@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--bg-primary: #0f0f23;--bg-secondary: #1a1a2e;--bg-card: rgba(255, 255, 255, .05);--bg-card-hover: rgba(255, 255, 255, .08);--text-primary: #ffffff;--text-secondary: #a0a0b8;--text-muted: #6b6b7f;--border-color: rgba(255, 255, 255, .1);--border-focus: rgba(102, 126, 234, .5);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px rgba(102, 126, 234, .3);--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out;--transition-slow: .35s ease-in-out}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 20% 30%,rgba(102,126,234,.15) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(118,75,162,.15) 0%,transparent 50%);z-index:-1;animation:backgroundPulse 15s ease-in-out infinite}@keyframes backgroundPulse{0%,to{opacity:1}50%{opacity:.7}}#root{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);transition:all var(--transition-normal)}.glass-card:hover{background:var(--bg-card-hover);box-shadow:var(--shadow-lg),var(--shadow-glow)}.btn{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-family:Inter,sans-serif;font-weight:600;font-size:.95rem;cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width var(--transition-slow),height var(--transition-slow)}.btn:hover:before{width:300px;height:300px}.btn-primary{background:var(--primary-gradient);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card);border-color:var(--border-focus)}.input-group{position:relative;margin-bottom:var(--spacing-lg)}.input-label{display:block;font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:var(--spacing-xs);text-transform:uppercase;letter-spacing:.5px}.input-field{width:100%;padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:Inter,sans-serif;font-size:1.125rem;font-weight:500;transition:all var(--transition-normal)}.input-field:focus{outline:none;border-color:var(--border-focus);box-shadow:0 0 0 4px #667eea1a;background:#1a1a2ecc}.input-field::placeholder{color:var(--text-muted)}.input-readonly{background:var(--success-gradient);border-color:transparent;color:#fff;font-weight:600;font-size:1.5rem;cursor:default;text-align:center;letter-spacing:.5px}.input-readonly:focus{border-color:transparent;box-shadow:0 0 0 4px #4facfe33;background:var(--success-gradient)}.select-field{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23a0a0b8' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-md) center;padding-right:var(--spacing-2xl)}.text-center{text-align:center}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.fade-in{animation:fadeIn var(--transition-slow) ease-out}.slide-in{animation:slideIn var(--transition-slow) ease-out}.app-container{width:100%;max-width:1400px;display:grid;grid-template-columns:1fr 400px;gap:var(--spacing-xl);animation:fadeIn .6s ease-out}.app-header{grid-column:1 / -1;text-align:center;margin-bottom:var(--spacing-lg)}.app-title{font-size:2.5rem;font-weight:700;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:var(--spacing-sm);letter-spacing:-.5px}.app-subtitle{color:var(--text-secondary);font-size:1.125rem;font-weight:400}.calculator-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.calculator-card{padding:var(--spacing-xl)}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-sm)}.card-icon{font-size:1.5rem}.currency-input-wrapper{display:flex;gap:var(--spacing-md);align-items:flex-end}.currency-input-main{flex:1}.currency-toggle{width:140px;height:48px;background:none;border:none;padding:0;cursor:pointer;transition:all var(--transition-normal)}.toggle-track{position:relative;display:flex;align-items:center;justify-content:space-between;width:100%;height:100%;background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-md);padding:4px;transition:all var(--transition-normal)}.currency-toggle:hover .toggle-track{border-color:var(--border-focus);background:#1a1a2ecc}.toggle-option{position:relative;z-index:2;flex:1;text-align:center;font-size:.875rem;font-weight:600;color:var(--text-secondary);transition:color var(--transition-normal);pointer-events:none}.toggle-slider{position:absolute;top:4px;width:calc(50% - 4px);height:calc(100% - 8px);background:var(--primary-gradient);border-radius:calc(var(--radius-md) - 4px);transition:all var(--transition-normal);box-shadow:var(--shadow-sm);z-index:1}.toggle-bgn .toggle-slider{left:4px}.toggle-eur .toggle-slider{left:50%}.toggle-bgn .toggle-option-left,.toggle-eur .toggle-option-right{color:#fff}.language-selector{position:absolute;top:var(--spacing-lg);right:var(--spacing-lg);display:flex;gap:var(--spacing-xs);background:var(--bg-card);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-xs);box-shadow:var(--shadow-md);z-index:100}.lang-btn{width:48px;height:48px;background:transparent;border:2px solid transparent;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-normal);display:flex;align-items:center;justify-content:center;position:relative}.lang-btn:hover{background:var(--bg-secondary);border-color:var(--border-color)}.lang-btn.active{background:var(--primary-gradient);border-color:transparent;box-shadow:var(--shadow-sm)}.lang-btn.active:after{content:"";position:absolute;bottom:-2px;left:50%;transform:translate(-50%);width:20px;height:3px;background:#fff;border-radius:2px}.flag-icon{font-size:.75rem;font-weight:700;line-height:1;padding:6px 