/* ═══════════════════════════════════════════════════════════════ CalcPro — Professional SaaS Design System Matches homepage UX/UI: light theme, Inter font, blue brand Applied to all calculator, blog, hub, and misc pages Note: Inter font is loaded via in each page's for optimal performance — no @import needed here. ═══════════════════════════════════════════════════════════════ */ /* ── CSS Variables ─────────────────────────────────────────── */ :root { --bg: #FAFAFA; --surface: #FFFFFF; --surface-2: #F5F7FA; --brand: #2563EB; --brand-light: #EFF6FF; --brand-dim: #DBEAFE; --accent: #14B8A6; --accent-light: #F0FDFA; --text-1: #0F172A; --text-2: #475569; --text-3: #5B6B85; --border: #E5E7EB; --border-focus: #2563EB; --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px; --radius-xl: 20px; --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04); --shadow-md: 0 4px 16px rgba(15,23,42,0.06), 0 2px 6px rgba(15,23,42,0.04); --shadow-lg: 0 8px 32px rgba(15,23,42,0.08), 0 4px 12px rgba(15,23,42,0.04); --transition: 0.2s ease; --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; } /* ── Reset ─────────────────────────────────────────────────── */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { scroll-behavior: smooth; } body { background: var(--bg); color: var(--text-1); font-family: var(--font); font-size: 16px; line-height: 1.7; min-height: 100vh; -webkit-font-smoothing: antialiased; } /* ── Skip Link ─────────────────────────────────────────────── */ .skip-link { position: absolute; top: -40px; left: 0; background: var(--brand); color: #fff; padding: 8px 16px; border-radius: 0 0 var(--radius-sm) 0; font-weight: 600; text-decoration: none; z-index: 9999; transition: top var(--transition); } .skip-link:focus { top: 0; } /* ── Header / Nav ──────────────────────────────────────────── */ header[role="banner"] { background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; padding: 0 24px; } header nav { max-width: 1160px; margin: 0 auto; display: flex; align-items: center; gap: 32px; height: 60px; } header nav a[aria-label] { flex-shrink: 0; } header nav img { display: block; height: 36px; width: auto; } header nav ul { display: flex; list-style: none; gap: 2px; margin-left: auto; } header nav ul a { color: var(--text-2); text-decoration: none; font-size: 13px; font-weight: 500; padding: 6px 12px; border-radius: var(--radius-sm); transition: all var(--transition); } header nav ul a:hover, header nav ul a[aria-current="page"] { color: var(--brand); background: var(--brand-light); } /* ── Breadcrumb ────────────────────────────────────────────── */ .breadcrumb { background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 24px; } .breadcrumb ol { max-width: 1160px; margin: 0 auto; display: flex; align-items: center; gap: 8px; list-style: none; font-size: 13px; } .breadcrumb a { color: var(--brand); text-decoration: none; } .breadcrumb a:hover { text-decoration: underline; } .breadcrumb [aria-current="page"] { color: var(--text-2); } .breadcrumb [aria-hidden] { color: var(--text-3); } /* ── Main Layout ───────────────────────────────────────────── */ main { max-width: 900px; margin: 0 auto; padding: 32px 24px 64px; } /* ── Ad Slots ──────────────────────────────────────────────── */ .ad-slot { margin: 24px 0; min-height: 90px; background: var(--surface-2); border-radius: var(--radius-md); border: 1px dashed var(--border); display: flex; align-items: center; justify-content: center; } /* ── Page Header ───────────────────────────────────────────── */ .page-header { margin-bottom: 28px; } .page-header h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 800; color: var(--text-1); letter-spacing: -0.025em; line-height: 1.2; margin-bottom: 6px; } .last-updated { font-size: 13px; color: var(--text-3); } /* ── Calculator Card ───────────────────────────────────────── */ .calc-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; margin-bottom: 28px; box-shadow: var(--shadow-md); position: relative; overflow: hidden; } .calc-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--brand), var(--accent)); } .calc-notice { color: var(--text-2); font-size: 14px; margin-bottom: 20px; } .calc-inputs { display: flex; flex-direction: column; gap: 16px; } /* Input Grid */ .input-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; } .input-group { display: flex; flex-direction: column; } /* Inputs */ input, select { background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-md); color: var(--text-1); font-family: