:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--bg-hover: #2a2a2a;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--border-color: #333333;--border-light: #444444;--quadrant-important-urgent: #ef4444;--quadrant-important-not-urgent: #eab308;--quadrant-not-important-urgent: #3b82f6;--quadrant-not-important-not-urgent: #9ca3af;--accent: #8b5cf6;--accent-hover: #a78bfa;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}*{margin:0;padding:0;box-sizing:border-box}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}.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)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-md);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition-fast);outline:none}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-hover)}.btn-ghost{background:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-icon{width:40px;height:40px;padding:0;border-radius:var(--radius-full)}.btn-lg{padding:var(--spacing-md) var(--spacing-lg);font-size:16px}.input{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;transition:border-color var(--transition-fast)}.input:focus{outline:none;border-color:var(--accent)}.input::placeholder{color:var(--text-muted)}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-md)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes recording{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.animate-fadeIn{animation:fadeIn var(--transition-normal) ease forwards}.animate-pulse{animation:pulse 2s infinite}.animate-recording{animation:recording 1s infinite}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.time-block{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);animation:fadeIn var(--transition-normal) ease}.time-block:hover{background:var(--bg-hover);border-color:var(--border-light)}.time-block.completed{opacity:.6}.time-block.completed .time-block-title{text-decoration:line-through;color:var(--text-muted)}.time-block-indicator{width:4px;height:100%;min-height:40px;background:var(--quadrant-color);border-radius:var(--radius-full)}.time-block-time{min-width:100px;font-size:13px;font-weight:500;color:var(--text-secondary);font-variant-numeric:tabular-nums}.time-block-content{flex:1;min-width:0}.time-block-title{font-size:15px;font-weight:500;color:var(--text-primary);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.time-block-meta{display:flex;align-items:center;gap:var(--spacing-sm)}.time-block-quadrant{font-size:12px;color:var(--text-muted);display:flex;align-items:center;gap:4px}.time-block-actions{display:flex;align-items:center;gap:var(--spacing-xs)}.time-block-actions .btn-icon{width:32px;height:32px;font-size:16px;color:var(--text-muted)}.time-block-actions .btn-icon:hover{color:var(--text-primary)}.time-block-actions .btn-icon.completed{color:var(--success);background:#22c55e1a}.time-block-actions .btn-danger{color:var(--danger)}.time-block-actions .btn-danger:hover{background:#ef44441a}.quadrant-selector{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.quadrant-option{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary)}.quadrant-option:hover{background:var(--bg-hover);border-color:var(--border-light)}.quadrant-option.selected{border-color:var(--q-color);background:#8b5cf61a;color:var(--text-primary)}.quadrant-emoji{font-size:16px}.quadrant-label{font-size:13px;font-weight:500}.task-form{display:flex;flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);animation:fadeIn var(--transition-normal) ease}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-label{font-size:13px;font-weight:500;color:var(--text-secondary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.form-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm);margin-top:var(--spacing-sm)}input[type=time]{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md)}input[type=time]::-webkit-calendar-picker-indicator{filter:invert(1);cursor:pointer}.label-selector{display:flex;gap:var(--spacing-sm)}.label-btn{display:flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border:2px solid transparent;border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all var(--transition-fast)}.label-btn:hover{background:var(--bg-hover)}.label-btn.active{border-color:var(--label-color);background:#6366f11a;color:var(--text-primary)}.recurring-options{display:flex;gap:var(--spacing-xs);flex-wrap:wrap}.recurring-btn{padding:var(--spacing-xs) var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all