/*
Theme Name:  Face Insight
Theme URI:   https://yoursite.com/face-insight-theme
Author:      Face Insight
Author URI:  https://yoursite.com
Description: Apple-style WordPress theme cho Face Physiognomy Suite — AI face reading tools. Tối ưu SEO Google, sidebar linh hoạt, breadcrumb, meta box ẩn tiêu đề trang.
Version:     1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License:     GPL-2.0+
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: face-insight
Tags: apple-style, dark, sidebar, seo, breadcrumb, physiognomy

Face Insight Theme — built for Face Physiognomy Suite plugin.
*/

/* ═══════════════════════════════════════════════════════════════
   FACE INSIGHT THEME — Apple-Style Design System
   Dark UI · iOS Blue Accent · SF Pro Typography
═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
  /* Brand Colors */
  --fi-accent:       #007AFF;
  --fi-accent-dark:  #0051D5;
  --fi-accent-glow:  rgba(0,122,255,.18);
  --fi-green:        #30d158;
  --fi-gold:         #ffd60a;
  --fi-orange:       #ff9f0a;
  --fi-red:          #ff453a;
  --fi-purple:       #9d7fff;

  /* Surfaces */
  --fi-bg:           #000000;
  --fi-bg-2:         #0a0a0a;
  --fi-surface:      #1c1c1e;
  --fi-surface-2:    #2c2c2e;
  --fi-surface-3:    #3a3a3c;
  --fi-surface-hover:#3f3f41;
  --fi-border:       rgba(255,255,255,.08);
  --fi-border-soft:  rgba(255,255,255,.05);
  --fi-separator:    rgba(255,255,255,.12);

  /* Text */
  --fi-text:         #f5f5f7;
  --fi-text-2:       #aeaeb2;
  --fi-text-3:       rgba(174,174,178,.55);
  --fi-text-inv:     #000000;

  /* Layout */
  --fi-content-w:    760px;
  --fi-sidebar-w:    320px;
  --fi-gap:          24px;
  --fi-radius:       18px;
  --fi-radius-sm:    12px;
  --fi-radius-xs:    8px;

  /* Typography */
  --fi-font:         -apple-system, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --fi-font-mono:    'SF Mono', 'Fira Code', 'Courier New', monospace;

  /* Shadows */
  --fi-shadow-sm:    0 1px 3px rgba(0,0,0,.5);
  --fi-shadow:       0 4px 20px rgba(0,0,0,.6);
  --fi-shadow-lg:    0 8px 40px rgba(0,0,0,.8);
  --fi-shadow-glow:  0 0 24px var(--fi-accent-glow);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--fi-font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--fi-text);
  background-color: var(--fi-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

/* ── Links ── */
a {
  color: var(--fi-accent);
  text-decoration: none;
  transition: color .2s, opacity .2s;
}
a:hover { color: #4da3ff; }
a:focus-visible {
  outline: 2px solid var(--fi-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Headings ── */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--fi-font);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.18;
  color: var(--fi-text);
}
h1 { font-size: clamp(28px,5vw,44px); letter-spacing: -.03em; }
h2 { font-size: clamp(22px,4vw,32px); }
h3 { font-size: clamp(18px,3vw,24px); }
h4 { font-size: 18px; font-weight: 600; }
h5 { font-size: 16px; font-weight: 600; }
h6 { font-size: 14px; font-weight: 600; }

/* ── Images ── */
img { max-width: 100%; height: auto; display: block; }

/* ── Lists ── */
ul, ol { padding-left: 1.5em; }
li { margin-bottom: .35em; }

/* ── Paragraphs ── */
p { margin-bottom: 1.1em; color: var(--fi-text-2); }
p:last-child { margin-bottom: 0; }

/* ── Blockquote ── */
blockquote {
  margin: 1.5em 0;
  padding: 16px 20px;
  border-left: 3px solid var(--fi-accent);
  background: var(--fi-surface);
  border-radius: 0 var(--fi-radius-xs) var(--fi-radius-xs) 0;
  font-style: italic;
  color: var(--fi-text-2);
}

/* ── Code ── */
code {
  font-family: var(--fi-font-mono);
  font-size: .88em;
  padding: 2px 7px;
  background: var(--fi-surface-2);
  border-radius: 5px;
  color: var(--fi-accent);
}
pre {
  background: var(--fi-surface);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius-sm);
  padding: 16px 20px;
  overflow-x: auto;
  margin-bottom: 1.25em;
}
pre code { background: none; padding: 0; }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; margin-bottom: 1.5em; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--fi-border); font-size: 14px; }
th { font-weight: 600; color: var(--fi-text); background: var(--fi-surface-2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--fi-surface); }

