.login-container{min-height:100vh;display:flex;justify-content:center;align-items:center;background:var(--bg-primary);background-image:radial-gradient(at 0% 0%,rgba(102,126,234,.15) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(118,75,162,.15) 0px,transparent 50%);padding:20px}.login-box{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-light);border-radius:24px;box-shadow:0 10px 40px var(--card-shadow);padding:50px;width:100%;max-width:440px;animation:slideUpFade .6s ease-out}@keyframes slideUpFade{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-box h1{margin:0 0 8px;color:var(--text-primary);font-size:2.2rem;text-align:center;font-weight:900;letter-spacing:-1px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.login-box h2{margin:0 0 40px;color:var(--text-tertiary);font-size:1.1rem;text-align:center;font-weight:600;text-transform:uppercase;letter-spacing:2px}.login-error{background-color:var(--error-bg);color:var(--error-text);padding:14px;border-radius:12px;margin-bottom:25px;border:1px solid var(--error-border);text-align:center;font-weight:500;font-size:.9rem}.login-box .form-group{margin-bottom:25px}.login-box .form-group label{display:block;margin-bottom:10px;color:var(--text-primary);font-weight:700;font-size:.95rem}.login-box .form-group input{width:100%;padding:15px 18px;border:2px solid var(--border-light);border-radius:14px;font-size:1rem;box-sizing:border-box;background-color:var(--input-bg);color:var(--text-primary);transition:all .2s cubic-bezier(.4,0,.2,1)}.login-box .form-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 4px #667eea1a;transform:translateY(-1px)}.btn-block{width:100%;padding:16px;font-size:1.1rem;margin-top:15px;border-radius:16px}.login-footer{margin-top:30px;text-align:center}.btn-link{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:.95rem;font-weight:500;transition:all .2s;padding:8px 16px;border-radius:8px}.btn-link:hover{color:var(--accent-primary);background:#667eea0d}.updates-container{padding:40px 20px;max-width:900px;margin:0 auto;animation:fadeIn .5s ease-out}.updates-card-wrapper{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:40px;border-radius:20px;box-shadow:0 8px 32px var(--card-shadow);border:1px solid var(--border-light);transition:all .3s ease}.updates-title{margin-bottom:20px;text-align:center;font-size:2.5rem;font-weight:800;color:var(--text-primary);letter-spacing:-1px}.updates-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--border-light)}.btn-refresh{padding:12px 24px;font-size:1rem;font-weight:700;color:var(--text-primary);background:var(--bg-hover);border:1px solid var(--border-light);border-radius:12px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:8px}.btn-refresh:hover:not(:disabled){background:var(--border-light);transform:translateY(-2px)}.btn-refresh:active:not(:disabled){transform:translateY(-1px)}.btn-refresh:disabled{opacity:.7;cursor:wait;filter:grayscale(.5)}.updates-info-box{background:var(--bg-hover);padding:20px;border-radius:12px;margin-bottom:30px;color:var(--text-secondary);font-size:.95rem;line-height:1.6;border-left:4px solid var(--accent-primary)}.updates-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px}.update-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-top:4px solid var(--tag-color, var(--border-light));border-radius:16px;padding:24px;transition:all .3s ease;position:relative;overflow:hidden}.update-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0000000d}.update-tag-badge{display:inline-block;padding:6px 14px;background:var(--tag-color);color:#fff;border-radius:20px;font-weight:700;font-size:.85rem;margin-bottom:20px;text-transform:uppercase;box-shadow:0 2px 8px #00000026}.update-detail-row{display:flex;flex-direction:column;gap:8px}.update-detail-label{font-size:.75rem;text-transform:uppercase;color:var(--text-tertiary);font-weight:700;letter-spacing:.5px}.update-detail-value{font-size:1.1rem;color:var(--text-primary);font-weight:700}.update-time-ago{font-size:.9rem;color:var(--text-secondary);margin-top:5px;display:flex;align-items:center;gap:6px}.update-description{margin-top:20px;padding-top:15px;border-top:1px dashed var(--border-light);font-size:.9rem;color:var(--text-tertiary)}.updates-footer{margin-top:40px;padding:20px;background:#667eea0d;border-radius:12px;color:var(--text-secondary);font-size:.9rem;text-align:center;border:1px dashed var(--accent-primary)}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite;display:inline-block}.message-box{margin-bottom:30px;padding:20px;border-radius:12px;font-weight:500;display:flex;align-items:center;gap:15px;animation:slideIn .3s ease-out}@media (max-width: 600px){.updates-grid{grid-template-columns:1fr}.updates-toggle-header{flex-direction:column;gap:15px;align-items:flex-start}}.export-container{padding:40px 20px;max-width:900px;margin:0 auto;animation:fadeIn .5s ease-out}.export-title{margin-bottom:30px;color:var(--text-primary);text-align:center;font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--accent-primary) 0%,#764ba2 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.export-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:40px;border-radius:20px;box-shadow:0 8px 32px var(--card-shadow);border:1px solid var(--border-light);transition:all .3s ease}.export-section-title{display:block;margin-bottom:15px;font-weight:700;color:var(--text-primary);font-size:1.1rem;display:flex;align-items:center;gap:10px}.export-select-wrapper{margin-bottom:30px}.premium-select{width:100%;padding:14px 20px;font-size:1rem;border-radius:12px;border:2px solid var(--border-light);background-color:var(--input-bg);color:var(--text-primary);cursor:pointer;transition:all .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 15px center;background-size:18px}.premium-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 4px #667eea1a}.export-actions{display:flex;gap:15px;margin-top:20px}.btn-export{flex:1;padding:18px 25px;font-size:1.1rem;font-weight:700;color:#fff;border:none;border-radius:14px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 15px #0000001a}.btn-export:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px #00000026}.btn-export:active:not(:disabled){transform:translateY(-1px)}.btn-export:disabled{opacity:.6;cursor:not-allowed;filter:grayscale(.5)}.btn-excel{background:linear-gradient(135deg,#4caf50,#2e7d32)}.btn-json{background:linear-gradient(135deg,#2196f3,#1565c0)}.message-box{margin-top:30px;padding:20px;border-radius:12px;font-weight:500;display:flex;align-items:center;gap:15px;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.message-box.success{background-color:var(--success-bg);color:var(--color-success);border:1px solid var(--color-success)}.message-box.error{background-color:var(--error-bg);color:var(--color-danger);border:1px solid var(--color-danger)}.message-box.info{background-color:var(--bg-hover);color:var(--accent-primary);border:1px solid var(--accent-primary)}.info-grid{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:20px}.info-card{background:var(--bg-secondary);padding:25px;border-radius:16px;border:1px solid var(--border-light);transition:transform .2s}.info-card:hover{transform:translateY(-5px)}.info-card h4{margin:0 0 10px;color:var(--accent-primary);display:flex;align-items:center;gap:8px}.info-card p{margin:0;font-size:.95rem;color:var(--text-secondary);line-height:1.6}@media (max-width: 768px){.export-actions{flex-direction:column}.info-grid{grid-template-columns:1fr}.export-title{font-size:2rem}.export-card{padding:25px}}.column-selector-card{margin-bottom:30px;padding:25px;background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:16px}.column-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-top:15px}.column-label{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--card-bg);border:1px solid var(--border-light);border-radius:10px;cursor:pointer;transition:all .2s;-webkit-user-select:none;user-select:none}.column-label:hover{border-color:var(--accent-primary);background:var(--bg-hover)}.column-label.active{border-color:var(--accent-primary);background:#667eea1a;color:var(--accent-primary);font-weight:600}.column-checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--accent-primary)}.export-steps{display:flex;align-items:center;justify-content:space-between;margin-bottom:40px;padding:0 10px}.step-item{font-weight:700;color:var(--text-tertiary);font-size:.95rem;position:relative;z-index:2;background:var(--card-bg);padding:0 10px;transition:all .3s}.step-item.active{color:var(--accent-primary);transform:scale(1.05)}.step-item.completed{color:var(--color-success)}.step-line{flex:1;height:2px;background:var(--border-light);margin:0 10px;position:relative;top:1px;transition:background .3s ease}.step-line.active{background:var(--accent-primary)}.preview-stat-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:16px;padding:30px;text-align:center;margin-bottom:30px;box-shadow:inset 0 2px 10px #00000005}.stat-label{color:var(--text-tertiary);font-size:1rem;margin-bottom:10px;text-transform:uppercase;letter-spacing:1px;font-weight:600}.stat-value{font-size:3.5rem;font-weight:800;color:var(--text-primary);line-height:1;margin-bottom:10px;background:linear-gradient(135deg,var(--text-primary) 0%,var(--text-secondary) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.stat-subtitle{color:var(--accent-primary);font-weight:600;font-size:1.1rem}.batch-config-section{margin-bottom:40px;text-align:center}.batch-size-options{display:flex;justify-content:center;gap:15px;margin-top:15px;flex-wrap:wrap}.batch-size-btn{padding:12px 24px;border-radius:12px;border:1px solid var(--border-light);background:var(--bg-secondary);color:var(--text-secondary);font-weight:600;cursor:pointer;transition:all .2s;font-size:1rem}.batch-size-btn:hover{background:var(--bg-hover);border-color:var(--accent-primary);transform:translateY(-2px)}.batch-size-btn.