/* =========================================================================
   OmniTools — Design System
   Apple-inspired, minimal, fast. Light + Dark. Fully responsive.
   Single compiled stylesheet (no build step required on shared hosting).
   ========================================================================= */

/* ---------------------------------------------------------------- Fonts */
/* Body: Satoshi (refined, premium). Headings/display: Clash Display (striking). */
@font-face { font-family: 'Satoshi'; src: url('../fonts/satoshi-400.woff2') format('woff2'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('../fonts/satoshi-500.woff2') format('woff2'); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: 'Satoshi'; src: url('../fonts/satoshi-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: 'Clash Display'; src: url('../fonts/clash-600.woff2') format('woff2'); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: 'Clash Display'; src: url('../fonts/clash-700.woff2') format('woff2'); font-weight: 700; font-style: normal; font-display: swap; }

/* ---------------------------------------------------------------- Tokens */
:root {
  --font-sans: 'Satoshi', -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Clash Display', 'Satoshi', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;

  /* Light theme — single royal-blue accent, flat surfaces */
  --bg: #fafafa;
  --bg-elevated: #ffffff;
  --bg-subtle: #f3f4f6;
  --surface: #ffffff;
  --surface-2: #f3f4f6;
  --text: #111827;          /* headings / strong */
  --text-2: #6b7280;        /* body / secondary */
  --text-3: #9ca3af;        /* muted */
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-2: #38bdf8;      /* sky — used sparingly */
  --accent-ink: #ffffff;
  --success: #16a34a;
  --danger: #ef4444;
  --warning: #f59e0b;

  /* No brand gradients — the "gradient" token is now a flat accent so every
     button/surface that referenced it becomes a clean solid color. */
  --gradient: var(--accent);
  --gradient-warm: var(--warning);
  --gradient-hero: none;

  --shadow-sm: 0 1px 2px rgba(17,24,39,.04);
  --shadow: 0 1px 3px rgba(17,24,39,.06), 0 1px 2px rgba(17,24,39,.04);
  --shadow-lg: 0 10px 30px rgba(17,24,39,.10);
  --shadow-accent: 0 1px 2px rgba(17,24,39,.05);

  --radius-sm: 12px;
  --radius: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  --container: 1200px;
  --nav-h: 60px;
  --ease: cubic-bezier(.4, 0, .2, 1);
}

[data-theme="dark"] {
  --bg: #0d1117;
  --bg-elevated: #161b22;
  --bg-subtle: #10151c;
  --surface: #161b22;
  --surface-2: #1c2128;
  --text: #f9fafb;
  --text-2: #9ca3af;
  --text-3: #6b7280;
  --border: #262c36;
  --border-strong: #333b47;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-2: #38bdf8;
  --accent-ink: #ffffff;
  --gradient: var(--accent);
  --gradient-warm: var(--warning);
  --gradient-hero: none;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow: 0 1px 3px rgba(0,0,0,.5);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.6);
  --shadow-accent: 0 1px 2px rgba(0,0,0,.5);
}

/* -------------------------------------------------------------- Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
/* The [hidden] attribute must always win, even over component display rules
   (e.g. .search-overlay { display:flex }). Without this the search overlay
   and mobile menu would render on page load. */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  transition: background .3s var(--ease), color .3s var(--ease);
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
ul { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 22px; }
.icon { width: 22px; height: 22px; flex: none; }
.icon-sm { width: 18px; height: 18px; }
.main { min-height: 60vh; }
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 1000;
  background: var(--accent); color: #fff; padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; }

