:root{--font-sans: "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;--text-3xs: 8px;--text-2xs: 9px;--text-xs: 10px;--text-sm: 11px;--text-sm-plus: 12px;--text-base: 13px;--text-md: 14px;--text-md-lg: 16px;--text-lg: 18px;--text-xl: 20px;--text-2xl: 32px;--weight-normal: 400;--weight-medium: 500;--weight-semibold: 600;--weight-bold: 700;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px;--radius-xl: 12px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--header-height: 48px;--sidebar-rail-width: 44px;--sidebar-width: 300px;--panel-width: 320px;--color-success: #3a9a6b;--color-warning: #c4913e;--color-error: #c44040;--color-pro: #7c5cbf}:root,[data-theme=dark]{--color-canvas: #111113;--color-bg: #161618;--color-surface: #1c1c1f;--color-surface-raised: #222225;--color-surface-overlay: rgba(28, 28, 31, .94);--color-surface-glass: rgba(28, 28, 31, .75);--color-text-primary: #e8e8e6;--color-text-secondary: #9b9b97;--color-text-muted: #6b6b68;--color-text-dim: #4a4a48;--color-accent: #5b8dd9;--color-accent-hover: #6d9ce3;--color-accent-subtle: rgba(91, 141, 217, .12);--color-accent-glow: rgba(91, 141, 217, .2);--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--color-border-active: rgba(91, 141, 217, .35);--color-interactive-bg: rgba(255, 255, 255, .04);--color-interactive-hover: rgba(255, 255, 255, .07);--color-interactive-active: rgba(255, 255, 255, .1);--color-btn-primary-bg: #5b8dd9;--color-btn-primary-text: #ffffff;--color-btn-secondary: #2a2a2d;--color-btn-secondary-hover: #333336;--shadow-sm: 0 1px 4px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow: 0 0 16px rgba(91, 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var(--space-6);margin-top:var(--space-10)}.welcome-onboarding-title{font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-4)}.welcome-steps{display:flex;flex-direction:column;gap:var(--space-4)}.welcome-step{display:flex;gap:var(--space-3);align-items:flex-start}.welcome-step-number{width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0;background:var(--color-accent-subtle);border-radius:50%;font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--color-accent)}.welcome-step strong{display:block;font-size:var(--text-base);font-weight:var(--weight-medium);color:var(--color-text-primary);margin-bottom:2px}.welcome-step p{font-size:var(--text-sm);color:var(--color-text-secondary);margin:0;line-height:1.5}.welcome-try-sample{margin-top:var(--space-6);padding:var(--space-2) var(--space-4);background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-accent);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast)}.welcome-try-sample:hover{background:var(--color-accent-subtle);border-color:var(--color-accent)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-canvas)}.login-card{text-align:center;padding:var(--space-12) var(--space-10);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);max-width:380px;width:100%}.login-title{font-size:var(--text-2xl);font-weight:var(--weight-bold);color:var(--color-accent);margin-bottom:var(--space-2);letter-spacing:-.02em}.login-subtitle{font-size:var(--text-md);color:var(--color-text-secondary);margin-bottom:var(--space-8)}.login-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:10px var(--space-4);border:1px solid var(--color-border-hover);border-radius:var(--radius-md);background:var(--color-btn-secondary);color:var(--color-text-primary);font-size:var(--text-md);cursor:pointer;font-family:var(--font-sans);transition:background var(--transition-fast),box-shadow var(--transition-fast)}.login-btn:hover:not(:disabled){background:var(--color-btn-secondary-hover);box-shadow:var(--shadow-glow)}.login-btn:disabled{opacity:.5;cursor:not-allowed}.login-error{margin-top:var(--space-4);font-size:var(--text-base);color:var(--color-error)}.billing-panel{padding:var(--space-3) var(--space-4)}.billing-plan-badge{font-size:var(--text-sm-plus);font-weight:var(--weight-semibold);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-2)}.billing-quota-label{font-size:var(--text-sm);color:var(--color-text-secondary);margin-bottom:var(--space-1)}.billing-quota-bar{height:6px;background:#7878b426;border-radius:3px;overflow:hidden}.billing-quota-fill{height:100%;border-radius:3px;transition:width .3s,background-color .3s}.billing-warn{font-size:var(--text-xs);color:var(--color-warning);margin-top:var(--space-1)}.billing-blocked{font-size:var(--text-xs);color:var(--color-error);margin-top:var(--space-1)}.billing-upgrade-btn,.billing-manage-btn{margin-top:var(--space-2);width:100%;padding:6px var(--space-3);border:none;border-radius:var(--radius-sm);font-size:var(--text-sm-plus);cursor:pointer;font-family:var(--font-sans);transition:background var(--transition-fast),box-shadow var(--transition-fast)}.billing-upgrade-btn{background:var(--color-accent);color:#fff}.billing-upgrade-btn:hover{opacity:.85;box-shadow:var(--shadow-glow)}.billing-manage-btn{background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border)}.billing-manage-btn:hover{background:var(--color-interactive-hover)}.settings-page{max-width:100%;margin:0 