:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.login-page{color:#0f172a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#fff;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;width:360px;padding:40px;box-shadow:0 18px 40px #0f172a14}.login-card h1{color:#0f172a;margin-bottom:8px}.login-card p{color:#475569;margin-bottom:28px}.auth-tabs{background:#f1f5f9;border-radius:10px;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:22px;padding:4px;display:grid}.auth-tabs button{color:#64748b;cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px;font-size:15px;font-weight:650}.auth-tabs button.active{color:#0f172a;background:#fff;box-shadow:0 2px 8px #0f172a14}.login-form{flex-direction:column;gap:18px;display:flex}.login-form label{color:#334155;text-align:left;flex-direction:column;gap:8px;display:flex}.login-form input{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:12px;font-size:16px}.login-form input:focus{border-color:#0f172a;outline:3px solid #0f172a1f}.login-form button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;padding:13px;font-size:16px}.login-form button:hover{background:#1e293b}.error-message{color:#dc2626;font-size:14px}.api-error{box-sizing:border-box;color:#dc2626;width:100%;max-width:960px;margin:0 auto 18px;font-size:14px}.login-form button:disabled{cursor:wait;opacity:.65}.vocab-page{box-sizing:border-box;color:#0f172a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;text-align:left;background:#fff;width:100%;min-height:100vh;padding:48px 40px}.vocab-header{justify-content:space-between;align-items:center;gap:24px;max-width:960px;margin:0 auto 32px;display:flex}.vocab-header h1{color:#0f172a;letter-spacing:-.8px;margin:4px 0 0;font-size:32px;font-weight:750}.vocab-eyebrow{color:#101b33;letter-spacing:1.5px;font-size:13px;font-weight:700}.logout-button{color:#475569;cursor:pointer;background:#ffffffd9;border:1px solid #cbd5e1;border-radius:9px;padding:10px 16px;font-size:14px}.logout-button:hover{background:#fff;border-color:#94a3b8}.vocab-header-actions{gap:10px;display:flex}.password-modal-backdrop{z-index:20;background:#0f172a5c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.password-modal{box-sizing:border-box;background:#fff;border-radius:14px;width:100%;max-width:360px;padding:24px;box-shadow:0 18px 40px #0f172a38}.password-modal h2{color:#0f172a;margin:0 0 18px;font-size:22px}.password-modal form,.password-modal label{flex-direction:column;gap:10px;display:flex}.password-modal label{color:#475569;font-size:14px;font-weight:650}.password-modal input{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:12px;font-size:15px}.password-modal-actions{justify-content:flex-end;gap:10px;display:flex}.password-modal-actions button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;padding:10px 16px;font-weight:650}.password-modal-actions button:disabled{cursor:wait;opacity:.65}.password-modal-actions .cancel-modal-button{color:#475569;background:#fff;border:1px solid #cbd5e1}.vocab-create-form{box-sizing:border-box;background:#fff;border:1px solid #e2e8f0;border-radius:16px;gap:12px;max-width:960px;margin:0 auto 32px;padding:18px;display:flex;box-shadow:0 18px 40px #0f172a0f}.vocab-create-form input{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:9px;flex:1;min-width:0;padding:13px 16px;font-size:16px}.vocab-create-form input:focus{border-color:#0f172a;outline:3px solid #0f172a1f}.vocab-create-form button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:9px;padding:13px 26px;font-size:16px;font-weight:650}.vocab-create-form button:hover{background:#1e293b}.vocab-toolbar{grid-template-columns:minmax(0,1fr) 220px;align-items:stretch;gap:16px;max-width:960px;margin:0 auto 32px;display:grid}.vocab-toolbar .vocab-create-form{align-items:center;height:100%;margin:0}.vocab-toolbar .sort-control{box-sizing:border-box;justify-content:center;height:100%;padding:18px}.shared-search-controls{grid-template-columns:1fr 1fr;gap:16px;width:100%;max-width:960px;margin:0 auto 24px;display:grid}.shared-search-controls