.toast-container{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:6px;background:var(--bg-elevated);border:1px solid var(--border-subtle);box-shadow:0 4px 12px #0000004d;color:var(--text-primary);font-size:13px;pointer-events:auto;cursor:pointer;animation:toast-in .2s ease-out;max-width:360px}.toast:hover{opacity:.9}@keyframes toast-in{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.toast-icon{font-size:16px;flex-shrink:0}.toast-message{flex:1}.toast-info{border-left:3px solid var(--accent)}.toast-info .toast-icon{color:var(--accent)}.toast-success{border-left:3px solid #4caf50}.toast-success .toast-icon{color:#4caf50}.toast-warning{border-left:3px solid #ff9800}.toast-warning .toast-icon{color:#ff9800}.toast-error{border-left:3px solid #f44336}.toast-error .toast-icon{color:#f44336}.confirm-overlay{position:fixed;inset:0;z-index:10000;background:#0009;display:flex;align-items:center;justify-content:center;animation:fade-in .15s ease-out}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.confirm-dialog{background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:8px;box-shadow:0 8px 32px #0006;padding:20px 24px;min-width:300px;max-width:420px;animation:dialog-in .15s ease-out}@keyframes dialog-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.confirm-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:8px}.confirm-message{font-size:13px;color:var(--text-secondary);line-height:1.5;margin-bottom:20px}.confirm-actions{display:flex;justify-content:flex-end;gap:10px}.confirm-btn{padding:8px 16px;font-size:13px;border-radius:4px;border:1px solid var(--btn-border);cursor:pointer;transition:background .15s,border-color .15s}.confirm-cancel{background:var(--bg-surface);color:var(--text-secondary)}.confirm-cancel:hover{background:var(--bg-elevated);border-color:var(--text-dimmed)}.confirm-ok{background:var(--accent);color:#fff;border-color:var(--accent)}.confirm-ok:hover{background:var(--accent-hover)}.confirm-ok.danger{background:#d32f2f;border-color:#d32f2f}.confirm-ok.danger:hover{background:#b71c1c}.navbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:56px;background:var(--bg-panel);border-bottom:1px solid var(--border-default);position:sticky;top:0;z-index:1000;flex-shrink:0}.navbar-left,.navbar-center,.navbar-right{display:flex;align-items:center;gap:8px}.navbar-left,.navbar-right{flex-shrink:0}.navbar-brand{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--accent);text-decoration:none;letter-spacing:-.5px}.navbar-brand:hover{color:var(--accent-hover)}.navbar-logo{height:56px;width:auto}.navbar-center{gap:24px}.navbar-link{font-size:14px;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s}.navbar-link:hover{color:var(--text-primary)}.navbar-right{gap:10px}.navbar-theme-toggle{width:34px;height:34px;padding:0;font-size:16px;line-height:1;color:var(--text-muted);background:transparent;border:1px solid var(--border-strong);border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s}.navbar-theme-toggle:hover{color:var(--text-primary);background:var(--bg-surface);border-color:var(--border-hover)}.navbar-btn{padding:7px 16px;font-size:13px;font-weight:600;border-radius:6px;cursor:pointer;transition:all .15s;border:1px solid transparent}.navbar-btn-secondary{color:var(--text-primary);background:transparent;border-color:var(--border-strong)}.navbar-btn-secondary:hover{background:var(--bg-surface);border-color:var(--border-hover)}.navbar-btn-primary{color:#fff;background:var(--accent);border-color:var(--accent)}.navbar-btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.navbar-user{font-size:13px;font-weight:500;color:var(--text-secondary);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:700px){.navbar-center{display:none}}.plan-selector{display:inline-flex;align-items:center;position:relative;gap:2px}.plan-nav-btn{padding:4px 8px;font-size:14px;font-weight:600;color:var(--text-secondary);background:var(--btn-bg);border:1px solid var(--btn-border);cursor:pointer;transition:all .15s ease}.plan-nav-btn:first-child{border-radius:4px 0 0 4px;border-right:none}.plan-nav-btn:last-child{border-radius:0 4px 4px 