/* ------------------------------------------------------------- Navbar */
.navbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.navbar__inner { display: flex; align-items: center; height: var(--nav-h); gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.02em; }
.brand__name { font-size: 19px; }
.brand__mark { display: grid; place-items: center; }
.brand__logo { width: 32px; height: 32px; border-radius: 9px; object-fit: cover; box-shadow: var(--shadow-sm); }
.navbar__links { display: flex; align-items: center; gap: 4px; margin-left: 8px; flex: 1; }
.navbar__link {
  padding: 8px 14px; border-radius: 10px; font-size: 15px; color: var(--text-2);
  font-weight: 500; transition: background .2s, color .2s; display: inline-flex; align-items: center; gap: 4px;
}
.navbar__link:hover { background: var(--surface-2); color: var(--text); }
.navbar__actions { display: flex; align-items: center; gap: 6px; }
.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px;
  color: var(--text-2); transition: background .2s, color .2s, transform .1s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn:active { transform: scale(.94); }

/* Theme toggle icon swap */
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* Dropdown */
.dropdown { position: relative; }
.dropdown__chevron { transform: rotate(90deg); width: 14px; height: 14px; transition: transform .2s; }
.dropdown[data-open="true"] .dropdown__chevron { transform: rotate(-90deg); }
.dropdown__menu {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 230px;
  background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all .2s var(--ease); z-index: 120;
}
.dropdown[data-open="true"] .dropdown__menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown__item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; font-size: 14px; font-weight: 500; }
.dropdown__item:hover { background: var(--surface-2); }
.dropdown__icon { display: grid; place-items: center; }

.navbar__burger { display: none; }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: var(--nav-h) 0 auto 0; background: var(--bg); z-index: 90;
  padding: 16px 22px 28px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg);
  max-height: calc(100vh - var(--nav-h)); overflow-y: auto;
}
.mobile-menu__link { display: block; padding: 14px 8px; font-size: 18px; font-weight: 600; border-bottom: 1px solid var(--border); }
.mobile-menu__cats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 16px; }
.mobile-menu__cat { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; background: var(--surface); font-weight: 500; font-size: 14px; }

/* ------------------------------------------------------ Search overlay */
.search-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: color-mix(in srgb, var(--bg) 40%, rgba(0,0,0,.5));
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: flex-start; justify-content: center; padding: 12vh 20px 20px;
  animation: fade .2s var(--ease);
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.search-modal {
  width: 100%; max-width: 640px; background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
  animation: pop .25s var(--ease);
}
@keyframes pop { from { transform: scale(.96) translateY(-8px); opacity: 0; } to { transform: none; opacity: 1; } }
.search-modal__input-wrap { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.search-modal__icon { color: var(--text-3); }
.search-modal__input { flex: 1; border: none; background: none; font-size: 18px; outline: none; }
.search-modal__esc { font-size: 12px; font-weight: 600; color: var(--text-3); border: 1px solid var(--border); border-radius: 6px; padding: 3px 8px; }
.search-modal__results { max-height: 52vh; overflow-y: auto; padding: 8px; }
.search-result {
  display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-radius: 12px; cursor: pointer;
}
.search-result[aria-selected="true"], .search-result:hover { background: var(--surface-2); }
.search-result__icon { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--surface-2); flex: none; }
.search-result__title { font-weight: 600; font-size: 15px; }
.search-result__title mark { background: color-mix(in srgb, var(--accent) 24%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.search-result__desc { font-size: 13px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-result__cat { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; }
.search-empty { padding: 40px; text-align: center; color: var(--text-3); }

/* ---------------------------------------------------------------- Hero */
.hero { position: relative; padding: 72px 0 44px; text-align: center; background: var(--gradient-hero); overflow: hidden; }
.hero__badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border); font-size: 13px; font-weight: 600; color: var(--text-2);
  box-shadow: var(--shadow-sm); margin-bottom: 22px;
}
.hero__badge b { color: var(--accent); }
.hero h1 { font-size: clamp(34px, 6vw, 62px); letter-spacing: -.03em; line-height: 1.05; }
.hero h1 .grad { color: var(--accent); -webkit-text-fill-color: var(--accent); }
.hero__sub { font-size: clamp(16px, 2.4vw, 21px); color: var(--text-2); max-width: 620px; margin: 18px auto 0; }