var(--font); font-size: 15px; padding: 11px 14px; width: 100%; transition: border-color var(--transition), box-shadow var(--transition); } input:focus, select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); } input::placeholder { color: var(--text-3); } label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 6px; letter-spacing: 0.01em; } /* ── Buttons ───────────────────────────────────────────────── */ .btn { border: none; border-radius: var(--radius-md); cursor: pointer; font-family: var(--font); font-size: 14px; font-weight: 600; padding: 11px 28px; transition: all var(--transition); display: inline-flex; align-items: center; gap: 8px; } .btn--primary { background: var(--brand); color: #fff; box-shadow: 0 1px 3px rgba(37,99,235,0.3); } .btn--primary:hover { background: #1d4ed8; box-shadow: 0 4px 12px rgba(37,99,235,0.4); transform: translateY(-1px); } .btn--secondary { background: var(--surface); color: var(--text-2); border: 1.5px solid var(--border); } .btn--secondary:hover { border-color: var(--brand-dim); color: var(--brand); background: var(--brand-light); } .btn + .btn { margin-left: 10px; } /* ── Result Box ────────────────────────────────────────────── */ .result-box { margin-top: 20px; background: var(--brand-light); border: 1.5px solid var(--brand-dim); border-radius: var(--radius-lg); padding: 22px 24px; animation: fadeIn 0.3s ease; } .result-box[hidden] { display: none; } .result-box h3 { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); margin-bottom: 10px; } .result-primary { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; } .result-secondary { font-size: 14px; color: var(--text-2); margin-top: 6px; } @keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } } /* ── SEO Content ───────────────────────────────────────────── */ .seo-content h2 { font-size: 1.15rem; font-weight: 700; color: var(--text-1); letter-spacing: -0.015em; margin: 36px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); } .seo-content h2:first-child { margin-top: 0; } .seo-content p { color: var(--text-2); margin-bottom: 14px; } .seo-content ul, .seo-content ol { padding-left: 20px; margin-bottom: 14px; } .seo-content li { color: var(--text-2); margin-bottom: 6px; } .seo-content strong { color: var(--text-1); font-weight: 600; } .seo-content code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-family: 'Courier New', monospace; font-size: 13px; color: var(--brand); } .seo-content a { color: var(--brand); text-decoration: none; } .seo-content a:hover { text-decoration: underline; } /* Formula table */ .formula-table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; } .formula-table td { padding: 10px 14px; border: 1px solid var(--border); color: var(--text-2); } .formula-table tr:first-child td { background: var(--surface-2); font-weight: 600; color: var(--text-1); } /* ── FAQ (details/summary) ─────────────────────────────────── */ details { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 8px; background: var(--surface); overflow: hidden; transition: border-color var(--transition); } details[open] { border-color: var(--brand-dim); } summary { padding: 14px 18px; cursor: pointer; list-style: none; font-size: 14.5px; font-weight: 600; color: var(--text-1); transition: background var(--transition), color var(--transition); } summary::-webkit-details-marker { display: none; } summary::before { content: '+ '; color: var(--brand); font-weight: 700; } details[open] summary::before { content: '− '; } details[open] summary { background: var(--brand-light); color: var(--brand); } summary:hover { background: var(--brand-light); } details p { padding: 0 18px 16px; font-size: 14px; color: var(--text-2); margin: 0; border-top: 1px solid var(--brand-dim); background: var(--brand-light); padding-top: 14px; } /* ── Disclaimer ────────────────────────────────────────────── */ .disclaimer { background: #FFFBEB; border: 1px solid #FDE68A; border-radius: var(--radius-md); padding: 16px 20px; margin: 24px 0; font-size: 14px; } .disclaimer strong { color: #92400E; } .disclaimer p { color: #78350F; margin: 0; } /* ── Author Section ────────────────────────────────────────── */ .author-section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin: 32px 0; box-shadow: var(--shadow-sm); } .author-section h2 { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; border: none; padding: 0; } .author-card h3 { font-size: 15px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; } .author-card p { font-size: 14px; color: var(--text-2); margin-bottom: 6px; } .author-card strong { color: var(--text-1); } /* Blog author bio box */ .author-bio-box { display: flex; gap: 20px; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin: 32px 0; box-shadow: var(--shadow-sm); } .author-bio-avatar { border-radius: 50%; border: 2px solid var(--brand-dim); flex-shrink: 0; } .author-bio-box h3 { font-size: 15px; font-weight: 700; color: var(--text-1); margin-bottom: 8px; } .author-bio-box p { font-size: 14px; color: var(--text-2); margin-bottom: 8px; } .author-credentials-list { padding-left: 16px; margin-bottom: 8px; } .author-credentials-list li { font-size: 13px; color: var(--text-2); margin-bottom: 4px; } .author-bio-box a { color: var(--brand); text-decoration: none; font-size: 13px; } .author-bio-box a:hover { text-decoration: underline; } /* ── Related Calculators ───────────────────────────────────── */ .related-calculators { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 24px; margin: 32px 0; box-shadow: var(--shadow-sm); } .related-calculators h2, .related-posts h2 { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 16px; border: none; padding: 0; } .related-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px; } .related-list li a { display: block; padding: 10px 14px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--text-2); text-decoration: none; font-size: 14px; font-weight: 500; transition: all var(--transition); } .related-list li a:hover { border-color: var(--brand-dim); color: var(--brand); background: var(--brand-light); } /* ── Internal Links Note ───────────────────────────────────── */ .internal-links-note { font-size: 14px; color: var(--text-2); margin-top: 12px; } .internal-links-note a { color: var(--brand); text-decoration: none; } .internal-links-note a:hover { text-decoration: underline; } /* Blog CTA box */ .blog-cta-box, .blog-tool-link { background: var(--brand-light); border: 1px solid var(--brand-dim); border-radius: var(--radius-md); padding: 16px 20px; margin: 24px 0; font-size: 15px; } .blog-cta-box a, .blog-tool-link a { color: var(--brand); font-weight: 600; text-decoration: none; } .blog-cta-box a:hover, .blog-tool-link a:hover { text-decoration: underline; } /* Blog link pill */ .blog-link { display: inline-block; margin-bottom: 24px; background: var(--brand-light); border: 1px solid var(--brand-dim); border-radius: var(--radius-xl); padding: 8px 18px; color: var(--brand); text-decoration: none; font-size: 14px; font-weight: 500; transition: all var(--transition); } .blog-link:hover { background: var(--brand-dim); } /* ── Blog Header ───────────────────────────────────────────── */ .blog-header { margin-bottom: 32px; } .blog-category-tag { display: inline-block; margin-bottom: 12px; background: var(--brand-light); border: 1px solid var(--brand-dim); border-radius: var(--radius-sm); padding: 4px 12px; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); } .blog-header h1 { font-size: clamp(1.4rem, 3.5vw, 2.1rem); font-weight: 800; color: var(--text-1); line-height: 1.25; margin-bottom: 20px; letter-spacing: -0.025em; } .article-meta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 16px; } .author-meta { display: flex; align-items: center; gap: 12px; } .author-avatar { border-radius: 50%; border: 2px solid var(--brand-dim); } .author-name { display: block; font-weight: 600; font-size: 14px; color: var(--text-1); } .author-name a { color: var(--brand); text-decoration: none; } .author-credentials { display: block; font-size: 12px; color: var(--text-3); margin-top: 2px; } .article-dates { font-size: 12px; color: var(--text-3); display: flex; flex-direction: column; gap: 4px; } .editorial-badge { display: inline-flex; align-items: center; gap: 6px; background: #F0FDF4; border: 1px solid #BBF7D0; border-radius: var(--radius-sm); padding: 6px 12px; margin-top: 12px; font-size: 12px; color: #15803D; font-weight: 500; } .blog-intro p { font-size: 16px; color: var(--text-2); line-height: 1.8; margin-bottom: 24px; } .blog-body section { margin-bottom: 32px; } .blog-body h2 { font-size: 1.15rem; font-weight: 700; color: var(--text-1); letter-spacing: -0.015em; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); } .blog-body p { color: var(--text-2); margin-bottom: 12px; } .blog-body code { background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-size: 13px; color: var(--brand); } /* Editorial policy box */ .editorial-policy { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px 20px; margin: 24px 0; font-size: 