@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&display=swap";.rc-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,580px) minmax(0,1fr);gap:var(--space-lg);justify-content:center;align-items:start;width:100%;max-width:100%;min-width:0}.rc-left-cluster{justify-self:end;display:flex;flex-direction:row;align-items:flex-start;gap:var(--space-md);min-width:0;max-width:100%;position:sticky;top:24px}@media(max-width:860px){.rc-layout{display:flex;flex-direction:column;align-items:center;gap:var(--space-md)}.rc-left-cluster{position:relative;top:0;width:100%;justify-self:stretch;flex-direction:row;align-items:stretch}}@media(max-width:1280px){.rc-left-cluster{flex-direction:column;align-items:flex-end}}@media(max-width:1100px){.rc-layout{gap:var(--space-md)}}.rc-wrap{width:100%;max-width:580px;justify-self:center;flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:var(--space-md)}.rc-left-sidebar{display:flex;flex-direction:column;align-items:center;gap:var(--space-xl);padding-top:var(--space-md);flex-shrink:0}@media(max-width:860px){.rc-left-sidebar{position:relative;top:0;flex-direction:row;width:100%;justify-content:space-between;padding:var(--space-sm) var(--space-md);background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--elevation-1);gap:var(--space-md)}.rc-vertical-progress{flex:1;flex-direction:row!important;justify-content:center}.rc-progress-bar-vertical{width:100%!important;height:6px!important;flex-direction:row!important}.rc-progress-fill-vertical{height:100%!important;transition:width .4s ease!important}.rc-progress-fraction{flex-direction:row!important;gap:4px;min-width:60px}.rc-progress-divider{margin:0 2px!important}}.rc-vertical-progress{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}.rc-progress-fraction{display:flex;flex-direction:column;align-items:center;font-weight:800;line-height:1.1;color:var(--text-tertiary)}.rc-progress-current{font-size:1.25rem;color:var(--text-primary)}.rc-progress-total{font-size:.85rem}.rc-progress-divider{font-size:.8rem;opacity:.5;margin:2px 0}.rc-progress-bar-vertical{width:6px;height:140px;background:var(--border-default);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-start}.rc-progress-fill-vertical{width:100%;background:var(--brand-primary);border-radius:4px;transition:height .4s ease}.rc-autoplay-btn{width:var(--icon-btn-size);height:var(--icon-btn-size);border-radius:var(--radius-full);background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;transition:background .15s var(--spring-smooth),border-color .15s var(--spring-smooth),color .15s var(--spring-smooth)}.rc-autoplay-btn:active{transform:scale(.96)}.rc-autoplay-btn.on{background:#0b8f8c1f;border-color:var(--brand-primary);color:var(--brand-primary)}.rc-autoplay-btn.off{background:var(--again-bg);border-color:var(--again);color:var(--again)}.rc-card{position:relative;width:100%;min-height:280px;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:var(--radius-xl);background:var(--bg-surface);box-shadow:var(--elevation-2);display:flex;flex-direction:column}.rc-card-back-style{border:2px solid rgba(241,90,41,.18);box-shadow:0 4px 24px #f15a291a;cursor:pointer}.rc-face{padding:var(--space-lg) var(--space-md);display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);flex:1;min-height:0}.rc-status-badge{position:absolute;top:var(--space-md);right:var(--space-md);font-size:.65rem;font-weight:800;padding:3px var(--space-sm);border-radius:var(--radius-lg);letter-spacing:.06em}.rc-delete-btn{position:absolute;top:var(--space-md);left:var(--space-md);width:32px;height:32px;border-radius:var(--radius-full);background:transparent;border:none;font-size:1rem;display:flex;align-items:center;justify-content:center;color:var(--text-tertiary);cursor:pointer;transition:all .2s