:root{--bg-color: #f8fafc;--surface-color: #ffffff;--surface-secondary: #f1f5f9;--surface-tertiary: #e2e8f0;--border-color: #e2e8f0;--border-focus: #3b82f6;--text-main: #0f172a;--text-muted: #64748b;--primary-color: #2563eb;--primary-hover: #1d4ed8;--success-color: #16a34a;--success-hover: #15803d;--danger-color: #dc2626;--danger-hover: #b91c1c;--tag-bg: #e0e7ff;--tag-text: #3730a3;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.08)}@media (prefers-color-scheme: dark){:root{--bg-color: #090d16;--surface-color: #131b2e;--surface-secondary: #1e293b;--surface-tertiary: #2e3c54;--border-color: #27354f;--border-focus: #60a5fa;--text-main: #f8fafc;--text-muted: #94a3b8;--primary-color: #3b82f6;--primary-hover: #60a5fa;--success-color: #22c55e;--success-hover: #4ade80;--danger-color: #ef4444;--danger-hover: #f87171;--tag-bg: #223055;--tag-text: #c7d2fe}}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-sans);background:var(--bg-color);color:var(--text-main);line-height:1.5;overflow:hidden;-webkit-font-smoothing:antialiased}#app{height:100vh;display:flex;flex-direction:column}.app-header{height:58px;background:var(--surface-color);border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;padding:0 18px;flex-shrink:0;z-index:10}.brand-group{display:flex;align-items:center;gap:10px}.header-back-btn{display:none;background:var(--surface-secondary);border:1px solid var(--border-color);color:var(--text-main);font-size:1.1rem;font-weight:700;width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;align-items:center;justify-content:center}.brand-title{font-size:1.15rem;font-weight:700;color:var(--primary-color);display:flex;align-items:center;gap:8px;user-select:none}.user-controls{display:flex;align-items:center;gap:12px}.user-profile{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-muted)}.avatar{width:30px;height:30px;border-radius:50%;object-fit:cover;background:var(--surface-secondary)}.app-body{flex:1;display:flex;overflow:hidden;position:relative}.sidebar{width:330px;background:var(--surface-color);border-right:1px solid var(--border-color);display:flex;flex-direction:column;flex-shrink:0;height:100%}.sidebar-tools{padding:12px;display:flex;gap:8px;border-bottom:1px solid var(--border-color)}.search-input{flex:1;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--surface-secondary);color:var(--text-main);font-size:.92rem}.search-input:focus{outline:none;border-color:var(--primary-color)}.prompt-list{flex:1;overflow-y:auto;list-style:none}.prompt-item{padding:14px;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background .12s ease}.prompt-item:hover{background:var(--surface-secondary)}.prompt-item.active{background:var(--surface-secondary);border-left:4px solid var(--primary-color)}.prompt-item-title{font-weight:600;font-size:.96rem;margin-bottom:4px;color:var(--text-main)}.prompt-item-snippet{font-size:.82rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px}.prompt-item-meta{display:flex;align-items:center;gap:6px}.marker-badge{font-size:.72rem;background:var(--tag-bg);color:var(--tag-text);padding:2px 7px;border-radius:10px;font-weight:500}.main-content{flex:1;overflow-y:auto;padding:18px 24px;display:flex;flex-direction:column;background:var(--bg-color)}.empty-state{margin:auto;text-align:center;color:var(--text-muted);max-width:380px}.empty-state h3{color:var(--text-main);margin-bottom:8px}.editor-container{display:flex;flex-direction:column;gap:16px;width:100%;max-width:1400px;margin:0 auto}.editor-header{display:flex;gap:12px;align-items:center;background:var(--surface-color);padding:12px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md)}.btn-back-mobile{display:none}.title-input{flex:1;font-size:1.25rem;font-weight:700;padding:8px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--surface-secondary);color:var(--text-main)}.title-input:focus{outline:none;border-color:var(--primary-color)}.editor-actions{display:flex;gap:8px}.mobile-tabs-bar{display:none;gap:8px;background:var(--surface-color);padding:6px;border:1px solid var(--border-color);border-radius:var(--radius-sm)}.mobile-tab-btn{flex:1;padding:8px;border:none;background:transparent;color:var(--text-muted);font-weight:600;font-size:.9rem;border-radius:4px;cursor:pointer}.mobile-tab-btn.active{background:var(--primary-color);color:#fff}.composer-two-columns{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.composer-col-left{display:flex;flex-direction:column;gap:16px}.editor-input-column{display:flex;flex-direction:column;gap:10px}.prompt-textarea{width:100%;min-height:180px;height:240px;font-family:var(--font-mono);font-size:.95rem;padding:14px;border-radius:var(--radius-md);border:1px solid var(--border-color);background:var(--surface-color);color:var(--text-main);resize:vertical;line-height:1.6}.prompt-textarea:focus{outline:none;border-color:var(--primary-color)}.markers-chip-row{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:.85rem;color:var(--text-muted)}.markers-label{font-weight:600}.no-markers{font-style:italic}.marker-chip{background:var(--tag-bg);color:var(--tag-text);padding:3px 8px;border-radius:4px;font-family:var(--font-mono);font-size:.8rem}.composer-markers-section{background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column;gap:14px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--border-color);padding-bottom:8px}.section-heading h4{font-size:1.02rem;font-weight:700}.section-subtext{font-size:.8rem;color:var(--text-muted)}.empty-markers-note{color:var(--text-muted);font-size:.88rem;line-height:1.5;padding:8px 