var(--transition-fast)}.recurring-btn:hover{background:var(--bg-hover)}.recurring-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.weekday-selector{display:flex;gap:var(--spacing-xs)}.weekday-btn{width:36px;height:36px;border-radius:var(--radius-full);background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:all var(--transition-fast)}.weekday-btn:hover{background:var(--bg-hover)}.weekday-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.voice-input{display:flex;flex-direction:column;gap:var(--spacing-sm)}.voice-btn{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:linear-gradient(135deg,var(--accent),#7c3aed);border:none;border-radius:var(--radius-md);color:#fff;font-size:15px;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.voice-btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px #8b5cf666}.voice-btn.recording{background:linear-gradient(135deg,#ef4444,#dc2626);animation:pulse 1s infinite}.voice-btn.recording .voice-icon{animation:recording 1s infinite}.voice-icon{font-size:20px}.voice-text{font-size:14px}.voice-transcript{padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:13px;color:var(--text-secondary)}.user-auth{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md)}.user-auth.loading{justify-content:center}.loading-dot{animation:pulse 1s infinite}.user-auth.logged-in{gap:var(--spacing-md)}.user-avatar{width:32px;height:32px;border-radius:var(--radius-full);object-fit:cover}.user-info{display:flex;flex-direction:column;gap:2px}.user-name{font-size:13px;font-weight:500;color:var(--text-primary)}.sync-status{font-size:11px;color:var(--text-muted)}.login-btn{display:flex;align-items:center;gap:var(--spacing-sm)}.google-icon{width:18px;height:18px;background:#fff;color:#4285f4;border-radius:2px;font-weight:700;font-size:12px;display:flex;align-items:center;justify-content:center}.login-hint{font-size:11px;color:var(--text-muted)}.today-page{max-width:600px;margin:0 auto;padding:var(--spacing-lg);display:flex;flex-direction:column;gap:var(--spacing-lg)}.date-nav{display:flex;align-items:center;justify-content:space-between}.date-display{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs)}.date-text{font-size:20px;font-weight:600;color:var(--text-primary)}.btn-sm{padding:4px 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h3{font-size:14px;font-weight:600;color:var(--accent);margin-bottom:var(--spacing-md)}.task-items{display:flex;flex-direction:column;gap:var(--spacing-sm)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl) var(--spacing-lg);text-align:center}.empty-icon{font-size:48px;margin-bottom:var(--spacing-md)}.empty-state p{color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.empty-hint{font-size:13px;color:var(--text-muted)}.loading{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary)}.notification{position:fixed;bottom:80px;left:50%;transform:translate(-50%);padding:var(--spacing-sm) var(--spacing-lg);background:var(--accent);color:#fff;border-radius:var(--radius-full);font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);animation:fadeIn var(--transition-fast) ease;z-index:1000}.review-page{max-width:800px;margin:0 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h3{font-size:16px;font-weight:600;margin-bottom:var(--spacing-md);color:var(--text-primary)}.chart-container{max-height:250px;display:flex;justify-content:center}.no-data{text-align:center;color:var(--text-muted);padding:var(--spacing-xl)}.ai-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg)}.ai-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-md)}.ai-header h3{font-size:16px;font-weight:600}.ai-hint{color:var(--text-muted);font-size:14px;text-align:center;padding:var(--spacing-lg)}.ai-result{background:var(--bg-tertiary);border-radius:var(--radius-md);padding:var(--spacing-lg);line-height:1.8}.ai-result p{margin-bottom:var(--spacing-sm)}.ai-result p:empty{display:none}.api-key-form{display:flex;flex-direction:column;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.api-key-form p{font-size:14px;color:var(--text-secondary)}.api-key-actions{display:flex;gap:var(--spacing-sm);justify-content:flex-end}.api-key-hint{font-size:12px;color:var(--text-muted)}.api-key-hint a{color:var(--accent)}@media(max-width:600px){.overview-card{grid-template-columns:repeat(2,1fr)}.overview-value{font-size:20px}}.quadrant-page{max-width:1000px;margin:0 