var(--spring-bounce);z-index:10}.rc-delete-btn:hover{background:var(--again-bg);color:var(--again);transform:scale(1.1)}.rc-delete-btn:active{transform:scale(.9)}.rc-phonetic{font-size:1rem;color:var(--text-secondary);font-style:italic;margin-bottom:var(--space-xs);font-family:JetBrains Mono,ui-monospace,SFMono-Regular,monospace}.rc-main-word-area{min-height:120px;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;margin-top:var(--space-sm);margin-bottom:var(--space-md)}.rc-word-row{display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.rc-forms{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-top:10px;max-width:100%}.rc-form-chip{font-size:.72rem;font-weight:700;color:var(--text-secondary);background:var(--bg-canvas);border:1px solid var(--border-default);border-radius:999px;padding:3px 8px;line-height:1.2}.rc-form-chip.is-current{color:var(--brand-accent);border-color:#f15a2973;background:#f15a2914}.rc-form-label{font-weight:600;opacity:.7;margin-right:4px;font-size:.65rem}.rc-word{font-family:var(--font-word);font-size:2.8rem;font-weight:900;color:var(--text-primary);text-align:center;line-height:1.15;letter-spacing:-.02em;word-break:break-word;overflow-wrap:break-word;width:100%}@media(max-width:480px){.rc-word{font-size:2.1rem}.rc-translation{font-size:1.9rem!important}.rc-card{min-height:240px!important}}.rc-flip-hint{font-size:.76rem;color:var(--text-tertiary);margin-top:var(--space-xs);font-weight:700}.rc-back-top-row{position:absolute;top:var(--space-md);left:var(--space-md);display:flex;align-items:center;gap:var(--space-sm)}.rc-back-word{font-size:1.1rem;font-weight:700;color:var(--text-tertiary);word-break:break-word;overflow-wrap:break-word}.rc-translation{font-size:2.4rem;font-weight:900;color:var(--text-primary);text-align:center;line-height:1.25;word-break:break-word;overflow-wrap:break-word;width:100%;white-space:pre-wrap}.rc-example{width:100%;text-align:center;margin-top:var(--space-xs)}.rc-ex-text{font-size:.9rem;color:var(--text-primary);font-style:italic;line-height:1.5;font-weight:700}.rc-front-example{font-size:.9rem;color:var(--text-primary);font-style:italic;line-height:1.5;font-weight:700;display:flex;align-items:center;justify-content:center;gap:6px;width:100%;text-align:center}.rc-ex-trans{font-size:.85rem;color:var(--text-secondary);margin-top:2px;font-weight:700}.rc-speak-icon-btn{display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-full);color:var(--text-primary);width:var(--icon-btn-size);height:var(--icon-btn-size);transition:background .15s var(--spring-smooth);cursor:pointer}.rc-speak-icon-btn.small{width:28px;height:28px;border:1px solid var(--border-default);background:var(--bg-surface);box-shadow:none}.rc-speak-icon-btn:hover{background:#f15a2914;border-color:#a78bfa;transform:scale(1.05)}.rc-speak-icon-btn:active{transform:scale(.96)}.rc-tips-wrap{margin-top:var(--space-xs);width:100%}.rc-tips-btn{display:flex;align-items:center;justify-content:space-between;width:100%;background:var(--bg-canvas);border:1.5px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;font-weight:700;padding:var(--space-sm) var(--space-md);cursor:pointer;transition:all .2s}.rc-tips-btn.open,.rc-tips-btn:hover{background:#f15a2914;border-color:#a78bfa;color:var(--brand-accent)}.rc-tips-chevron{font-size:.65rem;opacity:.6}.rc-tips-content{background:#f15a290a;border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);font-size:.82rem;color:var(--text-secondary);line-height:1.65;font-weight:600}.rc-tips-content-wrap{margin-top:var(--space-xs);display:flex;flex-direction:column}.rc-user-note-input{width:100%;min-height:80px;background:#f15a2905;border:1.5px solid rgba(241,90,41,.15);border-radius:var(--radius-sm);padding:var(--space-sm) var(--space-md);font-size:.82rem;color:var(--text-primary);line-height:1.65;font-weight:600;resize:vertical;outline:none;transition:all .2s;font-family:inherit}.rc-user-note-input:focus{background:#f15a290d;border-color:#a78bfa;box-shadow:0 