@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #4361EE;--primary-dark: #3A56D4;--primary-light: #EEF2FF;--success: #22C55E;--success-light: #F0FDF4;--error: #EF4444;--error-light: #FEF2F2;--warning: #F59E0B;--warning-light: #FFFBEB;--bg: #F3F4F8;--surface: #FFFFFF;--text: #111827;--text-muted: #6B7280;--border: #E5E7EB;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;-webkit-font-smoothing:antialiased}#root{display:flex;flex-direction:column;min-height:100dvh}.app-header{background:linear-gradient(135deg,#4361ee,#3a0ca3);color:#fff;padding:0 20px;height:60px;display:flex;align-items:center;gap:10px;flex-shrink:0;box-shadow:0 2px 12px #4361ee59}.app-header-logo{font-size:22px;font-weight:800;letter-spacing:-.5px}.app-header-flag{font-size:20px}.logout-btn{background:#ffffff26;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12px;font-weight:600;padding:5px 12px;border-radius:50px;cursor:pointer;font-family:inherit;transition:background .15s;white-space:nowrap}.logout-btn:hover{background:#ffffff40}.prefs-bar{display:flex;align-items:center;gap:12px;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;flex-wrap:wrap}.prefs-group{display:flex;gap:6px}.prefs-chip{padding:4px 12px;border-radius:50px;border:1.5px solid var(--border);background:transparent;font-size:12px;font-weight:600;color:var(--text-muted);cursor:pointer;font-family:inherit;transition:all .15s;white-space:nowrap}.prefs-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.prefs-chip:hover:not(.active){border-color:var(--primary);color:var(--primary)}.tab-bar{display:flex;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0;padding:4px 8px;gap:4px}.tab-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 4px;background:none;border:none;border-radius:var(--radius-sm);cursor:pointer;font-size:11px;font-weight:500;color:var(--text-muted);transition:color .15s,background .15s;font-family:inherit}.tab-btn svg{width:22px;height:22px;stroke-width:1.75}.tab-btn.active{color:var(--primary);background:var(--primary-light);font-weight:600}.screen{flex:1;overflow-y:auto;padding:20px 16px}.screen-title{font-size:26px;font-weight:800;margin-bottom:4px;letter-spacing:-.5px}.screen-subtitle{font-size:14px;color:var(--text-muted);margin-bottom:20px}.input-label{display:block;font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.4px}textarea,input[type=text]{width:100%;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius-md);padding:14px 16px;font-size:15px;font-family:inherit;color:var(--text);resize:none;outline:none;transition:border-color .15s,box-shadow .15s;box-shadow:var(--shadow-sm)}textarea:focus,input[type=text]:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4361ee1f}.btn{width:100%;padding:15px;border:none;border-radius:var(--radius-md);font-size:15px;font-weight:700;cursor:pointer;transition:transform .1s,box-shadow .1s,opacity .15s;font-family:inherit;letter-spacing:.2px;margin-top:12px}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px #4361ee66}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-green{background:var(--success);color:#fff;box-shadow:0 4px 14px #22c55e59}.btn-green:hover:not(:disabled){background:#16a34a}.direction-toggle{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;background:var(--primary-light);border:2px solid #C7D2FE;border-radius:var(--radius-md);padding:13px 16px;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:16px;transition:background .15s,border-color .15s}.direction-toggle:hover{background:#e0e7ff;border-color:var(--primary)}.direction-toggle svg{width:18px;height:18px;flex-shrink:0}.form-group{margin-bottom:12px}.result-card{background:var(--surface);border-radius:var(--radius-lg);padding:20px;margin-top:16px;box-shadow:var(--shadow-md);border:1.5px solid var(--border);animation:slideUp .2s ease}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.result-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin-bottom:8px}.result-text{font-size:16px;line-height:1.6}.result-card.correct{border-color:var(--success);background:var(--success-light)}.result-card.incorrect{border-color:var(--error);background:var(--error-light)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:5px 12px;border-radius:50px;margin-bottom:12px}.badge.correct{background:var(--success);color:#fff}.badge.incorrect{background:var(--error);color:#fff}.article-card{background:linear-gradient(135deg,#f59e0b,#d97706);border-radius:var(--radius-lg);padding:32px 20px;margin-top:16px;text-align:center;box-shadow:0 8px 24px #f59e0b59;animation:slideUp .2s ease}.article-big{font-size:64px;font-weight:800;color:#fff;line-height:1;margin-bottom:4px}.word-label{font-size:24px;font-weight:600;color:#ffffffe6;margin-bottom:16px}.explanation{font-size:14px;color:#ffffffd9;line-height:1.6;background:#00000026;border-radius:var(--radius-sm);padding:12px}.phrase-list{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:8px}.phrase-item{display:flex;align-items:center;background:var(--surface);border-radius:var(--radius-md);padding:14px 16px;box-shadow:var(--shadow-sm);border:1.5px solid var(--border);transition:box-shadow .15s}.phrase-item:hover{box-shadow:var(--shadow-md)}.phrase-content{flex:1}.phrase-text{font-size:15px;font-weight:600}.phrase-trans{font-size:13px;color:var(--text-muted);margin-top:2px}.delete-btn{background:var(--error-light);border:none;color:var(--error);font-size:14px;font-weight:700;cursor:pointer;padding:6px 10px;border-radius:var(--radius-sm);transition:background .15s}.delete-btn:hover{background:#fee2e2}.ask-screen{display:flex;flex-direction:column;overflow:hidden;padding-bottom:0}.ask-suggestions{margin-top:8px}.ask-suggestions-label{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);margin-bottom:10px}.ask-suggestion-chip{display:block;width:100%;text-align:left;background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);padding:12px 16px;font-size:14px;font-family:inherit;color:var(--primary);font-weight:500;cursor:pointer;margin-bottom:8px;transition:background .15s,border-color .15s}.ask-suggestion-chip:hover{background:var(--primary-light);border-color:var(--primary)}.ask-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px;padding-bottom:12px}.ask-bubble{max-width:85%;padding:12px 16px;border-radius:var(--radius-lg);font-size:15px;line-height:1.55;animation:slideUp .15s ease;white-space:pre-wrap}.ask-bubble--user{background:var(--primary);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.ask-bubble--assistant{background:var(--surface);color:var(--text);border:1.5px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start;box-shadow:var(--shadow-sm)}.ask-bubble--typing{display:flex;gap:5px;align-items:center;padding:16px}.ask-bubble--typing span{width:8px;height:8px;background:var(--text-muted);border-radius:50%;animation:bounce .9s infinite}.ask-bubble--typing span:nth-child(2){animation-delay:.15s}.ask-bubble--typing span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0)}30%{transform:translateY(-6px)}}.ask-input-row{display:flex;gap:10px;padding:12px 16px;background:var(--surface);border-top:1px solid var(--border);flex-shrink:0}.ask-input-row input{flex:1;margin:0;border-radius:50px;padding:12px 18px}.ask-send-btn{width:46px;height:46px;border-radius:50%;background:var(--primary);border:none;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,transform .1s}.ask-send-btn:hover:not(:disabled){background:var(--primary-dark)}.ask-send-btn:active{transform:scale(.92)}.ask-send-btn:disabled{opacity:.5;cursor:not-allowed}.pod-phrase-card{background:linear-gradient(135deg,#4361ee,#3a0ca3);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:0 8px 24px #4361ee59;animation:slideUp .2s ease}.pod-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:#ffffffa6;margin-bottom:10px}.pod-phrase{font-size:26px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:10px;letter-spacing:-.3px}.pod-translation{font-size:15px;color:#fffc;font-weight:500}.pod-empty{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:48px;color:var(--text-muted);text-align:center;font-size:15px;line-height:1.5}.pod-empty-icon{font-size:52px}.speak-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:1.5px solid var(--border);border-radius:50%;width:34px;height:34px;cursor:pointer;color:var(--text-muted);flex-shrink:0;transition:color .15s,border-color .15s,background .15s}.speak-btn:hover{color:var(--primary);border-color:var(--primary)}.speak-btn.speaking{color:var(--error);border-color:var(--error);background:var(--error-light)}.result-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.error-msg{color:var(--error);font-size:13px;font-weight:500;margin-top:10px;padding:10px 14px;background:var(--error-light);border-radius:var(--radius-sm);border:1px solid #FECACA}.empty{text-align:center;color:var(--text-muted);margin-top:40px;font-size:15px}.spinner{display:flex;justify-content:center;margin:24px 0}@keyframes spin{to{transform:rotate(360deg)}}.spinner:after{content:"";width:30px;height:30px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}