:root{color-scheme:light;--white: oklch(100% 0 0);--black: oklch(0% 0 0);--slate-50: oklch(98.4% .003 247.858);--slate-100: oklch(96.8% .007 247.896);--slate-200: oklch(92.9% .013 255.508);--slate-300: oklch(86.9% .022 252.894);--slate-400: oklch(70.4% .04 256.788);--slate-500: oklch(55.4% .046 257.417);--slate-600: oklch(44.6% .043 257.281);--slate-700: oklch(37.2% .044 257.287);--slate-800: oklch(27.9% .041 260.031);--slate-900: oklch(20.8% .042 265.755);--slate-950: oklch(12.9% .042 264.695);--blue-50: oklch(97.7% .013 236.49);--blue-100: oklch(94.983% .02258 236.7);--blue-200: oklch(89.867% .05115 230.77);--blue-300: oklch(82.45% .10073 230.19);--blue-400: oklch(74.133% .14631 232.53);--blue-500: oklch(67.917% .15188 237.2);--blue-600: oklch(58.1% .13746 241.84);--blue-700: oklch(49.475% .11859 242.62);--blue-800: oklch(43.95% .09973 240.66);--blue-900: oklch(38.925% .08486 240.75);--blue-950: oklch(29.3% .066 243.03);--emerald-50: oklch(97.9% .021 166.113);--emerald-100: oklch(95% .052 163.051);--emerald-200: oklch(90.5% .093 164.15);--emerald-300: oklch(84.5% .143 164.978);--emerald-400: oklch(76.5% .177 163.223);--emerald-500: oklch(69.6% .17 162.48);--emerald-600: oklch(59.6% .145 163.225);--emerald-700: oklch(50.8% .118 165.612);--emerald-800: oklch(43.2% .095 166.913);--emerald-900: oklch(37.8% .077 168.94);--emerald-950: oklch(26.2% .051 172.552);--amber-50: oklch(98.7% .022 95.277);--amber-100: oklch(96.2% .059 95.617);--amber-200: oklch(92.4% .12 95.746);--amber-300: oklch(87.9% .169 91.605);--amber-400: oklch(82.8% .189 84.429);--amber-500: oklch(76.9% .188 70.08);--amber-600: oklch(66.6% .179 58.318);--amber-700: oklch(55.5% .163 48.998);--amber-800: oklch(47.3% .137 46.201);--amber-900: oklch(41.4% .112 45.904);--amber-950: oklch(27.9% .077 45.635);--red-50: oklch(97.1% .013 17.38);--red-100: oklch(93.6% .032 17.717);--red-200: oklch(88.5% .062 18.334);--red-300: oklch(80.8% .114 19.571);--red-400: oklch(70.4% .191 22.216);--red-500: oklch(63.7% .237 25.331);--red-600: oklch(57.7% .245 27.325);--red-700: oklch(50.5% .213 27.518);--red-800: oklch(44.4% .177 26.899);--red-900: oklch(39.6% .141 25.723);--red-950: oklch(25.8% .092 26.042);--color-bg-primary: var(--slate-50);--color-bg-secondary: var(--slate-100);--color-bg-tertiary: var(--slate-200);--color-bg-elevated: var(--white);--color-surface: var(--slate-100);--color-surface-hover: var(--slate-200);--color-surface-active: var(--slate-300);--color-border: var(--slate-200);--color-border-hover: var(--slate-300);--color-border-focus: var(--blue-600);--color-text-primary: var(--slate-900);--color-text-secondary: var(--slate-600);--color-text-tertiary: var(--slate-500);--color-text-inverse: var(--white);--color-accent: var(--blue-600);--color-accent-strong: var(--blue-700);--color-accent-hover: var(--blue-500);--color-accent-muted: var(--blue-100);--color-success: var(--emerald-600);--color-success-muted: var(--emerald-100);--color-warning: var(--amber-600);--color-warning-muted: var(--amber-100);--color-error: var(--red-600);--color-error-muted: var(--red-100);--font-family: "Google Sans Flex", system-ui, -apple-system, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", Consolas, monospace;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.15rem;--font-size-xl: 1.3rem;--font-size-2xl: 1.6rem;--font-size-3xl: 2.2rem;--line-height-xs: calc(1 / .75);--line-height-sm: calc(1.25 / .875);--line-height-base: 1.5 ;--line-height-lg: calc(1.75 / 1.125);--line-height-xl: calc(1.75 / 1.25);--line-height-2xl: calc(2 / 1.5);--line-height-3xl: 1.2 ;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 22px;--radius-full: 9999px;--shadow-sm: 0 6px 18px oklch(0% 0 0 / .08);--shadow-md: 0 14px 30px oklch(0% 0 0 / .12);--shadow-lg: 0 22px 50px oklch(0% 0 0 / .14);--shadow-xl: 0 36px 70px oklch(0% 0 0 / .16);--transition-fast: .15s ease;--transition-normal: .24s ease;--transition-slow: .38s ease;--z-dropdown: 100;--z-sticky: 200;--z-modal: 300;--z-tooltip: 400}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--color-bg-primary: var(--slate-950);--color-bg-secondary: var(--slate-900);--color-bg-tertiary: var(--slate-800);--color-bg-elevated: var(--slate-800);--color-surface: var(--slate-900);--color-surface-hover: var(--slate-800);--color-surface-active: var(--slate-700);--color-border: var(--slate-700);--color-border-hover: var(--slate-600);--color-border-focus: var(--blue-400);--color-text-primary: var(--slate-50);--color-text-secondary: var(--slate-100);--color-text-tertiary: var(--slate-400);--color-text-inverse: var(--slate-950);--color-accent: var(--blue-500);--color-accent-strong: var(--blue-600);--color-accent-hover: