/* ─── Klyrify CSS — mobile-first, clean, fast ─────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg2: #f8f9fa;
  --bg3: #f1f3f5;
  --text: #111827;
  --text-muted: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: #eef2ff;
  --success: #10b981;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-w: 1140px;
  --header-h: 60px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827; --bg2: #1f2937; --bg3: #374151;
    --text: #f9fafb; --text-muted: #9ca3af; --text-light: #6b7280;
    --border: #374151; --accent: #818cf8; --accent-hover: #6366f1;
    --accent-light: #1e1b4b; --success-light: #064e3b; --danger-light: #7f1d1d;
    --shadow: 0 1px 3px rgba(0,0,0,.3); --shadow-md: 0 4px 12px rgba(0,0,0,.3);
  }
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Layout ────────────────────────────────────────────────────── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 64px 0; }
.section-alt { background: var(--bg2); }
.section-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 32px; letter-spacing: -.02em; }
.section-header { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; }
.see-all { font-size: .9rem; color: var(--accent); }

/* ─── Header ────────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); height: var(--header-h);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(17,24,39,.92); }
}
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 32px; }
.logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.logo svg { flex-shrink: 0; }
.main-nav { display: flex; gap: 24px; margin-left: auto; }
.main-nav a { color: var(--text-muted); font-size: .95rem; font-weight: 500; }
.main-nav a:hover { color: var(--text); text-decoration: none; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; margin-left: auto; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .2s; }
.mobile-nav { display: none; flex-direction: column; padding: 16px 20px; border-top: 1px solid var(--border); background: var(--bg); }
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 10px 0; color: var(--text); font-weight: 500; border-bottom: 1px solid var(--border); }

@media (max-width: 640px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .site-header { height: auto; }
  .header-inner { height: var(--header-h); }
}

/* ─── Hero ──────────────────────────────────────────────────────── */
.hero { padding: 80px 0 72px; text-align: center; background: linear-gradient(to bottom, var(--accent-light), var(--bg)); }
.hero h1 { font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 800; line-height: 1.2; letter-spacing: -.03em; max-width: 700px; margin: 0 auto 20px; }
.hero .accent { color: var(--accent); }
.hero-sub { font-size: 1.15rem; color: var(--text-muted); max-width: 560px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─── Buttons ───────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; padding: 12px 24px; border-radius: var(--radius); font-weight: 600; font-size: .95rem; transition: .15s; cursor: pointer; border: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--bg3); text-decoration: none; }

/* ─── Calculator cards (homepage) ───────────────────────────────── */
.calc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 16px; }
.calc-card { display: flex; flex-direction: column; padding: 24px; background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius); transition: .15s; }
.calc-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); text-decoration: none; transform: translateY(-1px); }
.calc-icon { font-size: 1.75rem; margin-bottom: 10px; }
.calc-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.calc-card p { font-size: .875rem; color: var(--text-muted); flex: 1; }
.calc-link { margin-top: 12px; font-size: .875rem; font-weight: 600; color: var(--accent); }

/* ─── Features ──────────────────────────────────────────────────── */
.features-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); gap: 24px; }
.feature { padding: 24px; background: var(--bg); border-radius: var(--radius); border: 1px solid var(--border); }
.feature-icon { font-size: 1.75rem; margin-bottom: 12px; }
.feature h3 { font-weight: 700; margin-bottom: 8px; }
.feature p { font-size: .9rem; color: var(--text-muted); }

/* ─── Article cards ─────────────────────────────────────────────── */
.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr)); gap: 24px; }
.article-card { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: .15s; }
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.article-img-wrap img { width: 100%; height: 180px; object-fit: cover; }
.article-body { padding: 20px; }
.article-cat { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.article-body h3 { margin: 6px 0 8px; font-size: 1rem; }
.article-body h3 a { color: var(--text); }
.article-body h3 a:hover { color: var(--accent); text-decoration: none; }
.article-body p { font-size: .875rem; color: var(--text-muted); margin-bottom: 10px; }
.article-body time { font-size: .8rem; color: var(--text-light); }

