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svg{width:18px;height:18px}.mf-accordion-item.open .mf-accordion-chevron{transform:rotate(180deg)}.mf-accordion-content{max-height:0;overflow:hidden;transition:max-height .28s ease}.mf-accordion-inner{padding:0 24px 24px 60px;color:#565656;line-height:1.75;font-size:16px}.mf-accordion-inner p{margin:0 0 14px}.mf-accordion-inner ul{margin:0;padding-left:22px}.mf-accordion-inner li{margin:8px 0}.mf-accordion-inner strong{color:#1f7a6b}.mf-accordion-inner a{color:#1f7a6b;text-decoration:none}.mf-accordion-inner a:hover{text-decoration:underline}@media (max-width:768px){.mf-accordion{gap:12px}.mf-accordion-header{padding:18px}.mf-accordion-title{font-size:17px}.mf-accordion-inner{padding:0 18px 18px 52px;font-size:15px}}.mf-game>.mf-game-chrome-header,.mf-game>.mf-game-chrome-status{width:100%;grid-column:1 / -1}.mf-game-header{width:100%;margin:0}.mf-game-title-row{display:flex;align-items:center;justify-content:space-between;gap:32px}.mf-game-title{display:inline-block;margin:0;font-family:Manrope,sans-serif;font-size:32px !important;line-height:1.2;font-weight:700;letter-spacing:-0.02em;color:var(--text,#111827) !important}.mf-game-instruction{display:block;margin:8px 0 0;font-family:Inter,sans-serif;font-size:16px;line-height:1.6;font-weight:400;color:var(--muted,#6B7280) !important}.mf-game-help-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 14px;border:1px solid var(--border,#E5E7EB);border-radius:10px;background:transparent;color:var(--text,#111827) !important;font-family:Inter,sans-serif;font-size:14px;font-weight:600;cursor:pointer;user-select:none;box-sizing:border-box;transition:background .15s ease,border-color .15s ease,transform .15s ease}.mf-game-help-button:hover{background:rgba(0,0,0,.03) 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!important;font-weight:700;background:rgba(15,118,110,0.08)}.mf-game-status-action:active{transform:scale(0.97)}.mf-game-status-action[aria-disabled="true"],.mf-game-status-action.disabled{color:#9CA3AF !important;background:transparent !important;cursor:not-allowed !important;pointer-events:none !important;font-weight:500 !important;transform:none !important;opacity:0.6 !important}.mf-game-status-timer-icon{display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;color:var(--muted,#6B7280) !important}.mf-game-chrome-hidden{display:none !important}.mf-game-status{position:relative;overflow:hidden}.mf-game-completion-runner{position:absolute;bottom:0;left:0;height:3px;background:#0F766E;width:0%;transition:none}.mf-game-completion-runner.running{width:100%;transition:width 2500ms linear}.mf-game-focus-stage{font-family:Inter,sans-serif !important;font-size:13px !important;font-weight:500 !important;color:#4B5563 !important;letter-spacing:0.01em 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#E2E8F0;border-radius:16px;padding:0.85rem 0.5rem}.mf-stat-box{text-align:center}.mf-stat-value{display:block;font-family:"Manrope",sans-serif;font-size:1.25rem;font-weight:700;color:#1E293B;margin-bottom:0.15rem}.mf-stat-label{font-size:0.72rem;font-weight:600;color:#64748B;text-transform:uppercase;letter-spacing:0.04em;display:block;white-space:nowrap}.mf-modal-streak-banner{text-align:center;margin-bottom:1rem;font-weight:600;font-size:0.95rem;color:#D97706}.mf-modal-actions{display:flex;flex-direction:column;gap:0.75rem}.mf-modal-actions .mf-btn{width:100%;min-height:44px;padding:0.75rem 1.25rem;border-radius:12px;font-family:"Inter",sans-serif;font-size:0.95rem;font-weight:600;cursor:pointer;text-align:center;border:1px solid transparent;text-decoration:none;box-sizing:border-box;transition:background 0.15s ease,border-color 0.15s ease;display:inline-flex;align-items:center;justify-content:center}.mf-modal-actions .mf-btn-primary{background:#0F766E;color:#FFFFFF}.mf-modal-actions 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(max-width:768px){.mf-help-panel{width:100vw;max-width:100vw;right:-100vw}.mf-help-header{padding:22px}.mf-help-body{padding:22px}.mf-help-footer{padding:22px}.mf-help-title{font-size:1.75rem}}:root{--mf-toast-bottom:36px}.toast{position:fixed;left:50%;bottom:var(--mf-toast-bottom);transform:translateX(-50%) translateY(20px);display:flex;align-items:center;gap:12px;width:auto;min-width:320px;max-width:480px;padding:14px 20px;border-radius:12px;color:#FFFFFF;font-size:14px;font-weight:600;line-height:1.35;box-shadow:0 12px 32px rgba(15,23,42,0.20);opacity:0;pointer-events:auto;transition:opacity .25s cubic-bezier(0.16,1,0.3,1),transform .25s cubic-bezier(0.16,1,0.3,1);z-index:10002}.toast.