/* =========================================================
   The Dodo Play — global stylesheet
   Design system: CSS custom properties, light/dark themes
   ========================================================= */

:root {
  --color-bg: #f7f9fb;
  --color-surface: #ffffff;
  --color-surface-alt: #eef2f6;
  --color-border: #e1e6ec;
  --color-text: #1c2430;
  --color-text-muted: #5a6472;
  --color-text-faint: #8891a0;
  --color-primary: #0f6e5c;
  --color-primary-dark: #0b5346;
  --color-primary-contrast: #ffffff;
  --color-accent: #e08a2c;
  --color-danger: #c0392b;
  --color-success: #1e8f5f;
  --color-link: #0f6e5c;
  --shadow-sm: 0 1px 2px rgba(20, 30, 40, 0.06);
  --shadow-md: 0 4px 14px rgba(20, 30, 40, 0.08);
  --shadow-lg: 0 10px 30px rgba(20, 30, 40, 0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --max-width: 1120px;
  --header-height: 64px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

:root[data-theme="dark"] {
  --color-bg: #0f1417;
  --color-surface: #171d22;
  --color-surface-alt: #1f262c;
  --color-border: #2a333b;
  --color-text: #eef2f5;
  --color-text-muted: #a9b3bd;
  --color-text-faint: #78828d;
  --color-primary: #2bb599;
  --color-primary-dark: #1f8c76;
  --color-primary-contrast: #06110e;
  --color-accent: #f0a94e;
  --color-link: #3fcaac;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #0f1417;
    --color-surface: #171d22;
    --color-surface-alt: #1f262c;
    --color-border: #2a333b;
    --color-text: #eef2f5;
    --color-text-muted: #a9b3bd;
    --color-text-faint: #78828d;
    --color-primary: #2bb599;
    --color-primary-dark: #1f8c76;
    --color-primary-contrast: #06110e;
    --color-accent: #f0a94e;
    --color-link: #3fcaac;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color .2s ease, color .2s ease;
}
img, canvas, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; margin: 0 0 .6em; }
h1 { font-size: clamp(1.7rem, 1.4rem + 1.4vw, 2.4rem); }
h2 { font-size: clamp(1.3rem, 1.15rem + .8vw, 1.7rem); margin-top: 2em; }
h3 { font-size: 1.15rem; margin-top: 1.5em; }
p { margin: 0 0 1em; color: var(--color-text); }
ul, ol { padding-left: 1.4em; }
code { font-family: var(--font-mono); background: var(--color-surface-alt); padding: .15em .4em; border-radius: 4px; font-size: .9em; }
pre { background: var(--color-surface-alt); padding: 1em; border-radius: var(--radius-md); overflow-x: auto; }
hr { border: none; border-top: 1px solid var(--color-border); margin: 2.5em 0; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
@media (max-width: 480px) { .container { padding: 0 14px; } }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--color-primary); color: #fff;
  padding: .6em 1em; z-index: 200; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding-left: env(safe-area-inset-left); padding-right: env(safe-area-inset-right);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height); gap: 10px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 1.2rem; color: var(--color-text); min-width: 0; flex-shrink: 1; }
.brand .brand-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.brand .logo-mark { font-size: 1.5rem; }
.brand .brand-name span { color: var(--color-primary); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav ul { list-style: none; display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; }
.main-nav a, .main-nav button.nav-link {
  display: inline-block; padding: .55em .85em; border-radius: var(--radius-sm);
  color: var(--color-text); font-weight: 600; font-size: .95rem; background: none; border: none;
  cursor: pointer; font-family: inherit;
}
.main-nav a:hover, .main-nav button.nav-link:hover { background: var(--color-surface-alt); text-decoration: none; }
.main-nav a.active { color: var(--color-primary); }

.has-dropdown { position: relative; }
.dropdown-panel {
  display: none; position: absolute; top: 100%; left: 0; margin-top: 6px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 14px; min-width: 560px; grid-template-columns: repeat(3, 1fr); gap: 4px 18px;
}
.has-dropdown:hover .dropdown-panel,
.has-dropdown:focus-within .dropdown-panel { display: grid; }
.dropdown-panel .col-title {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--color-text-faint);
  margin: 10px 0 4px; font-weight: 700;
}
.dropdown-panel a { display: block; padding: .3em 0; font-weight: 500; font-size: .92rem; border-radius: 0; }