14px; } .editorial-policy h3 { font-size: 13px; color: var(--text-2); margin-bottom: 6px; letter-spacing: 0.05em; text-transform: uppercase; font-weight: 600; } .editorial-policy p { color: var(--text-3); margin: 0; } .editorial-policy a { color: var(--brand); text-decoration: none; } .editorial-policy a:hover { text-decoration: underline; } /* ── Hub Pages ─────────────────────────────────────────────── */ .hub-header { margin-bottom: 40px; text-align: center; padding: 40px 0; } .hub-header h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: var(--text-1); letter-spacing: -0.03em; margin-bottom: 12px; } .hub-desc { font-size: 16px; color: var(--text-2); max-width: 600px; margin: 0 auto 12px; } .hub-count { font-size: 13px; color: var(--text-3); } .hub-calc-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; margin-bottom: 48px; } .hub-calc-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px 20px; display: flex; flex-direction: column; gap: 8px; transition: border-color var(--transition), box-shadow var(--transition); box-shadow: var(--shadow-sm); } .hub-calc-item:hover { border-color: var(--brand-dim); box-shadow: var(--shadow-md); } .hub-calc-link { text-decoration: none; display: flex; justify-content: space-between; align-items: center; } .hub-calc-name { font-weight: 600; font-size: 15px; color: var(--text-1); } .hub-calc-tag { font-size: 11px; color: var(--brand); background: var(--brand-light); padding: 3px 8px; border-radius: var(--radius-sm); font-weight: 600; } .hub-blog-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; font-size: 13px; font-weight: 600; color: var(--brand); text-decoration: none; background: var(--brand-light); border: 1px solid var(--brand-dim); border-radius: var(--radius-sm); padding: 5px 12px; transition: all var(--transition); } .hub-blog-link:hover { background: var(--brand-dim); text-decoration: none; } /* EEAT grid */ .hub-eeat { margin: 48px 0; } .hub-eeat h2 { font-size: 1.1rem; font-weight: 700; color: var(--text-1); margin-bottom: 24px; } .eeat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 14px; } .eeat-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; box-shadow: var(--shadow-sm); } .eeat-item h3 { font-size: 14px; color: var(--brand); margin-bottom: 8px; font-weight: 700; } .eeat-item p { font-size: 13px; color: var(--text-2); margin: 0; } /* Cross links */ .hub-cross-links { margin: 32px 0; } .hub-cross-links h2 { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 12px; } .hub-cross-links ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; } .hub-cross-links a { color: var(--brand); text-decoration: none; font-size: 14px; padding: 6px 14px; border: 1px solid var(--brand-dim); border-radius: var(--radius-xl); background: var(--brand-light); transition: all var(--transition); font-weight: 500; } .hub-cross-links a:hover { background: var(--brand-dim); } /* ── Related Posts ─────────────────────────────────────────── */ .related-posts { margin: 24px 0; } .related-posts .related-list li { margin-bottom: 0; } .related-posts .related-list li a { font-size: 13px; } /* ── Footer ────────────────────────────────────────────────── */ footer[role="contentinfo"] { background: var(--surface); border-top: 1px solid var(--border); text-align: center; padding: 28px 24px; margin-top: 48px; } footer p { font-size: 13px; color: var(--text-3); margin-bottom: 8px; } footer nav { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; } footer nav a { color: var(--text-3); text-decoration: none; font-size: 13px; margin: 0; padding: 4px 10px; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition); } footer nav a:hover { color: var(--brand); background: var(--brand-light); } footer nav span { color: var(--border); padding: 4px 0; } /* ── Utility ───────────────────────────────────────────────── */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; } /* ── Focus Styles ──────────────────────────────────────────── */ *:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 3px; } *:focus:not(:focus-visible) { outline: none; } a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; box-shadow: 0 0 0 4px rgba(37,99,235,0.12); } /* ── Section Chrome (hub/blog pages) ───────────────────────── */ .section-wrap { padding: 0 0 64px; } .section-header { margin-bottom: 32px; } .section-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); margin-bottom: 8px; } .section-title { font-size: clamp(1.2rem, 2.5vw, 1.6rem); font-weight: 700; color: var(--text-1); letter-spacing: -0.025em; line-height: 1.25; margin-bottom: 8px; } .section-sub { font-size: 14px; color: var(--text-2); line-height: 1.6; } .section-divider { width: 32px; height: 2px; background: var(--brand); border-radius: 2px; margin: 0 0 14px; } .section-header.center .section-divider { margin: 0 auto 16px; } /* ── Print Styles ──────────────────────────────────────────── */ @media print { body { background: #fff !important; color: #000 !important; font-family: Georgia, serif; font-size: 12pt; } header, footer, nav, .ad-slot, ins.adsbygoogle, .btn, .skip-link, [aria-hidden="true"] { display: none !important; } main { max-width: 100% !important; padding: 0 !important; margin: 0 !important; } h1, h2, h3 { color: #000 !important; font-family: Georgia, serif; page-break-after: avoid; } .calc-card, .result-box { background: #fff !important; border: 1px solid #ccc !important; box-shadow: none !important; page-break-inside: avoid; } a { color: #000 !important; text-decoration: underline; } @page { margin: 2cm; } } /* ── Responsive ────────────────────────────────────────────── */ @media (max-width: 768px) { main { padding: 20px 16px 48px; } /* Nav — horizontal scroll strip on mobile */ header[role="banner"] { padding: 0 12px; } header nav { gap: 12px; height: auto; min-height: 52px; flex-wrap: nowrap; padding: 6px 0; } header nav ul { display: flex; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; gap: 2px; margin-left: 0; padding-bottom: 2px; } header nav ul::-webkit-scrollbar { display: none; } header nav ul a { white-space: nowrap; font-size: 12px; padding: 5px 10px; } header nav img { height: 28px; } .author-bio-box { flex-direction: column; } .eeat-grid { grid-template-columns: 1fr 1fr; } .article-meta { flex-direction: column; align-items: flex-start; } .input-grid { grid-template-columns: 1fr; } } @media (max-width: 480px) { .eeat-grid { grid-template-columns: 1fr; } .related-list { grid-template-columns: 1fr; } .input-grid { grid-template-columns: 1fr; } } /* ── Read Guide Banner ─────────────────────────────────────── */ .read-guide-banner { display: flex; align-items: center; gap: 16px; background: linear-gradient(135deg, var(--brand-light) 0%, var(--accent-light) 100%); border: 1.5px solid var(--brand-dim); border-radius: var(--radius-lg); padding: 18px 22px; margin: 20px 0 24px; text-decoration: none; transition: all var(--transition); box-shadow: var(--shadow-sm); } .read-guide-banner:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-1px); } .read-guide-banner__icon { flex-shrink: 0; width: 44px; height: 44px; background: var(--brand); border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; color: #fff; } .read-guide-banner__text { flex: 1; display: flex; flex-direction: column; gap: 3px; } .read-guide-banner__label { font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brand); } .read-guide-banner__title { font-size: 14px; font-weight: 600; color: var(--text-1); line-height: 1.4; } .read-guide-banner__cta { flex-shrink: 0; font-size: 13px; font-weight: 700; color: var(--brand); white-space: nowrap; } @media (max-width: 560px) { .read-guide-banner { flex-wrap: wrap; } .read-guide-banner__cta { width: 100%; text-align: right; } } /* ── Mobile Touch Targets & UX ──────────────────────────────── */ @media (max-width: 768px) { /* Ensure all interactive elements meet 44px minimum touch target */ .btn { min-height: 44px; padding: 12px 24px; font-size: 15px; } input[type="number"], input[type="text"], input[type="email"], select, textarea { min-height: 44px; font-size: 16px; /* prevents iOS auto-zoom */ } .input-group label { font-size: 14px; margin-bottom: 6px; } /* Breadcrumb wrapping on mobile */ .breadcrumb ol { flex-wrap: wrap; gap: 4px; } /* Calculator card padding on mobile */ .calc-card { padding: 20px 16px; } .seo-content { padding: 20px 16px; } } @media (max-width: 480px) { .btn + .btn { margin-left: 0; margin-top: 8px; } .result-box { padding: 16px; } h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; } } /* ── Focus States (Keyboard Navigation) ─────────────────────── */ :focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; } button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; } /* ═══════════════════════════════════════════════════════════════ GLOBAL CURRENCY SWITCHER ═══════════════════════════════════════════════════════════════ */ .currency-switcher-bar { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-md); padding: 10px 16px; margin-bottom: 20px; flex-wrap: wrap; } .currency-switcher-bar