:root{--background-color: #121212;--surface-color: #1e1e1e;--primary-text-color: #e0e0e0;--secondary-text-color: #b3b3b3;--accent-color: #4a90e2;--border-color: #333333}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Vazirmatn,sans-serif;background-color:var(--background-color);color:var(--primary-text-color);display:flex;justify-content:center;align-items:center;min-height:100vh;direction:rtl}#root{width:100%;max-width:500px;padding:20px;display:flex;flex-direction:column;gap:16px}.converter-container{background-color:var(--surface-color);padding:32px;border-radius:16px;box-shadow:0 10px 25px #0000004d;display:flex;flex-direction:column;gap:24px;border:1px solid var(--border-color)}h1{text-align:center;font-size:1.75rem;font-weight:700;color:var(--primary-text-color);margin-bottom:0}.tabs-container{display:flex;background-color:var(--background-color);border-radius:12px;padding:6px;border:1px solid var(--border-color)}.tab-button{flex:1;padding:12px;font-size:1.1rem;font-weight:700;font-family:Vazirmatn,sans-serif;border:none;background-color:transparent;color:var(--secondary-text-color);cursor:pointer;transition:all .3s ease;border-radius:8px}.tab-button:not(.active):hover{background-color:#2a2a2a}.tab-button.active{background-color:var(--accent-color);color:#fff;box-shadow:0 2px 8px #4a90e24d}.input-group{display:flex;flex-direction:column}.input-group label{font-size:1.1rem;color:var(--secondary-text-color);margin-bottom:8px}.input-group input{background-color:var(--background-color);border:2px solid var(--border-color);color:var(--primary-text-color);padding:14px 16px;border-radius:8px;font-size:1.8rem;font-family:Vazirmatn,sans-serif;text-align:center;width:100%;transition:border-color .3s ease,box-shadow .3s ease}.input-group input:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px #4a90e24d}.input-group input::placeholder{color:#4a4a4a}.purchase-result{margin-top:0;background-color:var(--background-color);border:1px solid var(--border-color);border-radius:8px;padding:16px;display:flex;flex-direction:column;gap:12px}.purchase-result p{font-size:1.2rem;line-height:1.6;color:var(--primary-text-color)}.purchase-result p strong{color:var(--secondary-text-color);font-weight:400;margin-left:8px}.share-section{display:flex;justify-content:space-between;align-items:flex-start}.version{font-family:Vazirmatn,sans-serif;color:var(--secondary-text-color);font-size:.9rem;padding-top:8px;white-space:nowrap}.share-button{font-family:Vazirmatn,sans-serif;background-color:transparent;border:2px solid var(--border-color);color:var(--secondary-text-color);padding:8px 16px;font-size:.9rem;font-weight:700;border-radius:8px;cursor:pointer;transition:all .3s ease}.share-button:hover,.share-button:focus{background-color:#2a2a2a;color:var(--primary-text-color);outline:none}.copy-status{margin-top:8px;color:var(--accent-color);font-size:.9rem;height:1.2rem;transition:opacity .3s ease}