/* ─── Calculator page ───────────────────────────────────────────── */
.calc-page { padding: 32px 0 80px; }
.breadcrumb { font-size: .85rem; color: var(--text-muted); margin-bottom: 24px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.calc-layout { display: grid; grid-template-columns: 1fr 240px; gap: 40px; align-items: start; }
@media (max-width: 768px) { .calc-layout { grid-template-columns: 1fr; } .calc-sidebar { order: -1; } }
.calc-main h1 { font-size: 1.75rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -.02em; }
.calc-desc { color: var(--text-muted); margin-bottom: 28px; }
.calc-widget { background: var(--bg2); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 28px; margin-bottom: 20px; }
.calc-form { display: flex; flex-direction: column; gap: 20px; }
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field label { font-size: .875rem; font-weight: 600; color: var(--text); }
.calc-field input[type="number"] { padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 1rem; transition: .15s; width: 100%; }
.calc-field input[type="number"]:focus { outline: none; border-color: var(--accent); }
.calc-field input[type="range"] { width: 100%; accent-color: var(--accent); }
.calc-field span { font-size: .875rem; font-weight: 700; color: var(--accent); }
.calc-results { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 12px; margin-top: 20px; }
.result-card { background: var(--bg); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 16px; }
.result-card.result-primary { border-color: var(--accent); background: var(--accent-light); }
.result-card.result-success { border-color: var(--success); background: var(--success-light); }
.result-card.result-danger { border-color: var(--danger); background: var(--danger-light); }
.result-label { font-size: .75rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.result-value { font-size: 1.2rem; font-weight: 800; color: var(--text); letter-spacing: -.02em; }
.calc-chart { margin-top: 20px; opacity: .85; }
.share-box { display: flex; align-items: center; gap: 10px; margin-top: 16px; flex-wrap: wrap; font-size: .875rem; color: var(--text-muted); }
.share-box input { flex: 1; min-width: 200px; padding: 8px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: .8rem; }
.share-box button { padding: 8px 16px; background: var(--accent); color: #fff; border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; font-size: .875rem; }
.calc-sidebar .sidebar-box { background: var(--bg2); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 20px; position: sticky; top: calc(var(--header-h) + 20px); }
.sidebar-box h3 { font-size: .9rem; font-weight: 700; margin-bottom: 12px; }
.sidebar-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sidebar-links a { font-size: .875rem; color: var(--text-muted); }
.sidebar-links a:hover { color: var(--accent); }

/* Net worth two-column form */
.nw-form { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 480px) { .nw-form { grid-template-columns: 1fr; } }
.nw-head { font-size: .9rem; font-weight: 700; margin-bottom: 12px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }

/* Debt rows */
.debt-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 8px; margin-bottom: 10px; }
@media (max-width: 600px) { .debt-row { grid-template-columns: 1fr 1fr; } }
.debt-row input { padding: 8px 10px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: .875rem; }

/* ─── Calculator index ───────────────────────────────────────────── */
.calcs-page { padding: 48px 0 80px; }
.calcs-page h1 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; }
.calcs-page .subtitle { color: var(--text-muted); margin-bottom: 40px; }

/* ─── Blog ──────────────────────────────────────────────────────── */
.blog-page { padding: 48px 0 80px; }
.blog-header { margin-bottom: 40px; }
.blog-header h1 { font-size: 2rem; font-weight: 800; }
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 48px; }
.pagination a, .pagination span { padding: 8px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: .875rem; }
.pagination a:hover { border-color: var(--accent); text-decoration: none; }
.pagination .current { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ─── Article page ──────────────────────────────────────────────── */
.article-page { padding: 40px 0 80px; }
.article-page .breadcrumb { margin-bottom: 20px; }
.article-hero img { width: 100%; max-height: 460px; object-fit: cover; border-radius: var(--radius); margin-bottom: 32px; }
.article-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.article-meta time { font-size: .875rem; color: var(--text-muted); }
.article-meta .cat-badge { font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; background: var(--accent-light); color: var(--accent); padding: 3px 10px; border-radius: 20px; }
.article-title { font-size: clamp(1.5rem, 4vw, 2.2rem); font-weight: 800; line-height: 1.2; letter-spacing: -.02em; margin-bottom: 12px; }
.article-excerpt { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 32px; }
.article-layout { display: grid; grid-template-columns: 1fr 240px; gap: 56px; align-items: start; }
@media (max-width: 768px) { .article-layout { grid-template-columns: 1fr; } }

