@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--primary: #0f172a;--bg-color: #f1f5f9;--card-bg: #ffffff;--card-border: #e2e8f0;--text-primary: #0f172a;--text-secondary: #64748b;--accent: #3b82f6;--history-item-bg: #f8fafc}[data-theme=dark]{--primary: #f8fafc;--bg-color: #0f172a;--card-bg: #1e293b;--card-border: #334155;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--accent: #38bdf8;--history-item-bg: #0f172a}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Outfit,sans-serif;background-color:var(--bg-color);color:var(--text-primary);min-height:100vh;display:flex;justify-content:center;align-items:center;transition:background-color .3s ease,color .3s ease}#root{width:100%;max-width:600px;min-height:100vh;display:flex;flex-direction:column;padding:2rem 1rem;gap:2rem;margin:0 auto}@media(max-width:600px){#root{padding:1rem;gap:1.5rem}}.top-bar{position:fixed;top:1.5rem;right:1.5rem;display:flex;align-items:center;gap:.75rem;z-index:1000}@media(max-width:600px){.top-bar{position:absolute;top:1rem;right:1rem;gap:.5rem}}.lang-select-wrapper{background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:0 .5rem;display:flex;align-items:center;box-shadow:0 4px 6px -1px #0000001a}.lang-select{background:none;border:none;color:var(--text-primary);padding:.5rem;font-family:inherit;font-size:.85rem;font-weight:700;cursor:pointer;outline:none}.lang-select option{background:var(--card-bg);color:var(--text-primary)}.sidebar{width:100%;background:var(--card-bg);border:1px solid var(--card-border);border-radius:20px;padding:.75rem;display:flex;flex-direction:row;justify-content:center;gap:.5rem;box-shadow:0 4px 6px -1px #0000000d;flex-wrap:wrap}@media(max-width:500px){.sidebar{justify-content:space-around}.sidebar-header{display:none!important}}.nav-item{padding:.6rem 1rem;border-radius:12px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);font-weight:600;font-size:.85rem}@media(max-width:500px){.nav-item{flex-direction:column;padding:.5rem;font-size:.65rem;flex:1;min-width:70px}}.nav-item.active{background:var(--accent);color:#fff}.main-content{flex:1;display:flex;flex-direction:column;gap:2rem;max-width:500px;margin:0 auto}.converter-card{width:100%;background:var(--card-bg);border:1px solid var(--card-border);border-radius:24px;padding:2rem;box-shadow:0 10px 15px -3px #0000001a}.input-container{background:var(--history-item-bg);border:1px solid var(--card-border);border-radius:16px;padding:1rem;margin-bottom:.5rem}.input-row{display:flex;align-items:center;gap:1rem}.input-container input{flex:1;background:transparent;border:none;color:var(--text-primary);font-size:1.75rem;font-weight:600;outline:none;width:100%}.unit-selector{display:flex;align-items:center;gap:.5rem;background:var(--card-bg);border:1px solid var(--card-border);padding:.4rem .8rem;border-radius:10px;cursor:pointer;position:relative}.flag-icon{width:20px;height:15px;border-radius:2px;object-fit:cover}.input-label{font-size:.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:.5rem;display:block}.convert-btn{width:100%;padding:1rem;background:var(--accent);color:#fff;border:none;border-radius:12px;font-weight:700;font-size:1rem;cursor:pointer;margin-top:1.5rem;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s ease}.convert-btn:hover{filter:brightness(1.1)}.history-section{width:100%;background:var(--card-bg);border:1px solid var(--card-border);border-radius:20px;padding:1.5rem}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.history-title{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:8px}.clear-history-btn{background:none;border:none;color:#ef4444;font-size:.75rem;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:6px;display:flex;align-items:center;gap:4px}.clear-history-btn:hover{background:#ef44441a}.history-list{display:flex;flex-direction:column;gap:.75rem}.history-item{background:var(--history-item-bg);padding:.75rem 1rem;border-radius:12px;display:flex;justify-content:space-between;align-items:center;font-size:.9rem;animation:slideIn .3s ease forwards;position:relative;gap:12px}.delete-each-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease;opacity:.4}.history-item:hover .delete-each-btn{opacity:1}.delete-each-btn:hover{color:#ef4444;background:#ef44441a}.theme-toggle{background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-primary);width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 6px -1px #0000001a;transition:all .2s ease}.theme-toggle:hover{transform:scale(1.05);border-color:var(--accent)}.modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;display:flex;justify-content:center;align-items:center;padding:1rem}.search-modal{background:var(--card-bg);width:100%;max-width:400px;border-radius:20px;padding:1.5rem;max-height:80vh;display:flex;flex-direction:column;gap:1rem}.search-input{width:100%;background:var(--bg-color);border:1px solid var(--card-border);padding:.75rem 1rem;border-radius:12px;color:var(--text-primary);outline:none}.units-list{overflow-y:auto;display:flex;flex-direction:column;gap:4px}.unit-option{display:flex;align-items:center;gap:12px;padding:.75rem 1rem;border-radius:10px;cursor:pointer;transition:background .2s}.unit-option:hover{background:var(--history-item-bg)}.swap-button{background:var(--card-bg);border:1px solid var(--card-border);color:var(--text-secondary);width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.swap-button:hover{color:var(--accent);border-color:var(--accent);transform:rotate(180deg)}.copy-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:4px}.copy-btn:hover{color:var(--accent);background:#3b82f61a}@keyframes slideIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.animate-spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}