.hero-search { max-width: 640px; margin: 34px auto 0; position: relative; }
.hero-search__box {
  display: flex; align-items: center; gap: 12px; background: var(--bg-elevated);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 6px 6px 22px;
  box-shadow: var(--shadow-lg); transition: box-shadow .2s, border-color .2s;
}
.hero-search__box:focus-within { border-color: var(--accent); box-shadow: var(--shadow-accent); }
.hero-search__box input { flex: 1; border: none; background: none; font-size: 17px; outline: none; padding: 12px 0; }
.hero-search__btn { background: var(--accent); color: #fff; border-radius: 12px; padding: 12px 22px; font-weight: 600; box-shadow: var(--shadow-accent); transition: background .15s, transform .12s; }
.hero-search__btn:hover { background: var(--accent-hover); }
.hero-search__btn:active { transform: scale(.97); }
.hero-suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }
.hero-suggest a { padding: 7px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--text-2); transition: all .2s; }
.hero-suggest a:hover { color: var(--text); border-color: var(--border-strong); transform: translateY(-1px); }

.hero-stats { display: flex; gap: 30px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat b { display: block; font-size: 26px; letter-spacing: -.02em; }
.hero-stat span { font-size: 13px; color: var(--text-3); }

/* ------------------------------------------------------------- Sections */
.section { padding: 52px 0; }
.section--tight { padding: 36px 0; }
.section__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 26px; flex-wrap: wrap; }
.section__title { font-size: clamp(24px, 3.4vw, 34px); letter-spacing: -.02em; display: flex; align-items: center; gap: 10px; }
.section__title .flame { color: var(--warning); }
.section__desc { color: var(--text-2); margin-top: 6px; font-size: 15px; }
.section__link { color: var(--accent); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; }
.section__link:hover { gap: 9px; }
.section__link .icon { width: 16px; height: 16px; }

/* ---------------------------------------------------------------- Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.cards--cat { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.tool-card {
  display: block; height: 100%;
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s; overflow: hidden;
}
/* Ensure the wrapper on the /tools page fills its grid cell too */
.tool-item { display: block; height: 100%; }
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.tool-card__icon { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 14px; color: #fff; }
.tool-card__title { font-size: 16px; font-weight: 650; letter-spacing: -.01em; }
.tool-card__desc { font-size: 13.5px; color: var(--text-3); margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tool-card__badge { position: absolute; top: 14px; right: 14px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 3px 8px; border-radius: 999px; }
.badge-popular { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.badge-trending { background: color-mix(in srgb, var(--warning) 18%, transparent); color: var(--warning); }
.badge-new { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); }

.cat-card {
  display: flex; flex-direction: column; gap: 12px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; transition: transform .2s var(--ease), box-shadow .2s, border-color .2s;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.cat-card__icon { width: 48px; height: 48px; border-radius: 14px; display: grid; place-items: center; color: #fff; }
.cat-card__name { font-size: 17px; font-weight: 650; }
.cat-card__count { font-size: 13px; color: var(--text-3); }

/* --------------------------------------------------------- Tool page */
.breadcrumb { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 22px 0 6px; font-size: 14px; color: var(--text-3); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb__sep { opacity: .5; }
.breadcrumb [aria-current="page"] { color: var(--text-2); }

.tool-hero { padding: 8px 0 26px; }
.tool-hero__top { display: flex; align-items: flex-start; gap: 18px; }
.tool-hero__icon { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; color: #fff; flex: none; box-shadow: var(--shadow); }
.tool-hero h1 { font-size: clamp(26px, 4vw, 40px); }
.tool-hero__desc { color: var(--text-2); font-size: 17px; margin-top: 8px; max-width: 720px; }
.tool-hero__fav { margin-left: auto; }

.tool-layout { display: grid; grid-template-columns: 1fr 300px; gap: 26px; align-items: start; padding-bottom: 40px; }
.tool-main { min-width: 0; }
.tool-workspace {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow); min-height: 260px;
}
.tool-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: calc(var(--nav-h) + 16px); }

