1fr}.card-words{grid-column:span 1}.settings-row{grid-template-columns:1fr}.hero-title{font-size:2rem}}.notification-container{position:fixed;top:20px;right:20px;display:flex;flex-direction:column;gap:10px;z-index:2000;pointer-events:none}.notification-toast{background:var(--bg-card);color:var(--text-primary);padding:1rem 1.5rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:.75rem;min-width:300px;max-width:400px;pointer-events:auto;animation:slideIn .3s ease-out forwards;border-left:4px solid #6366f1}.notification-toast.error{border-left-color:var(--error)}.notification-toast.success{border-left-color:var(--success)}.notification-toast.warning{border-left-color:#f59e0b}.notification-icon{font-size:1.25rem}.notification-message{font-weight:500;font-size:.95rem;line-height:1.4}@keyframes slideIn{from{opacity:0;transform:translateX(100%)}to{opacity:1;transform:translateX(0)}}@keyframes fadeOut{to{opacity:0;transform:translateX(100%)}}