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary);box-shadow:0 4px 12px #667eea66}.batch-info-text{margin-top:15px;color:var(--text-secondary);font-size:.95rem}.grid-header{text-align:center;margin-bottom:30px}.grid-header h3{margin:0 0 10px;color:var(--text-primary);font-size:1.5rem}.grid-header p{color:var(--text-tertiary);margin:0}.batch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:15px;max-height:500px;overflow-y:auto;padding:5px}.batch-card{background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:12px;padding:15px;text-align:center;cursor:pointer;transition:all .2s;display:flex;flex-direction:column;align-items:center;gap:8px}.batch-card:hover:not(:disabled){border-color:var(--accent-primary);transform:translateY(-3px);box-shadow:0 4px 15px #0000000d}.batch-card.downloaded{background:#2e7d321a;border-color:var(--color-success)}.batch-range{font-weight:700;font-size:1.1rem;color:var(--text-primary)}.batch-status{font-size:.85rem;color:var(--text-tertiary);font-weight:500}.batch-card.downloaded .batch-status{color:var(--color-success)}.fade-in{animation:fadeIn .4s ease-out}.diff-checker-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);animation:fadeIn .3s ease}.diff-checker-modal{background:var(--bg-card, #1e1e1e);width:95%;height:90%;border-radius:20px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 25px 50px -12px #00000080;border:1px solid var(--border-color, #333)}.diff-header{padding:20px 30px;background:#ffffff08;border-bottom:1px solid var(--border-color, #333);display:flex;justify-content:space-between;align-items:center}.diff-title{margin:0;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent}.diff-stats{display:flex;gap:20px;font-size:.9rem;color:var(--text-secondary, #aaa)}.diff-stat-item strong{color:var(--text-primary, #fff);margin-left:5px}.diff-content{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:15px}.diff-item{background:#ffffff05;border-radius:12px;border:1px solid var(--border-color, #333);overflow:hidden;transition:transform .2s ease;flex-shrink:0}.diff-item:hover{transform:translateY(-2px);background:#ffffff0a}.diff-item-header{padding:12px 20px;background:#0003;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color, #333);cursor:pointer}.diff-item-title{font-weight:600;color:var(--text-primary, #fff);display:flex;align-items:center;gap:10px}.diff-badge{padding:4px 8px;border-radius:6px;font-size:.75rem;font-weight:700;text-transform:uppercase}.diff-badge.changed{background:#eab30833;color:#fbbf24}.diff-badge.added{background:#22c55e33;color:#4ade80}.diff-badge.removed{background:#ef444433;color:#f87171}.diff-badge.identical{background:#94a3b833;color:#94a3b8}.diff-comparison{display:flex;min-height:100px}.diff-side{flex:1;padding:15px;border-right:1px solid var(--border-color, #333)}.diff-side:last-child{border-right:none}.diff-side-header{font-size:.8rem;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;color:var(--text-secondary, #888);font-weight:600}.diff-code-block{font-family:Fira Code,monospace;font-size:.85rem;white-space:pre-wrap;word-break:break-all;line-height:1.5}.diff-line{display:block}.diff-highlight-add{background-color:#22c55e26;color:#86efac}.diff-highlight-remove{background-color:#ef444426;color:#fca5a5;text-decoration:line-through}.diff-footer{padding:20px 30px;background:#0000004d;border-top:1px solid var(--border-color, #333);display:flex;justify-content:flex-end;gap:15px}.btn-diff-cancel,.btn-diff-confirm{padding:10px 24px;border-radius:10px;font-weight:600;transition:all .2s ease;border:none;cursor:pointer}.btn-diff-cancel{background:transparent;color:var(--text-secondary, #aaa);border:1px solid var(--border-color, #444)}.btn-diff-cancel:hover{background:#ffffff0d;color:#fff}.btn-diff-confirm{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:#fff;box-shadow:0 4px 15px #3b82f666}.btn-diff-confirm:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.diff-content::-webkit-scrollbar{width:8px}.diff-content::-webkit-scrollbar-track{background:transparent}.diff-content::-webkit-scrollbar-thumb{background:#555;border-radius:4px}.diff-content::-webkit-scrollbar-thumb:hover{background:#777}.diff-header-actions{display:flex;gap:10px}.diff-view-toggle{background:#ffffff1a;border:1px solid var(--border-color, #444);color:var(--text-secondary, #aaa);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:.85rem;transition:all .2s}.diff-view-toggle.active{background:#60a5fa33;color:#60a5fa;border-color:#60a5fa}.diff-view-toggle:hover{background:#ffffff26;color:#fff}.diff-raw-container{display:flex;height:100%;overflow:hidden;gap:1px;background:var(--border-color, #333)}.diff-raw-side{flex:1;display:flex;flex-direction:column;background:var(--bg-card, #1e1e1e);overflow:hidden}.diff-raw-header{padding:10px;background:#0000004d;text-align:center;font-weight:700;font-size:.9rem;color:var(--text-secondary, #aaa);border-bottom:1px solid var(--border-color, #333)}.diff-raw-content{flex:1;overflow:auto;padding:15px;margin:0;font-family:Fira Code,monospace;font-size:13px;line-height:1.5;color:#d4d4d4;white-space:pre}.diff-comparison.detailed{padding:0}.diff-field-list{display:flex;flex-direction:column;gap:4px}.diff-field-row{display:flex;flex-direction:column;padding:8px 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.field-value{color:#86efac;text-decoration:none}.raw-diff-line{line-height:1.5;padding:0 8px 0 4px;transition:background-color .2s ease;display:flex;align-items:flex-start}.raw-diff-line .line-number{display:inline-block;min-width:45px;text-align:right;padding-right:12px;color:#666;-webkit-user-select:none;user-select:none;font-size:.8em;flex-shrink:0;border-right:1px solid #444;margin-right:12px}.raw-diff-line .line-content{flex:1;white-space:pre}.raw-diff-line.line-added{background-color:#22c55e26}.raw-diff-line.line-added .line-content{color:#86efac}.raw-diff-line.line-added .line-number{color:#4ade80}.raw-diff-line.line-removed{background-color:#ef444426}.raw-diff-line.line-removed .line-content{color:#fca5a5}.raw-diff-line.line-removed .line-number{color:#f87171}.import-container{padding:40px 20px;max-width:800px;margin:0 auto;animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.import-title{margin-bottom:30px;color:var(--text-primary);text-align:center;font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,#ff416c,#ff4b2b);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.import-card{background:var(--card-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:40px;border-radius:24px;box-shadow:0 8px 32px var(--card-shadow);border:1px solid var(--border-light)}.import-form-group{margin-bottom:30px}.import-label{display:flex;align-items:center;gap:8px;margin-bottom:12px;font-weight:700;color:var(--text-primary);font-size:1.1rem}.import-dropzone{display:block;width:100%;min-height:200px;border:2px solid var(--border-light);border-radius:20px;padding:40px;text-align:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);background:var(--bg-hover);box-shadow:inset 0 2px 4px #0000000d;display:flex;align-items:center;justify-content:center}.import-dropzone:hover{border-color:var(--accent-primary);background:#667eea14;transform:translateY(-2px);box-shadow:0 5px 15px #667eea1a}.import-dropzone.active{border-color:var(--color-success);background:#34d3990d}.import-file-input{display:none}.import-file-placeholder{display:flex;flex-direction:column;align-items:center;gap:12px;color:var(--text-tertiary)}.icon-main{font-size:3.5rem;margin-bottom:5px;display:block}.primary-text{margin:5px 0;font-size:1.1rem;font-weight:600;color:var(--text-primary)}.secondary-text{margin:0;font-size:.9rem;opacity:.8}.import-filename{margin-top:10px;padding:10px 20px;background:var(--accent-primary);color:#fff;border-radius:12px;font-size:1rem;font-weight:700;box-shadow:0 4px 12px #667eea4d;animation:slideUp .3s ease-out}.btn-import{width:100%;padding:18px;font-size:1.15rem;font-weight:700;color:#fff;background:linear-gradient(135deg,#4caf50,#2e7d32);border:none;border-radius:14px;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 15px #4caf504d;display:flex;align-items:center;justify-content:center;gap:12px}.btn-import:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 8px 25px #4caf5066}.btn-import:disabled{background:var(--bg-hover);color:var(--text-muted);box-shadow:none;cursor:not-allowed;filter:grayscale(1)}.import-message{margin-top:25px;padding:20px;border-radius:12px;font-weight:600;display:flex;align-items:center;gap:12px;animation:slideUp .3s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.import-message.success{background:var(--success-bg);color:var(--color-success);border:1px solid var(--color-success)}.import-message.error{background:var(--error-bg);color:var(--color-danger);border:1px solid var(--color-danger)}.import-message.info{background:var(--bg-hover);color:var(--accent-primary);border:1px solid var(--accent-primary)}.spinning{display:inline-block;animation:rotate 1.5s linear infinite}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.app{background:var(--bg-primary);min-height:100vh;display:flex;flex-direction:column;transition:background-color .3s ease}.modern-header{background:var(--header-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1000;padding:0 30px;height:70px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);border-bottom:1px solid var(--header-border);transition:background-color .3s ease,border-color .3s ease}.header-left{display:flex;align-items:center;gap:40px}.header-logo{font-size:1.5rem;font-weight:900;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px;text-transform:uppercase}.header-nav{display:flex;gap:12px}.header-content-mobile{display:flex;flex:1;justify-content:space-between;align-items:center;margin-left:40px}.header-actions{display:flex;align-items:center;gap:16px}.nav-link{padding:10px 20px;border-radius:12px;color:var(--text-tertiary);font-weight:600;font-size:.95rem;transition:all .3s ease;background:transparent;border:none;cursor:pointer}.nav-link:hover{color:var(--text-primary);background:#667eea1a;transform:translateY(-1px)}.nav-link.active{color:#fff;background:var(--accent-primary);box-shadow:0 4px 12px #667eea4d}.header-right{display:flex;align-items:center;gap:16px}.user-profile{display:flex;align-items:center;gap:12px;padding:6px 12px;background:var(--bg-secondary);border-radius:20px;border:1px solid var(--border-light);transition:background-color .3s ease,border-color .3s ease}.user-email{font-size:.9rem;color:var(--text-secondary);font-weight:500}.btn-logout{padding:6px 12px;font-size:.85rem;color:var(--color-danger);background:transparent;border:1px solid transparent;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s}.btn-logout:hover{background:var(--error-bg);border-color:var(--error-border)}.btn-theme-toggle{padding:8px 12px;font-size:1.2rem;background:transparent;border:1px solid var(--border-light);border-radius:6px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.btn-theme-toggle:hover{background:var(--bg-hover);border-color:var(--accent-primary);transform:rotate(180deg)}.detail-header{scroll-margin-top:90px}.error-message{background-color:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);padding:15px;margin:20px;border-radius:4px}.no-files-message{background-color:var(--error-bg);border:1px solid var(--color-warning);color:var(--text-primary);padding:30px;margin:20px;border-radius:4px;text-align:center}.no-files-message strong{display:block;font-size:1.2rem;margin-bottom:10px}.no-files-message p{margin:8px 0;color:var(--text-secondary)}.file-selection-section{padding:60px 20px;text-align:center;animation:fadeIn .6s ease-out}.file-selection-section h2{margin:0 0 15px;color:var(--text-primary);font-size:2.2rem;font-weight:800;letter-spacing:-.5px}.file-selection-section p{margin:0 0 40px;color:var(--text-tertiary);font-size:1.1rem}.file-selection-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:25px;max-width:1000px;margin:0 auto}.file-selection-btn{padding:40px 20px;background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--text-primary);border:1px solid var(--border-light);border-radius:24px;font-size:2.5rem;font-weight:900;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);box-shadow:0 4px 20px var(--shadow-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;position:relative;overflow:hidden}.file-selection-btn:after{content:"Level";font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--text-tertiary);opacity:.7}.file-selection-btn:hover{transform:translateY(-10px) scale(1.05);box-shadow:0 15px 35px var(--card-hover-shadow);border-color:var(--accent-primary);background:var(--bg-hover)}.file-selection-btn:active{transform:scale(.95)}.words-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;margin-bottom:40px}.word-card-list{background:var(--card-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--border-light);border-radius:20px;padding:25px;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;position:relative;box-shadow:0 4px 15px var(--card-shadow)}.word-card-list:hover{transform:translateY(-8px);box-shadow:0 12px 30px