/* Tool UI primitives (used by JS engines) */
.field { margin-bottom: 16px; }
.field__label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 7px; }
.input, .textarea, .select {
  width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 15px; transition: border-color .2s, box-shadow .2s; color: var(--text);
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); outline: none; }
.textarea { resize: vertical; min-height: 150px; font-family: var(--font-mono); font-size: 14px; line-height: 1.55; }
.textarea--tall { min-height: 240px; }
.select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; border-radius: 999px; font-weight: 600; font-size: 15px;
  transition: transform .12s, filter .2s, background .2s, border-color .2s; white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn--primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-accent); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--border-strong); }
.btn--sm { padding: 8px 14px; font-size: 14px; }
.btn--block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 140px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 7px 13px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--border); font-size: 13px; font-weight: 500; cursor: pointer; transition: all .15s; }
.chip[aria-pressed="true"], .chip.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }

.output-box { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; font-family: var(--font-mono); font-size: 14px; white-space: pre-wrap; word-break: break-word; min-height: 60px; max-height: 420px; overflow: auto; }
.result-stat { display: flex; align-items: baseline; gap: 6px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; }
.stat-card { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; }
.stat-card b { font-size: 26px; letter-spacing: -.02em; display: block; }
.stat-card span { font-size: 12px; color: var(--text-3); text-transform: uppercase; letter-spacing: .04em; }

.dropzone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius); padding: 40px 20px; text-align: center;
  transition: border-color .2s, background .2s; cursor: pointer;
}
.dropzone:hover, .dropzone.is-drag { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.dropzone__icon { color: var(--text-3); margin: 0 auto 10px; width: 40px; height: 40px; }
.dropzone__hint { font-size: 13px; color: var(--text-3); margin-top: 6px; }

.notice { padding: 12px 14px; border-radius: var(--radius-sm); font-size: 14px; margin-top: 12px; }
.notice--error { background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.notice--success { background: color-mix(in srgb, var(--success) 14%, transparent); color: var(--success); }
.notice--info { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); opacity: 0;
  background: var(--text); color: var(--bg); padding: 12px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow-lg); z-index: 500; transition: all .3s var(--ease); pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* Sidebar widgets */
.widget { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.widget__title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); margin-bottom: 12px; }
.widget__list a { display: flex; align-items: center; gap: 10px; padding: 8px; border-radius: 10px; font-size: 14px; font-weight: 500; }
.widget__list a:hover { background: var(--surface-2); }
.widget__list .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }

.ad-slot { background: var(--surface-2); border: 1px dashed var(--border-strong); border-radius: var(--radius); min-height: 100px; display: grid; place-items: center; color: var(--text-3); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }

/* Content / prose */
.prose { max-width: 760px; }
.prose h2 { font-size: 26px; margin: 32px 0 12px; }
.prose h3 { font-size: 20px; margin: 24px 0 8px; }
.prose p { color: var(--text-2); margin-bottom: 14px; }
.prose ul { padding-left: 20px; list-style: disc; color: var(--text-2); margin-bottom: 14px; }
.prose li { margin-bottom: 6px; }
.prose a { color: var(--accent); font-weight: 500; }
.prose code { font-family: var(--font-mono); background: var(--surface-2); padding: 2px 6px; border-radius: 6px; font-size: .9em; }

/* FAQ */
.faq { max-width: 780px; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__q { width: 100%; text-align: left; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 4px; font-size: 17px; font-weight: 600; }
.faq__q .icon { transition: transform .25s; color: var(--text-3); }
.faq__item[open] .faq__q .icon { transform: rotate(45deg); }
.faq__a { padding: 0 4px 20px; color: var(--text-2); }