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}.toast-icon{width:20px;height:20px;flex:none;display:flex;align-items:center;justify-content:center}.toast-icon svg{width:20px;height:20px;display:block;stroke:currentColor}.toast-message{flex:1;text-align:left;word-break:break-word}.toast-success{background:#1f7a6b}.toast-warning{background:#d6a133;color:#2f2412}.toast-error{background:#c54b4b}.toast-info{background:#3578e5}.toast-close{display:flex;align-items:center;justify-content:center;width:24px;height:24px;padding:0;border:none;background:transparent;color:currentColor;opacity:0.7;font-size:14px;font-weight:700;cursor:pointer;flex:none;transition:opacity 0.15s ease}.toast-close:hover{opacity:1}.toast.toast-pedagogical{background:#0F766E;color:#FFFFFF;border-left:4px solid #14B8A6;box-shadow:0 10px 25px rgba(15,118,110,0.25)}@media (max-width:700px){.toast{left:16px;right:16px;bottom:var(--mf-toast-bottom);width:auto;min-width:0;max-width:none;transform:translateY(16px)}.toast.show{transform:translateY(0)}}@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Manrope:wght@600;700;800&display=swap');:root{--mf-primary:#0F766E;--mf-primary-hover:#115E59;--mf-primary-light:#ECFDF5;--mf-background:#F8FAFC;--mf-surface:#FFFFFF;--mf-heading:#111827;--mf-text:#4B5563;--mf-muted:#9CA3AF;--mf-border:#E5E7EB;--mf-divider:#D1D5DB;--mf-success:#16A34A;--mf-warning:#D97706;--mf-error:#DC2626;--mf-gold:#C9A227;--mf-radius-sm:8px;--mf-radius:16px;--mf-radius-lg:24px;--mf-radius-xl:32px;--mf-shadow-sm:0 2px 8px rgba(17,24,39,.05);--mf-shadow:0 10px 30px rgba(17,24,39,.08);--mf-shadow-lg:0 18px 48px 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var(--mf-primary);outline-offset:3px}.mfs-card{cursor:pointer;transition:transform 0.28s ease,border-color 0.28s ease}.mfs-card:hover{transform:translateY(-4px);border-color:var(--mf-primary) !important}.mfs-card .mfs-card-title{transition:color 0.28s ease}.mfs-card:hover .mfs-card-title{color:var(--mf-primary)}.mfs-card .mfs-card-arrow{display:inline-block;transition:transform 0.28s ease,color 0.28s ease}.mfs-card:hover .mfs-card-arrow{transform:translateX(4px);color:var(--mf-primary)}.controls-section{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap}.toggle{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:18px;font-family:var(--mf-font-body);font-size:15px;font-weight:500;color:var(--mf-text)}.mfs-link{display:inline-flex !important;text-decoration:none !important;gap:6px !important;color:var(--mf-primary) !important;font-weight:600 !important;transition:color .25s ease,gap .25s ease}.mfs-link:hover{gap:10px 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0}.mf-grid{display:grid;gap:var(--mf-space-lg)}.mf-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.mf-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.mf-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.mf-flex{display:flex}.mf-stack{display:flex;flex-direction:column}.mf-display{font-family:var(--mf-font-heading);font-size:clamp(3rem,7vw,5rem);font-weight:700;line-height:1.05;color:var(--mf-heading)}.mf-h1{font-family:var(--mf-font-heading);font-size:clamp(2.4rem,5vw,3.5rem);font-weight:700;line-height:1.15;color:var(--mf-heading)}.mf-h2{font-family:var(--mf-font-heading);font-size:clamp(2rem,4vw,2.6rem);font-weight:700;line-height:1.2;color:var(--mf-heading)}.mf-h3{font-family:var(--mf-font-heading);font-size:1.75rem;font-weight:700;line-height:1.3;color:var(--mf-heading)}.mf-h4{font-family:var(--mf-font-heading);font-size:1.35rem;font-weight:600;line-height:1.4;color:var(--mf-heading)}.mf-text{color:var(--mf-text);line-height:1.8}.mf-lead{font-size:1.2rem;color:var(--mf-heading);line-height:1.8}.mf-small{font-size:.92rem;color:var(--mf-muted)}.mf-muted{color:var(--mf-muted)}@media (max-width:1024px){.mf-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:768px){.mf-section{padding:72px 0}.mf-grid-2,.mf-grid-3,.mf-grid-4{grid-template-columns:1fr}}@media (max-width:480px){.mf-section{padding:56px 0}}.mf-btn{display:inline-flex;justify-content:center;align-items:center;gap:10px;padding:12px 24px;border:none;border-radius:12px;font-family:var(--mf-font-body);font-size:16px;font-weight:600;line-height:1;cursor:pointer;transition:background-color var(--mf-speed),color var(--mf-speed),border-color var(--mf-speed),transform