:root{--color-bg: #030712;--color-surface: #111827;--color-surface-hover: #1f2937;--color-accent: #3b82f6;--color-accent-dim: rgba(59, 130, 246, .15);--color-accent-glow: rgba(59, 130, 246, .5);--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-tertiary: #64748b;--font-sans: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Menlo", monospace;--sidebar-width: 260px;--header-height: 64px;--radius-lg: 16px;--radius-md: 10px;--radius-sm: 6px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5)}.dark{color-scheme:dark}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;background-color:var(--color-bg);color:var(--text-primary);font-family:var(--font-sans);-webkit-font-smoothing:antialiased}#root{height:100%;display:flex;flex-direction:column}.bg-glow{position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 15% 50%,rgba(59,130,246,.08),transparent 25%),radial-gradient(circle at 85% 30%,rgba(139,92,246,.08),transparent 25%);filter:blur(40px)}.bg-glow:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(to right,transparent,rgba(255,255,255,.05),transparent)}.text-xs{font-size:.75rem;line-height:1rem}.text-sm{font-size:.875rem;line-height:1.25rem}.font-bold{font-weight:700}.font-mono{font-family:var(--font-mono)}.uppercase{text-transform:uppercase}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.w-full{width:100%}.h-full{height:100%}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.p-2{padding:.5rem}.p-3{padding:.75rem}.p-4{padding:1rem}.p-6{padding:1.5rem}.gap-1{gap:.25rem}.gap-8{gap:2rem}.border-x{border-left:1px solid var(--color-border);border-right:1px solid var(--color-border)}.border-t{border-top:1px solid var(--color-border)}.border-b{border-bottom:1px solid var(--color-border)}.rounded-t-xl{border-top-left-radius:var(--radius-lg);border-top-right-radius:var(--radius-lg)}.rounded-b-xl{border-bottom-left-radius:var(--radius-lg);border-bottom-right-radius:var(--radius-lg)}.rounded-xl{border-radius:var(--radius-lg)}.overflow-hidden{overflow:hidden}.shadow-sm{box-shadow:var(--shadow-sm)}.relative{position:relative}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px;border:none}::-webkit-scrollbar-thumb:hover{background:#fff3}::-webkit-scrollbar-corner{background:transparent}.glass{background:#111827b3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--color-border)}.glass-panel{background:#1e293b66;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.08);box-shadow:0 4px 6px -1px #0003,0 2px 4px -1px #0000001a;transition:border-color var(--transition-normal)}.glass-panel:hover{border-color:#ffffff26}.text-gradient{background:linear-gradient(to right,#60a5fa,#c084fc);-webkit-background-clip:text;background-clip:text;color:transparent}.app-container{display:flex;height:100vh;overflow:hidden;position:relative}.sidebar{width:var(--sidebar-width);background:#0f172ad9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--color-border);display:flex;flex-direction:column;z-index:50;transition:transform .3s ease}.sidebar-header{height:var(--header-height);display:flex;align-items:center;padding:0 1.5rem;border-bottom:1px solid var(--color-border)}.sidebar-nav{flex:1;overflow-y:auto;padding:1.5rem}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-track{background:transparent}.sidebar-nav::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px;border:none}.sidebar-nav::-webkit-scrollbar-thumb:hover{background:#fff3}.nav-category{margin-bottom:1.5rem}.nav-category ul{list-style:none;padding-left:.75rem;margin-top:.25rem;border-left:1px solid rgba(255,255,255,.05)}.nav-label{font-size:.75rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem;display:flex;align-items:center;gap:.5rem}.nav-link{display:block;padding:.5rem .75rem;font-size:.875rem;color:var(--text-secondary);border-radius:var(--radius-md);transition:all .2s;margin-bottom:.125rem;text-decoration:none}.nav-link:hover{background:#ffffff08;color:var(--text-primary);transform:translate(2px)}.nav-link.active{background:var(--color-accent-dim);color:var(--color-accent);border:1px solid rgba(56,189,248,.1);font-weight:500}.sidebar-footer{padding:1rem;border-top:1px solid var(--color-border)}.main-wrapper{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}.mobile-header{display:none;height:var(--header-height);align-items:center;padding:0 1rem;border-bottom:1px solid var(--color-border);background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.content-area{flex:1;overflow-y:auto;padding:2rem}.content-container{max-width:1200px;margin:0 auto;padding-bottom:4rem}@media(max-width:768px){.sidebar{position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-header{display:flex}.content-area{padding:1rem}}.tool-shell{animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tool-header{margin-bottom:2rem;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:1rem}.tool-title{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.tool-desc{font-size:.875rem;color:var(--text-secondary)}.badge{display:inline-flex;font-size:.625rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:.125rem .5rem;border-radius:var(--radius-sm);background:var(--color-accent-dim);color:var(--color-accent);border:1px solid rgba(56,189,248,.2);margin-left:.5rem}.tool-panel{padding:1.5rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);display:flex;flex-direction:column;box-shadow:var(--shadow-sm)}.tool-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:.75rem;display:flex;justify-content:space-between}.tool-label.output{color:#34d399}.tool-label.error{color:#f87171}.tool-input{width:100%;background:#0b0f19;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:1rem;font-family:var(--font-mono);font-size:.875rem;color:var(--text-primary);outline:none;transition:all var(--transition-fast);box-shadow:inset 0 2px 4px #0000004d}.tool-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 2px var(--color-accent-dim),inset 0 2px 4px #0000004d}.tool-input::placeholder{color:var(--text-tertiary);opacity:.7}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;transition:all .2s;cursor:pointer;line-height:1}.btn-primary{background:var(--color-accent);color:#fff;font-weight:600;box-shadow:0 4px 6px -1px #3b82f64d}.btn-primary:hover{background:#2563eb;transform:translateY(-1px)}.btn-ghost{background:#ffffff08;border:1px solid var(--color-border);color:var(--text-secondary)}.btn-ghost:hover{background:#ffffff14;color:var(--text-primary);border-color:#fff3}.btn-icon{padding:.6rem;border-radius:50%;border:1px solid var(--color-border);color:var(--text-secondary);background:var(--color-surface);display:flex}.btn-icon:hover{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-dim)}.flex.gap-2>button{margin-right:.25rem}.flex.gap-2{gap:.75rem!important}.tool-grid{display:grid;gap:1.5rem;width:100%}@media(min-width:768px){.tool-grid-2{grid-template-columns:1fr 1fr}.tool-grid-swapper{grid-template-columns:1fr auto 1fr;align-items:stretch}}