:root{--bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--card: #ffffff;--text: #2c3e50;--accent: #667eea;--result-bg: #f8f9fa;--button-bg: #667eea;--button-text: #fff;--border-color: #e1e8ed;--shadow: 0 8px 32px rgba(0,0,0,.1);--radius: 20px;--radius-sm: 8px;--transition: .3s ease}body.dark{--bg: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);--card: #1a1a2e;--text: #eaeaea;--accent: #6bb6ff;--result-bg: #16213e;--button-bg: #6bb6ff;--button-text: #000;--border-color: #2d3748;--shadow: 0 8px 32px rgba(0,0,0,.3)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:15px;font-size:16px;transition:background var(--transition)}.container{background:var(--card);padding:30px;border-radius:var(--radius);width:100%;max-width:500px;box-shadow:var(--shadow);transition:all var(--transition);position:relative}.toggle-dark{position:absolute;top:15px;right:15px;display:flex;gap:10px}.section{margin-bottom:25px}.section-title{color:var(--accent);font-size:1rem;font-weight:600;margin-bottom:15px;text-transform:uppercase;letter-spacing:1px}.divider{height:2px;background:var(--border-color);margin:20px 0;border-radius:2px}.footer-note{text-align:center;margin-top:30px;font-size:.65rem;opacity:.5;color:var(--text)}.input-label{display:block;color:var(--text);font-size:.75rem;font-weight:600;margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px;opacity:.7}input[type=number]{width:100%;padding:12px 14px;border:2px solid var(--border-color);border-radius:12px;font-size:1.65rem;font-weight:600;color:var(--text);background:var(--card);transition:all var(--transition);outline:none}input[type=number]:focus{border-color:var(--accent);box-shadow:0 0 0 3px #667eea1a}button{border:1px solid rgba(0,0,0,.15);font-size:16px;font-weight:600;cursor:pointer;transition:all .1s ease;outline:none}.currency-btn{background:linear-gradient(to bottom,var(--button-bg) 0%,color-mix(in srgb,var(--button-bg) 85%,black) 100%);color:var(--button-text);padding:12px 14px;font-size:1.65rem;font-weight:700;min-width:80px;border-radius:8px;border:1px solid color-mix(in srgb,var(--button-bg) 70%,black);box-shadow:0 1px #fff6 inset,0 1px 2px #0003,0 2px 4px #0000001a;text-shadow:0 1px 1px rgba(0,0,0,.15)}.currency-btn:hover{background:linear-gradient(to bottom,color-mix(in srgb,var(--button-bg) 95%,white),color-mix(in srgb,var(--button-bg) 80%,black));box-shadow:0 1px #ffffff80 inset,0 2px 3px #00000040,0 3px 6px #00000026}.currency-btn:active{background:linear-gradient(to bottom,color-mix(in srgb,var(--button-bg) 75%,black),color-mix(in srgb,var(--button-bg) 90%,black));box-shadow:0 1px 2px #0003 inset,0 1px 1px #0000001a;transform:translateY(1px)}.install-btn{padding:8px 10px;border-radius:8px;border:1px solid rgba(0,0,0,.12);background:linear-gradient(to bottom,#ffffff0f,#0000000f);color:var(--text);font-weight:700;display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:38px}.install-btn:hover{box-shadow:0 2px 6px #0000001f;transform:translateY(-1px)}.payment-row{display:flex;gap:10px;align-items:flex-end;margin-bottom:15px}.payment-row .input-group{flex:1}.converter-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:15px}.input-group{position:relative}.result-box{padding:20px;margin-top:15px;border:2px solid var(--border-color);border-radius:12px;background:var(--result-bg);opacity:.95}.result-box:hover{opacity:1;box-shadow:var(--shadow);transition:all var(--transition)}.result-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.result-item:last-child{margin-bottom:0}.result-label{color:var(--text);font-size:.75rem;font-weight:600;opacity:.7;text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:12px}.result-value{color:var(--accent);font-size:1.5rem;font-weight:300}.result-divider{display:flex;align-items:center;justify-content:center;text-align:center;margin:12px 0;color:var(--text);font-size:.875rem;font-weight:600;opacity:.5;text-transform:uppercase;letter-spacing:1px}a{cursor:pointer}@media(max-width:600px){body{padding:5px;align-items:flex-start}.container{padding:20px;margin-top:5px}.section{margin-bottom:20px}.section-title{margin-bottom:12px}.divider{margin:15px 0}.toggle-dark{top:8px;right:8px}.toggle-dark button{width:38px;height:38px;font-size:16px}}.install-floating[data-v-c1893e9e]{position:fixed;bottom:20px;left:50%;transform:translate(-50%);padding:12px 24px;background:var(--button-bg);color:var(--button-text);border:none;border-radius:25px;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #0003;z-index:1000;transition:all .3s ease}.install-floating[data-v-c1893e9e]:hover{transform:translate(-50%,-4px);box-shadow:0 8px 18px #00000040}