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: 50%; border: 1px solid var(--color-border); background: var(--color-surface);
  color: var(--color-text); cursor: pointer; font-size: 1rem; flex-shrink: 0;
}
.icon-btn:hover { background: var(--color-surface-alt); }

.nav-toggle { display: none; }
.header-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

body.nav-open { overflow: hidden; position: fixed; width: 100%; }

@media (max-width: 880px) {
  .main-nav { position: fixed; inset: var(--header-height) 0 0 0; background: var(--color-surface);
    flex-direction: column; align-items: stretch; padding: 10px 16px calc(16px + env(safe-area-inset-bottom)); overflow-y: auto;
    transform: translateX(100%); transition: transform .25s ease; -webkit-overflow-scrolling: touch;
    z-index: 90; visibility: hidden; }
  .main-nav.open { transform: translateX(0); visibility: visible; z-index: 310; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav a, .main-nav button.nav-link { width: 100%; padding: 1em .5em; border-bottom: 1px solid var(--color-border); border-radius: 0; font-size: 1rem; }
  .dropdown-panel { position: static; display: none; box-shadow: none; border: none; min-width: 0; grid-template-columns: 1fr; padding: 0 0 0 12px; }
  .has-dropdown.open .dropdown-panel { display: grid; }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
    border-radius: var(--radius-sm); border: 1px solid var(--color-border); background: var(--color-surface);
    font-size: 1.3rem; cursor: pointer; flex-shrink: 0;
  }
}

@media (max-width: 400px) {
  .brand { font-size: 1.02rem; gap: 6px; }
  .brand .logo-mark { font-size: 1.25rem; }
  .site-header .container { gap: 6px; }
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: .85rem; color: var(--color-text-faint); margin: 18px 0 6px; }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb .sep { margin: 0 6px; }

/* ---------- Layout blocks ---------- */
main { min-height: 60vh; }
.page-head { padding: 28px 0 6px; }
.lede { font-size: 1.08rem; color: var(--color-text-muted); max-width: 70ch; }

.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); padding: 24px;
}
.section { margin: 34px 0; }
.tool-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 28px; align-items: start; }
@media (max-width: 900px) { .tool-layout { grid-template-columns: 1fr; } .sidebar-card { position: static; } }

.sidebar-card { position: sticky; top: calc(var(--header-height) + 16px); }
.sidebar-card h3 { margin-top: 0; font-size: 1rem; }
.sidebar-card ul { list-style: none; padding: 0; margin: 0; }
.sidebar-card li { border-bottom: 1px solid var(--color-border); }
.sidebar-card li:last-child { border-bottom: none; }
.sidebar-card a { display: block; padding: .55em 0; font-size: .93rem; }

/* ---------- Forms / tool widgets ---------- */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 6px; }
.field .hint { font-size: .78rem; color: var(--color-text-faint); margin-top: 4px; }
input[type="text"], input[type="number"], input[type="date"], input[type="search"],
input[type="email"], select, textarea {
  width: 100%; padding: .65em .8em; border-radius: var(--radius-sm); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text); font-size: 1rem; font-family: inherit;
}
textarea { resize: vertical; min-height: 140px; font-family: var(--font-mono); font-size: 1rem; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--color-primary); outline-offset: 1px; }
input[type="range"] { width: 100%; display: block; height: 36px; accent-color: var(--color-primary); }
.field-row { display: flex; gap: 12px; flex-wrap: wrap; }
.field-row .field { flex: 1; min-width: 140px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; font-size: .92rem; }
.checkbox-row input { width: auto; }
.radio-group { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
.radio-group label { display: flex; align-items: center; gap: 6px; font-size: .9rem; font-weight: 500; }
.radio-group input { width: auto; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: .7em 1.3em; border-radius: var(--radius-sm); border: 1px solid transparent;
  background: var(--color-primary); color: var(--color-primary-contrast); font-weight: 700;
  font-size: .96rem; cursor: pointer; font-family: inherit; min-height: 44px;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn.btn-secondary { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }
.btn.btn-secondary:hover { background: var(--color-surface-alt); }
.btn.btn-sm { padding: .4em .8em; font-size: .82rem; min-height: 38px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0; }