var(--card-hover-shadow);border-color:var(--accent-primary);background:var(--bg-hover)}.check-icon-badge{position:absolute;top:-10px;right:-10px;width:40px;height:40px;background:linear-gradient(135deg,#4caf50,#2e7d32);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #4caf5066;z-index:10;border:4px solid var(--bg-primary)}.file-navigation{padding:20px 30px;background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.nav-controls{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.current-file-info{flex:1;text-align:center;color:var(--text-primary);font-size:1rem}.current-file-info strong{color:var(--accent-primary)}.add-button-section{padding:30px;text-align:center;border-bottom:1px solid var(--border-color)}.btn-add{padding:15px 30px;font-size:1.1rem;font-weight:600}.form-section,.table-section{padding:30px}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.form-header h2{margin:0}.form-section{border-bottom:1px solid #eee}.form-section h2,.table-section h2{margin:0 0 20px;color:var(--text-primary);font-size:1.5rem}.form-section-inner{margin:30px 0;padding:20px;background-color:var(--bg-secondary);border-radius:4px;border-left:4px solid var(--accent-primary);transition:background-color .3s ease}.form-section-inner h3{margin:0 0 15px;color:var(--text-secondary);font-size:1.2rem}.form-section-inner h4{margin:15px 0 10px;color:var(--text-tertiary);font-size:1rem}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;color:var(--text-secondary);font-weight:500}.form-group input{width:100%;padding:10px;border:1px solid var(--input-border);border-radius:4px;font-size:1rem;transition:border-color .2s;background-color:var(--input-bg);color:var(--text-primary)}.form-group input:focus{outline:none;border-color:var(--accent-primary)}.form-actions{display:flex;gap:10px;margin-top:30px}.btn{padding:12px 24px;border:none;border-radius:12px;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275);font-weight:700;box-shadow:0 4px 10px #0000000d}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #667eea4d}.word-card-header h3{margin:0;color:var(--text-primary);font-size:2.2rem;font-weight:900;letter-spacing:-1px}.btn-secondary{background-color:var(--text-light);color:#fff}.btn-secondary:hover{background-color:var(--text-secondary)}.btn-small{padding:5px 12px;font-size:.875rem;margin-right:5px}.btn-edit{background-color:var(--color-success);color:#fff}.btn-edit:hover{background-color:var(--color-success);filter:brightness(.9)}.btn-delete{background-color:var(--color-danger);color:#fff}.btn-delete:hover{background-color:var(--color-danger);filter:brightness(.9)}.btn-undo{background-color:var(--color-info);color:#fff}.btn-undo:hover{background-color:var(--color-info);filter:brightness(.9)}.loading,.empty-state{text-align:center;padding:40px;color:var(--text-tertiary);font-size:1.1rem}.example-sentence-group{margin-bottom:20px;padding:15px;background:var(--surface-bg);border:1px solid var(--border-color);border-radius:4px;transition:all .3s ease}.example-sentence-group.marked-for-removal{background-color:var(--bg-secondary);opacity:.6;border-color:var(--border-light)}.example-sentence-group.marked-for-removal input{background-color:var(--input-disabled-bg);color:var(--text-muted);cursor:not-allowed}.example-sentence-group.marked-for-removal label{color:var(--text-muted)}.example-sentence-group.marked-for-removal .example-sentence-actions{pointer-events:auto}.example-sentence-actions,.example-sentence-group .btn{margin-top:10px}.quiz-section{margin:20px 0;padding:15px;background:var(--surface-bg);border-radius:4px;border:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.quiz-option{display:flex;align-items:center;gap:15px;margin-bottom:15px;padding:12px;background:var(--bg-secondary);border-radius:6px;transition:background-color .3s ease}.quiz-option-input{flex:1;padding:12px 15px;border:2px solid var(--border-color);border-radius:4px;font-size:1.3rem;font-weight:500;transition:border-color .2s;background-color:var(--input-bg);color:var(--text-primary)}.quiz-option-input:focus{outline:none;border-color:var(--accent-primary)}.radio-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:1rem;color:var(--text-secondary);font-weight:500;white-space:nowrap}.radio-label input[type=radio]{width:18px;height:18px;cursor:pointer}.checkbox-label{display:flex;align-items:center;gap:5px;cursor:pointer;font-size:.9rem;color:var(--text-secondary)}.checkbox-label input[type=checkbox]{width:auto;cursor:pointer}.modern-checkbox-label{display:flex;align-items:center;gap:12px;cursor:pointer;padding:8px 16px;background:var(--surface-bg);border:2px solid