@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg-primary:#050508;--color-bg-secondary:#0a0a10;--color-bg-tertiary:#101016;--color-surface:#ffffff05;--color-surface-hover:#ffffff0a;--color-surface-active:#ffffff0f;--glass-bg:#14141e66;--glass-border:#ffffff08;--glass-shadow:0 10px 40px #00000080;--glass-blur:blur(24px);--gradient-primary:linear-gradient(135deg, #7c3aed, #06b6d4);--gradient-accent:linear-gradient(135deg, #8b5cf6, #22d3ee);--gradient-subtle:linear-gradient(135deg, #7c3aed14, #06b6d414);--color-text-primary:#f8f8f8;--color-text-secondary:#a0a0b8;--color-text-tertiary:#6b6b85;--color-text-accent:#a78bfa;--color-accent:#8b5cf6;--color-cyan:#22d3ee;--border-color:#ffffff0d;--border-radius-sm:8px;--border-radius-md:12px;--border-radius-lg:16px;--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--shadow-sm:0 2px 8px #0006;--shadow-glow:0 0 20px #8b5cf626;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.75rem;--font-size-sm:.875rem;--font-size-base:1rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--transition-fast:.15s ease;--transition-base:.25s ease;--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--sidebar-width:160px;--header-height:64px;--max-content-width:900px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);background-color:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 15% 15%,#7c3aed08 0%,#0000 60%),radial-gradient(at 85% 85%,#06b6d405 0%,#0000 60%),radial-gradient(at 50% -20%,#8b5cf60d 0%,#0000 50%);width:100%;height:100%;position:fixed;top:0;left:0}#root{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.app-layout{grid-template-columns:var(--sidebar-width) 1fr var(--sidebar-width);grid-template-rows:auto 1fr auto;min-height:100vh;display:grid}.app-header{height:var(--header-height);padding:0 var(--space-xl);background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border-bottom:1px solid var(--glass-border);z-index:100;grid-column:1/-1;justify-content:center;align-items:center;display:flex;position:sticky;top:0}.header-content{align-items:center;gap:var(--space-md);display:flex}.header-title{font-size:var(--font-size-xl);background:var(--gradient-accent);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:700}.header-subtitle{font-size:var(--font-size-sm);color:var(--color-text-tertiary)}.sidebar{padding:var(--space-lg);justify-content:center;align-items:flex-start;display:flex}.sidebar-ad-placeholder{border-radius:var(--border-radius-md);width:100%;min-height:300px;color:var(--color-text-tertiary);font-size:var(--font-size-xs);opacity:.3;margin-top:var(--space-xl);border:1px dashed #ffffff0f;justify-content:center;align-items:center;display:flex}.main-content{padding:var(--space-2xl) var(--space-xl);max-width:var(--max-content-width);gap:var(--space-xl);flex-direction:column;width:100%;margin:0 auto;display:flex}.app-footer{padding:var(--space-lg) var(--space-xl);text-align:center;color:var(--color-text-tertiary);font-size:var(--font-size-xs);border-top:1px solid var(--border-color);background:var(--glass-bg);grid-column:1/-1}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--border-radius-lg);padding:var(--space-xl);transition:border-color var(--transition-base);box-shadow:0 10px 40px #00000080}.glass-card:hover{border-color:#8b5cf633}.btn{justify-content:center;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);border-radius:var(--border-radius-md);font-family:var(--font-family);font-size:var(--font-size-base);cursor:pointer;transition:all var(--transition-base);border:none;font-weight:600;display:inline-flex}.btn:active{transform:scale(.98)}.btn-secondary{background:var(--color-surface);color:var(--color-text-primary);border:1px solid var(--glass-border)}.btn-secondary:hover{background:var(--color-surface-hover);border-color:var(--color-accent)}.form-input{width:100%;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);color:var(--color-text-primary);font-family:var(--font-family);font-size:var(--font-size-base);transition:all var(--transition-fast);outline:none}.form-input::placeholder{color:var(--color-text-tertiary)}.form-input:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #8b5cf633}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.category-tabs{flex-wrap:wrap;gap:6px;display:flex}.category-tab{padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-md);color:var(--color-text-secondary);font-family:var(--font-family);font-size:var(--font-size-xs);cursor:pointer;transition:all var(--transition-fast);flex-direction:column;flex:1;align-items:center;gap:4px;min-width:70px;font-weight:600;display:flex}.category-tab:hover{background:var(--color-surface-hover);border-color:var(--color-accent);color:var(--color-text-primary)}.category-tab.active{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-glow);border-color:#0000}.category-tab-icon{font-size:1.2rem}.category-tab-label{white-space:nowrap}.converter-input-row{gap:var(--space-sm);margin-bottom:var(--space-lg);display:flex}.converter-value-input{flex:2;font-weight:700;font-size:var(--font-size-xl)!important;padding:var(--space-md)!important}.converter-unit-select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b8' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;flex:1;padding-right:32px!important}.convert-results{flex-direction:column;gap:6px;display:flex}.convert-result-item{padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--border-color);border-radius:var(--border-radius-sm);cursor:pointer;transition:all var(--transition-fast);justify-content:space-between;align-items:center;display:flex}.convert-result-item:hover{background:var(--color-surface-hover);border-color:var(--color-accent)}.convert-result-item.source{background:var(--gradient-subtle);border-color:#8b5cf64d}.convert-result-label{align-items:center;gap:var(--space-sm);display:flex}.convert-result-name{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500}.convert-result-symbol{font-size:var(--font-size-xs);color:var(--color-text-accent);background:#8b5cf61a;border-radius:4px;padding:2px 6px;font-weight:700}.convert-result-value{font-size:var(--font-size-base);color:var(--color-text-primary);font-family:Inter,monospace;font-weight:700}@media (width<=1024px){.app-layout{grid-template-columns:1fr}.sidebar{display:none}.main-content{padding:var(--space-lg) var(--space-md)}.app-footer,.app-header{grid-column:1}}@media (width<=640px){:root{--header-height:56px}.header-subtitle{display:none}.converter-input-row{flex-direction:column}.category-tab{min-width:50px;padding:6px 8px}}