/* Larger tap targets on actual touchscreens (not desktop mice) */
@media (hover: none) and (pointer: coarse) {
  .btn.btn-sm { min-height: 44px; padding: .55em 1em; }
  .checkbox-row, .radio-group label { min-height: 30px; }
  .dropdown-panel a { padding: .55em 0; }
  a, button, input, select, summary { -webkit-tap-highlight-color: rgba(15, 110, 92, 0.15); }
}

.result-box {
  background: var(--color-surface-alt); border: 1px dashed var(--color-border); border-radius: var(--radius-md);
  padding: 18px; margin-top: 18px;
}
.result-box.is-empty { color: var(--color-text-faint); font-style: italic; }
.result-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.result-stat .label { font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-faint); }
.result-stat .value { font-size: 1.4rem; font-weight: 800; color: var(--color-primary); }
.result-stat .value.small { font-size: 1.1rem; }
.error-msg { color: var(--color-danger); font-weight: 600; font-size: .9rem; margin-top: 10px; }
.copy-wrap { position: relative; }
.copy-feedback { font-size: .8rem; color: var(--color-success); margin-left: 8px; display: none; }
.copy-feedback.show { display: inline; }

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1em 0; }
table.data-table { width: 100%; min-width: 480px; border-collapse: collapse; font-size: .9rem; }
table.data-table th, table.data-table td { text-align: left; padding: .5em .6em; border-bottom: 1px solid var(--color-border); }
table.data-table th { color: var(--color-text-faint); font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; }

/* diff / mono output */
.diff-output { font-family: var(--font-mono); font-size: .85rem; white-space: pre-wrap; word-break: break-word; }
.diff-add { background: rgba(30,143,95,.18); }
.diff-del { background: rgba(192,57,43,.18); text-decoration: line-through; }

/* ---------- How-to / FAQ ---------- */
.steps { counter-reset: step; list-style: none; padding: 0; }
.steps li { counter-increment: step; position: relative; padding-left: 46px; margin-bottom: 18px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 32px; height: 32px;
  background: var(--color-primary); color: var(--color-primary-contrast); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .9rem;
}
.faq details {
  border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 10px; background: var(--color-surface);
}
.faq summary {
  cursor: pointer; padding: 14px 18px; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 10px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.3rem; color: var(--color-primary); flex-shrink: 0; }
.faq details[open] summary::after { content: "\2212"; }
.faq .faq-a { padding: 0 18px 16px; color: var(--color-text-muted); margin: 0; }

/* ---------- Tool / blog / category grids ---------- */
.tool-grid, .blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.tool-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 18px; display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow-sm);
}
.tool-card:hover { border-color: var(--color-primary); text-decoration: none; box-shadow: var(--shadow-md); }
.tool-card .emoji { font-size: 1.6rem; }
.tool-card h3 { margin: 0; font-size: 1.02rem; color: var(--color-text); }
.tool-card p { margin: 0; font-size: .86rem; color: var(--color-text-muted); }
.category-label {
  display: inline-block; font-size: .7rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--color-primary); font-weight: 800; margin-bottom: 4px;
}

.blog-card img, .blog-card .thumb {
  border-radius: var(--radius-md) var(--radius-md) 0 0; aspect-ratio: 16/9; object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}
.blog-card { padding: 0; overflow: hidden; }
.blog-card .thumb { display: flex; align-items: center; justify-content: center; font-size: 2.4rem; }
.blog-card .body { padding: 16px; }
.blog-card .meta { font-size: .76rem; color: var(--color-text-faint); margin-bottom: 6px; }
.article-body h2 { scroll-margin-top: 90px; }
.article-body img { border-radius: var(--radius-md); }
.article-meta { font-size: .85rem; color: var(--color-text-faint); margin-bottom: 22px; }