auto;padding:var(--spacing-lg);padding-bottom:100px}.quadrant-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:var(--spacing-xs)}.quadrant-subtitle{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:var(--spacing-lg)}.quadrant-grid{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:var(--spacing-md);min-height:60vh}.quadrant-box{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-md);display:flex;flex-direction:column;overflow:hidden}.quadrant-box.q1{border-left:4px solid var(--quadrant-important-urgent)}.quadrant-box.q2{border-left:4px solid var(--quadrant-important-not-urgent)}.quadrant-box.q3{border-left:4px solid var(--quadrant-not-important-urgent)}.quadrant-box.q4{border-left:4px solid var(--quadrant-not-important-not-urgent)}.quadrant-header{display:flex;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border-color)}.quadrant-emoji{font-size:24px}.quadrant-info{flex:1}.quadrant-info h3{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:2px}.quadrant-action{font-size:11px;color:var(--text-muted)}.quadrant-count{width:28px;height:28px;background:var(--bg-tertiary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;color:var(--text-secondary)}.quadrant-tasks{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-sm)}.quadrant-tasks .time-block{padding:var(--spacing-sm)}.quadrant-tasks .time-block-time{font-size:11px;min-width:70px}.quadrant-tasks .time-block-title{font-size:13px}.quadrant-tasks .empty-hint{text-align:center;color:var(--text-muted);font-size:13px;padding:var(--spacing-lg)}@media(max-width:600px){.quadrant-grid{grid-template-columns:1fr;grid-template-rows:auto}.quadrant-box{min-height:150px}}.settings-page{max-width:600px;margin:0 auto;padding:var(--spacing-lg);padding-bottom:100px}.settings-title{font-size:24px;font-weight:700;margin-bottom:var(--spacing-lg)}.settings-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg)}.section-title{font-size:16px;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.section-desc{font-size:13px;color:var(--text-muted);margin-bottom:var(--spacing-md)}.user-card{display:flex;align-items:center;gap:var(--spacing-md)}.user-avatar-lg{width:56px;height:56px;border-radius:var(--radius-full);object-fit:cover}.user-details{flex:1;display:flex;flex-direction:column;gap:4px}.user-name-lg{font-size:16px;font-weight:600;color:var(--text-primary)}.user-email{font-size:13px;color:var(--text-muted)}.sync-badge{font-size:12px;color:var(--success)}.login-card{text-align:center}.login-card p{color:var(--text-secondary);margin-bottom:var(--spacing-md)}.login-btn-lg{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg)}.google-icon-lg{width:24px;height:24px;background:#fff;color:#4285f4;border-radius:4px;font-weight:700;display:flex;align-items:center;justify-content:center}.api-key-setting{display:flex;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.api-key-input-wrapper{flex:1;position:relative}.api-key-input-wrapper .input{padding-right:40px}.show-key-btn{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:32px;height:32px}.api-key-help{font-size:12px;color:var(--text-muted)}.api-key-help a{color:var(--accent)}.about-info{display:flex;flex-direction:column;gap:var(--spacing-sm)}.about-row{display:flex;justify-content:space-between;font-size:14px}.about-row span:first-child{color:var(--text-secondary)}.about-row span:last-child{color:var(--text-primary)}.danger-section{border-color:#ef44444d}.danger-section .section-title{color:var(--danger)}.btn-danger{background:#ef44441a;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover{background:#ef444433}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;padding:var(--spacing-sm) 0;padding-bottom:max(var(--spacing-sm),env(safe-area-inset-bottom));background:var(--bg-secondary);border-top:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-muted)}.nav-item:hover{color:var(--text-secondary)}.nav-item.active{color:var(--accent)}.nav-item.active .nav-icon{transform:scale(1.1)}.nav-icon{font-size:22px;transition:transform var(--transition-fast)}.nav-label{font-size:11px;font-weight:500}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.main-content{flex:1;padding-bottom:70px;overflow-y:auto}.placeholder-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center;color:var(--text-secondary)}.placeholder-page h2{font-size:24px;margin-bottom:var(--spacing-md);color:var(--text-primary)}.placeholder-page p{font-size:14px;color:var(--text-muted)}