label{box-sizing:border-box;color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:16px;flex-direction:column;gap:7px;padding:18px;font-size:14px;font-weight:650;display:flex;box-shadow:0 6px 18px #0f172a0d}.shared-search-controls input{box-sizing:border-box;color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;min-width:0;padding:11px 13px;font-size:15px}.shared-search-controls input:focus{border-color:#0f172a;outline:3px solid #0f172a1f}.vocab-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;max-width:960px;margin:0 auto;display:grid}.vocab-card{box-sizing:border-box;background:#fff;border:1px solid #e2e8f0;border-radius:20px;flex-direction:column;min-height:60px;padding:18px;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 12px 30px #0f172a0f}.vocab-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px #0f172a1a}.vocab-card-image{object-fit:contain;width:56px;height:56px;margin-bottom:14px}.vocab-card h2{color:#0f172a;overflow-wrap:anywhere;margin:0 0 14px;font-size:18px;font-weight:700}.vocab-word-count{color:#94a3b8;margin-bottom:14px;font-size:14px}.vocab-tags{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.vocab-tags span{color:#334155;background:#f1f5f9;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:650}.vocab-card-actions{justify-content:flex-end;gap:8px;margin-top:auto;display:flex}.open-vocab-button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:7px;padding:7px 14px;font-weight:650}.open-vocab-button:hover{background:#1e293b}.delete-button{color:#dc2626;cursor:pointer;background:#fee2e2;border:none;border-radius:7px;padding:7px 12px}.delete-button:hover{background:#fecaca}.detail-page{box-sizing:border-box;color:#0f172a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;text-align:left;background:#fff;width:100%;min-height:100vh;padding:40px}.detail-header,.detail-controls,.vocab-description,.word-list,.empty-words{box-sizing:border-box;width:100%;max-width:960px;margin-left:auto;margin-right:auto}.detail-header{grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;margin-bottom:28px;display:grid}.detail-header>div{text-align:center}.detail-header h1{color:#000;margin:4px 0 0;font-size:34px;font-weight:750}.back-button{color:#475569;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:9px;justify-self:start;padding:9px 13px}.back-button:hover{background:#f1f5f9}.word-count{color:#0f172a;background:#f1f5f9;border-radius:999px;justify-self:end;padding:7px 12px;font-size:14px;font-weight:650}.detail-controls{grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:16px;margin-bottom:24px;display:grid}.detail-search-row .word-search{grid-column:1/-1}.vocab-description{box-sizing:border-box;background:#fff;border:1px solid #e2e8f0;border-radius:16px;max-width:960px;margin:0 auto 24px;padding:20px;box-shadow:0 6px 18px #0f172a0d}.vocab-description-header h2{color:#0f172a;margin:0 0 12px;font-size:18px}.vocab-description-modal-backdrop{z-index:20;background:#0f172a5c;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.vocab-description-modal{box-sizing:border-box;background:#fff;border:1px solid #e2e8f0;border-radius:14px;width:min(100%,520px);padding:22px;box-shadow:0 18px 42px #0f172a3d}.vocab-description-editor{flex-direction:column;gap:12px;display:flex}.vocab-tags-field{color:#475569;flex-direction:column;gap:7px;font-size:14px;font-weight:650;display:flex}.vocab-tags-field input{box-sizing:border-box;color:#0f172a;width:100%;font:inherit;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:11px 13px}.vocab-tags-field input:focus{border-color:#0f172a;outline:3px solid #0f172a1f}.vocab-description-actions{justify-content:flex-end;gap:10px;display:flex}.vocab-description-actions button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;width:fit-content;padding:10px 14px;font-weight:650}.vocab-description-actions .secondary-button{color:#475569;background:#fff;border:1px solid #cbd5e1}.detail-filters{gap:16px;display:grid}.detail-actions{background:#fff;border:1px solid #e2e8f0;border-radius:16px;align-items:center;gap:10px;padding:18px;display:flex;box-shadow:0 6px 18px #0f172a0d}.detail-actions