:root{--bg: #0A0F1E;--surface: #111827;--surface2: #1F2937;--surface3: #374151;--border: rgba(255,255,255,.08);--border-bright: rgba(255,255,255,.15);--text: #F9FAFB;--text-muted: #9CA3AF;--text-dim: #4B5563;--blue: #3B82F6;--blue-dark: #1D4ED8;--blue-glow: 0 0 20px rgba(59,130,246,.4);--blue-soft: rgba(59,130,246,.1);--emerald: #10B981;--emerald-soft: rgba(16,185,129,.1);--amber: #F59E0B;--amber-soft: rgba(245,158,11,.1);--red: #EF4444;--red-soft: rgba(239,68,68,.1);--purple: #8B5CF6;--purple-soft: rgba(139,92,246,.1);--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0,0,0,.4)}[data-theme=light]{--bg: #F8FAFC;--surface: #FFFFFF;--surface2: #F1F5F9;--surface3: #E2E8F0;--border: rgba(0,0,0,.08);--border-bright: rgba(0,0,0,.15);--text: #0F172A;--text-muted: #64748B;--text-dim: #94A3B8;--blue-soft: rgba(59,130,246,.08);--emerald-soft: rgba(16,185,129,.08);--amber-soft: rgba(245,158,11,.08);--red-soft: rgba(239,68,68,.08);--purple-soft: rgba(139,92,246,.08);--shadow: 0 4px 24px rgba(0,0,0,.08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}#app{max-width:1200px;margin:0 auto;padding:0 1rem}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:3px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}.card-sm{padding:1rem}.card-glass{background:#ffffff08;backdrop-filter:blur(12px);border:1px solid var(--border-bright)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.375rem;padding:.5rem 1.25rem;border-radius:var(--radius-sm);border:none;font-weight:600;font-size:.875rem;cursor:pointer;transition:all .15s;text-decoration:none;letter-spacing:.01em;white-space:nowrap}.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--blue-glow)}.btn-primary:hover{background:var(--blue-dark)}.btn-emerald{background:var(--emerald);color:#fff}.btn-emerald:hover{background:#059669}.btn-ghost{background:var(--surface2);color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{border-color:var(--border-bright);color:var(--text)}.btn-danger{background:var(--red-soft);color:var(--red);border:1px solid rgba(239,68,68,.3)}.btn-sm{padding:.35rem .875rem;font-size:.8125rem}.btn-block{width:100%}.form-group{margin-bottom:1rem}.form-label{display:block;font-size:.75rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.375rem}.form-input,.form-select{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.5rem .875rem;color:var(--text);font-size:.9375rem;outline:none;transition:border-color .15s,box-shadow .15s;font-family:inherit}.form-input:focus,.form-select:focus{border-color:var(--blue);box-shadow:0 0 0 3px #3b82f626}.form-input::placeholder{color:var(--text-dim)}.form-input.mono{font-family:JetBrains Mono,Fira Code,monospace;font-size:1rem}.form-select option{background:var(--surface2);color:var(--text)}.input-prefix{display:flex;align-items:center}.input-prefix-label{background:var(--surface3);border:1px solid var(--border);border-right:none;border-radius:var(--radius-sm) 0 0 var(--radius-sm);padding:.5rem .75rem;font-size:.875rem;color:var(--text-muted);font-weight:600;white-space:nowrap}.input-prefix .form-input{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.result-row{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border);font-size:.9375rem}.result-row:last-child{border-bottom:none}.result-label{color:var(--text-muted);font-size:.8125rem;font-weight:500}.result-val{font-weight:700;font-size:1.1rem;font-variant-numeric:tabular-nums}.result-val.highlight{color:var(--blue);font-size:1.25rem}.result-val.profit{color:var(--emerald)}.result-val.loss{color:var(--red)}.result-val.warning{color:var(--amber)}.stat-grid{display:grid;gap:.75rem}.stat-grid-2{grid-template-columns:1fr 1fr}.stat-grid-3{grid-template-columns:repeat(3,1fr)}.stat-grid-4{grid-template-columns:repeat(4,1fr)}.stat-box{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem;text-align:center}.stat-val{font-size:1.75rem;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.stat-label{font-size:.6875rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-top:.25rem}.tab-bar{display:flex;gap:.25rem;background:var(--surface2);border-radius:var(--radius);padding:4px;margin-bottom:1.5rem;overflow-x:auto;scrollbar-width:none}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{flex-shrink:0;padding:.5rem 