0}.composer-col-right{display:flex;flex-direction:column}.result-sticky-card{position:sticky;top:10px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);display:flex;flex-direction:column;overflow:hidden}.result-header{padding:14px 16px;background:var(--surface-secondary);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;gap:12px}.result-title-group h4{font-size:1.05rem;font-weight:700;margin-bottom:2px}.result-meta-badge{font-size:.78rem;color:var(--text-muted)}.result-header-actions{display:flex;gap:8px;align-items:center}.btn-save-ver{font-size:.85rem;padding:7px 12px}.btn-copy{padding:8px 16px;font-size:.92rem;font-weight:700}.versions-history-bar{padding:10px 16px;background:var(--surface-color);border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;gap:6px}.versions-history-label{font-size:.78rem;font-weight:700;color:var(--text-muted)}.versions-pill-list{display:flex;flex-wrap:wrap;gap:6px;max-height:85px;overflow-y:auto}.version-pill-btn{background:var(--surface-secondary);border:1px solid var(--border-color);color:var(--text-main);padding:3px 8px;border-radius:var(--radius-sm);font-size:.78rem;font-family:var(--font-mono);cursor:pointer;transition:all .12s ease;user-select:none}.version-pill-btn:hover{background:var(--surface-tertiary)}.version-pill-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color);font-weight:600}.viewing-version-notice{background:var(--tag-bg);color:var(--tag-text);padding:8px 12px;border-radius:var(--radius-sm);font-size:.82rem;margin-bottom:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}.btn-sm{padding:4px 8px;font-size:.75rem}.result-text-wrapper{padding:16px;max-height:calc(100vh - 220px);overflow-y:auto}.result-preview-text{font-family:var(--font-mono);font-size:.95rem;line-height:1.65;white-space:pre-wrap;word-break:break-word;color:var(--text-main)}.placeholder-text{color:var(--text-muted);font-style:italic}.marker-fields-group{display:flex;flex-direction:column;gap:12px}.marker-field-card{border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:12px;background:var(--surface-secondary)}.marker-field-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.marker-field-name{font-weight:600;font-family:var(--font-mono);color:var(--primary-color);font-size:.92rem}.mode-toggle{display:flex;background:var(--surface-color);border:1px solid var(--border-color);border-radius:4px;overflow:hidden}.mode-btn{padding:4px 10px;font-size:.8rem;background:transparent;border:none;cursor:pointer;color:var(--text-muted)}.mode-btn.active{background:var(--primary-color);color:#fff;font-weight:600}.marker-input-text{width:100%;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--surface-color);color:var(--text-main);font-family:var(--font-sans);font-size:.9rem;resize:vertical;min-height:52px}.marker-select{width:100%;padding:8px 10px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--surface-color);color:var(--text-main);font-size:.9rem}.nested-marker-box{margin-top:10px;padding-left:14px;border-left:2px solid var(--primary-color)}.btn{padding:8px 14px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:all .12s ease;user-select:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-success{background:var(--success-color);color:#fff}.btn-success:hover:not(:disabled){background:var(--success-hover)}.btn-secondary{background:var(--surface-secondary);color:var(--text-main);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--surface-tertiary)}.btn-danger{background:transparent;color:var(--danger-color);border-color:var(--danger-color)}.btn-danger:hover:not(:disabled){background:var(--danger-color);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.notification-banner{background:#fef3c7;color:#92400e;padding:10px 16px;display:flex;justify-content:space-between;align-items:center;font-size:.9rem;z-index:100}.notification-banner.error{background:#fee2e2;color:#991b1b}.banner-close{background:transparent;border:none;font-weight:700;cursor:pointer;color:inherit;font-size:1.1rem}.pwa-update-bar{background:var(--primary-color);color:#fff;padding:10px 18px;display:flex;justify-content:space-between;align-items:center;font-size:.9rem;box-shadow:var(--shadow-md);z-index:100}.pwa-update-btn{background:#fff;color:var(--primary-color);border:none;font-weight:700;padding:6px 14px;border-radius:var(--radius-sm);cursor:pointer}.login-screen{margin:auto;max-width:420px;width:90%;background:var(--surface-color);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:36px 28px;text-align:center;box-shadow:var(--shadow-md)}.login-screen h2{margin-bottom:10px}.login-screen p{color:var(--text-muted);font-size:.92rem;margin-bottom:26px;line-height:1.6}.login-error{background:#fee2e2;color:#991b1b;padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:18px;font-size:.88rem}@media (max-width: 960px){.composer-two-columns{grid-template-columns:1fr}.mobile-tabs-bar{display:flex}.mobile-hidden{display:none!important}.mobile-visible{display:flex!important}.result-sticky-card{position:static}.result-text-wrapper{max-height:none}}@media (max-width: 720px){.app-header{padding:0 12px}.user-name{display:none}.btn-sync,.btn-logout{padding:6px 10px;font-size:.82rem}.app-body.screen-list .sidebar{width:100%;display:flex}.app-body.screen-list .main-content,.app-body.screen-editor .sidebar{display:none}.app-body.screen-editor .main-content{width:100%;display:flex;padding:12px}.app-body.screen-editor .header-back-btn,.btn-back-mobile{display:inline-flex}.editor-header{flex-wrap:wrap;padding:10px;gap:8px}.title-input{order:2;width:100%;flex:auto}.btn-back-mobile{order:1}.editor-actions{order:1;margin-left:auto}}