:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--glass-opacity: .8;--backdrop-blur-intensity: 25px;--border-glass-opacity: .2;--bg-glass-opacity: .8;--shadow-intensity: .6;--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-secondary: #64748b;--color-success: #059669;--color-warning: #d97706;--color-error: #dc2626;--color-info: #0284c7;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-glass: rgba(255, 255, 255, calc(var(--bg-glass-opacity) * .9));--bg-glass-hover: rgba(255, 255, 255, calc(var(--bg-glass-opacity) * .7));--bg-overlay: rgba(0, 0, 0, .1);--text-primary: #0f172a;--text-secondary: #334155;--text-tertiary: #64748b;--text-muted: #94a3b8;--text-inverse: #ffffff;--border-color: #e2e8f0;--border-color-hover: #cbd5e1;--border-glass: rgba(148, 163, 184, var(--border-glass-opacity));--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, calc(.05 * var(--shadow-intensity)));--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity))), 0 2px 4px -1px rgba(0, 0, 0, calc(.06 * var(--shadow-intensity)));--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity))), 0 4px 6px -2px rgba(0, 0, 0, calc(.05 * var(--shadow-intensity)));--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity))), 0 10px 10px -5px rgba(0, 0, 0, calc(.04 * var(--shadow-intensity)));--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, calc(.15 * var(--shadow-intensity)));--backdrop-blur: blur(var(--backdrop-blur-intensity));--backdrop-blur-light: blur(calc(var(--backdrop-blur-intensity) * .5));--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--transition-fast: .15s ease-in-out;--transition-medium: .3s ease-in-out;--transition-slow: .5s ease-in-out}[data-theme=dark]{--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-primary-light: #1e3a8a;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #f87171;--color-info: #38bdf8;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-glass: rgba(15, 23, 42, calc(var(--bg-glass-opacity) * .8));--bg-glass-hover: rgba(30, 41, 59, calc(var(--bg-glass-opacity) * .7));--bg-overlay: rgba(255, 255, 255, .1);--text-primary: #f8fafc;--text-secondary: #e2e8f0;--text-tertiary: #cbd5e1;--text-muted: #94a3b8;--text-inverse: #0f172a;--border-color: #475569;--border-color-hover: #64748b;--border-glass: rgba(148, 163, 184, var(--border-glass-opacity));--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, calc(.3 * var(--shadow-intensity)));--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, calc(.4 * var(--shadow-intensity))), 0 2px 4px -1px rgba(0, 0, 0, calc(.2 * var(--shadow-intensity)));--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, calc(.5 * var(--shadow-intensity))), 0 4px 6px -2px rgba(0, 0, 0, calc(.3 * var(--shadow-intensity)));--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, calc(.6 * var(--shadow-intensity))), 0 10px 10px -5px rgba(0, 0, 0, calc(.4 * var(--shadow-intensity)));--shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, calc(.3 * var(--shadow-intensity)))}:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;--glass-opacity: .8;--backdrop-blur-intensity: 25px;--radius-base: 16px;--shadow-intensity: .6;--border-glass-opacity: .2;--bg-glass-opacity: .8;--color-primary: #3b82f6;--color-primary-hover: #2563eb;--color-primary-light: #dbeafe;--color-secondary: #6b7280;--color-success: #10b981;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-glass: rgba(255, 255, 255, var(--bg-glass-opacity, .25));--bg-glass-hover: rgba(255, 255, 255, calc(var(--bg-glass-opacity, .25) + .1));--bg-overlay: rgba(0, 0, 0, .1);--text-primary: #1f2937;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--text-inverse: #ffffff;--border-color: #e5e7eb;--border-color-hover: #d1d5db;--border-glass: rgba(255, 255, 255, var(--border-glass-opacity, .18));--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, calc(.05 * var(--shadow-intensity, 1)));--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity, 1))), 0 2px 4px -1px rgba(0, 0, 0, calc(.06 * var(--shadow-intensity, 1)));--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity, 1))), 0 4px 6px -2px rgba(0, 0, 0, calc(.05 * var(--shadow-intensity, 1)));--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, calc(.1 * var(--shadow-intensity, 1))), 0 10px 10px -5px rgba(0, 0, 0, calc(.04 * var(--shadow-intensity, 1)));--shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, calc(.37 * var(--shadow-intensity, 1)));--backdrop-blur: blur(var(--backdrop-blur-intensity, 40px));--backdrop-blur-light: blur(calc(var(--backdrop-blur-intensity, 40px) / 2));--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: calc(var(--radius-base, 16px) * .5);--radius-md: