:root{--color-scheme: light;--bg: #ffffff;--bg-secondary: #f7f7f7;--bg-tertiary: #efefef;--text: #1a1a1a;--text-secondary: #555555;--text-muted: #888888;--accent: #0047ab;--accent-light: #e8f0fe;--accent-hover: #003580;--border: #d4d4d4;--border-light: #e8e8e8;--serif: "Georgia", "Times New Roman", "Noto Serif", serif;--sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, monospace;font-family:var(--sans);line-height:1.6}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text)}.app-header{background:#1b3a5c;color:#fff;padding:0;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px #00000026}.header-top{max-width:960px;margin:0 auto;padding:1rem 1.5rem 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var(--border-light)}.result-word{font-family:var(--serif);font-size:2.5rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.15rem}.phonetics-row{display:flex;align-items:center;gap:1rem;flex-wrap:wrap}.phonetic-text{font-size:1.1rem;color:var(--text-secondary);font-family:var(--sans)}.pronunciation-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--accent-light);color:var(--accent);cursor:pointer;font-size:1rem;transition:background .2s,border-color 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var(--border-light)}.definition-item:last-child{border-bottom:none}.def-number{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:var(--accent);background:var(--accent-light);border-radius:50%;margin-top:2px}.def-content{flex:1}.def-text{font-size:.95rem;line-height:1.6;color:var(--text)}.def-example{margin-top:.35rem;font-style:italic;color:var(--text-muted);font-size:.9rem}.def-example:before{content:"“"}.def-example:after{content:"”"}.synonyms-section{margin-top:.75rem;padding:.5rem 0}.syn-label{font-weight:600;font-size:.85rem;color:var(--text-secondary);margin-bottom:.35rem}.syn-tags{display:flex;flex-wrap:wrap;gap:.4rem}.syn-tag{display:inline-block;padding:.2rem .65rem;font-size:.82rem;color:var(--accent);background:var(--accent-light);border:1px solid transparent;border-radius:20px;cursor:pointer;transition:border-color .2s,background 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