0;border-left:none}.plan-nav-btn:hover:not(:disabled){background:var(--btn-hover);color:var(--text-primary)}.plan-nav-btn:disabled{opacity:.4;cursor:not-allowed}.plan-current{display:flex;align-items:center;gap:6px;padding:4px 10px;font-size:13px;color:var(--text-primary);background:var(--btn-bg);border:1px solid var(--btn-border);cursor:pointer;transition:all .15s ease;min-width:140px}.plan-current:hover{background:var(--btn-hover)}.plan-name{font-weight:500;flex:1;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:120px}.plan-count{font-size:11px;color:var(--text-muted);white-space:nowrap}.plan-dropdown-arrow{font-size:10px;color:var(--text-muted)}.plan-name-input{flex:1;font-size:13px;font-weight:500;padding:2px 4px;border:1px solid var(--accent);border-radius:2px;background:var(--bg-surface);color:var(--text-primary);outline:none;width:100%;max-width:120px}.plan-dropdown{position:absolute;top:100%;left:0;margin-top:4px;background:var(--bg-elevated);border:1px solid var(--btn-border);border-radius:4px;box-shadow:var(--shadow);z-index:100;min-width:200px;max-height:300px;overflow-y:auto}.plan-dropdown-section{padding:6px 12px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-surface);border-bottom:1px solid var(--border-default)}.plan-dropdown-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 12px;font-size:13px;color:var(--text-primary);background:transparent;border:none;cursor:pointer;text-align:left}.plan-dropdown-item:hover{background:var(--btn-hover)}.plan-dropdown-item.active{background:var(--accent-bg);color:var(--accent);font-weight:500}.plan-dropdown-item:disabled{opacity:.5;cursor:not-allowed}.plan-drag-handle{cursor:grab;color:var(--text-muted);font-size:12px;margin-right:6px;opacity:.5;-webkit-user-select:none;user-select:none}.plan-dropdown-item:hover .plan-drag-handle{opacity:1}.plan-dropdown-item.dragging{opacity:.4}.plan-dropdown-item.drop-target{border-top:2px solid var(--accent)}.plan-item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.plan-item-index{font-size:11px;color:var(--text-muted);margin-left:8px}.plan-dropdown-divider{height:1px;background:var(--border-default);margin:4px 0}.plan-dropdown-action{color:var(--text-secondary)}.plan-dropdown-danger{color:var(--error)}.plan-dropdown-danger:hover{background:var(--error-bg)}.toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--bg-surface);border-bottom:1px solid var(--border-default);gap:16px}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:8px}.toolbar-sep{width:1px;height:20px;background:var(--border-default);margin:0 4px}.toolbar-center{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}.plan-name{font-size:14px;font-weight:500;color:var(--text-primary)}.unsaved-indicator{color:var(--warning);font-size:16px;font-weight:700}.toolbar-btn{padding:6px 12px;font-size:13px;font-weight:500;color:var(--text-primary);background:var(--btn-bg);border:1px solid var(--btn-border);border-radius:4px;cursor:pointer;transition:all .15s ease}.toolbar-btn:hover:not(:disabled){background:var(--btn-hover);border-color:var(--border-hover)}.toolbar-btn:active:not(:disabled){background:var(--btn-active)}.toolbar-btn:disabled{opacity:.5;cursor:not-allowed}.export-menu{position:relative}.export-dropdown{position:absolute;top:100%;right:0;margin-top:4px;background:var(--bg-elevated);border:1px solid var(--btn-border);border-radius:4px;box-shadow:var(--shadow);z-index:100;min-width:160px}.export-dropdown button{display:block;width:100%;padding:8px 12px;text-align:left;font-size:13px;color:var(--text-primary);background:transparent;border:none;cursor:pointer}.export-dropdown button:hover{background:var(--btn-hover)}.export-dropdown button:first-child{border-radius:4px 4px 0 0}.export-dropdown button:last-child{border-radius:0 0 4px 4px}.load-menu{position:relative}.load-dropdown{position:absolute;top:100%;left:0;margin-top:4px;background:var(--bg-elevated);border:1px solid var(--btn-border);border-radius:4px;box-shadow:var(--shadow);z-index:100;min-width:300px;max-height:400px;overflow-y:auto}.load-dropdown button{display:flex;flex-direction:column;width:100%;padding:8px 12px;text-align:left;font-size:13px;color:var(--text-primary);background:transparent;border:none;border-bottom:1px solid var(--border-default);cursor:pointer}.load-dropdown