auto;padding:var(--space-6) var(--space-4);overflow-y:auto;height:100%;display:flex;flex-direction:column;align-items:center}.settings-page-inner{width:520px;max-width:100%;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-6) var(--space-6)}.settings-back-btn{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-2);background:transparent;border:none;border-radius:var(--radius-sm);color:var(--color-text-secondary);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;transition:color var(--transition-fast);margin-bottom:var(--space-4)}.settings-back-btn:hover{color:var(--color-text-primary)}.settings-page-title{font-size:var(--text-xl);font-weight:var(--weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-6)}.settings-section{margin-bottom:var(--space-6);padding-bottom:var(--space-6);border-bottom:1px solid var(--color-border)}.settings-section:last-child{border-bottom:none}.settings-section h3{font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-4)}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-2) 0;min-height:36px}.settings-label{font-size:var(--text-sm);color:var(--color-text-secondary);flex-shrink:0}.settings-value{font-size:var(--text-sm);color:var(--color-text-primary);text-align:right}.settings-usage{display:flex;flex-direction:column;align-items:flex-end;gap:var(--space-1)}.settings-quota-bar{width:160px;height:6px;background:var(--color-interactive-bg);border-radius:3px;overflow:hidden}.settings-quota-fill{height:100%;border-radius:3px;transition:width var(--transition-normal)}.custom-select{position:relative;min-width:160px}.custom-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);width:100%;padding:var(--space-1) var(--space-3);background:var(--color-interactive-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;transition:border-color var(--transition-fast)}.custom-select-trigger:hover{border-color:var(--color-border-hover)}.custom-select-dropdown{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--color-surface-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2) 0;z-index:50;box-shadow:var(--shadow-lg);animation:dropdown-in .15s ease}.custom-select-option{display:block;width:100%;padding:var(--space-2) var(--space-4);background:transparent;border:none;color:var(--color-text-primary);font-size:var(--text-sm);font-family:var(--font-sans);text-align:left;cursor:pointer;transition:background var(--transition-fast)}.custom-select-option:hover{background:var(--color-interactive-hover)}.custom-select-option.selected{color:var(--color-accent);font-weight:var(--weight-medium)}.settings-actions{margin-top:var(--space-3)}.settings-btn{padding:var(--space-2) var(--space-4);background:var(--color-interactive-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;transition:background var(--transition-fast)}.settings-btn:hover:not(:disabled){background:var(--color-interactive-hover)}.settings-btn:disabled{opacity:.5;cursor:not-allowed}.settings-btn-primary{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-bg)}.settings-btn-primary:hover:not(:disabled){opacity:.85}.settings-danger h3{color:var(--color-error)}.settings-warning-text{font-size:var(--text-sm);color:var(--color-text-muted);margin-bottom:var(--space-3);line-height:1.5}.settings-btn-danger{background:transparent;border-color:var(--color-error);color:var(--color-error)}.settings-btn-danger:hover:not(:disabled){background:var(--color-error);color:#fff}.settings-delete-confirm{padding:var(--space-3);border:1px solid var(--color-error);border-radius:var(--radius-md);background:color-mix(in srgb,var(--color-error) 5%,transparent);overflow:hidden}.settings-delete-confirm-text{font-size:var(--text-sm);color:var(--color-text-primary);margin-bottom:var(--space-1);font-weight:500}.settings-delete-details{font-size:var(--text-sm);color:var(--color-text-secondary);margin:0 0 var(--space-2) var(--space-4);padding:0;line-height:1.7}.settings-delete-google-note{font-size:var(--text-xs);color:var(--color-text-muted);margin-bottom:var(--space-3);line-height:1.5}.settings-delete-google-note a{color:var(--color-accent);text-decoration:underline}.settings-delete-confirm-actions{display:flex;gap:var(--space-2)}.settings-legal-links{border-bottom:none!important;margin-bottom:0;padding-bottom:var(--space-2)}.settings-legal-row{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-1)}.settings-legal-link{background:none;border:none;color:var(--color-text-muted);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;padding:0;transition:color var(--transition-fast)}.settings-legal-link:hover{color:var(--color-accent)}.settings-legal-sep{color:var(--color-text-dim);font-size:var(--text-sm)}.login-footer{position:absolute;bottom:var(--space-6);display:flex;align-items:center;gap:var(--space-2)}.login-footer-link{background:none;border:none;color:var(--color-text-muted);font-size:var(--text-sm);font-family:var(--font-sans);cursor:pointer;padding:0;transition:color