:root{--bg-main:#0b0f19;--bg-card:#151c2c;--bg-input:#1e283d;--border-color:#2a364f;--primary:#3b82f6;--primary-hover:#2563eb;--primary-glow:#3b82f640;--accent:#06b6d4;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-label:#cbd5e1;--card-shadow:0 10px 30px -5px #00000080}[data-theme=light]{--bg-main:#f8fafc;--bg-card:#fff;--bg-input:#f1f5f9;--border-color:#cbd5e1;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-glow:#2563eb33;--accent:#0284c7;--text-main:#0f172a;--text-muted:#64748b;--text-label:#334155;--card-shadow:0 10px 25px -5px #0000000f}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}html,body{background-color:var(--bg-main);width:100%;max-width:100vw;color:var(--text-main);min-height:100vh;line-height:1.5;transition:background-color .3s,color .3s;overflow-x:hidden}body{background-image:radial-gradient(at 20% 20%,#3b82f614 0,#0000 50%),radial-gradient(at 80% 80%,#06b6d414 0,#0000 50%)}.site-nav{background:var(--bg-card);border-bottom:1px solid var(--border-color);z-index:100;width:100%;transition:background-color .3s,border-color .3s;position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;gap:12px;max-width:1120px;margin:0 auto;padding:12px 16px;display:flex}.brand-logo{color:var(--text-main);letter-spacing:-.02em;flex-shrink:0;align-items:center;gap:8px;font-size:1.15rem;font-weight:700;text-decoration:none;display:flex}.brand-logo .highlight-text{color:var(--accent)}.logo-icon{flex-shrink:0}.nav-links{align-items:center;gap:14px;display:flex}.nav-link{color:var(--text-muted);white-space:nowrap;font-size:.875rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--primary)}.container{box-sizing:border-box;width:100%;max-width:1120px;margin:0 auto;padding:24px 16px}.portal-hero{text-align:center;margin-bottom:32px}.portal-hero h1{margin-top:10px;margin-bottom:10px;font-size:clamp(1.6rem,5vw,2.5rem);font-weight:800;line-height:1.2}.portal-hero p{color:var(--text-muted);max-width:680px;margin:0 auto;font-size:clamp(.9rem,2.5vw,1.05rem)}.tools-directory-section{margin-bottom:40px}.section-title{margin-bottom:20px}.section-title h2{font-size:1.35rem;font-weight:700}.section-title p{color:var(--text-muted);font-size:.875rem}.tools-portal-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;display:grid}.portal-card{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--card-shadow);color:var(--text-main);border-radius:16px;flex-direction:column;justify-content:space-between;padding:20px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex}.portal-card.active:hover{border-color:var(--primary);box-shadow:0 12px 28px -6px var(--primary-glow);transform:translateY(-3px)}.portal-card.coming-soon{opacity:.8}.card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.card-icon{font-size:1.5rem}.status-badge{border-radius:12px;padding:2px 10px;font-size:.725rem;font-weight:600}.status-badge.active{color:#4ade80;background:#22c55e26;border:1px solid #22c55e4d}.status-badge.soon{color:var(--text-muted);border:1px solid var(--border-color);background:#9ca3af26}.portal-card h3{color:var(--text-main);margin-bottom:8px;font-size:1.1rem;font-weight:700}.portal-card p{color:var(--text-muted);margin-bottom:16px;font-size:.85rem;line-height:1.45}.card-action{color:var(--primary);font-size:.85rem;font-weight:600}header{text-align:center;width:100%;margin-bottom:24px}.header-top{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;width:100%;margin-bottom:12px;display:flex}.badge{color:var(--accent);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;background:#06b6d41f;border:1px solid #06b6d44d;border-radius:20px;padding:4px 12px;font-size:.75rem;font-weight:600;display:inline-block}.theme-toggle-btn{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-main);cursor:pointer;white-space:nowrap;border-radius:20px;flex-shrink:0;justify-content:center;align-items:center;gap:6px;width:auto;min-height:34px;padding:6px 14px;font-size:.8rem;font-weight:500;transition:all .2s;display:inline-flex}.theme-toggle-btn:hover{border-color:var(--primary);transform:translateY(-1px)}.theme-icon{font-size:1rem;line-height:1}header h1{color:var(--text-main);word-wrap:break-word;margin-bottom:8px;font-size:clamp(1.4rem,4.5vw,2.25rem);font-weight:700;line-height:1.25}header p{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:clamp(.85rem,2.5vw,1rem)}.card{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--card-shadow);box-sizing:border-box;border-radius:16px;width:100%;margin-bottom:28px;padding:24px;transition:background-color .3s,border-color .3s}.full-width{width:100%;margin-bottom:20px}.grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;width:100%;display:grid}.input-group{flex-direction:column;width:100%;display:flex}.input-group label{color:var(--text-label);margin-bottom:6px;font-size:.875rem;font-weight:600}.input-with-unit{gap:8px;width:100%;max-width:100%;display:flex}.input-with-unit input{flex:55%;min-width:0}.input-with-unit select{text-overflow:ellipsis;white-space:nowrap;flex:0 0 45%;min-width:0;max-width:45%;overflow:hidden}.input-group input,.input-group select{background:var(--bg-input);border:1px solid var(--border-color);color:var(--text-main);box-sizing:border-box;border-radius:10px;width:100%;min-height:46px;padding:12px;font-size:16px;transition:all .2s}.input-group select{cursor:pointer}.input-group input:focus,.input-group select:focus,.unit-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow);outline:none}button#calculateBtn{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);color:#fff;cursor:pointer;box-sizing:border-box;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:48px;margin-top:20px;padding:14px 20px;font-size:1rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 4px 14px #3b82f659}button#calculateBtn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #3b82f673}button#calculateBtn:active{transform:translateY(1px)}.results-header{width:100%;margin-bottom:16px}.results-header h2{color:var(--text-main);font-size:1.2rem;font-weight:600}.results-header .subtitle{color:var(--text-muted);margin-top:2px;font-size:.825rem}.results{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px;width:100%;display:grid}.result-card{background:var(--bg-card);border:1px solid var(--border-color);box-shadow:var(--card-shadow);box-sizing:border-box;border-radius:14px;flex-direction:column;justify-content:space-between;width:100%;padding:16px;transition:transform .2s,border-color .2s,background-color .3s;display:flex;overflow:hidden}.result-card:hover{border-color:#3b82f666;transform:translateY(-2px)}.result-card span{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;word-break:break-word;margin-bottom:8px;font-size:.775rem;font-weight:600}.result-card h2{color:var(--text-main);word-break:break-word;overflow-wrap:anywhere;margin-bottom:8px;font-size:clamp(1.15rem,3.5vw,1.45rem);font-weight:700}.static-label{color:var(--accent);font-size:.775rem;font-weight:500}.unit-select{background:var(--bg-input);border:1px solid var(--border-color);color:var(--accent);cursor:pointer;text-overflow:ellipsis;box-sizing:border-box;border-radius:8px;width:100%;max-width:100%;min-height:36px;margin-top:4px;padding:6px 8px;font-size:.8rem;font-weight:500;transition:all .2s}.unit-select:hover{border-color:var(--accent)}.result-card.highlight{background:linear-gradient(145deg, var(--bg-card) 0%, #06b6d40d 100%);border-color:#06b6d466}.result-card.highlight h2{color:var(--accent)}.result-card.key-metric{background:linear-gradient(145deg, var(--bg-card) 0%, #3b82f614 100%);border-color:#3b82f680}.result-card.key-metric h2{color:var(--primary)}.site-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border-color);margin-top:40px;padding:30px 0 10px;font-size:.85rem}@media (width<=600px){.theme-toggle-btn{border-radius:16px;min-height:32px;padding:6px 10px}.theme-toggle-btn .theme-text{display:none}}@media (width<=768px){.container{padding:16px 12px}.tools-portal-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.card{border-radius:14px;padding:18px 14px}.results{grid-template-columns:repeat(auto-fill,minmax(155px,1fr));gap:12px}.result-card{border-radius:12px;padding:14px 10px}.result-card h2{font-size:1.2rem}}@media (width<=480px){.nav-container{gap:8px;padding:10px}.brand-logo{font-size:1rem}.nav-links{gap:8px}.nav-link{font-size:.775rem}.tools-portal-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr;gap:12px}.input-with-unit{gap:6px}.input-with-unit select{flex:0 0 45%;max-width:45%;padding-left:6px;padding-right:6px;font-size:13px}.results{grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:8px}.result-card{padding:10px 8px}.result-card span{letter-spacing:.02em;font-size:.68rem}.result-card h2{font-size:1.05rem}.unit-select{min-height:32px;padding:4px;font-size:.725rem}}@media (width<=340px){.results{grid-template-columns:1fr}}