/* ---------- Hero (home) ---------- */
.hero { padding: 54px 0 34px; text-align: center; }
.hero h1 { margin-bottom: .4em; }
.hero .lede { margin: 0 auto 26px; }
.search-box { max-width: 520px; margin: 0 auto; position: relative; }
.search-box input { padding: .85em 1em; font-size: 1rem; border-radius: 999px; }
.stats-row { display: flex; justify-content: center; gap: 34px; margin-top: 30px; flex-wrap: wrap; }
.stats-row .stat { text-align: center; }
.stats-row .stat .num { font-size: 1.7rem; font-weight: 800; color: var(--color-primary); }
.stats-row .stat .lbl { font-size: .78rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: .04em; }

.category-band { margin: 10px 0 30px; }
.category-band h2 { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 6px 14px; }
.category-band h2 a { font-size: .8rem; font-weight: 700; white-space: nowrap; }

/* ---------- Ad slot placeholders ----------
   No ad code is rendered until AdSense approval + publisher ID exist.
   These are visual placeholders (visible only in dev) marking where
   <ins class="adsbygoogle"> units will be inserted later. */
.ad-slot {
  display: none;
}
[data-dev-ads="1"] .ad-slot {
  display: flex; align-items: center; justify-content: center; min-height: 90px;
  border: 1px dashed var(--color-border); border-radius: var(--radius-md); color: var(--color-text-faint);
  font-size: .78rem; margin: 24px 0; background: var(--color-surface-alt);
}

/* ---------- Cookie consent banner ---------- */
.cookie-consent {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 300;
  background: var(--color-surface); border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: 16px 20px calc(16px + env(safe-area-inset-bottom));
  transform: translateY(110%); transition: transform .3s ease;
}
.cookie-consent.show { transform: translateY(0); }
.cookie-consent .container { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; max-width: var(--max-width); }
.cookie-consent p { margin: 0; font-size: .87rem; color: var(--color-text-muted); max-width: 62ch; flex: 1 1 260px; }
.cookie-consent p a { font-weight: 600; }
.cookie-consent .btn-row { margin: 0; flex-shrink: 0; flex-wrap: nowrap; }
@media (max-width: 480px) {
  .cookie-consent .btn-row { width: 100%; }
  .cookie-consent .btn-row .btn { flex: 1; }
}

/* ---------- Search ---------- */
.search-box form { display: flex; gap: 8px; }
.search-box input[type="search"] { flex: 1; min-width: 0; }
.search-box button { flex-shrink: 0; }
.search-no-results { text-align: center; padding: 40px 20px; color: var(--color-text-faint); display: none; }
.search-no-results.show { display: block; }
.tool-card.search-hidden, .category-band.search-hidden { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-surface); border-top: 1px solid var(--color-border); margin-top: 60px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; padding: 44px 0 24px;
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--color-text-faint); margin-bottom: 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { font-size: .89rem; color: var(--color-text-muted); }
.footer-brand p { font-size: .88rem; color: var(--color-text-muted); max-width: 30ch; }
.footer-bottom {
  border-top: 1px solid var(--color-border); padding: 16px 0 30px; display: flex; justify-content: space-between;
  flex-wrap: wrap; gap: 10px; font-size: .8rem; color: var(--color-text-faint);
}
.footer-bottom a { color: var(--color-text-faint); }

/* ---------- Misc ---------- */
.badge { display: inline-block; padding: .2em .6em; background: var(--color-surface-alt); border-radius: 999px; font-size: .72rem; font-weight: 700; color: var(--color-text-muted); }
.notice {
  background: rgba(224,138,44,.12); border: 1px solid rgba(224,138,44,.4); border-radius: var(--radius-md);
  padding: 14px 18px; font-size: .88rem; margin: 20px 0;
}
.related-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 10px; }
.related-list a { display: block; padding: .8em 1em; background: var(--color-surface-alt); border-radius: var(--radius-sm); font-weight: 600; font-size: .88rem; }