var(--mf-speed)}.mf-btn:hover{transform:translateY(-2px)}.mf-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.mf-btn:disabled:hover{transform:none}.mf-btn-primary{background:var(--mf-primary);color:#FFFFFF}.mf-btn-primary:hover{background:var(--mf-primary-hover)}.mf-btn-secondary{background:var(--mf-surface);color:var(--mf-heading);border:1px solid var(--mf-border)}.mf-btn-secondary:hover{border-color:var(--mf-primary)}.mf-btn-ghost{background:transparent;color:var(--mf-heading)}.mf-btn-link{padding:0;background:none;color:var(--mf-primary)}.mf-card{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--mf-surface);border:1px solid var(--mf-border);border-radius:var(--mf-radius-lg);transition:transform var(--mf-speed),border-color var(--mf-speed)}.mf-card:hover{transform:translateY(-4px);border-color:var(--mf-primary)}.mf-card-header{display:flex;align-items:center;gap:12px}.mf-card-body{flex:1}.mf-card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.mf-card-title{margin:0;font-family:var(--mf-font-heading);font-size:22px;font-weight:600;color:var(--mf-heading);transition:color var(--mf-speed)}.mf-card-text{margin:0;color:var(--mf-text);line-height:1.7}.mf-card-link{display:inline-flex;align-items:center;gap:8px;color:var(--mf-primary);font-weight:600}.mf-card:hover .mf-card-title{color:var(--mf-primary)}.mf-navbar{display:flex;justify-content:space-between;align-items:center}.mf-nav{display:flex;gap:32px}.mf-nav-link{position:relative;color:var(--mf-heading);font-weight:500;transition:color var(--mf-speed)}.mf-nav-link:hover{color:var(--mf-primary)}.mf-hero{padding:120px 0}.mf-hero-title{max-width:12ch}.mf-hero-subtitle{max-width:36rem;margin-top:24px}.mf-hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}.mf-badge{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:999px;background:var(--mf-primary-light);color:var(--mf-primary);font-size:14px;font-weight:600}.mf-badge-success{background:#DCFCE7;color:var(--mf-success)}.mf-badge-warning{background:#FEF3C7;color:var(--mf-warning)}.mf-badge-error{background:#FEE2E2;color:var(--mf-error)}.mf-input,.mf-select{width:100%;padding:12px 16px;border:1px solid var(--mf-border);border-radius:12px;background:var(--mf-surface);color:var(--mf-heading);font:inherit;transition:border-color var(--mf-speed)}.mf-input:focus,.mf-select:focus{outline:none;border-color:var(--mf-primary)}.mf-label{display:block;margin-bottom:8px;font-weight:600;color:var(--mf-heading)}.mf-game{width:100%;color:var(--mf-text);font-family:var(--mf-font-body)}.mf-board{position:relative;width:100%;margin-inline:auto}.mf-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:24px}.mf-header{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px}.mf-footer{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:32px;flex-wrap:wrap}.mf-stat{display:flex;flex-direction:column;gap:4px}.mf-stat-value{font-size:1.5rem;font-weight:700;color:var(--mf-heading)}.mf-stat-label{font-size:.85rem;color:var(--mf-muted)}.mf-card{transition:transform var(--mf-speed),border-color var(--mf-speed),color var(--mf-speed)}.mf-card:hover{transform:translateY(-4px);border-color:var(--mf-primary)}.mf-card:hover .mf-card-title{color:var(--mf-primary)}.mf-arrow{display:inline-flex;align-items:center;transition:transform var(--mf-speed),color var(--mf-speed)}.mf-card:hover .mf-arrow{transform:translateX(4px);color:var(--mf-primary)}.mf-btn{transition:background-color var(--mf-speed),border-color var(--mf-speed),color var(--mf-speed),transform var(--mf-speed)}.mf-btn:hover{transform:translateY(-2px)}.mf-link{transition:color var(--mf-speed)}.mf-link:hover{color:var(--mf-primary)}.mf-hidden{display:none !important}.mf-center{display:flex;justify-content:center;align-items:center}.mf-between{display:flex;justify-content:space-between;align-items:center}.mf-start{display:flex;align-items:flex-start}.mf-end{display:flex;align-items:flex-end}.mf-wrap{flex-wrap:wrap}.mf-gap-xs{gap:var(--mf-space-xs)}.mf-gap-sm{gap:var(--mf-space-sm)}.mf-gap-md{gap:var(--mf-space-md)}.mf-gap-lg{gap:var(--mf-space-lg)}.mf-gap-xl{gap:var(--mf-space-xl)}.mf-rounded{border-radius:var(--mf-radius)}.mf-rounded-lg{border-radius:var(--mf-radius-lg)}.mf-rounded-xl{border-radius:var(--mf-radius-xl)}.mf-border{border:1px solid var(--mf-border)}.mf-w-full{width:100%}.mf-text-center{text-align:center}.mf-text-left{text-align:left}.mf-text-right{text-align:right}@media (max-width:1024px){.mf-hero{padding:96px 0}}@media (max-width:768px){.mf-header,.mf-footer,.mf-toolbar{flex-direction:column;align-items:flex-start}.mf-hero{padding:72px 0}}@media (max-width:480px){.mf-section{padding:56px 0}.mf-hero{padding:56px 0}}#hintCount{margin-left:5px}