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ease}.skip-to-content:focus{top:0}.lang-dropdown-wrapper{position:relative;display:flex;align-items:center;gap:.3rem;border:1.5px solid var(--border-color);border-radius:50px;padding:0 .4rem 0 .7rem;background:transparent;transition:all .2s ease;height:36px;box-sizing:border-box}.lang-dropdown-wrapper:hover{border-color:var(--accent-blue);background:var(--hover-bg)}.lang-dropdown-icon{font-size:1rem;pointer-events:none}.lang-dropdown{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:transparent;border:none;color:var(--text-primary);font-size:.82rem;font-weight:500;font-family:inherit;cursor:pointer;padding:.3rem 1.5rem .3rem .2rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236b7280' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .3rem 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top,#60a5fa,#a78bfa)}.stat-histogram-label{font-size:.62rem;color:var(--text-secondary);margin-top:4px;transform:rotate(-45deg);white-space:nowrap}.feedback-modal{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:10000;background:#00000080;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}.feedback-modal-content{background:var(--card-bg, #fff);border-radius:16px;box-shadow:0 20px 60px #0000004d;max-width:560px;width:100%;max-height:90vh;overflow-y:auto;padding:28px 32px;animation:feedbackSlideIn .3s ease-out}@keyframes feedbackSlideIn{0%{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:translateY(0) scale(1)}}.feedback-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.feedback-modal-header h3{margin:0;font-size:1.3rem;font-weight:700;color:var(--text-primary)}.feedback-modal-header button{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-secondary);padding:4px 8px;border-radius:8px;transition:background .2s;min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.feedback-modal-header button:hover{background:var(--hover-bg, rgba(0,0,0,.06))}.feedback-field{margin-bottom:16px}.feedback-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--text-primary)}.feedback-row{display:flex;gap:12px}.feedback-field-half{flex:1}.feedback-type-group{display:flex;gap:8px;flex-wrap:wrap}.feedback-type-option{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:2px solid var(--border-color, #ddd);cursor:pointer;transition:all .2s;font-weight:500;font-size:.9rem;min-height:44px}.feedback-type-option:hover{border-color:var(--accent-color);background:#4a90e20f}.feedback-type-option 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#fff)}.changelog-date{font-size:.8rem;color:var(--text-secondary);font-weight:500;margin-bottom:2px}.changelog-version{font-size:1.05rem;font-weight:700;color:var(--accent-blue);margin-bottom:8px}.changelog-list{margin:0;padding-left:18px;font-size:.88rem;line-height:1.7;color:var(--text-primary)}.changelog-list li{margin-bottom:2px}@media (max-width: 600px){.changelog-modal-content{border-radius:12px}.changelog-body{padding:16px 20px 20px}}@media print{header,.search-section,.pagination,.export-button,.control-button,.control-button-recent,.lang-dropdown-wrapper,.clear-all-button,.bookmark-btn,.result-actions,.bookmarks-panel,.export-modal,.tour-overlay,.tour-tooltip,.tour-welcome,.keyboard-hint,.skip-to-content,.feedback-modal,.feedback-fab,.changelog-modal,.libinfo-modal{display:none!important}.result-card{break-inside:avoid;box-shadow:none;border:1px solid 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