calc(var(--radius-base, 16px) * .75);--radius-lg: calc(var(--radius-base, 16px) * 1.25);--radius-xl: calc(var(--radius-base, 16px) * 1.5);--radius-2xl: calc(var(--radius-base, 16px) * 2);--transition-fast: .15s ease-in-out;--transition-medium: .3s ease-in-out;--transition-slow: .5s ease-in-out}[data-theme=dark]{--color-primary: #60a5fa;--color-primary-hover: #3b82f6;--color-primary-light: #1e3a8a;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-glass: rgba(15, 23, 42, var(--bg-glass-opacity, .25));--bg-glass-hover: rgba(15, 23, 42, calc(var(--bg-glass-opacity, .25) + .1));--bg-overlay: rgba(255, 255, 255, .1);--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--text-inverse: #0f172a;--border-color: #475569;--border-color-hover: #64748b;--border-glass: rgba(255, 255, 255, var(--border-glass-opacity, .18))}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow-x:hidden}body{background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;color:var(--text-primary);transition:color var(--transition-medium)}[data-theme=dark] body{background:linear-gradient(135deg,#0f172a,#1e293b,#334155)}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary);border-radius:var(--radius-md)}::-webkit-scrollbar-thumb{background:var(--color-secondary);border-radius:var(--radius-md);transition:background var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}*:focus{outline:2px solid var(--color-primary);outline-offset:2px}*:focus:not(:focus-visible){outline:none}.glass{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);box-shadow:var(--shadow-glass)}.glass-light{background:var(--bg-glass-hover);backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light)}.fade-in{animation:fadeIn .3s ease-in-out}.slide-up{animation:slideUp .3s ease-out}.scale-in{animation:scaleIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@media(max-width:768px){:root{--spacing-lg: 1rem;--spacing-xl: 1.5rem;--spacing-2xl: 2rem}}@media print{body{background:#fff!important;color:#000!important}.glass{background:#fff!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;border:1px solid #ccc!important;box-shadow:none!important}}.currency-selector{position:relative;display:flex;flex-direction:column;gap:var(--spacing-sm)}.currency-selector-label{font-size:.875rem;font-weight:600;color:var(--text-secondary);margin-bottom:var(--spacing-xs)}.currency-selector-button{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);min-height:3.5rem;text-align:left;width:100%;box-shadow:var(--shadow-md)}.currency-selector-button:hover:not(.disabled){background:var(--bg-glass-hover);border-color:var(--border-color-hover);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.currency-selector-button.disabled{opacity:.6;cursor:not-allowed}.currency-selector-button.open{border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.currency-selector-content{display:flex;align-items:center;gap:var(--spacing-sm);flex:1;min-width:0}.currency-code{font-size:1rem;font-weight:700;color:var(--text-primary);min-width:3rem}.currency-symbol{font-size:1rem;font-weight:600;color:var(--color-primary);min-width:1.5rem}.currency-name{font-size:.875rem;color:var(--text-secondary);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.currency-selector-icon{color:var(--text-tertiary);transition:transform var(--transition-fast);flex-shrink:0}.currency-selector-icon.rotated{transform:rotate(180deg)}.currency-dropdown{position:absolute;top:100%;left:0;right:0;z-index:50;background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);margin-top:var(--spacing-xs);max-height:300px;overflow:hidden;animation:slideDown .2s ease-out}.currency-search{position:relative;padding:var(--spacing-md);border-bottom:1px solid var(--border-color)}.currency-search-icon{position:absolute;left:calc(var(--spacing-md) + var(--spacing-sm));top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}.currency-search-input{width:100%;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 2.5rem;font-size:.875rem;color:var(--text-primary);transition:all var(--transition-fast)}.currency-search-input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #3b82f61a}.currency-search-input::placeholder{color:var(--text-tertiary)}.currency-list{max-height:200px;overflow-y:auto}.currency-option{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;cursor:pointer;transition:all var(--transition-fast);text-align:left;border-bottom:1px solid