@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap";:root{--bg-base:#0f1115;--bg-surface:#1a1d24;--bg-surface-elevated:#252932;--bg-glass:#1a1d24b3;--border-glass:#ffffff14;--text-primary:#f0f2f5;--text-secondary:#9ba1ad;--text-tertiary:#6b7280;--accent-primary:#7c3aed;--accent-primary-hover:#8b5cf6;--accent-secondary:#06b6d4;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--shadow-glow:0 0 20px #7c3aed4d;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--transition-bounce:.4s cubic-bezier(.175, .885, .32, 1.275);--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"Fira Code", ui-monospace, SFMono-Regular, monospace}[data-theme=light]{--bg-base:#f8fafc;--bg-surface:#fff;--bg-surface-elevated:#f1f5f9;--bg-glass:#ffffffb3;--border-glass:#00000014;--text-primary:#0f172a;--text-secondary:#475569;--text-tertiary:#94a3b8;--shadow-glow:0 0 20px #7c3aed26}*{box-sizing:border-box;margin:0;padding:0}:root,body,.app-header,.glass-card,.glass-input,.btn-primary,.btn-secondary{transition:background-color .3s cubic-bezier(.4,0,.2,1),border-color .3s cubic-bezier(.4,0,.2,1),color .3s cubic-bezier(.4,0,.2,1)}body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;line-height:1.5;overflow-x:hidden}h1,h2,h3,h4,h5,h6{letter-spacing:-.025em;color:var(--text-primary);font-weight:600}a{color:var(--accent-primary);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-primary-hover)}button{cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit}input,textarea,select{outline:none;font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--bg-surface-elevated);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.glass-panel{background:var(--bg-glass);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-glass);box-shadow:var(--shadow-md);border-radius:var(--radius-lg)}.text-gradient{background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn-primary{background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);color:#fff;border-radius:var(--radius-md);transition:all var(--transition-normal);justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:500;display:inline-flex;box-shadow:0 4px 12px #7c3aed33}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 16px #7c3aed66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-surface-elevated);color:var(--text-primary);border-radius:var(--radius-md);border:1px solid var(--border-glass);transition:all var(--transition-normal);justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:500;display:inline-flex}.btn-secondary:hover{background:var(--bg-glass);border-color:var(--text-tertiary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn var(--transition-bounce) forwards}.glass-input,.glass-textarea,.glass-select{background:var(--bg-surface-elevated);border:1px solid var(--border-glass);border-radius:var(--radius-md);width:100%;color:var(--text-primary);transition:all var(--transition-normal);font-size:.95rem;font-family:var(--font-sans);padding:12px 16px;box-shadow:inset 0 2px 4px #0000000d}.glass-input:focus,.glass-textarea:focus,.glass-select:focus{border-color:var(--accent-primary);background:var(--bg-surface);outline:none;box-shadow:0 0 0 2px #7c3aed33,inset 0 2px 4px #0000000d}.glass-input::placeholder,.glass-textarea::placeholder,.glass-select::placeholder{color:var(--text-tertiary)}.glass-input:disabled,.glass-textarea:disabled,.glass-select:disabled{opacity:.6;cursor:not-allowed;background:var(--bg-base)}input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.app-container{width:100%;min-height:calc(100vh - 64px);display:flex}.sidebar-spacer{flex-grow:0;flex-shrink:0;transition:width .3s cubic-bezier(.4,0,.2,1)}.sidebar-rail{border-right:1px solid var(--border-glass);background:var(--bg-surface);z-index:99;-ms-overflow-style:none;scrollbar-width:none;flex-direction:column;width:90px;height:100vh;padding-top:64px;transition:width .3s cubic-bezier(.4,0,.2,1),box-shadow .3s;display:flex;position:fixed;top:0;left:0;overflow:hidden}.sidebar-rail::-webkit-scrollbar{display:none}.sidebar-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:98;background:#00000080;position:fixed;inset:0}.sidebar-mobile-open{width:290px;overflow-y:auto;box-shadow:4px 0 32px #0000004d}.sidebar-top{border-bottom:1px solid var(--border-glass);cursor:pointer;color:var(--text-secondary);white-space:nowrap;flex-shrink:0;justify-content:center;align-items:center;gap:12px;padding:20px 