8px;border-radius:4px;letter-spacing:.5px;text-shadow:0 1px 2px rgba(0,0,0,.3);display:inline-block;min-width:32px;text-align:center}.flag-gb{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 60 30'%3E%3CclipPath id='t'%3E%3Cpath d='M30,15h30v15zv15h-30zH0v-15zV0h30z'/%3E%3C/clipPath%3E%3Cpath d='M0,0v30h60v-30z' fill='%23012169'/%3E%3Cpath d='M0,0 60,30M60,0 0,30' stroke='%23fff' stroke-width='6'/%3E%3Cpath d='M0,0 60,30M60,0 0,30' clip-path='url(%23t)' stroke='%23C8102E' stroke-width='4'/%3E%3Cpath d='M30,0v30M0,15h60' stroke='%23fff' stroke-width='10'/%3E%3Cpath d='M30,0v30M0,15h60' stroke='%23C8102E' stroke-width='6'/%3E%3C/svg%3E");background-size:cover;background-position:center;color:transparent;text-shadow:none;border:1px solid rgba(255,255,255,.2)}.flag-bg{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1000' height='600' viewBox='0 0 1000 600'%3E%3Crect fill='%23D62612' y='400' width='1000' height='200'/%3E%3Crect fill='%2300966E' y='200' width='1000' height='200'/%3E%3Crect fill='%23FFF' width='1000' height='200'/%3E%3C/svg%3E");background-size:cover;background-position:center;color:transparent;text-shadow:none;border:1px solid rgba(255,255,255,.2)}.lang-btn:hover .flag-icon{transform:scale(1.05);box-shadow:0 2px 8px #0000004d}.lang-btn.active .flag-icon{box-shadow:0 0 0 2px #ffffff80}.result-content-wrapper{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.result-card{padding:var(--spacing-xl);background:var(--primary-gradient);position:relative;overflow:hidden}.result-card:before{content:"";position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:shimmer 3s linear infinite}@keyframes shimmer{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.result-content{position:relative;z-index:1}.result-label{font-size:.875rem;font-weight:500;color:#fffc;margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:1px}.result-amount{font-size:3rem;font-weight:700;color:#fff;margin-bottom:var(--spacing-xs);text-shadow:0 2px 10px rgba(0,0,0,.2)}.result-currency{font-size:1.25rem;font-weight:500;color:#ffffffe6}.history-section{display:flex;flex-direction:column;max-height:calc(100vh - 4rem)}.history-card{padding:var(--spacing-xl);display:flex;flex-direction:column;height:100%}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-lg)}.clear-btn{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem;background:transparent;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast)}.clear-btn:hover{color:var(--text-primary);border-color:var(--text-secondary);background:var(--bg-secondary)}.history-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:var(--spacing-md);padding-right:var(--spacing-xs)}.history-item{padding:var(--spacing-md);background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:all var(--transition-fast);animation:slideIn .3s ease-out}.history-item:hover{background:var(--bg-card);border-color:var(--border-focus);transform:translate(-4px)}.history-timestamp{font-size:.75rem;color:var(--text-muted);margin-bottom:var(--spacing-xs)}.history-details{display:flex;flex-direction:column;gap:var(--spacing-xs)}.history-row{display:flex;justify-content:space-between;align-items:center;font-size:.875rem}.history-row-label{color:var(--text-secondary);font-weight:500}.history-row-value{color:var(--text-primary);font-weight:600}.history-divider{height:1px;background:var(--border-color);margin:var(--spacing-xs) 0}.history-change{font-size:1rem;font-weight:700;color:#4facfe}.empty-history{text-align:center;padding:var(--spacing-2xl);color:var(--text-muted)}.empty-history-icon{font-size:3rem;margin-bottom:var(--spacing-md);opacity:.5}.empty-history-text{font-size:.95rem}.exchange-rate-info{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-md);text-align:center;border:1px solid var(--border-color)}.exchange-rate-label{font-size:.75rem;color:var(--text-muted);margin-bottom:var(--spacing-xs);text-transform:uppercase;letter-spacing:.5px}.exchange-rate-value{font-size:1rem;color:var(--text-primary);font-weight:600}@media(max-width:1024px){.app-container{grid-template-columns:1fr}.history-section{max-height:600px;min-height:400px}.history-card{min-height:400px}}@media(max-width:640px){.app-title{font-size:2rem}.app-subtitle{font-size:1rem}.calculator-card,.history-card,.result-card{padding:var(--spacing-lg)}.currency-input-wrapper{flex-direction:column;align-items:stretch}.currency-toggle{width:100%}.result-amount{font-size:2rem}.result-content-wrapper{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}.language-selector{top:var(--spacing-sm);right:var(--spacing-sm);padding:4px}.lang-btn{width:40px;height:40px}.flag-icon{font-size:.85rem;padding:10px 14px;min-width:28px}.history-section{max-height:500px;min-height:300px;margin-top:var(--spacing-lg)}.history-card{min-height:300px;max-height:500px}.history-list{overflow-y:auto;-webkit-overflow-scrolling:touch;max-height:350px}.history-item{font-size:.875rem}}