rgba(255,255,255,.05)}.currency-option:hover{background:var(--bg-glass-hover)}.currency-option.selected{background:var(--color-primary-light);color:var(--color-primary)}.currency-option:last-child{border-bottom:none}.currency-option-content{display:flex;align-items:center;gap:var(--spacing-sm)}.currency-option-code{font-size:.875rem;font-weight:700;color:var(--text-primary);min-width:3rem}.currency-option-symbol{font-size:.875rem;font-weight:600;color:var(--color-primary);min-width:1.5rem}.currency-option-name{font-size:.8rem;color:var(--text-secondary);flex:1}.currency-no-results{padding:var(--spacing-lg);text-align:center;color:var(--text-tertiary);font-size:.875rem}[data-theme=dark] .currency-search-input{background:var(--bg-tertiary);border-color:var(--border-color)}[data-theme=dark] .currency-option.selected{background:var(--color-primary-light);color:var(--color-primary)}@media(max-width:640px){.currency-selector-button{padding:var(--spacing-sm) var(--spacing-md);min-height:3rem}.currency-code{font-size:.875rem;min-width:2.5rem}.currency-symbol{font-size:.875rem;min-width:1.25rem}.currency-name{font-size:.8rem}.currency-dropdown{max-height:250px}.currency-list{max-height:150px}}.calculator{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-glass);transition:all var(--transition-medium)}.calculator-display{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);text-align:right;border:1px solid var(--border-color);backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light)}.calculator-value{font-size:2rem;font-weight:600;color:var(--text-primary);word-break:break-all;min-height:2.5rem;display:flex;align-items:center;justify-content:flex-end}.calculator-buttons{display:grid;gap:var(--spacing-sm)}.calculator-row{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-sm)}.calculator-button{background:var(--bg-glass-hover);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:var(--spacing-md);font-size:1.125rem;font-weight:600;color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light);min-height:3rem;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none}.calculator-button:hover:not(:disabled){background:var(--bg-glass);border-color:var(--border-color-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.calculator-button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow-sm)}.calculator-button:disabled{opacity:.5;cursor:not-allowed}.calculator-button-operation{background:var(--color-primary);color:var(--text-inverse);border-color:var(--color-primary)}.calculator-button-operation:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.calculator-button-equals{background:var(--color-success);color:var(--text-inverse);border-color:var(--color-success)}.calculator-button-equals:hover:not(:disabled){background:#059669;border-color:#059669}.calculator-button-clear{background:var(--color-error);color:var(--text-inverse);border-color:var(--color-error)}.calculator-button-clear:hover:not(:disabled){background:#dc2626;border-color:#dc2626}.calculator-button-backspace{background:var(--color-warning);color:var(--text-inverse);border-color:var(--color-warning)}.calculator-button-backspace:hover:not(:disabled){background:#d97706;border-color:#d97706}.calculator-button-use{background:var(--color-info);color:var(--text-inverse);border-color:var(--color-info);font-size:.875rem;font-weight:700}.calculator-button-use:hover:not(:disabled){background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.calculator-button-zero{grid-column:span 2}[data-theme=dark] .calculator-display{background:var(--bg-tertiary);border-color:var(--border-color)}@media(max-width:640px){.calculator{padding:var(--spacing-md)}.calculator-display{padding:var(--spacing-md);margin-bottom:var(--spacing-md)}.calculator-value{font-size:1.5rem;min-height:2rem}.calculator-button{padding:var(--spacing-sm);font-size:1rem;min-height:2.5rem}.calculator-button-use{font-size:.75rem}}.chart-container{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-glass);animation:slideInFromRight .4s ease-out;position:relative;z-index:20}.chart-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-lg);gap:var(--spacing-md);flex-wrap:wrap}.chart-title{display:flex;align-items:center;gap:var(--spacing-sm);color:var(--text-primary)}.chart-title h3{margin:0;font-size:1.25rem;font-weight:600}.chart-period-selector{position:relative}.period-selector-button{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--bg-glass-hover);backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);min-width:120px}.period-selector-button:hover{background:var(--bg-glass);border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.period-selector-dropdown{position:absolute;top:100%;right:0;z-index:1001;background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);margin-top:var(--spacing-xs);min-width:160px;padding:var(--spacing-sm);animation:slideDown .2s