/*! tailwindcss v4.2.4 | MIT License | https://tailwindcss.com */@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--color-orange-500:oklch(70.5% .213 47.604);--color-blue-500:oklch(62.3% .214 259.815);--spacing:.25rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--shadow-sm:0 1px 3px 0 #0000001a, 0 1px 2px -1px #0000001a;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--animate-spin:spin 1s linear infinite;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;-moz-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;-moz-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.contents{display:contents}.flex{display:flex}.table{display:table}.h-3{height:calc(var(--spacing) * 3)}.h-3\.5{height:calc(var(--spacing) * 3.5)}.h-4{height:calc(var(--spacing) * 4)}.h-5{height:calc(var(--spacing) * 5)}.h-7{height:calc(var(--spacing) * 7)}.h-8{height:calc(var(--spacing) * 8)}.h-12{height:calc(var(--spacing) * 12)}.w-3{width:calc(var(--spacing) * 3)}.w-3\.5{width:calc(var(--spacing) * 3.5)}.w-4{width:calc(var(--spacing) * 4)}.w-5{width:calc(var(--spacing) * 5)}.w-7{width:calc(var(--spacing) * 7)}.w-8{width:calc(var(--spacing) * 8)}.w-12{width:calc(var(--spacing) * 12)}.animate-spin{animation:var(--animate-spin)}.border{border-style:var(--tw-border-style);border-width:1px}.text-blue-500{color:var(--color-blue-500)}.text-orange-500{color:var(--color-orange-500)}}:root{--bg:#fff8f0;--bg-card:#fff;--bg-subtle:#fff0e0;--accent-main:#ff6b35;--accent-main-light:#ffe8de;--accent-green:#2ecc71;--accent-green-light:#d5f5e3;--accent-yellow:#f1c40f;--accent-yellow-light:#fef9e7;--accent-blue:#3498db;--accent-blue-light:#d6eaf8;--text-primary:#2c1810;--text-secondary:#8b6355;--text-muted:#c4a99a;--border:#f0d9cc;--shadow-sm:0 2px 8px #2c181014;--shadow-md:0 8px 24px #2c18101f;--shadow-card:0 16px 48px #2c181029;--radius-sm:12px;--radius-md:20px;--radius-lg:28px;--radius-xl:36px;--font-display:"Fredoka One", "Nunito", cursive;--font-body:"Nunito", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-body);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;overflow-x:hidden}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pop{0%{opacity:0;transform:scale(.9)}70%{transform:scale(1.04)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(60px)}to{opacity:1;transform:translate(0)}}@keyframes wiggle{0%,to{transform:rotate(0)}25%{transform:rotate(-8deg)}75%{transform:rotate(8deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.animate-fade-up{animation:.5s both fadeUp}.animate-fade-in{animation:.4s both fadeIn}.animate-pop{animation:.4s cubic-bezier(.34,1.56,.64,1) both pop}.animate-slide-right{animation:.4s both slideInRight}.animate-float{animation:3s ease-in-out infinite float}.home-page{justify-content:center;align-items:center;min-height:100vh;padding:24px 20px 40px;display:flex;position:relative;overflow:hidden}.home-blob{filter:blur(60px);opacity:.35;pointer-events:none;z-index:0;border-radius:50%;position:absolute}.home-blob-1{background:#ffb347;width:320px;height:320px;top:-80px;right:-60px}.home-blob-2{background:#87ceeb;width:260px;height:260px;bottom:40px;left:-80px}.home-blob-3{background:#98fb98;width:180px;height:180px;top:40%;left:50%;transform:translate(-50%)}.home-content{z-index:10;flex-direction:column;align-items:center;gap:28px;width:100%;max-width:420px;display:flex;position:relative}.home-header{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.logo-wrap{width:80px;height:80px;box-shadow:var(--shadow-md);background:#fff;border-radius:24px;justify-content:center;align-items:center;margin-bottom:8px;display:flex}.logo-icon{width:40px;height:40px;color:var(--accent-main)}.home-title{font-family:var(--font-display);color:var(--accent-main);letter-spacing:-1px;font-size:42px}.home-subtitle{color:var(--text-secondary);font-size:15px;font-weight:600}.mode-grid{flex-direction:column;gap:16px;width:100%;display:flex}.mode-card{border-radius:var(--radius-lg);text-align:left;width:100%;box-shadow:var(--shadow-sm);background:#fff;border:2.5px