0 0 2px #a78bfa26}.rc-user-note-input::placeholder{color:var(--text-tertiary);font-weight:500}.rc-show-btn{width:100%;height:var(--btn-height);padding:var(--btn-pad);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-btn);color:var(--text-primary);font-size:.875rem;font-weight:500;letter-spacing:0;transition:background .15s var(--spring-smooth)}.rc-show-btn:hover{border-color:#a78bfa;color:var(--brand-accent);background:#f15a2914}.rc-show-btn:active{transform:scale(.96);box-shadow:none}.rc-rating-wrap{background:var(--bg-surface);border:2px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-md) var(--space-lg) var(--space-lg);box-shadow:var(--elevation-1);display:flex;flex-direction:column;gap:var(--space-md)}.rc-rating-wrap-hidden{padding:0;border:none;box-shadow:none;background:transparent}.rc-rating-hint{text-align:center;font-size:.9rem;color:var(--text-primary);font-weight:800;letter-spacing:.02em}.rc-front-example{font-size:.9rem;color:var(--text-primary);font-weight:700;font-style:italic;text-align:center}.rc-rating-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-sm);align-items:stretch;padding-bottom:max(var(--space-md),env(safe-area-inset-bottom))}@media(max-width:420px){.rc-rating-grid{grid-template-columns:repeat(2,1fr);gap:var(--space-sm)}}.rcb-wrap{position:relative;display:flex;flex-direction:column}.rcb-tooltip{position:absolute;bottom:calc(100% + var(--space-sm));left:50%;transform:translate(-50%) translateY(var(--space-xs));background:#1e1e24;color:#fff;font-size:.75rem;font-weight:800;padding:6px var(--space-md);border-radius:var(--radius-sm);white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .2s ease,transform .2s ease;z-index:20;box-shadow:var(--elevation-2)}.rcb-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:#1e1e24}.rcb-wrap:hover .rcb-tooltip{opacity:1;transform:translate(-50%) translateY(0)}.rc-rating-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-xs);background:var(--rbg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid color-mix(in srgb,var(--rc) 20%,transparent);border-radius:var(--radius-md);cursor:pointer;transition:all .2s var(--spring-bounce);padding:var(--space-sm) var(--space-xs);width:100%;color:var(--rc)}.rc-rating-btn:hover{transform:translateY(-4px);background:color-mix(in srgb,var(--rbg) 70%,#ffffff);border-color:color-mix(in srgb,var(--rc) 40%,transparent);box-shadow:0 8px 20px color-mix(in srgb,var(--rc) 20%,transparent)}.rc-rating-btn:active{transform:scale(.92);box-shadow:0 4px 12px color-mix(in srgb,var(--rc) 8%,transparent)}.rcb-icon{display:flex;align-items:center;justify-content:center;transition:color .25s ease,transform .25s ease}.rc-rating-btn .rcb-icon svg{width:24px;height:24px}.rc-rating-btn:hover .rcb-icon{transform:scale(1.1);filter:drop-shadow(0 2px 6px color-mix(in srgb,var(--rc) 30%,transparent))}.rcb-text-row{display:flex;align-items:center;justify-content:center;gap:4px;height:14px}.rcb-label{font-size:.72rem;font-weight:800;transition:color .25s ease;letter-spacing:0;white-space:nowrap}.rcb-shortcut{font-size:.65rem;font-weight:700;opacity:.4;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;transition:opacity .25s ease,color .25s ease;letter-spacing:0}.rc-rating-btn:hover .rcb-shortcut{opacity:.8}.rc-done{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);text-align:center;padding:var(--space-md) 0}.rc-done-icon{font-size:4rem}.rc-done-title{font-size:1.5rem;font-weight:900;color:var(--text-primary)}.rc-done-sub{font-size:.9rem;color:var(--text-secondary);font-weight:600}.rc-done-stats{display:flex;gap:var(--space-sm);flex-wrap:wrap;justify-content:center}.rc-stat{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-md);border:2px solid;border-radius:var(--radius-md);min-width:74px}.rc-sidebar{width:180px;flex:0 0 180px;min-width:0;justify-self:start;background:var(--bg-surface);border:2px