label { font-size: 12px; font-weight: 700; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.06em; margin: 0; white-space: nowrap; } .currency-switcher-select { background: var(--surface-2); border: 1.5px solid var(--border); border-radius: var(--radius-sm); color: var(--text-1); font-family: var(--font); font-size: 13px; font-weight: 600; padding: 6px 32px 6px 10px; cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; transition: border-color var(--transition); width: auto; } .currency-switcher-select:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); } .currency-active-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--brand-light); border: 1px solid var(--brand-dim); border-radius: var(--radius-xl); padding: 4px 12px; font-size: 12px; font-weight: 700; color: var(--brand); } .currency-active-badge .currency-flag-sm { font-size: 14px; } /* ═══════════════════════════════════════════════════════════════ HOMEPAGE — TABBED CALCULATOR SLIDER ═══════════════════════════════════════════════════════════════ */ /* Tab buttons */ .hp-calc-tabs { display: flex; gap: 4px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 3px; } .hp-calc-tab { padding: 5px 16px; font-size: 12px; font-weight: 600; font-family: var(--font); color: var(--text-2); background: transparent; border: none; border-radius: var(--radius-sm); cursor: pointer; transition: all 0.18s; letter-spacing: 0.01em; } .hp-calc-tab.active { background: var(--surface); color: var(--brand); box-shadow: var(--shadow-sm); } .hp-calc-tab:hover:not(.active) { color: var(--text-1); background: var(--surface); } /* Slider wrapper — clips overflow */ .hp-calc-slider-wrap { overflow: hidden; border-radius: 0 0 var(--radius-lg) var(--radius-lg); } /* Slider track — holds both panes side by side */ .hp-calc-slider { display: flex; width: 200%; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1); } .hp-calc-slider.show-sci { transform: translateX(-50%); } /* Each pane takes exactly half the slider (= 100% of panel) */ .hp-calc-pane { width: 50%; flex-shrink: 0; } /* Scientific display expression line */ .sci-expr-display { font-size: 11px; color: var(--text-3); text-align: right; padding: 0 2px 6px; min-height: 16px; font-family: 'Courier New', monospace; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } /* ═══════════════════════════════════════════════════════════════ PHASE 3 — Dark Theme Applied via [data-theme="dark"] on All original light values preserved in :root above ═══════════════════════════════════════════════════════════════ */ [data-theme="dark"] { --bg: #0f172a; --surface: #1e293b; --surface-2: #1e293b; --brand: #3b82f6; --brand-light: #172554; --brand-dim: #1e3a5f; --accent: #2dd4bf; --accent-light: #0d3330; --text-1: #f1f5f9; --text-2: #94a3b8; --text-3: #94A3B8; --border: #334155; --border-focus: #3b82f6; --shadow-sm: 0 1px 3px rgba(0,0,0,.4), 0 1px 2px rgba(0,0,0,.3); --shadow-md: 0 4px 16px rgba(0,0,0,.4), 0 2px 6px rgba(0,0,0,.3); --shadow-lg: 0 8px 32px rgba(0,0,0,.5), 0 4px 12px rgba(0,0,0,.3); } /* Dark theme body + transitions */ body { transition: background var(--transition), color var(--transition); } [data-theme="dark"] body { background: var(--bg); color: var(--text-1); } /* Header dark */ [data-theme="dark"] header[role="banner"] { background: rgba(30,41,59,0.95); border-bottom-color: var(--border); } /* Cards / surfaces dark */ [data-theme="dark"] .calc-card, [data-theme="dark"] .seo-content, [data-theme="dark"] .result-box, [data-theme="dark"] .ad-slot, [data-theme="dark"] details, [data-theme="dark"] .author-card, [data-theme="dark"] .related-calculators { background: var(--surface); border-color: var(--border); } /* Inputs dark */ [data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea { background: #0f172a; color: var(--text-1); border-color: var(--border); } [data-theme="dark"] input:focus, [data-theme="dark"] select:focus, [data-theme="dark"] textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(59,130,246,.2); } /* Labels + text dark */ [data-theme="dark"] label, [data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3, [data-theme="dark"] h4 { color: var(--text-1); } [data-theme="dark"] p, [data-theme="dark"] li, [data-theme="dark"] td, [data-theme="dark"] .text-secondary { color: var(--text-2); } /* Result box dark */ [data-theme="dark"] .result-box { background: var(--brand-dim); border-color: var(--brand); } [data-theme="dark"] #result-primary, [data-theme="dark"] .result-primary { color: #bfdbfe; } /* Disclaimer