solid #0000;flex-direction:column;gap:6px;padding:24px 24px 20px;transition:all .2s;display:flex;position:relative;overflow:hidden}.mode-card-estimate{border-color:#ffd9c8}.mode-card-estimate:after{content:"";background:var(--accent-main);opacity:.06;border-radius:50%;width:120px;height:120px;position:absolute;top:0;right:0;transform:translate(40px,-40px)}.mode-card-estimate:hover{border-color:var(--accent-main);box-shadow:var(--shadow-md);transform:translateY(-3px)}.mode-card-precise{border-color:#c8dfff}.mode-card-precise:after{content:"";background:var(--accent-blue);opacity:.06;border-radius:50%;width:120px;height:120px;position:absolute;top:0;right:0;transform:translate(40px,-40px)}.mode-card-precise:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-md);transform:translateY(-3px)}.mode-emoji{margin-bottom:4px;font-size:32px;display:block}.mode-emoji-icon{width:32px;height:32px;color:var(--accent-main)}.mode-card-precise .mode-emoji-icon{color:var(--accent-blue)}.mode-name{font-family:var(--font-display);color:var(--text-primary);font-size:22px}.mode-desc{color:var(--text-secondary);font-size:14px;line-height:1.6}.mode-badge{background:var(--accent-main-light);color:var(--accent-main);border-radius:20px;width:fit-content;margin-top:8px;padding:4px 10px;font-size:12px;font-weight:700;display:inline-block}.mode-badge-blue{background:var(--accent-blue-light);color:var(--accent-blue)}.resume-banner{border:2px solid var(--accent-yellow);border-radius:var(--radius-md);width:100%;box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:12px;padding:16px 18px;display:flex}.resume-info{align-items:center;gap:12px;display:flex}.resume-icon{display:block}.resume-icon-inner{width:24px;height:24px;color:var(--accent-yellow)}.resume-title{color:var(--text-primary);font-size:15px;font-weight:800}.resume-detail{color:var(--text-secondary);margin-top:2px;font-size:13px}.resume-actions{gap:10px;display:flex}.resume-btn{background:var(--accent-yellow);color:#7a5c00;border-radius:var(--radius-sm);flex:1;padding:10px;font-size:14px;font-weight:800;transition:all .15s}.resume-btn:hover{opacity:.9;transform:scale(1.01)}.discard-btn{color:var(--text-muted);border-radius:var(--radius-sm);background:0 0;padding:10px 16px;font-size:14px;font-weight:700;transition:all .15s}.discard-btn:hover{color:var(--text-secondary);background:var(--bg-subtle)}.home-hint{color:var(--text-muted);text-align:center;font-size:13px;font-weight:600}.lib-page{justify-content:center;align-items:flex-start;min-height:100vh;padding:24px 20px 48px;display:flex;position:relative;overflow:hidden}.lib-blob{filter:blur(60px);opacity:.3;pointer-events:none;z-index:0;border-radius:50%;position:absolute}.lib-blob-1{background:#87ceeb;width:300px;height:300px;top:-60px;right:-80px}.lib-blob-2{background:#98fb98;width:200px;height:200px;bottom:60px;left:-60px}.lib-content{z-index:10;flex-direction:column;gap:20px;width:100%;max-width:460px;height:100vh;padding-top:12px;display:flex;position:relative}.lib-scroll-area{flex-direction:column;flex:1;gap:16px;padding-bottom:24px;display:flex;overflow-y:auto}.lib-back-btn{color:var(--text-secondary);background:0 0;width:fit-content;padding:6px 0;font-size:14px;font-weight:700;transition:color .15s}.lib-back-btn:hover{color:var(--text-primary)}.lib-header{text-align:center;flex-direction:column;gap:6px;display:flex}.lib-title{font-family:var(--font-display);color:var(--accent-blue);font-size:34px}.lib-subtitle{color:var(--text-secondary);font-size:14px;font-weight:600}.lib-grid{flex-direction:column;gap:14px;display:flex}.lib-card{border-radius:var(--radius-lg);text-align:left;width:100%;box-shadow:var(--shadow-sm);border:2.5px solid;flex-direction:column;gap:6px;padding:20px 22px;transition:all .2s;display:flex}.lib-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.lib-card-top{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.lib-card-icon{color:var(--text-primary)}.lib-word-count{background:#fff;border-radius:20px;padding:3px 10px;font-size:13px;font-weight:800}.lib-card-title{font-family:var(--font-display);color:var(--text-primary);font-size:18px}.lib-card-desc{color:var(--text-secondary);font-size:13px;line-height:1.6}.lib-start-hint{color:var(--text-muted);margin-top:8px;font-size:13px;font-weight:700}.lib-tip{text-align:center;color:var(--text-muted);justify-content:center;align-items:center;gap:6px;padding-bottom:16px;font-size:13px;font-weight:600;display:flex}.test-page{flex-direction:column;align-items:center;gap:24px;height:100vh;padding:20px 20px 32px;transition:background .3s;display:flex;overflow:hidden}.test-top-bar{flex-direction:column;gap:12px;width:100%;max-width:420px;display:flex}.test-pause-btn{color:var(--text-muted);background:0 0;align-items:center;gap:4px;width:fit-content;padding:4px 0;font-size:13px;font-weight:700;transition:color .15s;display:flex}.test-pause-btn:hover{color:var(--text-secondary)}.test-top-row{justify-content:space-between;align-items:center;display:flex}.test-back-btn{color:var(--text-muted);background:0 0;border-radius:8px;align-items:center;padding:6px;transition:all .15s;display:flex}.test-back-btn:hover{color:var(--text-secondary);background:var(--bg-subtle)}.test-settings-btn{color:var(--text-muted);background:0 0;border-radius:8px;align-items:center;padding:6px;transition:all .15s;display:flex}.test-settings-btn:hover{color:var(--text-secondary);background:var(--bg-subtle)}.test-card-area{flex:1;align-items:center;width:100%;max-width:420px;display:flex}.test-judge-area{width:100%;max-width:420px}.pause-overlay{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:100;background:#2c181080;justify-content:center;align-items:center;padding:20px;animation:.2s fadeIn;display:flex;position:fixed;top:0;right:0;bottom:0;left:0}.pause-modal{border-radius:var(--radius-xl);width:100%;max-width:360px;box-shadow:var(--shadow-card);background:#fff;flex-direction:column;align-items:center;gap:12px;padding:36px 28px 28px;animation:.3s cubic-bezier(.34,1.56,.64,1) pop;display:flex}.pause-modal-icon{color:var(--text-muted)}.pause-modal-title{font-family:var(--font-display);color:var(--text-primary);font-size:26px}.pause-modal-desc{color:var(--text-secondary);text-align:center;font-size:14px;line-height:1.7}.pause-resume-btn{background:var(--accent-main);color:#fff;border-radius:var(--radius-md);width:100%;margin-top:8px;padding:14px;font-size:16px;font-weight:800;transition:all .15s;box-shadow:0 4px 16px #ff6b3559}.pause-resume-btn:hover{opacity:.9;transform:translateY(-1px)}.pause-exit-btn{color:var(--text-muted);background:0 0;padding:8px;font-size:14px;font-weight:700;transition:color .15s}.pause-exit-btn:hover{color:var(--text-secondary)}.settings-modal{gap:16px}.settings-header{justify-content:space-between;align-items:center;width:100%;display:flex}.settings-title{font-family:var(--font-display);color:var(--text-primary);font-size:24px}.settings-close{color:var(--text-muted);background:0 0;border-radius:6px;padding:4px;transition:color .15s;display:flex}.settings-close:hover{color:var(--text-secondary)}.settings-desc{color:var(--text-secondary);font-size:14px;font-weight:600}.settings-types{flex-wrap:wrap;gap:8px;width:100%;display:flex}.type-chip{background:var(--bg-subtle);color:var(--text-muted);border:2px solid #0000;border-radius:20px;padding:8px 16px;font-size:14px;font-weight:700;transition:all .15s}.type-chip.active{background:var(--accent-main-light);color:var(--accent-main);border-color:var(--accent-main)}.type-chip:hover:not(.active){background:var(--border)}.settings-hint{color:var(--text-muted);font-size:12px;font-weight:600}.report-page{justify-content:center;align-items:flex-start;min-height:100vh;padding:24px 20px 48px;display:flex;position:relative;overflow:hidden}.report-blob{filter:blur(70px);opacity:.3;pointer-events:none;z-index:0;border-radius:50%;position:absolute}.report-blob-1{background:#ffb347;width:280px;height:280px;top:-60px;left:-80px}.report-blob-2{background:#87ceeb;width:220px;height:220px;bottom:40px;right:-60px}.report-inner{z-index:10;flex-direction:column;gap:20px;width:100%;max-width:420px;display:flex;position:relative}.report-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-card);background:#fff;animation:.4s cubic-bezier(.34,1.56,.64,1) both pop;overflow:hidden}.report-header{color:#fff;flex-direction:column;align-items:center;gap:8px;padding:36px 28px 28px;display:flex}.report-header-badge{background:#ffffff40;border-radius:50px;align-items:center;gap:4px;margin-bottom:4px;padding:4px 14px;font-size:12px;font-weight:700;display:flex}.report-header-emoji{border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:28px;font-weight:700;display:flex}.report-header-label{font-family:var(--font-display);color:#fff;text-align:center;font-size:22px}.report-vocab-size{align-items:baseline;gap:4px;margin-top:4px;display:flex}.report-vocab-num{font-family:var(--font-display);color:#fff;font-size:64px;line-height:1}.report-vocab-unit{color:#fffc;font-size:20px;font-weight:700}.report-vocab-range{color:#fffc;font-size:13px;font-weight:600}.report-detail{flex-direction:column;gap:20px;padding:24px 22px 20px;display:flex}.report-score-row{grid-template-columns:1fr 1fr 1fr;gap:10px;display:grid}.score-chip{border-radius:var(--radius-md);border:1.5px solid;flex-direction:column;align-items:center;gap:4px;padding:12px 8px;display:flex}.score-chip-num{font-family:var(--font-display);font-size:28px;line-height:1}.score-chip-label{color:var(--text-secondary);font-size:11px;font-weight:700}.report-eff-row{background:var(--bg-subtle);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.report-eff-label{color:var(--text-secondary);font-size:13px;font-weight:700}.report-eff-value{font-family:var(--font-display);color:var(--accent-main);font-size:22px}.report-level-breakdown{flex-direction:column;gap:10px;display:flex}.report-section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:2px;font-size:13px;font-weight:800}.level-bar{flex-direction:column;gap:4px;display:flex}.level-bar-meta{justify-content:space-between;align-items:center;display:flex}.level-bar-label{color:var(--text-secondary);font-size:13px;font-weight:700}.level-bar-pct{font-size:12px;font-weight:800}.level-bar-icons{align-items:center;gap:8px;display:flex}.level-icon{align-items:center;gap:2px;font-size:11px;font-weight:800;display:flex}.know-icon{color:#2ecc71}.fuzzy-icon{color:#f1c40f}.unknown-icon{color:#e74c3c}.level-bar-track{background:var(--border);border-radius:8px;width:100%;height:8px;overflow:hidden}.level-bar-fill{border-radius:8px;height:100%;transition:width .6s cubic-bezier(.34,1.56,.64,1)}.report-footer{border-top:1.5px solid var(--border);flex-direction:column;gap:6px;padding:14px 