var(--blue-400);--color-accent-muted: var(--blue-950);--color-success: var(--emerald-300);--color-success-muted: var(--emerald-950);--color-warning: var(--amber-300);--color-warning-muted: var(--amber-950);--color-error: var(--red-300);--color-error-muted: var(--red-950);--shadow-sm: 0 6px 12px oklch(0% 0 0 / .25);--shadow-md: 0 14px 30px oklch(0% 0 0 / .28);--shadow-lg: 0 22px 50px oklch(0% 0 0 / .32);--shadow-xl: 0 36px 70px oklch(0% 0 0 / .4);--shadow-glow: 0 0 30px oklch(63% .2 250 / .4)}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-base);color:var(--color-text-primary);background:var(--color-bg-primary);min-height:100vh}svg-icon{display:contents}:focus{outline:none}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}::selection{background:var(--color-accent-muted);color:var(--color-text-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-border-hover)}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-semibold);line-height:var(--line-height-3xl);color:var(--color-text-primary)}h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}h4{font-size:var(--font-size-lg)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent-hover)}code,pre{font-family:var(--font-family-mono);font-size:var(--font-size-sm)}code{background:var(--color-surface);padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm)}pre{background:var(--color-bg-tertiary);padding:var(--space-4);border-radius:var(--radius-md);overflow-x:auto}input,textarea,select{font-family:inherit;font-size:var(--font-size-base);color:var(--color-text-primary);background:var(--color-bg-tertiary);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%}input:hover,textarea:hover,select:hover{border-color:var(--color-border-hover)}input:focus,textarea:focus,select:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-muted)}input::placeholder,textarea::placeholder{color:var(--color-text-tertiary)}input:disabled,textarea:disabled,select:disabled{opacity:.5;cursor:not-allowed}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--color-accent)}button{font-family:inherit;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;border:none;border-radius:var(--radius-lg);padding:var(--space-2) var(--space-4);transition:background var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}.btn-primary{background:var(--color-accent);color:var(--color-text-inverse)}.btn-primary{background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-hover) 100%);color:var(--color-text-inverse);box-shadow:none}.btn-primary:hover{transform:none;box-shadow:none;filter:brightness(1.05)}.btn-secondary{background:linear-gradient(135deg,var(--color-surface),var(--color-surface-hover));color:var(--color-text-primary);border:1px solid var(--color-border);box-shadow:none}.btn-secondary:hover{transform:none;border-color:var(--color-border-hover);background:var(--color-surface-hover)}.btn-ghost:hover{background:var(--color-surface);color:var(--color-text-primary)}.btn-danger{background:var(--color-error-muted);color:var(--color-error)}.btn-danger:hover{background:var(--color-error);color:var(--color-text-inverse)}.btn-icon{padding:var(--space-2);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text-primary)}.btn-icon:hover{background:var(--color-surface-hover)}.btn-ghost.btn-icon{background:var(--color-error-muted);color:var(--color-error)}.btn-ghost.btn-icon:hover{background:var(--color-error);color:var(--color-text-inverse)}button:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6)}.card-elevated{box-shadow:var(--shadow-lg)}.glass{background:#ffffff0d;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid oklch(100% 0 0 / .1)}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2);font-size:var(--font-size-xs);font-weight:var(--font-weight-medium);border-radius:var(--radius-full);background:var(--color-surface);color:var(--color-text-secondary)}.badge-success{background:var(--color-success-muted);color:var(--color-success)}.badge-warning{background:var(--color-warning-muted);color:var(--color-warning)}.badge-error{background:var(--color-error-muted);color:var(--color-error)}.badge-accent{background:var(--color-accent-muted);color:var(--color-accent)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.items-start{align-items:flex-start}.items-end{align-items:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.justify-end{justify-content:flex-end}.gap-1{gap:var(--space-1)}.gap-2{gap:var(--space-2)}.gap-3{gap:var(--space-3)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}.p-2{padding:var(--space-2)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.px-4{padding-inline:var(--space-4)}.py-2{padding-block:var(--space-2)}.py-4{padding-block:var(--space-4)}.m-0{margin:0}.mt-2{margin-top:var(--space-2)}.mt-4{margin-top:var(--space-4)}.mb-2{margin-bottom:var(--space-2)}.mb-4{margin-bottom:var(--space-4)}.w-full{width:100%}.h-full{height:100%}.min-h-screen{min-height:100vh}.text-sm{font-size:var(--font-size-sm)}.text-lg{font-size:var(--font-size-lg)}.text-secondary{color:var(--color-text-secondary)}.text-center{text-align:center}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[ariaTree]{font-size:var(--font-size-sm)}[ariaTreeItem]{display:flex;flex-direction:column;padding:var(--space-1) 