:root{--color-primary-h: 187;--color-primary-s: 85%;--color-primary-l: 38%;--color-primary: hsl(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l));--color-primary-hover: hsl(var(--color-primary-h), var(--color-primary-s), 32%);--color-primary-glow: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), .15);--color-success-h: 152;--color-success-s: 69%;--color-success-l: 41%;--color-success: hsl(var(--color-success-h), var(--color-success-s), var(--color-success-l));--color-success-bg: hsla(var(--color-success-h), var(--color-success-s), var(--color-success-l), .12);--color-warning-h: 38;--color-warning-s: 92%;--color-warning-l: 50%;--color-warning: hsl(var(--color-warning-h), var(--color-warning-s), var(--color-warning-l));--color-warning-bg: hsla(var(--color-warning-h), var(--color-warning-s), var(--color-warning-l), .12);--color-danger-h: 354;--color-danger-s: 78%;--color-danger-l: 56%;--color-danger: hsl(var(--color-danger-h), var(--color-danger-s), var(--color-danger-l));--color-danger-bg: hsla(var(--color-danger-h), var(--color-danger-s), var(--color-danger-l), .12);--bg-app: hsl(210, 20%, 98%);--bg-surface: hsl(0, 0%, 100%);--bg-surface-elevated: hsl(210, 20%, 96%);--bg-surface-active: hsl(210, 20%, 92%);--border-color: hsl(215, 16%, 89%);--border-color-subtle: hsl(215, 16%, 93%);--text-main: hsl(222, 30%, 14%);--text-muted: hsl(215, 16%, 47%);--text-inverse: hsl(0, 0%, 100%);--overlay-backdrop: hsla(222, 47%, 11%, .55);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--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: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-glow: 0 0 20px var(--color-primary-glow);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--bp-mobile: 640px;--bp-tablet: 768px;--bp-desktop: 1024px}[data-theme=dark]{--bg-app: hsl(222, 28%, 10%);--bg-surface: hsl(222, 24%, 14%);--bg-surface-elevated: hsl(222, 24%, 18%);--bg-surface-active: hsl(222, 24%, 22%);--border-color: hsl(217, 19%, 24%);--border-color-subtle: hsl(217, 19%, 18%);--text-main: hsl(210, 20%, 96%);--text-muted: hsl(215, 14%, 65%);--text-inverse: hsl(222, 30%, 14%);--overlay-backdrop: hsla(222, 47%, 4%, .7)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-normal),color var(--transition-normal)}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:.875rem}input,select,textarea{font-family:inherit;font-size:.875rem;color:var(--text-main);background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-glow)}code,pre{font-family:var(--font-mono)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-4)}@media (min-width: 768px){.container{padding:0 var(--space-6)}}.section-padding{padding:var(--space-10) 0}@media (min-width: 768px){.section-padding{padding:var(--space-16) 0}}.hide-mobile{display:flex!important}.hide-desktop{display:none!important}@media (max-width: 767px){.hide-mobile{display:none!important}.hide-desktop{display:flex!important}input,select,textarea{font-size:16px!important}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);background-color:var(--color-primary);color:#fff;padding:var(--space-2) var(--space-4);font-weight:600;border-radius:var(--radius-md);min-height:40px;transition:background-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);text-decoration:none}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-hover);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);background-color:var(--bg-surface-elevated);color:var(--text-main);border:1px solid var(--border-color);padding:var(--space-2) var(--space-4);font-weight:500;border-radius:var(--radius-md);min-height:40px;transition:background-color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast);text-decoration:none}.btn-secondary:hover:not(:disabled){background-color:var(--bg-surface-active);border-color:var(--color-primary);transform:translateY(-1px)}.btn-primary:disabled,.btn-secondary:disabled,select:disabled,input:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--overlay-backdrop);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--space-3)}.modal-content{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:520px;width:100%;max-height:90vh;max-height:90dvh;overflow-y:auto;padding:var(--space-4);position:relative}@media (min-width: 640px){.modal-overlay{padding:var(--space-4)}.modal-content{padding:var(--space-6)}}.mobile-nav-backdrop{position:fixed;right:0;bottom:0;left:0;top:64px;background-color:var(--overlay-backdrop);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:40;animation:fadeIn .2s ease-out}.mobile-nav-drawer{position:fixed;top:64px;left:0;right:0;background-color:var(--bg-surface);border-bottom:1px solid var(--border-color);box-shadow:var(--shadow-lg);padding:var(--space-4);z-index:45;display:flex;flex-direction:column;gap:var(--space-3);animation:slideDown .25s cubic-bezier(.16,1,.3,1)}.mobile-nav-link{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3);border-radius:var(--radius-md);font-size:1rem;font-weight:500;color:var(--text-main);text-decoration:none;background-color:transparent;transition:background-color var(--transition-fast),color var(--transition-fast)}.mobile-nav-link:hover,.mobile-nav-link:active{background-color:var(--bg-surface-elevated);color:var(--color-primary)}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.tab-scroll-container{display:flex;align-items:center;gap:var(--space-2);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;max-width:100%}.tab-scroll-container::-webkit-scrollbar{display:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.tnum{font-variant-numeric:tabular-nums}.demo-frame{position:relative;max-width:1040px;margin:0 auto;background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md)}.demo-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-2);padding:var(--space-2) var(--space-4);background-color:var(--bg-surface-elevated);border-bottom:1px solid