:root{--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-tertiary: #1a1a1a;--bg-elevated: #222222;--text-primary: #ffffff;--text-secondary: #a0a0a0;--text-muted: #666666;--accent-primary: #3b82f6;--accent-hover: #2563eb;--positive: #22c55e;--negative: #ef4444;--border-color: #2a2a2a;--border-light: #333333;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -2px rgba(0, 0, 0, .3);--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--accent-primary);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input{font-family:inherit;border:none;background:none;color:inherit;outline:none}.container{max-width:1200px;margin:0 auto;padding:0 24px}.main{flex:1;padding:48px 0}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:16px 0;position:sticky;top:0;z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}.logo-icon{font-size:1.75rem}.nav{display:flex;gap:32px}.nav-link{color:var(--text-secondary);font-weight:500;font-size:.9375rem;transition:color .15s ease}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:32px 0;margin-top:auto}.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.footer-text{color:var(--text-muted);font-size:.875rem}.footer-links{display:flex;gap:24px}.footer-link{color:var(--text-secondary);font-size:.875rem}.converter-section{text-align:center;margin-bottom:64px}.converter-title{font-size:2.5rem;font-weight:700;margin-bottom:12px;letter-spacing:-.02em}.converter-subtitle{color:var(--text-secondary);font-size:1.125rem;margin-bottom:40px}.converter{max-width:480px;margin:0 auto;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}.converter-row{display:flex;align-items:center;gap:12px;padding:16px;background:var(--bg-tertiary);border-radius:var(--radius-md);margin-bottom:8px}.converter-row:last-of-type{margin-bottom:0}.currency-select{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-elevated);border-radius:var(--radius-sm);cursor:pointer;transition:background .15s ease;min-width:120px}.currency-select:hover{background:var(--border-light)}.currency-flag{font-size:1.25rem}.currency-code{font-weight:600;font-size:.9375rem}.currency-chevron{margin-left:auto;color:var(--text-muted)}.amount-input{flex:1;text-align:right;font-size:1.5rem;font-weight:600;font-family:var(--font-mono);background:transparent;min-width:0}.amount-input::placeholder{color:var(--text-muted)}.converter-divider{display:flex;align-items:center;justify-content:center;padding:8px 0}.swap-button{width:40px;height:40px;border-radius:50%;background:var(--bg-tertiary);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-size:1.125rem;transition:all .15s ease;color:var(--text-secondary)}.swap-button:hover{background:var(--bg-elevated);border-color:var(--border-light);color:var(--text-primary)}.rate-display{margin-top:20px;padding-top:20px;border-top:1px solid var(--border-color)}.rate-info{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}.rate-value{font-family:var(--font-mono);font-size:.9375rem;color:var(--text-secondary)}.rate-change{font-size:.875rem;font-weight:500}.rate-change.positive{color:var(--positive)}.rate-change.negative{color:var(--negative)}.chart-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.9375rem;color:var(--accent-primary);font-weight:500}.chart-link:hover{color:var(--accent-hover)}.picker-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:24px}.picker-modal{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:400px;max-height:80vh;display:flex;flex-direction:column;overflow:hidden}.picker-header{padding:20px;border-bottom:1px solid var(--border-color)}.picker-title{font-size:1.125rem;font-weight:600;margin-bottom:12px}.picker-search{width:100%;padding:12px 16px;background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:.9375rem}.picker-search::placeholder{color:var(--text-muted)}.picker-list{flex:1;overflow-y:auto;padding:8px}.picker-section{margin-bottom:16px}.picker-section-title{padding:8px 12px;font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.picker-item{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s ease}.picker-item:hover{background:var(--bg-tertiary)}.picker-item-flag{font-size:1.5rem;width:32px;text-align:center}.picker-item-info{flex:1;min-width:0}.picker-item-code{font-weight:600;font-size:.9375rem}.picker-item-name{font-size:.8125rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-banner{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;text-align:center;max-width:600px;margin:0 auto 64px}.app-banner-title{font-size:1.25rem;font-weight:600;margin-bottom:8px}.app-banner-subtitle{color:var(--text-secondary);margin-bottom:24px}.app-badges{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.app-badge{height:44px;transition:opacity .15s ease}.app-badge:hover{opacity:.8}.popular-section{margin-top:64px}.section-title{font-size:1.25rem;font-weight:600;margin-bottom:24px;text-align:center}.popular-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;max-width:800px;margin:0 auto}.popular-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:20px;display:flex;align-items:center;gap:12px;transition:all .15s ease}.popular-card:hover{background:var(--bg-tertiary);border-color:var(--border-light)}.popular-flags{font-size:1.25rem}.popular-pair{font-weight:600;font-size:.9375rem}.popular-rate{margin-left:auto;font-family:var(--font-mono);font-size:.875rem;color:var(--text-secondary)}.chart-page{max-width:900px;margin:0 auto}.chart-header{margin-bottom:32px}.chart-pair{display:flex;align-items:center;gap:12px;margin-bottom:8px}.chart-pair-flags{font-size:1.5rem}.chart-pair-code{font-size:1.5rem;font-weight:700}.chart-rate{font-size:2.5rem;font-weight:700;font-family:var(--font-mono);margin-bottom:4px}.chart-change{font-size:1rem;font-weight:500}.time-range-selector{display:flex;gap:8px;margin-bottom:24px}.time-range-btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-color);transition:all .15s ease}.time-range-btn:hover{background:var(--bg-tertiary)}.time-range-btn.active{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.chart-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;height:400px}.rates-page{max-width:1000px;margin:0 auto}.rates-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.rates-title{font-size:1.5rem;font-weight:700}.rates-filters{display:flex;gap:8px}.filter-btn{padding:8px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border-color);transition:all .15s ease}.filter-btn:hover{background:var(--bg-tertiary)}.filter-btn.active{background:var(--bg-tertiary);border-color:var(--border-light);color:var(--text-primary)}.rates-table{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);overflow:hidden}.rates-table-header{display:grid;grid-template-columns:2fr 1fr 1fr;padding:16px 20px;background:var(--bg-tertiary);border-bottom:1px solid var(--border-color);font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.rates-table-row{display:grid;grid-template-columns:2fr 1fr 1fr;padding:16px 20px;border-bottom:1px solid var(--border-color);align-items:center;transition:background .15s ease;cursor:pointer}.rates-table-row:last-child{border-bottom:none}.rates-table-row:hover{background:var(--bg-tertiary)}.rates-pair{display:flex;align-items:center;gap:12px}.rates-pair-flags{font-size:1.25rem}.rates-pair-code{font-weight:600}.rates-rate{font-family:var(--font-mono);font-size:.9375rem}.rates-change{font-size:.875rem;font-weight:500;text-align:right}.loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-secondary)}.error{text-align:center;padding:48px;color:var(--negative)}@media(max-width:640px){.container{padding:0 16px}.main{padding:32px 0}.converter-title{font-size:1.75rem}.converter-subtitle{font-size:1rem}.converter{padding:16px}.converter-row{padding:12px}.amount-input{font-size:1.25rem}.nav{gap:16px}.nav-link{font-size:.875rem}.chart-rate{font-size:2rem}.chart-container{height:300px;padding:16px}.rates-table-header,.rates-table-row{grid-template-columns:1.5fr 1fr .8fr;padding:12px 16px;font-size:.875rem}}