0}[ariaTreeItem]>.tree-item-content{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}[ariaTreeItem]>.tree-item-content:hover{background:var(--color-surface-hover)}[ariaTreeItem][aria-selected=true]>.tree-item-content{background:var(--color-accent-muted);color:var(--color-accent)}[ariaTreeGroup]{padding-left:var(--space-6)}.tree-expand-icon{width:16px;height:16px;transition:transform var(--transition-fast)}[ariaTreeItem][aria-expanded=true]>.tree-item-content .tree-expand-icon{transform:rotate(90deg)}[ariaListbox]{display:flex;flex-direction:column;gap:var(--space-1);max-height:400px;overflow-y:auto}[ariaListboxOption]{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);cursor:pointer;transition:background var(--transition-fast)}[ariaListboxOption]:hover{background:var(--color-surface-hover)}[ariaListboxOption][aria-selected=true]{background:var(--color-accent-muted)}[ariaListboxOption]:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px}[ariaTabs]{display:flex;flex-direction:column}[ariaTabList]{display:flex;gap:var(--space-1);border-bottom:1px solid var(--color-border);padding-bottom:var(--space-1);margin-bottom:var(--space-4)}[ariaTab]{padding:var(--space-2) var(--space-4);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-md) var(--radius-md) 0 0;cursor:pointer;transition:all var(--transition-fast);position:relative}[ariaTab]:hover{color:var(--color-text-primary);background:var(--color-surface)}[ariaTab][aria-selected=true]{color:var(--color-accent);background:var(--color-accent-muted)}[ariaTab][aria-selected=true]:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--color-accent)}[ariaTabPanel]{animation:fadeIn var(--transition-normal)}[ariaAccordion]{display:flex;flex-direction:column;gap:var(--space-2)}[ariaAccordionItem]{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}[ariaAccordionTrigger]{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--space-4);font-size:var(--font-size-base);font-weight:var(--font-weight-medium);color:var(--color-text-primary);background:var(--color-surface);border:none;cursor:pointer;transition:background var(--transition-fast)}[ariaAccordionTrigger]:hover{background:var(--color-surface-hover)}[ariaAccordionTrigger][aria-expanded=true]{background:var(--color-surface-active)}[ariaAccordionPanel]{padding:var(--space-4);background:var(--color-bg-secondary)}[ariaToolbar]{display:flex;align-items:center;gap:var(--space-2)}[ariaAutocomplete]{position:relative}[ariaAutocompleteListbox]{position:absolute;top:100%;left:0;right:0;margin-top:var(--space-1);background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);max-height:300px;overflow-y:auto;z-index:var(--z-dropdown)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media(max-width:768px){:root{--font-size-3xl: 1.75rem;--font-size-2xl: 1.375rem}.hide-mobile{display:none!important}.grid-cols-2,.grid-cols-3{grid-template-columns:1fr}}.form-group{display:flex;flex-direction:column;gap:var(--space-2)}.form-group label{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-secondary)}.form-group .error-message{font-size:var(--font-size-xs);color:var(--color-error)}.form-group input.invalid,.form-group textarea.invalid,.form-group select.invalid{border-color:var(--color-error)}.form-group input.invalid:focus,.form-group textarea.invalid:focus,.form-group select.invalid:focus{box-shadow:0 0 0 3px var(--color-error-muted)}.split-pane{display:grid;grid-template-columns:300px 1fr;gap:var(--space-4);height:100%}.split-pane-sidebar{background:var(--color-bg-secondary);border-right:1px solid var(--color-border);overflow-y:auto}.split-pane-content{overflow-y:auto;padding:var(--space-4)}@media(max-width:900px){.split-pane{grid-template-columns:1fr}.split-pane-sidebar{border-right:none;border-bottom:1px solid var(--color-border);max-height:40vh}}.unsaved-indicator{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-1) var(--space-2);font-size:var(--font-size-xs);color:var(--color-warning);background:var(--color-warning-muted);border-radius:var(--radius-full)}.unsaved-indicator:before{content:"";width:6px;height:6px;background:var(--color-warning);border-radius:50%;animation:pulse 2s infinite}