@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap";:root{--color-bg-primary: #0a0f1a;--color-bg-secondary: #111827;--color-bg-tertiary: #1e293b;--color-bg-card: #162032;--color-bg-hover: #1e3a5f;--color-accent-primary: #06b6d4;--color-accent-secondary: #22d3ee;--color-accent-tertiary: #67e8f9;--color-accent-glow: rgba(6, 182, 212, .3);--color-success: #10b981;--color-success-bg: rgba(16, 185, 129, .1);--color-error: #ef4444;--color-error-bg: rgba(239, 68, 68, .1);--color-warning: #f59e0b;--color-warning-bg: rgba(245, 158, 11, .1);--color-text-primary: #f1f5f9;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-border: #334155;--color-border-light: #475569;--font-primary: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "Space Mono", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-glow: 0 0 20px var(--color-accent-glow);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px}body{font-family:var(--font-primary);background:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;color:var(--color-text-primary)}h1{font-size:2.25rem}h2{font-size:1.75rem}h3{font-size:1.375rem}h4{font-size:1.125rem}p{color:var(--color-text-secondary)}a{color:var(--color-accent-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-secondary)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:var(--spacing-md)}.spinner{width:48px;height:48px;border:3px solid var(--color-border);border-top-color:var(--color-accent-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.layout{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--color-bg-secondary);border-bottom:1px solid var(--color-border);padding:var(--spacing-md) var(--spacing-lg);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100}.header-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.25rem;font-weight:700;color:var(--color-accent-primary)}.header-logo svg{width:28px;height:28px}.header-user{display:flex;align-items:center;gap:var(--spacing-md)}.header-user-info{text-align:right}.header-user-name{font-weight:500;font-size:.9rem}.header-user-role{font-size:.75rem;color:var(--color-text-muted);text-transform:capitalize}.main-content{flex:1;padding:var(--spacing-xl);max-width:1400px;width:100%;margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-family:var(--font-primary);font-size:.9rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-accent-primary);color:var(--color-bg-primary)}.btn-primary:hover:not(:disabled){background:var(--color-accent-secondary);box-shadow:var(--shadow-glow)}.btn-secondary{background:var(--color-bg-tertiary);color:var(--color-text-primary);border:1px solid var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg-hover);border-color:var(--color-accent-primary)}.btn-danger{background:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background:#dc2626}.btn-success{background:var(--color-success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-icon{padding:var(--spacing-sm);background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border)}.btn-icon:hover:not(:disabled){color:var(--color-accent-primary);border-color:var(--color-accent-primary)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.8rem}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;margin-bottom:var(--spacing-xs);font-weight:500;font-size:.9rem;color:var(--color-text-secondary)}.form-input{width:100%;padding:var(--spacing-sm) var(--spacing-md);font-family:var(--font-primary);font-size:1rem;color:var(--color-text-primary);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-accent-primary);box-shadow:0 0 0 3px var(--color-accent-glow)}.form-input::placeholder{color:var(--color-text-muted)}.form-textarea{min-height:100px;resize:vertical}.form-error{margin-top:var(--spacing-xs);font-size:.8rem;color:var(--color-error)}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all var(--transition-fast)}.card:hover{border-color:var(--color-border-light)}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.card-title{font-size:1.125rem;font-weight:600}.card-description{font-size:.9rem;color:var(--color-text-muted);margin-top:var(--spacing-xs)}.card-actions{display:flex;gap:var(--spacing-sm)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-xl);flex-wrap:wrap;gap:var(--spacing-md)}.page-title{font-size:1.75rem}.page-subtitle{color:var(--color-text-muted);font-size:.95rem;margin-top:var(--spacing-xs)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.table-container{overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--color-border)}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:var(--spacing-md);text-align:left;border-bottom:1px solid var(--color-border)}.table th{background:var(--color-bg-tertiary);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary)}.table tr:hover td{background:var(--color-bg-hover)}.table tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem;font-weight:500;border-radius:var(--radius-full);text-transform:capitalize}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-error{background:var(--color-error-bg);color:var(--color-error)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-info{background:#06b6d41a;color:var(--color-accent-primary)}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:var(--spacing-md);z-index:1000;animation:fadeIn .15s ease}.modal{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-xl);max-width:500px;width:100%;max-height:90vh;overflow-y:auto;animation:slideUp .2s ease}.modal-header{padding:var(--spacing-lg);border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center}.modal-title{font-size:1.25rem}.modal-body{padding:var(--spacing-lg)}.modal-footer{padding:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:var(--spacing-sm)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.empty-state{text-align:center;padding:var(--spacing-2xl);color:var(--color-text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.tabs{display:flex;gap:var(--spacing-sm);border-bottom:1px solid var(--color-border);margin-bottom:var(--spacing-lg);overflow-x:auto}.tab{padding:var(--spacing-md) var(--spacing-lg);font-weight:500;color:var(--color-text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.tab:hover{color:var(--color-text-primary)}.tab.active{color:var(--color-accent-primary);border-bottom-color:var(--color-accent-primary)}.voice-indicator{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-tertiary);border-radius:var(--radius-full);font-size:.85rem}.voice-indicator.listening{background:var(--color-error-bg);color:var(--color-error)}.voice-indicator.listening .voice-dot{background:var(--color-error);animation:pulse 1s infinite}.voice-dot{width:8px;height:8px;background:var(--color-text-muted);border-radius:50%}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.2)}}.spelling-display{font-family:var(--font-mono);font-size:2.5rem;letter-spacing:.2em;text-align:center;padding:var(--spacing-xl);background:var(--color-bg-tertiary);border-radius:var(--radius-lg);min-height:100px;display:flex;align-items:center;justify-content:center;border:2px solid var(--color-border);transition:all var(--transition-fast)}.spelling-display.correct{border-color:var(--color-success);background:var(--color-success-bg)}.spelling-display.incorrect{border-color:var(--color-error);background:var(--color-error-bg)}.progress-bar{width:100%;height:8px;background:var(--color-bg-tertiary);border-radius:var(--radius-full);overflow:hidden}.progress-bar-fill{height:100%;background:var(--color-accent-primary);border-radius:var(--radius-full);transition:width var(--transition-normal)}.score-display{text-align:center;padding:var(--spacing-xl)}.score-value{font-size:4rem;font-weight:700;color:var(--color-accent-primary)}.score-label{font-size:1rem;color:var(--color-text-muted)}.droppable-area{min-height:60px;padding:var(--spacing-md);background:var(--color-bg-tertiary);border:2px dashed var(--color-border);border-radius:var(--radius-md);transition:all var(--transition-fast)}.droppable-area.over{border-color:var(--color-accent-primary);background:var(--color-bg-hover)}.draggable-item{padding:var(--spacing-sm) var(--spacing-md);background:var(--color-accent-primary);color:var(--color-bg-primary);border-radius:var(--radius-md);cursor:grab;font-weight:500;-webkit-user-select:none;user-select:none;touch-action:none}.draggable-item:active{cursor:grabbing}.draggable-item.dragging{opacity:.5}.checkbox-group{display:flex;align-items:center;gap:var(--spacing-sm);cursor:pointer}.checkbox{width:20px;height:20px;accent-color:var(--color-accent-primary);cursor:pointer}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.alert-error{background:var(--color-error-bg);border:1px solid var(--color-error);color:var(--color-error)}.alert-success{background:var(--color-success-bg);border:1px solid var(--color-success);color:var(--color-success)}.test-section{margin-bottom:var(--spacing-2xl)}.test-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.test-section-title{font-size:1.25rem;color:var(--color-accent-primary)}.word-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.word-item{display:flex;gap:var(--spacing-sm);align-items:flex-start}.word-item .form-input{flex:1}@media(max-width:768px){html{font-size:14px}.header{padding:var(--spacing-sm) var(--spacing-md)}.main-content{padding:var(--spacing-md)}.page-header{flex-direction:column;align-items:flex-start}.spelling-display{font-size:1.75rem;padding:var(--spacing-md)}.modal{margin:var(--spacing-sm)}.tabs{gap:0}.tab{padding:var(--spacing-sm) var(--spacing-md);flex:1;text-align:center}.table th,.table td{padding:var(--spacing-sm)}h1{font-size:1.75rem}h2{font-size:1.5rem}}@media(max-width:480px){.btn,.page-header .btn{width:100%}.card-actions{flex-direction:column;width:100%}.card-actions .btn{width:100%}}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--color-text-muted)}.text-success{color:var(--color-success)}.text-error{color:var(--color-error)}.text-warning{color:var(--color-warning)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.w-full{width:100%}