var(--border-color)}.demo-badge{font-size:.72rem;font-weight:700;padding:2px var(--space-2);border-radius:var(--radius-full);color:var(--color-primary);background-color:var(--color-primary-glow)}.demo-shell{display:grid;grid-template-columns:184px minmax(0,1fr);min-height:460px}.demo-sidebar{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-3) var(--space-2);border-right:1px solid var(--border-color);background-color:var(--bg-surface-elevated)}.demo-nav-item{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2);border-radius:var(--radius-md);color:var(--text-muted);font-size:.8rem;font-weight:600;text-align:left;white-space:nowrap}.demo-nav-item:hover:not(:disabled){background-color:var(--bg-surface-active);color:var(--text-main)}.demo-nav-item.active{background-color:var(--color-primary-glow);color:var(--color-primary)}.demo-nav-item:disabled{cursor:default;opacity:.6}.demo-main{display:grid;align-content:start;gap:var(--space-4);padding:clamp(var(--space-3),3vw,var(--space-6));min-width:0}.demo-card{background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-4)}.demo-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:var(--space-3)}.demo-progress{height:8px;border-radius:var(--radius-full);background-color:var(--border-color);overflow:hidden}.demo-progress>div{height:100%;background-color:var(--color-primary);transition:width var(--transition-normal)}.demo-pill{display:inline-block;margin:var(--space-2) 0 var(--space-1);font-size:.72rem;font-weight:700;padding:2px var(--space-2);border-radius:var(--radius-full)}.demo-pill.danger{color:var(--color-danger);background-color:var(--color-danger-bg)}.demo-pill.warning{color:var(--color-warning);background-color:var(--color-warning-bg)}.demo-pill.success{color:var(--color-success);background-color:var(--color-success-bg)}.demo-link{margin-top:var(--space-2);padding:0;font-size:.78rem;font-weight:600;color:var(--color-primary)}.demo-link:hover{text-decoration:underline}.demo-task{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3);border:1px solid var(--border-color-subtle);border-radius:var(--radius-md);background-color:var(--bg-surface-elevated)}.demo-locked{position:relative}.demo-locked-content{opacity:.45;filter:blur(2px);pointer-events:none;-webkit-user-select:none;user-select:none}.demo-locked-cta{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:var(--space-3)}.demo-cta{max-width:1040px;margin:var(--space-5) auto 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--space-3)}.demo-nav-item:focus-visible,.demo-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.copilot-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;justify-content:flex-end;background-color:var(--overlay-backdrop);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.copilot-drawer{width:min(420px,100%);height:100%;display:flex;flex-direction:column;background-color:var(--bg-surface);border-left:1px solid var(--border-color);box-shadow:var(--shadow-lg)}.copilot-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-4) var(--space-5);border-bottom:1px solid var(--border-color);background-color:var(--bg-surface-elevated)}.copilot-avatar{flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-full)}.copilot-avatar.seal{background-color:var(--color-success-bg);border:1px solid hsla(var(--color-success-h),var(--color-success-s),var(--color-success-l),.3)}.copilot-avatar.user{background-color:var(--color-primary);color:var(--text-inverse)}.copilot-tag{font-size:.65rem;font-weight:700;padding:1px 5px;border-radius:var(--radius-sm);color:var(--color-success);background-color:var(--color-success-bg)}.copilot-close{display:flex;padding:var(--space-1);color:var(--text-muted);border-radius:var(--radius-sm)}.copilot-tabs{display:flex;border-bottom:1px solid var(--border-color);background-color:var(--bg-surface-elevated)}.copilot-tab{flex:1;padding:var(--space-3) var(--space-4);font-size:.825rem;font-weight:500;color:var(--text-muted);border-bottom:2px solid transparent}.copilot-tab.active{font-weight:700;color:var(--color-primary);border-bottom-color:var(--color-primary)}.copilot-chips{display:flex;flex-wrap:wrap;gap:var(--space-1);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-color);background-color:var(--bg-app)}.copilot-chip{font-size:.725rem;padding:.2rem .55rem;text-align:left;color:var(--text-main);background-color:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-full);transition:border-color var(--transition-fast),color var(--transition-fast)}.copilot-chip:hover{border-color:var(--color-primary);color:var(--color-primary)}.copilot-messages{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-4);padding:var(--space-4)}.copilot-message{display:flex;align-items:flex-start;gap:var(--space-2)}.copilot-message.user{flex-direction:row-reverse}.copilot-bubble{max-width:85%;padding:var(--space-3) var(--space-4);font-size:.85rem;line-height:1.5;word-break:break-word;color:var(--text-main);background-color:var(--bg-surface-elevated);border:1px solid var(--border-color);border-radius:var(--radius-md);border-top-left-radius:var(--radius-sm)}.copilot-message.user .copilot-bubble{color:var(--text-inverse);background-color:var(--color-primary);border:none;border-top-left-radius:var(--radius-md);border-top-right-radius:var(--radius-sm)}.copilot-input{padding:var(--space-3) var(--space-4);border-top:1px solid var(--border-color);background-color:var(--bg-surface-elevated)}.copilot-chip:focus-visible,.copilot-tab:focus-visible,.copilot-close:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (max-width: 720px){.demo-shell{grid-template-columns:minmax(0,1fr)}.demo-sidebar{flex-direction:row;overflow-x:auto;border-right:none;border-bottom:1px solid var(--border-color);scrollbar-width:none}.demo-task{flex-direction:column;align-items:stretch}}@media (max-width: 640px){.cta-bar,.demo-cta{flex-direction:column;text-align:center}}