ease-out;max-height:300px;overflow-y:auto}.period-option{display:block;width:100%;padding:var(--spacing-sm) var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;text-align:left;cursor:pointer;transition:all var(--transition-fast);margin-bottom:var(--spacing-xs)}.period-option:last-child{margin-bottom:0}.period-option:hover{background:var(--bg-glass-hover);color:var(--color-primary)}.period-option.active{background:var(--color-primary);color:#fff;font-weight:600}.period-option.active:hover{background:var(--color-primary-hover)}.chart-wrapper{position:relative;height:400px;width:100%}.chart-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:400px;color:var(--text-secondary);gap:var(--spacing-md)}.loading-spinner{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.spinner{width:40px;height:40px;border:3px solid var(--border-color);border-top:3px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}.no-data{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);color:var(--text-tertiary)}.no-data svg{opacity:.5}@keyframes slideInFromRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}[data-theme=dark] .chart-container{background:var(--bg-glass)}@media(max-width:768px){.chart-container{padding:var(--spacing-md)}.chart-header{flex-direction:column;align-items:stretch;gap:var(--spacing-md)}.chart-title,.period-selector-button{justify-content:center}.period-selector-dropdown{right:auto;left:0;width:100%}.chart-wrapper{height:300px}}.chart-wrapper{height:300px}.chart-loading{height:300px;font-size:.875rem}@media(max-width:480px){.chart-wrapper,.chart-loading{height:250px}}.toast-container{position:fixed;top:var(--spacing-lg);right:var(--spacing-lg);z-index:1000;display:flex;flex-direction:column;gap:var(--spacing-sm);max-width:400px;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);padding:var(--spacing-md);border-radius:var(--radius-lg);font-size:.875rem;font-weight:500;line-height:1.4;min-height:3rem;animation:slideIn .3s ease-out;backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);box-shadow:var(--shadow-lg)}.toast-success{background:#10b981e6;color:#fff;border-color:#10b9814d}.toast-error{background:#ef4444e6;color:#fff;border-color:#ef44444d}.toast-warning{background:#f59e0be6;color:#fff;border-color:#f59e0b4d}.toast-info{background:#3b82f6e6;color:#fff;border-color:#3b82f64d}.toast-content{display:flex;align-items:center;gap:var(--spacing-sm);flex:1}.toast-icon{flex-shrink:0;width:1.25rem;height:1.25rem}.toast-message{flex:1;word-break:break-word}.toast-close{background:none;border:none;color:inherit;cursor:pointer;padding:var(--spacing-xs);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast);flex-shrink:0}.toast-close:hover{background:#fff3}.toast-close:focus{outline:2px solid rgba(255,255,255,.5);outline-offset:2px}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@media(max-width:640px){.toast-container{top:var(--spacing-sm);right:var(--spacing-sm);left:var(--spacing-sm);max-width:none}.toast{padding:var(--spacing-sm) var(--spacing-md);font-size:.8rem}}.app-footer{margin-top:2rem;padding:1.5rem 1rem 1rem;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--glass-border);border-radius:16px 16px 0 0;color:var(--text-secondary);font-size:.875rem;position:relative}.app-footer:before{content:"";position:absolute;inset:0;background:var(--glass-bg);border-radius:inherit;z-index:-1}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;margin-bottom:1rem}.footer-author{display:flex;align-items:center}.footer-text{color:var(--text-secondary)}.footer-text strong{color:var(--text-primary);font-weight:600}.footer-links{display:flex;gap:1.5rem;align-items:center}.footer-link{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none;padding:.5rem .75rem;border-radius:8px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);transition:all .2s ease;font-size:.875rem;font-weight:500}.footer-link:hover{color:var(--text-primary);background:#ffffff1a;border-color:#fff3;transform:translateY(-1px)}.footer-bottom{text-align:center;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}.footer-copyright{color:var(--text-muted);font-size:.8rem}[data-theme=dark] .footer-link{background:#ffffff14;border-color:#ffffff1f}[data-theme=dark] .footer-link:hover{background:#ffffff26;border-color:#ffffff40}@media(max-width:768px){.app-footer{padding:1rem;margin-top:1.5rem}.footer-content{flex-direction:column;text-align:center;gap:1rem}.footer-links{justify-content:center;gap:1rem}.footer-link{padding:.6rem 