22px;display:flex}.report-footer-row{color:var(--text-muted);justify-content:space-between;font-size:12px;font-weight:600;display:flex}.report-footer-brand{text-align:center;color:var(--text-muted);font-size:12px;font-weight:700}.report-actions{flex-direction:column;gap:12px;display:flex}.report-save-btn{background:var(--accent-main);color:#fff;border-radius:var(--radius-md);justify-content:center;align-items:center;gap:8px;width:100%;padding:16px;font-size:16px;font-weight:800;transition:all .15s;display:flex;box-shadow:0 4px 20px #ff6b3559}.report-save-btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px #ff6b3566}.report-save-btn:disabled{opacity:.6;transform:none}.report-restart-btn{width:100%;color:var(--text-secondary);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:2px solid var(--border);background:#fff;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:15px;font-weight:800;transition:all .15s;display:flex}.report-restart-btn:hover{border-color:var(--text-muted);color:var(--text-primary)}.history-modal{border-radius:var(--radius-xl);width:100%;max-width:380px;box-shadow:var(--shadow-card);background:#fff;flex-direction:column;gap:16px;max-height:80vh;padding:28px 24px 24px;animation:.3s cubic-bezier(.34,1.56,.64,1) pop;display:flex}.history-header{justify-content:space-between;align-items:center;width:100%;display:flex}.history-title{font-family:var(--font-display);color:var(--text-primary);font-size:24px}.history-empty{text-align:center;padding:32px 0}.history-empty-text{color:var(--text-secondary);font-size:16px;font-weight:800}.history-empty-sub{color:var(--text-muted);margin-top:8px;font-size:13px}.history-list{flex-direction:column;gap:8px;max-height:400px;display:flex;overflow-y:auto}.history-item{background:var(--bg-subtle);border-radius:var(--radius-md);text-align:left;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;transition:all .15s;display:flex}.history-item:hover{background:var(--border)}.history-item-left{align-items:center;gap:12px;display:flex}.history-item-icon{width:36px;height:36px;color:var(--accent-main);background:#fff;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.history-item-info{flex-direction:column;gap:2px;display:flex}.history-item-mode{color:var(--text-primary);font-size:14px;font-weight:800}.history-item-meta{color:var(--text-muted);font-size:12px;font-weight:600}.history-item-right{flex-direction:column;align-items:flex-end;gap:2px;display:flex}.history-item-date{color:var(--text-muted);font-size:12px;font-weight:600}.history-item-dur{color:var(--text-muted);align-items:center;gap:3px;font-size:11px;font-weight:600;display:flex}.history-footer{border-top:1px solid var(--border);justify-content:space-between;align-items:center;padding-top:12px;display:flex}.history-storage{color:var(--text-muted);align-items:center;gap:5px;font-size:12px;font-weight:600;display:flex}.history-clear-btn{color:var(--text-muted);background:0 0;border-radius:20px;align-items:center;gap:4px;padding:6px 12px;font-size:12px;font-weight:700;transition:all .15s;display:flex}.history-clear-btn:hover,.history-clear-btn.confirm{color:#e74c3c;background:#fdedec}.history-float-btn{width:52px;height:52px;box-shadow:var(--shadow-md);color:var(--text-secondary);z-index:50;background:#fff;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex;position:fixed;bottom:28px;right:28px}.history-float-btn:hover{color:var(--accent-main);box-shadow:var(--shadow-card);transform:scale(1.08)}.home-history-link{border:2px solid var(--border);color:var(--text-secondary);background:#fff;border-radius:50px;align-items:center;gap:6px;padding:10px 16px;font-size:13px;font-weight:700;transition:all .2s;display:flex}.home-history-link:hover{border-color:var(--accent-main);color:var(--accent-main);transform:translateY(-1px)}.home-history-badge{background:var(--accent-main);color:#fff;border-radius:50px;padding:1px 7px;font-size:11px;font-weight:800}.flash-card{border-radius:var(--radius-xl);box-shadow:var(--shadow-card);background:#fff;flex-direction:column;align-items:center;gap:16px;width:100%;min-height:300px;padding:40px 32px 32px;display:flex;position:relative}.flash-word-section{flex-direction:column;align-items:center;gap:12px;display:flex}.flash-word{font-family:var(--font-display);color:var(--text-primary);letter-spacing:-1px;font-size:56px;line-height:1}.flash-meaning{color:var(--text-secondary);background:var(--bg-subtle);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:50px;align-items:center;gap:8px;padding:8px 20px;font-size:22px;font-weight:800;transition:all .2s;display:flex}.flash-meaning:hover{background:var(--border)}.flash-meaning.hidden{background:0 0;padding:8px 16px}.flash-meaning-text{line-height:1}.flash-meaning-toggle{color:var(--text-muted);flex-shrink:0}.flash-play-btn{background:var(--accent-main);color:#fff;border-radius:50px;align-items:center;gap:8px;margin-top:4px;padding:12px 24px;font-size:15px;font-weight:700;transition:all .2s;display:flex;box-shadow:0 4px 16px #ff6b3559}.flash-play-btn:hover{transform:scale(1.04);box-shadow:0 6px 20px #ff6b3573}.flash-play-btn:active{transform:scale(.97)}.flash-play-btn.playing{background:#e55a2b;animation:.8s infinite pulse}.flash-instruction{color:var(--text-muted);text-align:center;margin-top:auto;font-size:13px;font-weight:600}@keyframes pulse{50%{opacity:.5}}.judge-wrap{flex-direction:column;gap:10px;width:100%;display:flex}.judge-hint{color:var(--text-muted);text-align:center;font-size:13px;font-weight:700}.judge-buttons{grid-template-columns:1fr 1fr 1fr;gap:10px;display:grid}.judge-btn{border-radius:var(--radius-md);font-family:var(--font-body);border:2.5px solid #0000;flex-direction:column;align-items:center;gap:4px;padding:14px 8px 12px;transition:all .15s;display:flex}.judge-btn:hover{transform:translateY(-3px)}.judge-btn:active{transform:scale(.96)}.judge-btn:disabled{opacity:.5;pointer-events:none}.judge-btn.know{color:#1a7a40;background:#d5f5e3;border-color:#a8e6c0}.judge-btn.know:hover{background:#c0f0d4;box-shadow:0 6px 20px #2ecc7140}.judge-btn.fuzzy{color:#8a6800;background:#fef9e7;border-color:#fae09a}.judge-btn.fuzzy:hover{background:#fdedb0;box-shadow:0 6px 20px #f1c40f40}.judge-btn.unknown{color:#a03030;background:#ffe8e8;border-color:#ffbcbc}.judge-btn.unknown:hover{background:#ffd0d0;box-shadow:0 6px 20px #dc505033}.judge-btn .btn-icon{font-size:26px;line-height:1}.judge-btn .btn-label{text-align:center;font-size:14px;font-weight:800;line-height:1.2}.judge-btn .btn-sub{opacity:.7;text-align:center;font-size:11px;font-weight:600;line-height:1.3}.progress-wrap{flex-direction:column;gap:6px;width:100%;display:flex}.progress-meta{justify-content:space-between;align-items:center;display:flex}.progress-label{color:var(--text-secondary);align-items:center;gap:4px;font-size:13px;font-weight:700;display:flex}.progress-count{color:var(--text-primary);font-size:13px;font-weight:800}.progress-track{background:var(--border);border-radius:10px;width:100%;height:10px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,var(--accent-main) 0%,#ff9f6b 100%);border-radius:10px;height:100%;transition:width .4s cubic-bezier(.34,1.56,.64,1)}.progress-pct{color:var(--text-muted);text-align:right;font-size:11px;font-weight:700}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@keyframes spin{to{transform:rotate(360deg)}}