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var(--border-color);background-color:var(--card-bg);width:100%;color:var(--text-primary);background-image:url("data:image/svg+xml,%3csvg%20xmlns=%27http://www.w3.org/2000/svg%27%20viewBox=%270%200%2016%2016%27%3e%3cpath%20fill=%27none%27%20stroke=%27rgba(100,100,100,0.7)%27%20stroke-linecap=%27round%27%20stroke-linejoin=%27round%27%20stroke-width=%272%27%20d=%27m2%205%206%206%206-6%27/%3e%3c/svg%3e");background-position:right .75rem center;background-repeat:no-repeat;background-size:16px 12px;border-radius:4px;padding:6px 12px;font-size:16px;line-height:1.5;transition:border-color .15s ease-in-out,box-shadow .15s ease-in-out,background-color .3s,color .3s;display:block}.form-select-sm{background-color:var(--card-bg);border-color:var(--border-color);padding:6px 10px;font-size:13px;font-weight:500}.form-select-sm:hover{border-color:var(--border-hover);background-color:var(--card-bg-hover)}.form-select:focus{background-color:var(--card-bg-hover);border-color:#4a9eff;outline:none;box-shadow:0 0 0 .25rem #4a9eff33}body.light-theme .form-select option{color:#000;background-color:#fff}body:not(.light-theme) .form-select option{color:#fff;background-color:#2a2a2a}body.light-theme .form-select optgroup{color:#000000de;background-color:#f5f5f5;font-weight:600}body:not(.light-theme) .form-select optgroup{color:#ffffffe6;background-color:#222;font-weight:600}.import-export-wrapper .btn{transition:all .2s}.import-export-wrapper .btn:active{transform:scale(.98)}.app-features-note{-webkit-user-select:none;user-select:none;transition:all .2s}.app-features-note:hover{color:#ffffff80!important;background-color:#ffffff0a!important}.app-features-note>div:first-child{color:#ffffff80}@media 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var(--border-color);background:linear-gradient(135deg,var(--bg-secondary)0%,var(--bg-tertiary)100%);color:var(--text-primary);border-radius:12px 12px 0 0;justify-content:space-between;align-items:center;padding:20px 24px;transition:background .3s,border-color .3s,color .3s;display:flex}.help-header h2{color:var(--text-primary);align-items:center;margin:0;font-size:20px;font-weight:600;transition:color .3s;display:flex}.help-close-btn{background:var(--card-bg);color:var(--text-primary);cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;padding:6px;transition:all 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cardSlideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card-top-bar{background:linear-gradient(90deg,#4a90e299,#4a90e2,#4a90e299);height:3px;position:absolute;top:0;left:0;right:0}.card-word-section{flex-direction:column;align-items:center;gap:1rem;padding:3rem 2rem 2rem;display:flex}.card-word-type{margin-bottom:.5rem}.card-type-badge{background:var(--card-bg);border:1px solid var(--card-border);letter-spacing:.1em;text-transform:uppercase;color:#4a90e2e6;border-radius:999px;align-items:center;padding:.25rem .75rem;font-size:11px;font-weight:800;transition:background .3s,border-color .3s;display:inline-flex}.card-word-title{color:var(--text-primary);letter-spacing:-.02em;text-shadow:0 2px 8px var(--shadow-color);margin:0;font-size:3.5rem;font-weight:800;transition:color .3s,text-shadow .3s}.card-pronunciation{align-items:center;gap:.75rem;margin-top:.5rem;display:flex}.card-phonetic{color:var(--text-secondary);letter-spacing:.015em;font-family:Noto 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*{transition:none!important}.card-word-header{align-items:center;gap:1rem;display:flex}.card-speaker-btn{cursor:pointer;background:#4a90e21a;border:1px solid #4a90e24d;border-radius:50%;outline:none;justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;transition:all .2s;display:flex}.card-speaker-btn:hover{background:#4a90e233;border-color:#4a90e280;transform:scale(1.1)}.card-speaker-btn:active{transform:scale(.95)}.review-session-container{box-sizing:border-box;flex-direction:column;justify-content:flex-start;align-items:center;height:100%;padding:32px 24px;display:flex}.review-header{justify-content:space-between;align-items:center;width:100%;max-width:520px;margin-bottom:12px;display:flex}.review-exit-btn{color:#fff9;cursor:pointer;background:0 0;border:1px solid #ffffff26;border-radius:6px;padding:6px 14px;font-size:13px;transition:all 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20px;font-size:16px;font-weight:600;transition:all .2s;display:flex}.review-action-btn kbd{opacity:.5;border-radius:4px;padding:2px 6px;font-family:monospace;font-size:11px}.review-action-forgot{color:#ff6b6b;background:#ff6b6b26;border:1px solid #ff6b6b40}.review-action-forgot:hover{background:#ff6b6b40}.review-action-forgot kbd{background:#ff6b6b33}.review-action-remembered{color:#22c55e;background:#22c55e26;border:1px solid #22c55e40}.review-action-remembered:hover{background:#22c55e40}.review-action-remembered kbd{background:#22c55e33}.review-retry-badge{color:#ffaa00b3;background:#ffaa001a;border-radius:12px;margin-top:16px;padding:4px 12px;font-size:12px}.review-complete{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 32px;display:flex}.review-complete h2{color:#fff;margin:24px 0 32px;font-size:28px;font-weight:700}.review-complete-stats{gap:48px;margin-bottom:24px;display:flex}.review-stat{flex-direction:column;align-items:center;display:flex}.review-stat-value{font-size:36px;font-weight:700}.review-stat-label{color:#ffffff80;margin-top:4px;font-size:14px}.review-complete-time{color:#fff6;margin-bottom:32px;font-size:14px}.review-done-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#22c55e,#16a34a);border:none;border-radius:10px;padding:12px 32px;font-size:16px;font-weight:600;transition:transform .2s,box-shadow .2s}.review-done-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #22c55e4d}body.light-theme .review-exit-btn{color:#00000073;border-color:#0000001f}body.light-theme .review-exit-btn:hover{color:#000000bf;background:#0000000d}body.light-theme .review-progress-info{color:#00000073}body.light-theme .review-progress-bar{background:#0000000f}body.light-theme .review-card-front,body.light-theme .review-card-back{background:#fff;border-color:#00000014;box-shadow:0 2px 12px #0000000f}body.light-theme .review-card-word{color:#1a1a2e}body.light-theme .review-card-phonetic{color:#00000059}body.light-theme .review-card-hint{color:#0003}body.light-theme .review-card-translation{color:#000000bf}body.light-theme .review-card-type{color:#00000073;background:#0000000f}body.light-theme .review-speak-btn:hover{background:#0000000f}body.light-theme .review-complete h2{color:#1a1a2e}body.light-theme .review-stat-label{color:#00000073}body.light-theme .review-complete-time{color:#00000059}body.light-theme .review-retry-badge{background:#ffaa0014}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-ordinal{syntax:"*";inherits:false}@property --tw-slashed-zero{syntax:"*";inherits:false}@property --tw-numeric-figure{syntax:"*";inherits:false}@property --tw-numeric-spacing{syntax:"*";inherits:false}@property --tw-numeric-fraction{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}