1rem;font-size:.8rem}}.app{min-height:100vh;display:flex;flex-direction:column;padding:var(--spacing-lg);gap:var(--spacing-xl)}.app-header{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-glass);position:relative;z-index:100}.app-header-content{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-lg)}.app-title{font-size:2rem;font-weight:700;color:var(--text-primary);margin:0;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-header-actions{display:flex;align-items:center;gap:var(--spacing-sm)}.action-button{background:var(--bg-glass-hover);border:1px solid var(--border-glass);border-radius:var(--radius-md);padding:var(--spacing-sm);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light)}.action-button:hover{background:var(--bg-glass);border-color:var(--color-primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}.action-button:active{transform:translateY(0)}.settings-dropdown{position:relative}.settings-menu{position:absolute;top:100%;right:0;z-index:1000;background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-lg);box-shadow:var(--shadow-xl);margin-top:var(--spacing-xs);min-width:280px;max-width:320px;padding:0;animation:slideDown .2s ease-out;overflow:hidden}.settings-menu.apple-glass{background:var(--bg-glass);border:1px solid rgba(255,255,255,.2);box-shadow:0 25.6px 57.6px #00000038,0 4.8px 14.4px #0000002e,inset 0 1px #ffffff4d}.settings-header{padding:var(--spacing-lg) var(--spacing-lg) var(--spacing-md);border-bottom:1px solid var(--border-glass);background:linear-gradient(180deg,rgba(255,255,255,.1) 0%,transparent 100%)}.settings-header h4{margin:0;font-size:1.125rem;font-weight:600;color:var(--text-primary);text-align:center}.settings-section{padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid rgba(255,255,255,.1)}.settings-section:last-child{border-bottom:none}.settings-section h5{margin:0 0 var(--spacing-sm) 0;font-size:.875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.settings-section h6{margin:0 0 var(--spacing-sm) 0;font-size:.875rem;font-weight:600;color:var(--text-secondary)}.design-options{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-sm);margin-top:var(--spacing-sm)}.design-option{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-md) var(--spacing-sm);background:var(--bg-glass-hover);border:1px solid var(--border-glass);border-radius:var(--radius-md);color:var(--text-secondary);font-size:.75rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast)}.design-option:hover{background:var(--bg-glass);border-color:var(--color-primary);color:var(--text-primary);transform:translateY(-1px)}.design-option.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff;box-shadow:var(--shadow-md)}.slider-container{display:flex;align-items:center;gap:var(--spacing-md);margin-top:var(--spacing-sm)}.glass-slider{flex:1;-webkit-appearance:none;appearance:none;height:6px;background:var(--bg-glass-hover);border-radius:3px;outline:none;border:1px solid var(--border-glass);cursor:pointer}.glass-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;box-shadow:0 2px 4px #0003;transition:all var(--transition-fast)}.glass-slider::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 4px 8px #0000004d}.glass-slider::-moz-range-thumb{width:18px;height:18px;background:var(--color-primary);border-radius:50%;cursor:pointer;border:none;box-shadow:0 2px 4px #0003}.slider-value{font-size:.875rem;font-weight:600;color:var(--text-primary);min-width:45px;text-align:right}.shortcut-list{display:flex;flex-direction:column;gap:var(--spacing-xs)}.shortcut-item{display:flex;align-items:center;justify-content:space-between;font-size:.75rem}kbd{background:var(--bg-glass-hover);border:1px solid var(--border-glass);border-radius:var(--radius-sm);padding:.125rem .375rem;font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace;font-size:.6875rem;font-weight:600;color:var(--text-secondary);box-shadow:0 1px 2px #0000001a}.settings-item{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);width:100%;padding:var(--spacing-md);background:transparent;border:none;border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-align:left}.settings-item:hover{background:var(--bg-glass-hover);color:var(--color-primary)}.settings-item svg{flex-shrink:0}.settings-item-info{display:flex;align-items:flex-start;gap:var(--spacing-sm);padding:var(--spacing-md);color:var(--text-secondary);font-size:.8rem;background:var(--bg-glass-hover);border-radius:var(--radius-md);margin:var(--spacing-sm)}.settings-item-info div{display:flex;flex-direction:column;gap:var(--spacing-xs)}.settings-item-info small{font-size:.7rem;color:var(--text-tertiary)}.settings-separator{height:1px;background:linear-gradient(90deg,transparent,var(--border-glass),transparent);margin:0}.settings-help{padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-glass-hover)}.settings-help