var(--accent-primary);border-radius:8px;transition:all .3s ease}.modern-checkbox-label:hover{background:var(--bg-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 2px 8px #667eea33}.modern-checkbox{width:24px;height:24px;cursor:pointer;appearance:none;-webkit-appearance:none;-moz-appearance:none;border:3px solid var(--accent-primary);border-radius:6px;position:relative;transition:all .3s ease;background:var(--surface-bg)}.modern-checkbox:checked{background:var(--accent-primary);border-color:var(--accent-primary)}.modern-checkbox:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:16px;font-weight:700;line-height:1}.modern-checkbox:focus{outline:none;box-shadow:0 0 0 3px #667eea33}.modern-checkbox-text{font-size:1rem;font-weight:600;color:var(--accent-primary);-webkit-user-select:none;user-select:none}.modern-checkbox-label:hover .modern-checkbox-text{color:var(--accent-hover)}.quiz-options-display{margin-top:15px;display:flex;flex-direction:column;gap:10px}.toast-notification{position:fixed;top:20px;right:20px;background:#fffffff2;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:16px 24px;border-radius:12px;box-shadow:0 8px 30px #0000001f;display:flex;align-items:center;gap:12px;z-index:2000;animation:slideIn .3s cubic-bezier(.16,1,.3,1),fadeOut .3s cubic-bezier(.16,1,.3,1) 2.7s forwards;border-left:5px solid var(--accent-primary);max-width:400px}.toast-notification.success{border-left-color:var(--color-success)}.toast-notification.error{border-left-color:var(--color-danger)}.toast-content{display:flex;flex-direction:column}.toast-message{font-weight:600;color:var(--text-primary);font-size:1rem}.toast-icon{font-size:1.5rem}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}.quiz-option-display{padding:15px;background:var(--surface-bg);border:2px solid var(--border-color);border-radius:6px;display:flex;justify-content:space-between;align-items:center;transition:background-color .3s ease,border-color .3s ease}.quiz-option-display.correct-option{border-color:var(--color-success);background:#34d3991a}.quiz-option-text{font-size:1.5rem;font-weight:600;color:var(--text-primary)}.correct-badge{background:var(--color-success);color:#fff;padding:5px 12px;border-radius:12px;font-size:.85rem;font-weight:500}.words-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:15px;margin-bottom:30px}.word-card-list{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;padding:15px;transition:all .2s;cursor:pointer;position:relative}.word-card-list:hover{box-shadow:0 4px 12px var(--card-hover-shadow);transform:translateY(-2px);border-color:var(--accent-primary)}.check-icon-badge{position:absolute;top:10px;right:10px;width:36px;height:36px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #667eea66;z-index:10;animation:checkPulse .3s ease-out}@keyframes checkPulse{0%{transform:scale(.8);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.word-card-header{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.word-card-header h3{margin:0;color:var(--text-primary);font-size:1.8rem;font-weight:600}.word-reading{color:var(--text-tertiary);font-size:.9rem}.word-card-preview{margin-bottom:10px}.word-card-preview p{margin:5px 0;color:var(--text-secondary);font-size:.9rem}.word-card-footer{border-top:1px solid var(--border-color);padding-top:10px;margin-top:10px}.click-hint{color:var(--accent-primary);font-size:.85rem;font-style:italic}.search-container{display:flex;align-items:center;margin-bottom:35px;padding:20px;background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:20px;border:1px solid var(--border-light);transition:all .3s ease;box-shadow:0 4px 15px var(--card-shadow)}.search-input{flex:1;padding:15px 25px;border:2px solid var(--border-light);border-radius:14px;font-size:1.1rem;transition:all .3s cubic-bezier(.4,0,.2,1);background-color:var(--input-bg);color:var(--text-primary)}.search-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 5px #667eea1a;transform:translateY(-2px)}.search-input::placeholder{color:var(--text-muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:25px;margin-top:50px;padding:30px;background:var(--card-bg);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:24px;border:1px solid var(--border-light);box-shadow:0 4px 15px var(--card-shadow)}.pagination-info{color:var(--text-primary);font-weight:700;font-size:1rem;background:var(--bg-hover);padding:8px 16px;border-radius:10px}.pagination button:disabled{opacity:.4;cursor:not-allowed;filter:grayscale(1)}.word-detail-section{padding:30px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);transition:background-color .3s ease,border-color .3s