solid rgba(255,75,75,.2);border-radius:var(--radius-lg);padding:var(--space-md) var(--space-sm);display:flex;flex-direction:column;gap:var(--space-sm);position:sticky;top:var(--space-md);box-shadow:var(--elevation-1);max-height:calc(100vh - 120px);overflow-y:auto;overscroll-behavior:contain;transition:opacity .3s var(--spring-smooth),transform .3s var(--spring-smooth)}@media(max-width:1100px){.rc-sidebar{width:148px;flex-basis:148px}}@media(max-width:860px){.rc-sidebar{width:100%;flex-basis:auto;position:relative;top:0;max-height:300px}}.rc-sidebar.focus-mode{opacity:.05;pointer-events:none;transform:translate(10px)}.rc-sidebar:hover{opacity:1!important;transform:translate(0)!important;pointer-events:auto!important}.rc-sidebar-title{font-size:.72rem;font-weight:800;color:var(--again);letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;gap:6px}.rc-sidebar-count{background:var(--again-bg);color:var(--again);border-radius:10px;padding:1px 7px;font-size:.78rem}.rc-sidebar-empty{font-size:.76rem;color:var(--text-tertiary);text-align:center;padding:var(--space-md) 0;line-height:1.6;font-weight:600}.rc-sidebar-item{background:#ff4b4b0d;border:1.5px solid rgba(255,75,75,.15);border-radius:var(--radius-sm);padding:var(--space-sm)}.rc-sidebar-front{font-size:.88rem;font-weight:800;color:var(--text-primary);margin-bottom:2px}.rc-sidebar-back{font-size:.75rem;color:var(--text-secondary);font-weight:600;white-space:pre-wrap;line-height:1.4}.rc-inline-hint{margin-top:var(--space-sm);display:flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:transparent;border:1px solid rgba(0,0,0,.05);border-radius:var(--radius-sm);animation:fadeIn .4s ease}.rc-inline-hint-text{font-size:.72rem;color:var(--text-secondary);font-weight:600}.rc-inline-hint kbd{background:var(--bg-surface);border:1px solid var(--border-default);border-bottom-width:2px;border-radius:var(--radius-xs, 4px);padding:1px 5px;margin:0 2px;font-size:.65rem;font-weight:800;color:var(--text-primary);font-family:JetBrains Mono,ui-monospace,SFMono-Regular,monospace}.rc-inline-hint-close{background:transparent;border:none;color:var(--text-tertiary);cursor:pointer;padding:2px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full);transition:all .2s var(--spring-bounce);margin-left:2px}.rc-inline-hint-close:hover{color:var(--text-primary);background:#0000000d}.rc-inline-hint-close:active{transform:scale(.96)}@media(max-width:860px){.rc-layout{flex-direction:column;gap:var(--space-sm)}.rc-card{min-height:220px;max-height:none;padding:var(--space-md)}.rc-word{font-size:1.85rem}.rc-translation{font-size:1.55rem!important}.rc-kbd-hint,.rcb-shortcut{display:none}.rc-bottom-area{position:sticky;bottom:0;z-index:30;background:linear-gradient(180deg,transparent,var(--bg-canvas) 12px);padding-top:8px;padding-bottom:4px}.rc-rating-wrap{padding:var(--space-sm) var(--space-sm) var(--space-md);border-radius:var(--radius-lg)}.rc-rating-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-top:0!important;padding-bottom:0}.rc-rating-btn{min-height:56px;padding:10px 6px}.rc-show-btn{min-height:48px}.rc-front-example,.rc-example{font-size:.82rem}}@media(max-width:680px){.rc-sidebar{display:none}}.pomodoro-widget{position:fixed;bottom:calc(64px + var(--space-md));right:var(--space-md);z-index:100;background:var(--bg-surface, #fff);border:1.5px solid var(--border-default, #e5e7eb);border-radius:var(--radius-lg);box-shadow:var(--elevation-2);padding:var(--space-sm) var(--space-md);display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);min-width:110px;transition:box-shadow .2s,opacity .3s var(--spring-smooth),transform .3s var(--spring-smooth)}.pomodoro-widget.focus-mode{opacity:.1;pointer-events:none;transform:translateY(10px)}.pomodoro-widget:hover{box-shadow:var(--elevation-3);opacity:1!important;pointer-events:auto!important;transform:translateY(0)!important}.pomodoro-widget.done{border-color:var(--brand-primary);background:#0b8f8c0f;animation:pomodoro-pulse .6s ease}@keyframes pomodoro-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.pomodoro-label{font-size:.72rem;font-weight:500;color:var(--text-secondary, #888);letter-spacing:.03em;display:flex;align-items:center;gap:6px}.pomodoro-presets{display:flex;gap:5px;flex-wrap:wrap;justify-content:center}.pomodoro-preset-btn{background:var(--bg-canvas, #f4f4f5);color:var(--text-primary, #333);border:none;border-radius:var(--radius-sm);padding:4px 9px;font-size:.72rem;font-weight:700;cursor:pointer;transition:background .15s,transform .15s var(--spring-bounce)}.pomodoro-preset-btn:hover{background:#ff6b35;color:#fff;transform:scale(1.08)}.pomodoro-preset-btn:active{transform:scale(.92)}.pomodoro-ring-wrap{position:relative;width:64px;height:64px;display:flex;align-items:center;justify-content:center}.pomodoro-ring{width:64px;height:64px;transform:rotate(-90deg)}.pomodoro-ring-bg{fill:none;stroke:var(--border-default, #e5e7eb);stroke-width:4}.pomodoro-ring-fill{fill:none;stroke:#ff6b35;stroke-width:4;stroke-linecap:round;transition:stroke-dashoffset .9s linear}.pomodoro-widget.done .pomodoro-ring-fill{stroke:var(--brand-primary)}.pomodoro-time{position:absolute;font-size:.78rem;font-weight:900;color:var(--text-primary, #333);font-variant-numeric:tabular-nums;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,monospace;letter-spacing:-.02em}.pomodoro-done-msg{font-size:.7rem;font-weight:800;color:var(--brand-primary)}.pomodoro-reset-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;color:var(--text-secondary, #aaa);padding:0 4px;line-height:1;transition:color .15s,transform .15s var(--spring-bounce)}.pomodoro-reset-btn:hover{color:var(--text-primary, #333);transform:rotate(-30deg) scale(1.15)}.pomodoro-reset-btn:active{transform:rotate(-60deg) scale(.9)}.rc-ear-mode-btn{width:var(--icon-btn-size);height:var(--icon-btn-size);border-radius:var(--radius-full);background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;cursor:pointer;transition:background .15s var(--spring-smooth),border-color .15s var(--spring-smooth)}.rc-ear-mode-btn:active{transform:scale(.96)}.rc-ear-mode-btn.on{background:#f15a291a;border-color:var(--brand-accent)}.rc-ear-mode-active .rc-word,.rc-ear-mode-active .rc-phonetic,.rc-ear-mode-active .rc-forms,.rc-ear-mode-active span{filter:blur(6px);opacity:.35!important;-webkit-user-select:none;user-select:none;transition:all .3s ease!important}.rc-ear-mode-active:hover .rc-word,.rc-ear-mode-active:hover .rc-phonetic,.rc-ear-mode-active:hover .rc-forms,.rc-ear-mode-active:hover span{filter:blur(0px);opacity:1!important;-webkit-user-select:auto;user-select:auto}.rkd{position:relative;width:200px;max-width:100%;flex-shrink:0;border:1px solid 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ease infinite}.rkd-back{animation-name:rkd-back;padding:8px}.rkd-kicker{font-size:.62rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary)}.rkd-word{font-family:var(--font-word, Georgia, serif);font-size:1.25rem;font-weight:700;letter-spacing:-.03em;color:var(--brand-ink);line-height:1.1}.rkd-hint{margin-top:4px;font-size:.68rem;font-weight:600;color:var(--text-tertiary)}.rkd-keys{display:flex;flex-direction:column;align-items:stretch;gap:8px;width:100%}.rkd-key-group{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.rkd-key{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:0;padding:6px 4px 5px;border-radius:8px;background:var(--bg-surface);border:1px solid var(--border-subtle);box-shadow:0 2px 0 var(--border-subtle);color:var(--brand-ink);transform:translateY(0)}.rkd-key-space{min-width:0;width:100%;animation:rkd-press-space 10s ease infinite}.rkd-key-e{animation:rkd-press-e 10s ease 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