/* ─── Prose (article content) ───────────────────────────────────── */
.prose { max-width: 720px; }
.prose h2 { font-size: 1.4rem; font-weight: 700; margin: 2em 0 .75em; letter-spacing: -.02em; }
.prose h3 { font-size: 1.15rem; font-weight: 700; margin: 1.5em 0 .5em; }
.prose p { margin-bottom: 1em; line-height: 1.75; }
.prose ul, .prose ol { margin: 1em 0 1em 1.5em; }
.prose li { margin-bottom: .4em; line-height: 1.7; }
.prose strong { font-weight: 700; }
.prose a { color: var(--accent); }
.prose details { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 16px; margin: .75em 0; }
.prose summary { font-weight: 600; cursor: pointer; }
.prose details[open] summary { margin-bottom: 8px; }
.prose blockquote { border-left: 3px solid var(--accent); padding-left: 16px; color: var(--text-muted); margin: 1.5em 0; }
.prose code { background: var(--bg3); padding: 2px 6px; border-radius: 4px; font-size: .9em; }
.prose pre { background: var(--bg3); padding: 16px; border-radius: var(--radius-sm); overflow-x: auto; margin: 1.5em 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; }
.prose .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5em 0; }
.prose .table-wrap table { margin: 0; }
.prose th, .prose td { padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
.prose th { background: var(--bg2); font-weight: 700; }

/* Calc page prose (full width, below calculator) */
.calc-content { margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--border); }
.calc-content.prose { max-width: 100%; }

/* ─── Related articles ───────────────────────────────────────────── */
.related-section { margin-top: 64px; }
.related-section h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: 20px; }

/* ─── Admin ──────────────────────────────────────────────────────── */
.admin-wrap { min-height: 100vh; background: var(--bg2); }
.admin-header { background: var(--bg); border-bottom: 1px solid var(--border); padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; }
.admin-header .logo { font-size: 1rem; }
.admin-nav a { font-size: .875rem; color: var(--text-muted); margin-left: 20px; }
.admin-content { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
.admin-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px,1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.stat-card .stat-val { font-size: 2rem; font-weight: 800; color: var(--accent); }
.stat-card .stat-lbl { font-size: .85rem; color: var(--text-muted); }
.admin-table { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: .875rem; }
.admin-table th { background: var(--bg2); font-weight: 700; color: var(--text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
.admin-table tr:last-child td { border-bottom: none; }
.badge-pub { background: var(--success-light); color: var(--success); padding: 2px 8px; border-radius: 20px; font-size: .75rem; font-weight: 700; }
.badge-draft { background: var(--bg3); color: var(--text-muted); padding: 2px 8px; border-radius: 20px; font-size: .75rem; font-weight: 700; }
.btn-sm { padding: 6px 12px; font-size: .8rem; border-radius: var(--radius-sm); }
.btn-danger { background: var(--danger); color: #fff; }

/* Admin editor */
.editor-wrap { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1/-1; }
.form-field label { font-size: .85rem; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text); font-size: .95rem; font-family: var(--font);
  transition: .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 400px; font-family: 'Menlo', 'Monaco', monospace; font-size: .875rem; }
.form-hint { font-size: .8rem; color: var(--text-muted); }
.form-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; align-items: center; }
.pub-toggle { display: flex; align-items: center; gap: 8px; font-size: .9rem; }

/* Login */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg2); }
.login-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; width: 100%; max-width: 380px; }
.login-box h1 { font-size: 1.4rem; font-weight: 800; margin-bottom: 24px; }
.login-error { background: var(--danger-light); color: var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); font-size: .875rem; margin-bottom: 16px; }

/* ─── Footer ─────────────────────────────────────────────────────── */
.site-footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .logo { margin-bottom: 10px; }
.footer-brand p { font-size: .875rem; color: var(--text-muted); line-height: 1.6; max-width: 260px; }
.footer-col h4 { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: .875rem; color: var(--text-muted); transition: color .15s; }
.footer-col a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; }
.footer-bottom p { font-size: .8rem; color: var(--text-light); }

/* ─── About / Privacy / simple pages ────────────────────────────── */
.simple-page { padding: 48px 0 80px; max-width: 720px; }
.simple-page h1 { font-size: 2rem; font-weight: 800; margin-bottom: 24px; }

/* ─── Calculators index ─────────────────────────────────────────── */
.calcs-index { padding: 48px 0 80px; }
.calcs-index h1 { font-size: 2rem; font-weight: 800; margin-bottom: 10px; }
.calcs-subtitle { color: var(--text-muted); margin-bottom: 40px; font-size: 1.05rem; }

/* ─── 404 ────────────────────────────────────────────────────────── */
.not-found { padding: 80px 0; text-align: center; }
.not-found h1 { font-size: 4rem; font-weight: 900; color: var(--accent); }
.not-found p { color: var(--text-muted); margin: 12px 0 28px; }