:root{--bg-dark: #090e11;--navy-blue: #121e29;--emerald-primary: #10b981;--gold-accent: #f59e0b;--text-main: #f8fafc;--text-muted: #94a3b8;--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--glass-blur: blur(12px);--gradient-brand: linear-gradient(135deg, #10b981 0%, #059669 100%);--card-shadow: 0 8px 32px 0 rgba(0, 0, 0, .37);--font-heading: "Outfit", sans-serif;--font-body: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{background-color:var(--bg-dark);color:var(--text-main);font-family:var(--font-body);line-height:1.6;overflow-x:hidden;min-height:100vh}.app-container{display:flex;flex-direction:column;min-height:100vh;padding:0 5%}.navbar{display:flex;justify-content:space-between;align-items:center;padding:2rem 0}.logo{font-family:var(--font-heading);font-size:1.5rem;font-weight:800;letter-spacing:1px}.logo .accent{color:var(--emerald-primary)}.logo .badge{background:var(--gold-accent);color:#000;font-size:.7rem;padding:2px 6px;border-radius:4px;vertical-align:middle}.nav-links a{color:var(--text-muted);text-decoration:none;margin-left:2rem;font-size:.9rem;transition:color .3s}.nav-links a:hover,.nav-links a.active{color:var(--text-main)}.hero-section{text-align:center;padding:4rem 0 3rem}.hero-section h1{font-family:var(--font-heading);font-size:3.5rem;font-weight:800;margin-bottom:1rem;letter-spacing:-1px}.gradient-text{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.hero-section p{color:var(--text-muted);font-size:1.1rem;max-width:600px;margin:0 auto}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-bottom:4rem}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:24px;padding:2.5rem;box-shadow:var(--card-shadow);transition:transform .3s cubic-bezier(.175,.885,.32,1.275)}.glass-card:hover{transform:translateY(-5px)}.card-header{display:flex;align-items:center;margin-bottom:2rem}.card-header i{font-size:1.5rem;color:var(--emerald-primary);margin-right:1rem}.card-header h2{font-family:var(--font-heading);font-size:1.5rem;font-weight:700}.status-badge{margin-left:auto;background:#10b9811a;color:var(--emerald-primary);font-size:.75rem;padding:4px 12px;border-radius:20px;border:1px solid rgba(16,185,129,.2)}.drop-zone{border:2px dashed rgba(255,255,255,.1);border-radius:16px;padding:3rem;text-align:center;cursor:pointer;transition:all .3s}.drop-zone:hover,.drop-zone.active{border-color:var(--emerald-primary);background:#10b9810d}.drop-zone i{font-size:3rem;color:var(--text-muted);margin-bottom:1rem}.drop-zone span{display:block;margin-bottom:.5rem}.drop-zone .subtext{font-size:.8rem;color:var(--text-muted);margin-bottom:1.5rem}.btn{padding:12px 24px;border-radius:12px;border:none;font-family:var(--font-body);font-weight:600;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{background:var(--emerald-primary);color:#fff}.btn-secondary{background:#ffffff0d;color:var(--text-main);border:1px solid var(--glass-border)}.btn-gradient{background:var(--gradient-brand);color:#fff}.btn-full{width:100%}.btn-sm{padding:6px 12px;font-size:.75rem;border-radius:8px}.file-preview{display:flex;flex-direction:column;align-items:center;gap:.75rem;padding:1rem;background:#ffffff08;border-radius:12px;margin-top:1rem}.file-preview i{font-size:1.5rem!important;color:var(--emerald-primary)!important;margin-bottom:0!important}.file-preview span{font-size:.85rem;color:var(--text-main);word-break:break-all}.btn:disabled{opacity:.5;cursor:not-allowed}.divider{display:flex;align-items:center;text-align:center;margin:2rem 0;color:var(--text-muted);font-size:.7rem;letter-spacing:1px}.divider:before,.divider:after{content:"";flex:1;border-bottom:1px solid rgba(255,255,255,.05)}.divider span{padding:0 10px}.form-group{margin-bottom:2rem}.form-group label{display:block;font-size:.85rem;color:var(--text-muted);margin-bottom:.5rem}.form-group input{width:100%;background:#0003;border:1px solid var(--glass-border);padding:14px;border-radius:12px;color:var(--text-main);font-size:1.1rem;transition:border-color .3s}.form-group input:focus{outline:none;border-color:var(--emerald-primary)}.declaration-section{margin-top:1rem}.label-with-value{display:flex;justify-content:space-between;margin-bottom:.5rem}.slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;background:#ffffff1a;border-radius:5px;outline:none;margin:1.5rem 0}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:20px;height:20px;background:var(--emerald-primary);cursor:pointer;border-radius:50%;box-shadow:0 0 10px #10b98180}.hint{font-size:.75rem;color:var(--text-muted);font-style:italic}.results-overview{display:flex;flex-direction:column;gap:1.5rem}.result-item{display:flex;justify-content:space-between;align-items:center}.result-item .label{color:var(--text-muted)}.result-item .value{font-size:1.25rem;font-weight:700}.result-item .accent{color:var(--emerald-primary)}.tax-item{display:flex;justify-content:space-between;font-size:.9rem;margin-bottom:.75rem}.total-tax-card{background:#10b9811a;border-radius:16px;padding:1.5rem;text-align:center;border:1px solid rgba(16,185,129,.2);margin-top:1rem}.total-tax-card .total-value{display:block;font-size:2.2rem;font-weight:800;color:var(--emerald-primary);margin-top:.5rem}.action-buttons{display:grid;grid-template-columns:1fr 2fr;gap:1rem;margin-top:2rem}.footer{text-align:center;padding:4rem 0;color:var(--text-muted);font-size:.8rem;border-top:1px solid rgba(255,255,255,.05)}@media(max-width:968px){.tool-grid{grid-template-columns:1fr}.hero-section h1{font-size:2.5rem}}@media(max-width:600px){.app-container{padding:0 15px}.navbar{flex-direction:column;gap:1rem;padding:1rem 0}.nav-links a{margin:0 .5rem;font-size:.85rem}.hero-section h1{font-size:1.8rem}.hero-section p{font-size:.95rem}.glass-card{padding:1.5rem}.drop-zone{padding:1.5rem 1rem}.form-row{flex-direction:column!important;gap:0!important}.action-buttons{grid-template-columns:1fr;gap:.75rem}.total-tax-card .total-value{font-size:1.8rem}}