button:hover{background:var(--btn-hover)}.load-dropdown button:last-child{border-bottom:none}.load-plan-name{font-weight:500}.load-plan-meta{font-size:11px;color:var(--text-muted);margin-top:2px}.load-dropdown-msg{padding:12px;text-align:center;color:var(--text-muted);font-size:13px}.load-dropdown-error{color:var(--error)}.load-dropdown-section{padding:6px 12px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-surface);border-bottom:1px solid var(--border-default)}.save-menu{position:relative}.toolbar-btn-warn{border-color:var(--error)!important;box-shadow:0 0 0 1px var(--error)}.save-auth-prompt{position:absolute;top:100%;right:0;margin-top:4px;padding:10px 14px;background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--btn-border);border-radius:4px;font-size:13px;cursor:pointer;z-index:100;box-shadow:var(--shadow);white-space:nowrap;animation:auth-fade 3s ease-in forwards}@keyframes auth-fade{0%,70%{opacity:1}to{opacity:0}}.save-auth-prompt a{color:var(--accent);text-decoration:underline}.import-error{position:fixed;bottom:20px;left:50%;transform:translate(-50%);padding:12px 20px;background:var(--error-bg);color:#fff;border-radius:4px;font-size:13px;white-space:pre-line;max-width:400px;cursor:pointer;z-index:1000;box-shadow:var(--shadow)}.auto-sequence-menu{position:relative}.sequence-dropdown{position:absolute;top:100%;right:0;margin-top:4px;background:var(--bg-elevated);border:1px solid 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1.5rem;background:var(--accent);color:#0f172a;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}.auth-submit:hover:not(:disabled){background:var(--accent-hover)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-footer{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border-subtle);text-align:center}.auth-footer p{margin:0;color:var(--text-muted);font-size:.9rem}.auth-link-btn{background:none;border:none;padding:0;color:var(--accent);font-size:.9rem;font-weight:500;cursor:pointer;transition:color .2s}.auth-link-btn:hover{color:var(--accent-hover)}.auth-back{margin-top:1.5rem;text-align:center}.auth-back-link{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:transparent;border:none;color:var(--text-muted);font-size:.875rem;cursor:pointer;transition:color .2s}.auth-back-link:hover{color:var(--accent)}.auth-status-icon{display:flex;justify-content:center;margin-bottom:1.5rem}.auth-status-success{color:#22c55e}.auth-status-error{color:var(--error)}.auth-status-loading{color:var(--accent)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-spinner{animation:spin 1s linear infinite}.auth-success{padding:.75rem 1rem;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:6px;color:#22c55e;font-size:.875rem;text-align:center}.auth-actions{display:flex;flex-direction:column;gap:.5rem}@media(max-width:440px){.auth-card{padding:1.5rem}.auth-header h1{font-size:1.35rem}}.shared-plan-viewer{display:flex;flex-direction:column;height:100vh;background:var(--bg-default);color:var(--text-primary)}.shared-plan-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-surface);border-bottom:1px solid var(--border-default)}.shared-plan-title{display:flex;align-items:center;gap:12px}.shared-plan-title h1{margin:0;font-size:18px;font-weight:600}.shared-plan-badge{padding:3px 8px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--accent);background:var(--accent-bg);border-radius:4px}.shared-plan-actions{display:flex;gap:8px}.shared-plan-btn{padding:8px 16px;font-size:13px;font-weight:500;color:var(--text-primary);background:var(--btn-bg);border:1px solid var(--btn-border);border-radius:4px;cursor:pointer;transition:all .15s ease}.shared-plan-btn:hover{background:var(--btn-hover);border-color:var(--border-hover)}.shared-plan-content{display:flex;flex:1;min-height:0}.shared-plan-sidebar{width:480px;min-width:400px;display:flex;flex-direction:column;border-right:1px solid var(--border-default);background:var(--bg-surface);overflow:hidden}.shared-plan-canvas{flex:1;min-width:0;position:relative}.shared-plan-footer{padding:10px 20px;background:var(--bg-surface);border-top:1px solid var(--border-default);text-align:center}.shared-plan-footer