button{color:#0f172a;cursor:pointer;background:#f1f5f9;border:none;border-radius:8px;padding:9px 13px;font-weight:650}.detail-actions button:hover:not(:disabled){background:#e2e8f0}.detail-actions .selected-delete-button{color:#dc2626;background:#fee2e2}.detail-actions .selected-delete-button:hover:not(:disabled){background:#fecaca}.detail-actions button:disabled{cursor:not-allowed;opacity:.45}.detail-actions span{color:#64748b;margin-left:auto;font-size:13px}.word-create-form,.word-search,.sort-control{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 6px 18px #0f172a0d}.word-create-form{grid-template-columns:1fr 1fr auto;align-items:end;gap:12px;padding:18px;display:grid}.detail-word-form{box-sizing:border-box;grid-template-columns:repeat(3,minmax(0,1fr)) auto;width:100%;max-width:960px;margin:0 auto 24px}.word-create-form label,.word-search,.sort-control{color:#475569;flex-direction:column;gap:7px;font-size:14px;font-weight:650;display:flex}.word-create-form input,.word-search input,.sort-control select{box-sizing:border-box;color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;min-width:0;padding:11px 13px;font-size:15px}.word-create-form input:focus,.word-search input:focus,.sort-control select:focus{border-color:#0f172a;outline:3px solid #0f172a1f}.word-create-form>button,.word-form-actions button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;padding:11px 16px;font-size:15px;font-weight:650}.word-create-form>button:hover,.word-form-actions button:hover{background:#1e293b}.word-form-actions{gap:8px;display:flex}.word-form-actions .cancel-form-button{color:#475569;background:#fff;border:1px solid #cbd5e1}.word-form-actions .cancel-form-button:hover{background:#f1f5f9}.word-form-error{color:#dc2626;grid-column:1/-1;font-size:13px}.detail-message{box-sizing:border-box;color:#dc2626;width:100%;max-width:960px;margin:-10px auto 18px;font-size:14px}.word-search{justify-content:center;padding:18px}.detail-search-row .word-search input{width:100%}.sort-control{justify-content:center;padding:18px}.word-list{flex-direction:column;gap:10px;padding:0;list-style:none;display:flex}.word-item{background:#fff;border:1px solid #e2e8f0;border-radius:13px;justify-content:space-between;align-items:center;gap:20px;padding:16px 18px;display:flex;box-shadow:0 4px 12px #0f172a0a}.word-item>input{accent-color:#0f172a;cursor:pointer;flex:none;width:18px;height:18px}.word-item>div{flex-direction:column;flex:1;align-items:flex-start;gap:6px;min-width:0;display:flex}.word-item strong{color:#0f172a;overflow-wrap:anywhere;font-size:18px}.word-item p{color:#334155;overflow-wrap:anywhere;margin:0}.word-item span{color:#475569;overflow-wrap:anywhere}.empty-words{text-align:center;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;min-height:260px;display:flex}.empty-words h2{color:#334155;margin:0 0 8px}.empty-words p{color:#94a3b8;font-size:15px}.empty-vocab{box-sizing:border-box;text-align:center;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;max-width:960px;min-height:300px;margin:0 auto;display:flex}.empty-vocab span{color:#0f172a;background:#f1f5f9;border-radius:16px;place-items:center;width:54px;height:54px;margin-bottom:16px;font-family:Georgia,serif;font-size:28px;font-weight:700;display:grid}.empty-vocab h2{color:#334155;margin:0 0 8px}.empty-vocab p{color:#94a3b8;font-size:15px}.mypage-page{box-sizing:border-box;color:#0f172a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;background:#fff;place-items:center;width:100%;min-height:100vh;padding:48px 24px;display:grid}.mypage-card{box-sizing:border-box;background:#fff;border:1px solid #e2e8f0;border-radius:16px;width:100%;max-width:480px;padding:28px;box-shadow:0 10px 28px #0f172a14}.mypage-card h1{color:#0f172a;overflow-wrap:anywhere;margin:4px 0 24px;font-size:28px;font-weight:750;line-height:1.25}.mypage-form{flex-direction:column;gap:16px;display:flex}.mypage-form label{color:#475569;flex-direction:column;gap:8px;font-size:14px;font-weight:650;display:flex}.detail-header-actions{justify-self:end;align-items:center;gap:10px;display:flex}.detail-header-actions button{color:#000;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:9px 