ease}.detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:15px}.detail-header h2{margin:0;color:var(--text-primary);font-size:2rem}.detail-header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.word-navigation-info{padding:8px 15px;background:var(--bg-secondary);border-radius:6px;font-weight:500;color:var(--accent-primary);font-size:.9rem;transition:background-color .3s ease}.word-detail-content{background:var(--surface-bg);border-radius:8px;padding:20px;box-shadow:var(--shadow-md);transition:background-color .3s ease,box-shadow .3s ease}.detail-card{display:flex;flex-direction:column;gap:15px}.detail-row{display:grid;grid-template-columns:200px 1fr;gap:15px;padding:10px 0;border-bottom:1px solid var(--border-subtle);transition:border-color .3s ease}.detail-row strong{color:var(--accent-primary)}.detail-word-large{font-size:2.5rem;font-weight:600;color:var(--text-primary)}.detail-reading-large{font-size:1.8rem;color:var(--accent-primary);font-weight:500}.detail-row-full{padding:15px 0;border-bottom:1px solid var(--border-subtle);transition:border-color .3s ease}.detail-row-full strong{display:block;margin-bottom:10px;color:var(--accent-primary);font-size:1.1rem}.example-detail{margin:10px 0;padding:10px;background:var(--bg-secondary);border-radius:4px;border-left:3px solid var(--accent-primary);transition:background-color .3s ease}.example-detail p{margin:5px 0;color:var(--text-secondary)}.example-item-v2{background:var(--card-bg);border-radius:12px;border:1px solid var(--border-light);overflow:hidden;margin-bottom:20px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.example-item-v2:hover{transform:translateY(-2px);border-color:var(--accent-primary);box-shadow:var(--shadow-md);background:var(--card-bg)}.example-item-v2:hover .example-item-header-v2{background:var(--bg-hover);border-bottom-color:var(--accent-primary)}.example-item-header-v2{padding:12px 16px;background:var(--bg-secondary);display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-light);transition:all .2s ease}.example-jp-v2{font-weight:700;color:var(--text-primary);font-size:1.25rem;letter-spacing:-.5px}.example-badge-v2{padding:4px 12px;border-radius:8px;font-size:.75rem;font-weight:800;text-transform:uppercase;background:#3b82f626;color:#60a5fa;border:1px solid rgba(59,130,246,.3);letter-spacing:.5px}.dark-theme .example-badge-v2{background:#60a5fa33;color:#93c5fd;border-color:#60a5fa66}.example-body-v2{padding:16px;display:flex;flex-direction:column;gap:16px;background:var(--surface-bg);transition:background-color .2s ease}.example-item-v2:hover .example-body-v2{background:var(--bg-hover)}.example-field-v2{display:flex;flex-direction:column;gap:4px}.example-field-key-v2{font-size:.75rem;font-weight:700;color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px;opacity:.9}.dark-theme .example-field-key-v2{color:#60a5fa;opacity:1}.example-field-value-v2{font-family:inherit;font-size:1rem;line-height:1.6;color:var(--text-secondary);margin:0}@media (max-width: 768px){.example-jp-v2{font-size:1.1rem}.example-body-v2{padding:12px;gap:12px}.example-field-value-v2{font-size:.95rem}}.quiz-detail{margin:10px 0;padding:10px;background:var(--bg-secondary);border-radius:4px;transition:background-color .3s ease}.quiz-detail p{margin:5px 0;color:var(--text-secondary)}.word-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;padding:20px;transition:box-shadow .2s,background-color .3s ease,border-color .3s ease}.word-card:hover{box-shadow:var(--shadow-md)}.word-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:15px;border-bottom:2px solid var(--border-color);transition:border-color .3s ease}.word-header h3{margin:0;color:var(--text-primary);font-size:1.5rem}.part-of-speech{background-color:var(--accent-primary);color:#fff;padding:4px 12px;border-radius:12px;font-size:.85rem;font-weight:500}.word-content,.translations{margin-bottom:15px}.translations strong,.examples strong{display:block;margin-bottom:8px;color:var(--text-secondary);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.translations p{margin:5px 0;color:var(--text-tertiary)}.examples{margin-top:15px}.example{margin:10px 0;padding:10px;background:var(--surface-bg);border-radius:4px;border-left:3px solid var(--accent-primary);transition:background-color .3s ease}.example p{margin:5px 0;color:var(--text-tertiary);line-height:1.6}.example p strong{color:var(--text-primary);margin-right:8px}.word-actions{display:flex;gap:10px;padding-top:15px;border-top:1px solid var(--border-color);transition:border-color .3s ease}@media (max-width: 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