1rem;border-radius:var(--radius-sm);border:none;cursor:pointer;font-size:.875rem;font-weight:600;color:var(--text-muted);background:transparent;transition:all .15s;white-space:nowrap}.tab-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.section-title{font-size:1rem;font-weight:700;display:flex;align-items:center;gap:.5rem}.section-icon{width:28px;height:28px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.875rem}.divider{border:none;border-top:1px solid var(--border);margin:1.25rem 0}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:.6875rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.badge-blue{background:var(--blue-soft);color:var(--blue);border:1px solid rgba(59,130,246,.3)}.badge-emerald{background:var(--emerald-soft);color:var(--emerald);border:1px solid rgba(16,185,129,.3)}.badge-red{background:var(--red-soft);color:var(--red);border:1px solid rgba(239,68,68,.3)}.badge-amber{background:var(--amber-soft);color:var(--amber);border:1px solid rgba(245,158,11,.3)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;display:flex;align-items:flex-start;gap:.5rem}.alert-success{background:var(--emerald-soft);color:#6ee7b7;border:1px solid rgba(16,185,129,.3)}.alert-warning{background:var(--amber-soft);color:#fcd34d;border:1px solid rgba(245,158,11,.3)}.alert-danger{background:var(--red-soft);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.alert-info{background:var(--blue-soft);color:#93c5fd;border:1px solid rgba(59,130,246,.3)}.tip{font-size:.75rem;color:var(--text-dim);margin-top:.25rem}.progress-bar{height:8px;background:var(--surface3);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px;transition:width .4s ease}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;background:var(--surface3);border-radius:12px;cursor:pointer;transition:.2s}.slider:before{content:"";position:absolute;width:18px;height:18px;border-radius:50%;background:#fff;top:3px;left:3px;transition:.2s}input:checked+.slider{background:var(--blue)}input:checked+.slider:before{transform:translate(20px)}.app-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;margin-bottom:1.5rem;border-bottom:1px solid var(--border)}.app-logo{display:flex;align-items:center;gap:.75rem}.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--blue),var(--purple));border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.25rem}.app-title{font-size:1.125rem;font-weight:800;background:linear-gradient(135deg,var(--blue),var(--emerald));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:.02em}.app-subtitle{font-size:.6875rem;color:var(--text-muted);letter-spacing:.08em;text-transform:uppercase}.currency-row{display:flex;align-items:center;gap:.875rem;padding:.875rem 1rem;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.5rem}.currency-code{font-weight:800;font-size:.9375rem;width:40px}.currency-name{flex:1;font-size:.875rem;color:var(--text-muted)}.currency-rate{font-weight:700;font-variant-numeric:tabular-nums}.saved-card{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.625rem;cursor:pointer;transition:border-color .15s}.saved-card:hover{border-color:var(--blue)}.saved-card-title{font-weight:700;margin-bottom:.2rem}.saved-card-meta{font-size:.8125rem;color:var(--text-muted)}@media print{.no-print{display:none!important}body{background:#fff!important;color:#000!important}.card{border:1px solid #ccc!important;background:#fff!important;break-inside:avoid}.print-header{display:block!important}.result-val{color:#000!important}.result-val.profit{color:#059669!important}.result-val.loss{color:#dc2626!important}}.print-header{display:none}@media(max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}.stat-grid-3,.stat-grid-4{grid-template-columns:1fr 1fr}.app-header{flex-wrap:wrap;gap:.75rem}.tab-bar{margin-left:-1rem;margin-right:-1rem;padding-left:1rem;padding-right:1rem;border-radius:0}}@media(max-width:480px){.stat-grid-3,.stat-grid-4,.stat-grid-2{grid-template-columns:1fr 1fr}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .2s ease}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.loading{animation:pulse 1.5s infinite}