13px;font-weight:650}.detail-header-actions button:hover:not(:disabled){background:#f1f5f9}.detail-header-actions .quiz-open-button{background:#fff}.detail-header-actions .quiz-open-button:hover:not(:disabled){background:#f1f5f9}.detail-header-actions button:disabled{cursor:not-allowed;opacity:.45}.mypage-form input{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:12px;font-size:15px}.mypage-actions{gap:10px;display:flex}.mypage-actions button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;flex:1;padding:12px;font-size:15px;font-weight:650}.mypage-actions button:disabled{cursor:wait;opacity:.65}.mypage-actions .danger-button{background:#dc2626}.success-message{color:#16a34a;margin:0;font-size:14px}.quiz-page{box-sizing:border-box;color:#0f172a;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;text-align:left;background:#fff;width:100%;min-height:100vh;padding:40px}.quiz-header,.quiz-stats,.flashcard,.quiz-answer-form,.quiz-hint,.quiz-feedback,.quiz-next-actions{box-sizing:border-box;width:100%;max-width:720px;margin-left:auto;margin-right:auto}.quiz-header{grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;margin-bottom:24px;display:grid}.quiz-header>div{text-align:center}.quiz-header h1{color:#0f172a;margin:4px 0 0;font-size:32px}.quiz-stats{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;display:grid}.quiz-stats div{background:#fff;border:1px solid #e2e8f0;border-radius:12px;justify-content:space-between;padding:16px;display:flex}.quiz-stats span{color:#64748b;font-weight:650}.quiz-stats strong{color:#0f172a}.flashcard{text-align:center;background:#fff;border:1px solid #e2e8f0;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:240px;margin-bottom:18px;padding:32px;display:flex;box-shadow:0 10px 26px #0f172a14}.flashcard p{color:#64748b;margin:0 0 12px;font-size:13px;font-weight:700}.flashcard h2{color:#0f172a;overflow-wrap:anywhere;margin:0;font-size:44px}.flashcard-hint{box-sizing:border-box;color:#334155;overflow-wrap:anywhere;background:#f8fafc;border-radius:10px;width:100%;margin-top:8px;padding:14px 16px;font-size:15px}.quiz-answer-form{background:#fff;border:1px solid #e2e8f0;border-radius:14px;grid-template-columns:1fr auto;align-items:end;gap:12px;padding:18px;display:grid}.quiz-answer-form label{color:#475569;flex-direction:column;gap:8px;font-size:14px;font-weight:650;display:flex}.quiz-answer-form input{color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:8px;min-width:0;padding:12px;font-size:16px}.quiz-actions{gap:8px;display:flex}.quiz-actions button,.quiz-next-actions button{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:8px;padding:12px 16px;font-weight:650}.quiz-actions .hint-button{color:#475569;background:#fff;border:1px solid #cbd5e1}.quiz-actions button:disabled{cursor:not-allowed;opacity:.5}.quiz-hint,.quiz-feedback{color:#334155;background:#f8fafc;border-radius:10px;margin-top:12px;padding:14px 16px}.quiz-feedback{color:#0f172a;background:#f8fafc;font-weight:650}.quiz-next-actions{justify-content:flex-end;margin-top:12px;display:flex}@media (width<=600px){.vocab-page{padding:28px 20px}.vocab-header{align-items:flex-start}.vocab-header h1{font-size:24px}.vocab-create-form{flex-direction:column}.vocab-toolbar,.shared-search-controls{grid-template-columns:1fr}.vocab-create-form button{width:100%}.detail-page{padding:28px 20px}.detail-header{grid-template-columns:1fr auto}.detail-header>div{grid-area:1/1/auto/-1}.back-button{grid-area:2/1}.word-count{grid-area:2/2}.detail-header-actions{grid-area:2/1/auto/-1;justify-content:space-between;width:100%}.detail-header h1{font-size:26px}.detail-controls,.word-create-form{grid-template-columns:1fr}.word-create-form>button,.word-form-actions{width:100%}.word-form-actions button{flex:1}.word-item>div{gap:4px}.detail-actions{flex-wrap:wrap}.detail-actions span{width:100%;margin-left:0}.quiz-page{padding:28px 20px}.quiz-header{grid-template-columns:1fr auto}.quiz-header>div{grid-area:1/1/auto/-1}.quiz-stats,.quiz-answer-form{grid-template-columns:1fr}.quiz-actions{flex-direction:column}.flashcard h2{font-size:34px}}