.exchange-container{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:var(--space-5);color:var(--color-white);overflow-x:hidden}.exchange-content{max-width:1200px;margin:0 auto}.exchange-header{text-align:center;margin-bottom:40px;padding:40px 0}.exchange-header h1{font-size:3rem;font-weight:800;margin-bottom:15px;text-shadow:0 4px var(--space-5) rgba(0,0,0,.3);background:linear-gradient(45deg,#0f8,#0cf);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.exchange-header p{font-size:1.2rem;opacity:.9;margin-bottom:var(--space-5)}.exchange-update-time{font-size:.9rem;opacity:.7;background:#ffffff1a;padding:var(--space-2) var(--space-4);border-radius:var(--space-5);display:inline-block;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.converter-section{background:#ffffff1a;-webkit-backdrop-filter:blur(var(--space-5));backdrop-filter:blur(var(--space-5));border-radius:var(--space-5);padding:30px;margin-bottom:40px;border:1px solid rgba(255,255,255,.2)}.converter-title{font-size:1.5rem;font-weight:700;margin-bottom:var(--space-5);text-align:center}.converter-form{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--space-5);align-items:center;margin-bottom:var(--space-5)}.currency-input{display:flex;flex-direction:column;gap:10px}.currency-input label{font-weight:600;font-size:.9rem;opacity:.9}.input-group{display:flex;gap:10px}.currency-input input{flex:1;padding:var(--space-3) var(--space-4);border:none;border-radius:10px;background:#ffffffe6;color:#333;font-size:1rem;font-weight:600;min-width:0}.currency-input select{padding:var(--space-3) var(--space-4);border:none;border-radius:10px;background:#ffffffe6;color:#333;font-size:1rem;font-weight:600;min-width:80px}.swap-btn{background:#fff3;border:none;border-radius:var(--radius-full);width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;font-size:1.2rem;color:#fff}.swap-btn:hover{background:#ffffff4d;transform:rotate(180deg)}.rates-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-5);margin-bottom:40px}.rate-card{background:#ffffff1a;-webkit-backdrop-filter:blur(var(--space-5));backdrop-filter:blur(var(--space-5));border-radius:15px;padding:25px;border:1px solid rgba(255,255,255,.2);transition:all .3s ease;position:relative;overflow:hidden}.rate-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#0f8,#0cf)}.rate-card:hover{transform:translateY(-5px);background:#ffffff26}.rate-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px}.currency-info{display:flex;align-items:center;gap:var(--space-3)}.currency-flag{font-size:1.5rem}.currency-name{font-weight:700;font-size:1.1rem}.currency-code{font-size:.9rem;opacity:.7}.rate-value{font-size:1.8rem;font-weight:800;color:#0f8;text-shadow:0 2px 10px rgba(0,255,136,.3)}.rate-change{font-size:.9rem;font-weight:600;margin-top:5px}.rate-change.positive{color:#0f8}.rate-change.negative{color:#ff4757}.exchange-loading{text-align:center;padding:40px;font-size:1.2rem;opacity:.8}.exchange-error{text-align:center;padding:var(--space-5);background:#ff475733;border-radius:10px;margin-bottom:var(--space-5)}.back-btn{position:fixed;top:var(--space-5);left:var(--space-5);background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:none;border-radius:var(--radius-full);width:50px;height:50px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;color:var(--color-white);font-size:1.2rem;text-decoration:none;z-index:10}.back-btn:hover{background:#ffffff4d;transform:scale(1.1)}@media (max-width: 768px){.exchange-container{padding:15px}.exchange-header h1{font-size:2rem}.converter-form{grid-template-columns:1fr;gap:15px}.swap-btn{justify-self:center;transform:rotate(90deg)}.rates-grid{grid-template-columns:1fr}}