var(--transition-fast)}.login-footer-link:hover{color:var(--color-text-secondary)}.login-footer-sep{color:var(--color-text-dim);font-size:var(--text-sm)}.legal-page-standalone{min-height:100vh;background:var(--color-canvas)}.legal-page{max-width:100%;margin:0 auto;padding:var(--space-6) var(--space-4);overflow-y:auto;height:100%;display:flex;flex-direction:column;align-items:center}.legal-page-inner{width:680px;max-width:100%;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:var(--space-6)}.legal-nav{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-bottom:var(--space-6);padding-bottom:var(--space-4);border-bottom:1px solid var(--color-border)}.legal-nav-item{font-size:var(--text-sm);font-family:var(--font-sans);color:var(--color-text-muted);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);background:none;border:none;cursor:pointer;transition:color var(--transition-fast)}.legal-nav-item:hover:not(:disabled){color:var(--color-text-secondary)}.legal-nav-item.active{color:var(--color-accent);background:var(--color-accent-subtle);cursor:default}.legal-content h2{font-size:var(--text-xl);font-weight:var(--weight-semibold);color:var(--color-text-primary);margin-bottom:var(--space-2)}.legal-content h3{font-size:var(--text-md-lg);font-weight:var(--weight-semibold);color:var(--color-text-primary);margin-top:var(--space-6);margin-bottom:var(--space-3)}.legal-content h4{font-size:var(--text-md);font-weight:var(--weight-medium);color:var(--color-text-primary);margin-top:var(--space-4);margin-bottom:var(--space-2)}.legal-content p{font-size:var(--text-md);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--space-3)}.legal-content ul,.legal-content ol{font-size:var(--text-md);color:var(--color-text-secondary);line-height:1.7;margin-bottom:var(--space-3);padding-left:var(--space-6)}.legal-content li{margin-bottom:var(--space-1)}.legal-content a{color:var(--color-accent);text-decoration:underline}.legal-content a:hover{color:var(--color-accent-hover)}.legal-updated{font-size:var(--text-sm)!important;color:var(--color-text-muted)!important;margin-bottom:var(--space-6)!important}.legal-note{font-size:var(--text-sm)!important;color:var(--color-text-muted)!important;font-style:italic}.legal-table{width:100%;border-collapse:collapse;margin-bottom:var(--space-4);font-size:var(--text-md)}.legal-table th,.legal-table td{padding:var(--space-3);border:1px solid var(--color-border);text-align:left;vertical-align:top;line-height:1.6}.legal-table th{width:30%;color:var(--color-text-secondary);font-weight:var(--weight-medium);background:var(--color-interactive-bg);white-space:nowrap}.legal-table td{color:var(--color-text-secondary)}.legal-table a{color:var(--color-accent);text-decoration:underline}.error-boundary{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--color-canvas);padding:var(--space-4)}.error-boundary-card{text-align:center;padding:var(--space-10);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:var(--glass-border);border-radius:var(--radius-xl);max-width:440px;width:100%}.error-boundary-title{font-size:var(--text-2xl);font-weight:var(--weight-bold);color:var(--color-accent);margin-bottom:var(--space-4)}.error-boundary-message{font-size:var(--text-md);color:var(--color-text-secondary);line-height:1.6;margin-bottom:var(--space-6)}.error-boundary-detail{font-size:var(--text-sm);font-family:var(--font-mono);color:var(--color-error);background:var(--color-interactive-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-3);margin-bottom:var(--space-6);text-align:left;overflow-x:auto;white-space:pre-wrap;word-break:break-word}.error-boundary-actions{display:flex;gap:var(--space-3);justify-content:center}.error-boundary-btn{padding:var(--space-2) var(--space-5);border:1px solid var(--color-border-hover);border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:var(--text-md);font-family:var(--font-sans);cursor:pointer;transition:opacity var(--transition-fast)}.error-boundary-btn:hover{opacity:.85}.error-boundary-btn-secondary{background:var(--color-btn-secondary);color:var(--color-text-primary)}.error-boundary-btn-secondary:hover{background:var(--color-btn-secondary-hover);opacity:1}.toast-container{position:fixed;bottom:var(--space-6);right:var(--space-6);display:flex;flex-direction:column-reverse;gap:var(--space-2);z-index:9999;pointer-events:none}.toast-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:var(--font-sans);color:var(--color-text-primary);background:var(--color-surface-raised);border:1px solid var(--color-border);box-shadow:var(--shadow-md);pointer-events:auto;cursor:pointer;animation:toast-in .25s ease;max-width:360px}.toast-item:hover{opacity:.8}.toast-icon{flex-shrink:0;font-size:var(--text-md)}.toast-message{line-height:1.4}.toast-error .toast-icon{color:var(--color-error)}.toast-success .toast-icon{color:var(--color-success)}.toast-info .toast-icon{color:var(--color-accent)}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}