dark */ [data-theme="dark"] .disclaimer, [data-theme="dark"] aside.disclaimer { background: #2d1e06; border-left-color: #b45309; color: #fde68a; } /* Tables dark */ [data-theme="dark"] table { border-color: var(--border); } [data-theme="dark"] th { background: #1e3a5f; color: #bfdbfe; } [data-theme="dark"] td { border-color: var(--border); color: var(--text-2); } [data-theme="dark"] tr:nth-child(even) td { background: rgba(255,255,255,.03); } /* Details/FAQ dark */ [data-theme="dark"] summary { color: var(--text-1); } [data-theme="dark"] details[open] summary { color: var(--brand); } [data-theme="dark"] details p { color: var(--text-2); } /* Breadcrumb dark */ [data-theme="dark"] .breadcrumb { background: var(--bg); border-bottom-color: var(--border); } [data-theme="dark"] .breadcrumb a { color: var(--text-2); } [data-theme="dark"] .breadcrumb li[aria-current="page"] { color: var(--text-1); } /* Footer dark */ [data-theme="dark"] footer[role="contentinfo"] { background: #020617; color: #64748b; } [data-theme="dark"] footer a { color: #475569; } [data-theme="dark"] footer a:hover { color: #94a3b8; } /* Links dark */ [data-theme="dark"] a { color: #60a5fa; } [data-theme="dark"] a:hover { color: #93c5fd; } /* Buttons dark */ [data-theme="dark"] .btn--secondary, [data-theme="dark"] button.btn--secondary { background: #334155; color: var(--text-2); } [data-theme="dark"] .btn--secondary:hover { background: #475569; color: var(--text-1); } /* Related list dark */ [data-theme="dark"] .related-list a, [data-theme="dark"] .related-calculators a { background: #0f172a; border-color: var(--border); color: #60a5fa; } [data-theme="dark"] .related-list a:hover, [data-theme="dark"] .related-calculators a:hover { background: var(--brand); color: #fff; border-color: var(--brand); } /* Category hub cards dark */ [data-theme="dark"] .hub-card, [data-theme="dark"] .calc-item, [data-theme="dark"] .blog-card { background: var(--surface); border-color: var(--border); } [data-theme="dark"] .hub-card:hover, [data-theme="dark"] .calc-item:hover { border-color: var(--brand); } /* Code blocks dark */ [data-theme="dark"] code, [data-theme="dark"] pre { background: #0f172a; color: #a78bfa; border-color: var(--border); } /* Tag / badge dark */ [data-theme="dark"] .tag, [data-theme="dark"] .badge { background: var(--brand-dim); color: #bfdbfe; } /* ── Dark theme toggle button ─────────────────────────────── */ .theme-toggle-btn { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; background: none; border: 1.5px solid var(--border); border-radius: 999px; padding: 5px 12px 5px 8px; font-size: 13px; font-weight: 500; color: var(--text-2); font-family: var(--font); transition: background var(--transition), border-color var(--transition), color var(--transition); white-space: nowrap; } .theme-toggle-btn:hover { background: var(--surface-2); border-color: var(--brand); color: var(--text-1); } .theme-toggle-btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; } .theme-toggle-btn .toggle-track { width: 36px; height: 20px; background: var(--border); border-radius: 999px; position: relative; transition: background var(--transition); flex-shrink: 0; } [data-theme="dark"] .theme-toggle-btn .toggle-track { background: var(--brand); } .theme-toggle-btn .toggle-thumb { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; background: #fff; border-radius: 50%; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: left var(--transition); font-size: 10px; display: flex; align-items: center; justify-content: center; } [data-theme="dark"] .theme-toggle-btn .toggle-thumb { left: calc(36px - 18px); } /* ── Reduced motion ──────────────────────────────────────── */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } } /* ── Nav right (toggle placement fix) ─────────────────────── */ header nav .nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; flex-shrink: 0; } header nav ul { margin-left: 0 !important; } /* ── Blog References Section ─────────────────────────────────── */ .references-section { margin: 2rem 0 1rem; padding: 1.25rem 1.5rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); } .references-section h2 { font-size: 1rem; font-weight: 600; margin: 0 0 0.75rem; color: var(--text); } .references-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; } .references-list li { font-size: 0.875rem; color: var(--text-muted); line-height: 1.5; } .references-list a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; } .references-list a:hover { opacity: 0.8; }