/* Blog */
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.post-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform .2s, box-shadow .2s; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.post-card__cover { height: 160px; background: var(--gradient-hero), var(--surface-2); display: grid; place-items: center; }
.post-card__cover .icon { width: 44px; height: 44px; color: var(--accent); }
.post-card__body { padding: 18px; }
.post-card__tag { font-size: 12px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }
.post-card__title { font-size: 18px; margin: 8px 0; }
.post-card__excerpt { font-size: 14px; color: var(--text-3); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__meta { font-size: 13px; color: var(--text-3); margin-top: 12px; }
.article { max-width: 760px; margin: 0 auto; }
.article__cover { height: 260px; border-radius: var(--radius-lg); background: var(--gradient-hero), var(--surface-2); display: grid; place-items: center; margin: 20px 0 30px; }
.article__cover .icon { width: 64px; height: 64px; color: var(--accent); }

/* Page header (generic) */
.page-head { padding: 44px 0 24px; text-align: center; }
.page-head h1 { font-size: clamp(30px, 5vw, 48px); }
.page-head p { color: var(--text-2); font-size: 18px; margin-top: 12px; max-width: 640px; margin-inline: auto; }

/* HTML sitemap */
.sitemap-cols { columns: 3 220px; column-gap: 30px; }
.sitemap-group { break-inside: avoid; margin-bottom: 26px; }
.sitemap-group h3 { font-size: 16px; margin-bottom: 8px; }
.sitemap-group a { display: block; padding: 4px 0; color: var(--text-2); font-size: 14px; }
.sitemap-group a:hover { color: var(--accent); }

/* Back to top */
.to-top { position: fixed; bottom: 24px; right: 24px; width: 46px; height: 46px; border-radius: 50%; background: var(--bg-elevated); border: 1px solid var(--border); box-shadow: var(--shadow-lg); display: grid; place-items: center; color: var(--text-2); z-index: 80; opacity: 0; transform: translateY(10px); transition: all .3s; }
.to-top.show { opacity: 1; transform: none; }
.to-top__icon { transform: rotate(-90deg); }

/* ------------------------------------------------------------- Footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-subtle); margin-top: 40px; padding: 52px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 30px; }
.footer__brand .brand__name { font-size: 22px; }
.footer__tagline { font-weight: 600; margin-top: 10px; }
.footer__desc { color: var(--text-3); font-size: 14px; margin-top: 8px; max-width: 280px; }
.footer__heading { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); margin-bottom: 14px; }
.footer__list li { margin-bottom: 9px; }
.footer__list a { color: var(--text-2); font-size: 14px; }
.footer__list a:hover { color: var(--text); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-3); font-size: 13px; flex-wrap: wrap; gap: 8px; }

/* Admin */
.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.admin-side { background: var(--bg-elevated); border-right: 1px solid var(--border); padding: 20px 14px; }
.admin-side__brand { font-weight: 700; font-size: 18px; padding: 8px 12px 18px; }
.admin-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; color: var(--text-2); font-weight: 500; font-size: 14px; margin-bottom: 2px; }
.admin-nav a:hover, .admin-nav a.active { background: var(--surface-2); color: var(--text); }
.admin-main { padding: 26px 30px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.metric { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.metric b { font-size: 32px; letter-spacing: -.02em; display: block; }
.metric span { color: var(--text-3); font-size: 13px; }
.table { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.table th, .table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
.table th { background: var(--surface-2); font-weight: 600; color: var(--text-2); }
.table tr:last-child td { border-bottom: none; }
.auth-card { max-width: 400px; margin: 10vh auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-lg); }

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.muted { color: var(--text-3); }
.hidden { display: none !important; }
.spinner { width: 20px; height: 20px; border: 2.5px solid color-mix(in srgb, var(--accent) 30%, transparent); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.fade-in { animation: fadeUp .4s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* --------------------------------------------------------- Responsive */
@media (max-width: 980px) {
  .tool-layout { grid-template-columns: 1fr; }
  .tool-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .tool-sidebar .widget { flex: 1; min-width: 240px; }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .navbar__links { display: none; }
  .navbar__burger { display: grid; }
  .navbar__actions { margin-left: auto; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .sitemap-cols { columns: 1; }
  .hero { padding: 48px 0 32px; }
  .hero-stats { gap: 20px; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-side { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}