.header{background-color:var(--card-bg);box-shadow:var(--shadow);padding:.75rem 0;position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border-color)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--text-color);text-decoration:none}.nav-links{display:flex;gap:2rem;background-color:#0000000d;padding:.5rem 1.5rem;border-radius:50px}[data-theme=dark] .nav-links{background-color:#ffffff0d}.nav-link{color:var(--text-color);font-weight:500;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--primary-color);text-decoration:none}.header-actions{display:flex;gap:1rem}.icon-btn{background:transparent;border:1px solid var(--border-color);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-color);transition:all .2s;text-decoration:none}.icon-btn:hover{background-color:#ffb3471a}.github-link:hover{color:var(--primary-color)}.lang-text{font-size:.8rem;font-weight:600}@media(max-width:768px){.nav-links{display:none}}.footer{background-color:var(--card-bg);padding:1.5rem 0;margin-top:auto;border-top:1px solid var(--border-color)}.footer-content{display:flex;justify-content:space-between;align-items:center;color:var(--text-color);opacity:.8}@media(max-width:768px){.footer-content{flex-direction:column;gap:.5rem;text-align:center}}.calculator-page{display:flex;justify-content:center;align-items:center;width:100%;padding:1rem 0}.calculator-card{width:100%;max-width:700px;margin:0 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var(--border-color);color:var(--text-color);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;margin-bottom:2px}.swap-btn:hover{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.result-section{background-color:#00000008;border-radius:8px;padding:.75rem;text-align:center;margin-bottom:1.5rem;border:1px solid var(--border-color);position:relative;min-height:auto;display:flex;align-items:center;justify-content:center}[data-theme=dark] .result-section{background-color:#ffffff0d}.result-container{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%}.main-result{font-size:1.2rem;font-weight:500;margin-bottom:0}.highlight{color:var(--primary-color);font-weight:700}.loading,.error{color:var(--text-color);font-weight:500}.error{color:#ff4d4d}.actions{display:flex;justify-content:center}.view-chart-btn{width:100%;display:flex;align-items:center;justify-content:center;padding:1rem;font-size:1rem}.rates-page{padding:2rem}.rates-card{width:100%}.controls{display:flex;flex-wrap:wrap;gap:1.5rem;margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.control-group{display:flex;flex-direction:column;min-width:150px;flex:1}.control-group label{margin-bottom:.5rem;font-weight:600;font-size:.9rem}.control-group select,.control-group input{padding:.75rem;border:1px solid var(--border-color);border-radius:8px;background-color:var(--bg-color);color:var(--text-color);font-size:1rem}.chart-container{width:100%;height:400px;margin-bottom:1rem}.loading-chart{height:100%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-color);opacity:.7}.last-updated{text-align:right;font-size:.8rem;opacity:.6;margin-top:1rem}@media(max-width:768px){.controls{flex-direction:column;gap:1rem}.control-group{width:100%}}.faq-page{max-width:800px;margin:0 auto}.faq-header{text-align:center;margin-bottom:3rem}.faq-header h1{color:var(--primary-color);margin-bottom:.5rem}.faq-list{display:flex;flex-direction:column;gap:1rem}.faq-item{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;cursor:pointer;transition:all .2s}.faq-answer-wrapper{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease-out}.faq-item.open .faq-answer-wrapper{grid-template-rows:1fr}.faq-item:hover{border-color:var(--primary-color)}.faq-question{padding:1.5rem;display:flex;justify-content:space-between;align-items:center}.faq-question h3{margin:0;font-size:1.1rem;font-weight:500}.faq-answer{padding:0 1.5rem;color:var(--text-color);opacity:.8;line-height:1.6;overflow:hidden;min-height:0}.faq-item.open .faq-answer{padding-bottom:1.5rem;border-top:1px solid var(--border-color);padding-top:1rem}.support-page{max-width:1000px;margin:0 auto;text-align:center}.support-header{margin-bottom:3rem}.support-header h1{color:var(--primary-color);margin-bottom:.5rem}.donation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:3rem}.donation-card{display:flex;flex-direction:column;align-items:center;text-align:center;transition:transform .2s}.donation-card:hover{transform:translateY(-5px);border-color:var(--primary-color)}.donation-icon{color:var(--primary-color);margin-bottom:1rem;background-color:#ffb3471a;padding:1rem;border-radius:50%}.donation-desc{margin-bottom:1.5rem;opacity:.8}.warning-box{background-color:#ff8c001a;color:var(--accent-color);padding:.5rem;border-radius:4px;font-size:.8rem;margin-bottom:1rem;width:100%;box-sizing:border-box}.donate-btn{width:100%;text-align:center;text-decoration:none}.address-box{display:flex;align-items:center;gap:.5rem;background-color:var(--bg-color);padding:.5rem;border-radius:6px;width:100%;border:1px solid var(--border-color)}.crypto-address{font-family:monospace;font-size:.9rem;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.copy-btn{background:none;border:none;cursor:pointer;color:var(--text-color);padding:.25rem;display:flex;align-items:center;justify-content:center;transition:color .2s}.copy-btn:hover{color:var(--primary-color)}.thank-you-message{font-size:1.2rem;font-weight:600;color:var(--primary-color)}:root{--bg-color: #FFF8F0;--text-color: #333333;--primary-color: #FFB347;--secondary-color: #FFCC99;--accent-color: #FF8C00;--card-bg: #FFFFFF;--border-color: #E0E0E0;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--font-main: "Inter", sans-serif}[data-theme=dark]{--bg-color: #1A1A1A;--text-color: #E0E0E0;--primary-color: #FFB347;--secondary-color: #332211;--accent-color: #FF8C00;--card-bg: #2C2C2C;--border-color: #444444;--shadow: 0 4px 6px rgba(0, 0, 0, .3)}body{margin:0;font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s,color .3s}#root{display:flex;flex-direction:column;min-height:100vh}main{flex:1;padding:2rem;max-width:1400px;margin:0 auto;width:100%;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center}.container{max-width:1400px;margin:0 auto;padding:0 1rem}.btn{padding:.5rem 1rem;border-radius:6px;border:none;cursor:pointer;font-weight:700;transition:all .2s;background-color:var(--primary-color);color:#1a1a1a;font-size:.9rem}.btn:hover{background-color:var(--accent-color);transform:translateY(-1px)}.card{background-color:var(--card-bg);border-radius:10px;padding:1.5rem;box-shadow:var(--shadow);border:1px solid var(--border-color)}h1{font-size:1.8rem;margin-top:0}h2{font-size:1.5rem;margin-top:0}h3{font-size:1.2rem;margin-top:0}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}