16px;transition:color .15s,background .15s;display:flex}.sidebar-top:hover{color:var(--accent-primary);background:var(--bg-surface-elevated)}.sidebar-logo-icon{background:var(--bg-surface-elevated);width:36px;height:36px;color:var(--accent-primary);border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.sidebar-logo-text{color:var(--text-primary);letter-spacing:-.01em;font-size:.85rem;font-weight:700}.sidebar-scroll{-ms-overflow-style:none;scrollbar-width:none;flex:1;padding:12px 12px 24px;overflow:hidden auto}.sidebar-scroll::-webkit-scrollbar{display:none}.sidebar-section-label{letter-spacing:.1em;color:var(--text-tertiary);text-transform:uppercase;white-space:nowrap;justify-content:center;align-items:center;min-height:20px;margin-bottom:8px;padding:0 4px;font-size:.7rem;font-weight:600;display:flex}.sidebar-nav-list{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.sidebar-menu-btn{border-radius:var(--radius-md);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 12px;font-size:.875rem;font-weight:500;transition:background .15s,color .15s;display:flex;position:relative}.sidebar-menu-btn--collapsed{justify-content:center;padding:12px 0}.sidebar-menu-btn--active{color:var(--accent-primary);background:#7c3aed1f}.sidebar-menu-btn--inactive{color:var(--text-secondary)}.sidebar-menu-btn--inactive:hover{background:var(--bg-surface-elevated);color:var(--text-primary)}.sidebar-menu-icon{flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;display:flex}.sidebar-menu-btn--collapsed .sidebar-menu-icon{width:100%;height:24px}.sidebar-menu-icon--active{color:var(--accent-primary)}.sidebar-menu-icon--inactive{color:var(--text-tertiary)}.sidebar-menu-btn--inactive:hover .sidebar-menu-icon--inactive{color:var(--text-primary)}.sidebar-menu-label{text-align:left;flex:1}.sidebar-chevron{color:var(--text-tertiary);flex-shrink:0;transition:transform .2s}.sidebar-chevron--open{color:var(--accent-primary);transform:rotate(180deg)}.sidebar-submenu{overflow:hidden}.sidebar-submenu-list{flex-direction:column;gap:1px;margin:0;padding:4px 0 4px 16px;list-style:none;display:flex}.sidebar-dropdown-item{border-radius:var(--radius-md);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;width:100%;padding:8px 12px;font-size:.82rem;font-weight:500;transition:background .15s,color .15s;display:flex}.sidebar-dropdown-item--active{color:var(--accent-primary);background:#7c3aed1a;font-weight:600}.sidebar-dropdown-item--inactive{color:var(--text-secondary)}.sidebar-dropdown-item--inactive:hover{background:var(--bg-surface-elevated);color:var(--text-primary)}@media (width<=900px){.sidebar-rail{width:290px;transition:transform .3s cubic-bezier(.4,0,.2,1);overflow-y:auto;transform:translate(-100%)}.sidebar-mobile-open{transform:translate(0)}}.main-content{background:var(--bg-base);flex-direction:column;flex:1;min-width:0;min-height:calc(100vh - 64px);display:flex;position:relative}.main-content:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#7c3aed0d 0%,#0000 70%);width:50vw;height:50vw;position:absolute;top:-20%;right:-10%}.top-bar{border-bottom:1px solid var(--border-glass);background:var(--bg-base);z-index:10;flex-shrink:0;justify-content:space-between;align-items:center;height:56px;padding:0 28px;display:flex}.content-wrapper{z-index:1;flex-direction:column;flex:1;gap:24px;padding:28px 32px;display:flex}.workspace{flex-direction:column;gap:24px;display:flex}.mobile-menu-btn{display:none!important}@media (width<=900px){.app-header{width:100%!important;margin-left:0!important}.sidebar-spacer{display:none!important}.sidebar{z-index:100;width:280px;height:100vh;transition:transform .3s cubic-bezier(.4,0,.2,1),box-shadow .3s;position:fixed;top:0;left:0;overflow-y:auto;transform:translate(-100%)}.sidebar.open{transform:translate(0);box-shadow:4px 0 32px #0000004d}.sidebar.open .nav-label,.sidebar.open .nav-chevron,.sidebar.open .sidebar-group-label{opacity:1;visibility:visible;width:auto}.sidebar.open .sidebar-group-items{display:grid}.sidebar-overlay{z-index:90;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;width:100vw;height:100vh;position:fixed;top:0;left:0}.mobile-menu-btn{display:flex!important}.content-wrapper{padding:16px}.regex-grid{grid-template-columns:1fr!important}}