/*
Theme Name: howITwork
Theme URI: https://howitwork.net
Author: howITwork
Description: Practical IT guides and private in-browser file tools.
Version: 1.6.2
Requires at least: 6.4
Tested up to: 6.7
Requires PHP: 8.0
Text Domain: howitwork
*/

:root {
  --bg: #f2f5f3;
  --bg-deep: #061410;
  --ink: #0c1613;
  --muted: #5c6b66;
  --paper: #ffffff;
  --line: #d5e0db;
  --accent: #0c8a71;
  --accent-ink: #046354;
  --warm: #c45c26;
  --ok: #157a3a;
  --shadow: 0 1px 0 rgba(12, 22, 19, 0.04), 0 16px 40px rgba(6, 20, 16, 0.07);
  --sans: "Segoe UI Variable", "Segoe UI", "SF Pro Text", system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --max: 1120px;
  --read: 44rem;
  --header-h: 4.15rem;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 8% -8%, rgba(12, 138, 113, 0.11), transparent 55%),
    radial-gradient(700px 320px at 100% 0%, rgba(196, 92, 38, 0.05), transparent 50%),
    var(--bg);
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; height: auto; }

a {
  color: var(--accent-ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 40;
  background: #fff;
  color: var(--ink);
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
}

.skip-link:focus { top: 0.75rem; }

.wrap {
  width: min(var(--max), calc(100% - 1.5rem));
  margin-inline: auto;
}

@media (min-width: 720px) {
  .wrap { width: min(var(--max), calc(100% - 2.4rem)); }
}

.site-header {
  background: rgba(6, 20, 16, 0.92);
  backdrop-filter: blur(16px);
  color: #eef6f3;
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-bar {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.45rem 0;
}

.brand {
  color: #f4efe6;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -0.045em;
  font-size: 1.2rem;
}

.brand span { color: #7ee0c8; }
.brand:hover { color: #fff; }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 0;
  margin-left: auto;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: #e8f3ef;
}

.site-nav { margin-left: auto; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav a {
  color: #c9ddd7;
  text-decoration: none;
  font-size: 0.94rem;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav a:hover,
.nav .current-menu-item a {
  color: #fff;
  background: rgba(255, 255, 255, 0.09);
}

.hero,
.page-hero {
  padding: 3.2rem 0 2.2rem;
}

.hero-split {
  display: grid;
  gap: 1.6rem;
}

@media (min-width: 860px) {
  .hero-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(240px, 0.8fr);
    align-items: center;
    gap: 2.4rem;
  }
}

.hero h1,
.page-hero h1,
.entry h1 {
  font-size: clamp(1.85rem, 4.6vw, 3.15rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 0 0 0.85rem;
}

.kicker {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: rgba(12, 138, 113, 0.12);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.9rem;
}

.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 40rem;
  margin: 0 0 1.5rem;
}

.hero-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow);
}

.hero-panel-kicker {
  margin: 0 0 0.7rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.hero-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li {
  padding: 0.45rem 0;
  border-top: 1px solid var(--line);
  color: #2c3a36;
}

.hero-panel li:first-child { border-top: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 0.82rem 1.25rem;
  min-height: 46px;
  font-weight: 650;
  cursor: pointer;
  font: inherit;
}

.btn:hover { background: var(--accent-ink); color: #fff; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--accent-ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
}

.btn-ghost:hover {
  background: var(--paper);
  color: var(--accent-ink);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 1rem;
  margin: 0.5rem 0 1.6rem;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.25rem 1.3rem 1.35rem;
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.16rem;
  letter-spacing: -0.03em;
}

.card p { margin: 0 0 0.7rem; color: var(--muted); }
.card p:last-child { margin: 0; }
.card-price .price {
  margin: 0.8rem 0 0;
  color: var(--ink);
  font-weight: 750;
  font-size: 1.05rem;
}

.section { padding: 0 0 3.2rem; }
.section-alt { padding: 2.2rem 0 3.2rem; }
.section h2,
.section-alt h2 {
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.section-alt .actions { margin-top: 0.4rem; }

.prose { max-width: var(--read); }
.prose h2,
.prose h3 {
  letter-spacing: -0.03em;
  line-height: 1.25;
}
.prose h2 { margin-top: 2rem; }
.prose p,
.prose li { color: #2c2924; }
.prose ul { padding-left: 1.2rem; }
.prose code,
.guide-body code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: #e7eee9;
  padding: 0.08em 0.35em;
  border-radius: 6px;
}

.guide-body,
.prose {
  overflow-wrap: anywhere;
  overflow-x: auto;
}

.guide-body pre,
.prose pre {
  background: #0e1a17;
  color: #e9f3ef;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.5;
  -webkit-overflow-scrolling: touch;
}

.guide-body pre code,
.prose pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.note {
  background: #fff6e8;
  border-left: 4px solid var(--warm);
  padding: 0.85rem 1rem;
  border-radius: 0 12px 12px 0;
}

.site-footer {
  background: var(--bg-deep);
  color: #d5e0db;
  padding: 2.6rem 0 1.4rem;
  margin-top: 1rem;
}

.footer-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

.footer-brand {
  font-weight: 750;
  letter-spacing: -0.04em;
  font-size: 1.15rem;
  color: #f4efe6;
  margin: 0 0 0.4rem;
}