p{margin:0;font-size:13px;color:var(--text-muted)}.shared-plan-footer a{color:var(--accent);text-decoration:none}.shared-plan-footer a:hover{text-decoration:underline}.shared-plan-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:var(--bg-default);color:var(--text-muted);gap:16px}.shared-plan-spinner{width:32px;height:32px;border:3px solid var(--border-default);border-top-color:var(--accent);border-radius:50%;animation:shared-spin 1s linear infinite}@keyframes shared-spin{to{transform:rotate(360deg)}}.shared-plan-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:var(--bg-default);color:var(--text-primary);text-align:center;padding:20px}.shared-plan-error h2{margin:0 0 8px;font-size:24px;font-weight:600}.shared-plan-error p{margin:0 0 24px;font-size:14px;color:var(--text-muted);max-width:400px}@media(max-width:900px){.shared-plan-content{flex-direction:column}.shared-plan-sidebar{width:100%;min-width:0;max-height:40vh;border-right:none;border-bottom:1px solid var(--border-default)}}.app{display:flex;flex-direction:column;height:100vh;background:var(--bg-app);color:var(--text-primary);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app-content{display:flex;flex:1;overflow:hidden}.panel-canvas{flex:1;display:flex;flex-direction:column;min-width:400px;padding:12px;background:var(--bg-app)}.panel-right-controls{width:520px;min-width:320px;max-width:600px;padding:12px;background:var(--bg-panel);border-left:1px solid var(--border-subtle);overflow-y:auto;resize:horizontal;direction:rtl}.panel-right-controls>*{direction:ltr}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}.page-container{flex:1;overflow-y:auto;background:var(--bg-app)}@media(max-width:900px){.app-content{flex-direction:column}.panel-canvas{min-height:300px;order:1}.panel-right-controls{width:100%;max-width:none;max-height:40vh;border-left:none;border-top:1px solid var(--border-subtle);resize:vertical;direction:ltr;order:2}}[data-theme=dark]{--bg-app: #020817;--bg-panel: #0f172a;--bg-surface: #1e293b;--bg-elevated: #334155;--bg-hover: #1e293b;--border-subtle: #1e293b;--border-default: #334155;--border-strong: #475569;--border-hover: #64748b;--text-primary: #f8fafc;--text-secondary: #e2e8f0;--text-muted: #94a3b8;--text-dimmed: #64748b;--text-label: #cbd5e1;--accent: #3b82f6;--accent-alt: #2563eb;--accent-hover: #60a5fa;--btn-bg: #1e293b;--btn-border: #334155;--btn-hover: #334155;--btn-active: #475569;--input-bg: #1e293b;--input-border: #475569;--input-focus: #3b82f6;--error: #f87171;--error-bg: #991b1b;--warning: #f59e0b;--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .1);--scrollbar-track: #0f172a;--scrollbar-thumb: #334155;--scrollbar-thumb-hover: #475569;--shadow: 0 4px 12px rgba(0, 0, 0, .4);--out-of-range-border: #ea580c;--out-of-range-bg: #431407;--clamp-flash: rgba(245, 158, 11, .3)}[data-theme=light]{--bg-app: #f8fafc;--bg-panel: #f1f5f9;--bg-surface: #ffffff;--bg-elevated: #f1f5f9;--bg-hover: #e2e8f0;--border-subtle: #e2e8f0;--border-default: #cbd5e1;--border-strong: #94a3b8;--border-hover: #64748b;--text-primary: #0f172a;--text-secondary: #334155;--text-muted: #64748b;--text-dimmed: #94a3b8;--text-label: #475569;--accent: #2563eb;--accent-alt: #1d4ed8;--accent-hover: #1d4ed8;--btn-bg: #e2e8f0;--btn-border: #cbd5e1;--btn-hover: #cbd5e1;--btn-active: #94a3b8;--input-bg: #ffffff;--input-border: #cbd5e1;--input-focus: #2563eb;--error: #dc2626;--error-bg: #ef4444;--warning: #d97706;--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .1);--scrollbar-track: #f1f5f9;--scrollbar-thumb: #cbd5e1;--scrollbar-thumb-hover: #94a3b8;--shadow: 0 4px 12px rgba(0, 0, 0, .08);--out-of-range-border: #ea580c;--out-of-range-bg: #fff7ed;--clamp-flash: rgba(245, 158, 11, .2)}:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;color:var(--text-primary);background-color:var(--bg-app);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:var(--accent);text-decoration:inherit}a:hover{color:var(--accent-hover)}body{margin:0;min-width:320px;min-height:100vh}#root{width:100%;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:var(--bg-surface);cursor:pointer;transition:border-color .25s}button:hover{border-color:var(--accent)}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}