small{font-size:.7rem;color:var(--text-tertiary);font-family:SF Mono,Monaco,Cascadia Code,Roboto Mono,Consolas,Courier New,monospace}.app-main{flex:1;display:flex;flex-direction:column;gap:var(--spacing-xl)}.converter-container{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-glass);animation:fadeIn .6s ease-out;position:relative;z-index:10}.converter-section{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--spacing-xl);align-items:end}.currency-input-group{display:flex;flex-direction:column;gap:var(--spacing-lg)}.amount-input-container{display:flex;flex-direction:column;gap:var(--spacing-sm)}.amount-label{font-size:.875rem;font-weight:600;color:var(--text-secondary)}.amount-input{background:var(--bg-glass-hover);backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light);border:1px solid var(--border-glass);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);font-size:1.125rem;font-weight:600;color:var(--text-primary);transition:all var(--transition-fast);min-height:3.5rem}.amount-input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #3b82f61a}.amount-input:disabled{opacity:.6;cursor:not-allowed}.amount-input::placeholder{color:var(--text-tertiary)}.converted-amount-display{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-md) var(--spacing-lg);min-height:3.5rem;display:flex;align-items:center;justify-content:flex-start;backdrop-filter:var(--backdrop-blur-light);-webkit-backdrop-filter:var(--backdrop-blur-light)}.converted-amount{font-size:1.125rem;font-weight:600;color:var(--color-primary)}.loading-spinner{width:1.5rem;height:1.5rem;border:2px solid var(--border-color);border-top:2px solid var(--color-primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.swap-container{display:flex;align-items:center;justify-content:center}.swap-button{background:var(--color-primary);border:none;border-radius:50%;width:3rem;height:3rem;color:var(--text-inverse);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md)}.swap-button:hover:not(:disabled){background:var(--color-primary-hover);transform:rotate(180deg) scale(1.1);box-shadow:var(--shadow-lg)}.swap-button:disabled{opacity:.6;cursor:not-allowed}.exchange-rate-info{margin-top:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-glass-hover);border-radius:var(--radius-lg);text-align:center;border:1px solid var(--border-glass)}.exchange-rate-info p{margin:0;font-size:.875rem;color:var(--text-secondary);font-weight:500}.side-panel{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-xl);box-shadow:var(--shadow-glass);animation:slideUp .3s ease-out;position:relative;z-index:20}.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-color)}.panel-header h3{margin:0;font-size:1.25rem;font-weight:600;color:var(--text-primary)}.close-button{background:var(--bg-glass-hover);border:1px solid var(--border-glass);border-radius:50%;width:2rem;height:2rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;line-height:1}.close-button:hover{background:var(--color-error);color:var(--text-inverse);border-color:var(--color-error);transform:scale(1.1)}.calculator-panel{max-width:400px;margin:0 auto}.chart-panel{width:100%}.app-footer{background:var(--bg-glass);backdrop-filter:var(--backdrop-blur);-webkit-backdrop-filter:var(--backdrop-blur);border:1px solid var(--border-glass);border-radius:var(--radius-xl);padding:var(--spacing-lg);box-shadow:var(--shadow-glass);text-align:center}.app-footer p{margin:0;font-size:.875rem;color:var(--text-tertiary)}.app-footer a{color:var(--color-primary);text-decoration:none;font-weight:500;transition:color var(--transition-fast)}.app-footer a:hover{color:var(--color-primary-hover);text-decoration:underline}@media(max-width:1024px){.converter-section{grid-template-columns:1fr;gap:var(--spacing-lg)}.swap-container{order:2}.swap-button{transform:rotate(90deg)}.swap-button:hover:not(:disabled){transform:rotate(270deg) scale(1.1)}}@media(max-width:768px){.app{padding:var(--spacing-md);gap:var(--spacing-lg)}.app-header{padding:var(--spacing-md)}.app-header-content{flex-direction:column;gap:var(--spacing-md);text-align:center}.app-title{font-size:1.5rem}.converter-container{padding:var(--spacing-lg)}.currency-input-group{gap:var(--spacing-md)}.side-panel{padding:var(--spacing-lg)}}@media(max-width:480px){.app,.app-header{padding:var(--spacing-sm)}.app-title{font-size:1.25rem}.converter-container{padding:var(--spacing-md)}.amount-input{font-size:1rem;padding:var(--spacing-sm) var(--spacing-md);min-height:3rem}.converted-amount-display{padding:var(--spacing-sm) var(--spacing-md);min-height:3rem}.converted-amount{font-size:1rem}.swap-button{width:2.5rem;height:2.5rem}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}