.footer-brand span { color: #7ee0c8; }
.site-footer a { color: #b7e3d8; }
.site-footer p { margin: 0.25rem 0; }
.footer-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8aa8a0;
  font-weight: 700;
}
.footer-copy {
  margin-top: 1.6rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #8aa8a0;
  font-size: 0.92rem;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.8rem;
}

.tool-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}

.tool-item dt {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tool-item dd {
  margin: 0.25rem 0 0;
  font-family: var(--mono);
  font-size: 0.95rem;
  word-break: break-word;
}

.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  max-width: 40rem;
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  font-weight: 650;
  margin: 0.8rem 0 0.3rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  font: inherit;
  padding: 0.75rem 0.8rem;
  min-height: 46px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.contact-form textarea { min-height: 9rem; resize: vertical; }
.form-note { color: var(--muted); font-size: 0.92rem; }

.howitwork-hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}

.form-banner {
  max-width: 40rem;
  margin: 0 0 1.4rem;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: 16px;
  border: 1px solid transparent;
  font-size: 1.12rem;
  line-height: 1.45;
}

.form-banner strong {
  display: block;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}

.form-banner.form-ok {
  background: #e7f6ec;
  border-color: #9dceb0;
  color: #14532d;
}

.form-banner.form-err {
  background: #fdecec;
  border-color: #e8b4b4;
  color: #7f1d1c;
}

.guide-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.guide-list li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin: 0 0 0.7rem;
}

.guide-list a {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 0.95rem 1.05rem;
}

.guide-list a:hover { color: var(--accent-ink); }
.guide-list strong { display: block; font-size: 1.05rem; }
.guide-list span { color: var(--muted); font-size: 0.95rem; }

.hire-cta {
  margin: 1.6rem 0 0;
  padding: 1rem 1.1rem;
  background: #e7f4ef;
  border: 1px solid #b7d8cc;
  border-radius: 14px;
}

.hire-cta p { margin: 0 0 0.55rem; }
.hire-cta p:last-child { margin: 0; }

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.price-table {
  width: 100%;
  min-width: 28rem;
  border-collapse: collapse;
  margin: 0.8rem 0 1.2rem;
  background: var(--paper);
  border-radius: 12px;
}

.price-table th,
.price-table td {
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  text-align: left;
}

.price-table th { background: #e8eeec; }

.privacy-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #e7f4ef;
  color: #065445;
  font-weight: 650;
  font-size: 0.88rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.drop {
  border: 1.5px dashed #9bb5ad;
  background: #f7fbf9;
  border-radius: 18px;
  padding: 1.6rem 1.2rem;
  text-align: center;
  color: var(--muted);
  margin: 0 0 1rem;
}

.drop.is-over {
  border-color: var(--accent);
  background: #e7f6f1;
}

.drop strong { color: var(--ink); display: block; margin-bottom: 0.25rem; }

.file-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.92rem;
}

.file-list li {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.75rem;
  margin: 0 0 0.4rem;
}

.workspace {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  margin: 0 0 1.6rem;
}

.status {
  min-height: 1.4em;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.6rem 0 0;
}

.status.is-err { color: #9b1c1c; font-weight: 650; }
.status.is-ok { color: var(--ok); font-weight: 650; }

.tool-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin: 0 0 1rem;
  align-items: center;
}

.tool-options label { font-weight: 650; font-size: 0.92rem; }

.tool-options input[type="text"],
.tool-options input[type="number"],
.tool-options select {
  display: block;
  margin-top: 0.25rem;
  font-weight: 500;
  min-height: 42px;
}

.qr-preview {
  margin: 0.8rem 0;
  padding: 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: inline-block;
}

.qr-preview canvas { display: block; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.7rem;
  margin: 1rem 0 0;
}

.preview-grid img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
}

.json-out {
  width: 100%;
  min-height: 14rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  padding: 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.insights { max-width: none; }
.insights-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
  margin: 0 0 1.4rem;
}
.insights-stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.insights-stat span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 650;
}
.insights-stat strong {
  display: block;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
  margin-top: 0.2rem;
}
.insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 1rem;
  margin: 0 0 1.2rem;
}
.insights-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: var(--shadow);
}
.insights-panel h2 {
  margin: 0 0 0.8rem;
  font-size: 1.05rem;
}
.insights-empty { color: var(--muted); margin: 0; }
.insights-bars { list-style: none; margin: 0; padding: 0; }
.insights-bars li {
  display: grid;
  grid-template-columns: minmax(4.5rem, 0.7fr) 1fr auto;
  gap: 0.5rem;
  align-items: center;
  margin: 0 0 0.45rem;
  font-size: 0.9rem;
}
.insights-bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.insights-bar-track {
  height: 8px;
  background: #e6eeea;
  border-radius: 99px;
  overflow: hidden;
}
.insights-bar-fill {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 99px;
}
.insights-bar-n { color: var(--muted); font-variant-numeric: tabular-nums; }
.insights-table {
  width: 100%;
  min-width: 40rem;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.insights-table th,
.insights-table td {
  text-align: left;
  padding: 0.55rem 0.45rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.insights-table th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
    padding: 0.2rem 0 0.7rem;
  }
  .site-nav.is-open { display: block; }
  .nav { flex-direction: column; }
  .nav a {
    width: 100%;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
  }
  .hero, .page-hero { padding-top: 1.8rem; }
}