/* ── Forms ── */
input, textarea, select {
  font-family: var(--fi-font);
  font-size: 15px;
  background: var(--fi-surface-2);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius-xs);
  color: var(--fi-text);
  padding: 10px 14px;
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--fi-accent);
  box-shadow: 0 0 0 3px var(--fi-accent-glow);
}
input::placeholder, textarea::placeholder { color: var(--fi-text-3); }

/* ── Buttons ── */
button, .button, input[type="submit"], input[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--fi-font);
  font-size: 15px;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: all .2s;
  background: var(--fi-accent);
  color: #fff;
  letter-spacing: .01em;
}
button:hover, .button:hover { background: #4da3ff; transform: translateY(-1px); }
button:active { transform: translateY(0); }

/* ─────────────────────────────────────────
   SITE LAYOUT
───────────────────────────────────────── */

/* ── Skip link (accessibility) ── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--fi-accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 0 0 var(--fi-radius-xs) var(--fi-radius-xs);
}
.skip-link:focus { left: 16px; }

/* ── Site wrapper ── */
#fi-site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Main container ── */
.fi-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* ── Content area with sidebar ── */
#fi-content-area {
  flex: 1;
  padding: 15px 0 40px;
}

.fi-content-grid {
  display: grid;
  grid-template-columns: 1fr var(--fi-sidebar-w);
  gap: 15px;
  align-items: start;
}
.fi-content-grid.no-sidebar { grid-template-columns: 1fr; }
.fi-content-grid.sidebar-left { grid-template-columns: var(--fi-sidebar-w) 1fr; }

#fi-main { min-width: 0; }
#fi-sidebar { position: static; }

/* ─────────────────────────────────────────
   HEADER
───────────────────────────────────────── */
#fi-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0,0,0,.82);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--fi-border);
  height: 60px;
}
.fi-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  gap: 20px;
}

/* Logo */
.fi-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.fi-logo-img { width: 36px; height: 36px; border-radius: 8px; }
.fi-logo-text {
  font-size: 17px;
  font-weight: 700;
  color: var(--fi-text);
  letter-spacing: -.02em;
}
.fi-logo-text span { color: var(--fi-accent); }

/* Primary Nav */
.fi-nav { display: flex; align-items: center; gap: 4px; }
/* nav li styles now handled by #fi-menu-list > li */

/* Mobile menu toggle */
.fi-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 7px;
  background: var(--fi-surface-2);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius-xs);
  cursor: pointer;
  flex-shrink: 0;
}
.fi-menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--fi-text);
  border-radius: 2px;
  transition: all .25s;
}
.fi-menu-toggle.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.fi-menu-toggle.open span:nth-child(2) { opacity: 0; }
.fi-menu-toggle.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile Nav Dropdown */
.fi-mobile-nav {
  display: none;
  position: fixed;
  top: 60px;
  left: 0; right: 0;
  background: rgba(10,10,10,.97);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--fi-border);
  padding: 16px 20px 20px;
  z-index: 999;
}
.fi-mobile-nav.open { display: block; }
.fi-mobile-nav a {
  display: block;
  padding: 12px 16px;
  border-radius: var(--fi-radius-sm);
  color: var(--fi-text-2);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s, color .2s;
}
.fi-mobile-nav a:hover { background: var(--fi-surface-2); color: var(--fi-text); }

/* ─────────────────────────────────────────
   BREADCRUMB
───────────────────────────────────────── */
#fi-breadcrumb {
  padding: 10px 0;
  border-bottom: 1px solid var(--fi-border-soft);
  margin-bottom: 15px;
}
.fi-breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  padding: 0; margin: 0;
  font-size: 12px;
}
.fi-breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--fi-text-3);
  margin: 0;
}
.fi-breadcrumb-list li::after {
  content: '/';
  color: var(--fi-text-3);
  font-size: 10px;
  margin-left: 2px;
}
.fi-breadcrumb-list li:last-child::after { display: none; }
.fi-breadcrumb-list a {
  color: var(--fi-text-2);
  font-weight: 500;
  transition: color .2s;
}
.fi-breadcrumb-list a:hover { color: var(--fi-accent); }
.fi-breadcrumb-list .fi-bc-current {
  color: var(--fi-text);
  font-weight: 500;
}
.fi-breadcrumb-list .fi-bc-icon { font-style: normal; }

/* ─────────────────────────────────────────
   ENTRY / PAGE CONTENT
───────────────────────────────────────── */
.fi-entry {
  background: var(--fi-surface);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius);
  overflow: hidden;
}

/* Page title (shown/hidden by meta box) */
.fi-entry-header {
  padding: 28px 32px 0;
}
.fi-entry-title {
  font-size: clamp(22px,4vw,34px);
  font-weight: 700;
  color: var(--fi-text);
  margin-bottom: 8px;
}
.fi-entry-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--fi-text-3);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--fi-border-soft);
  margin-top: 10px;
}
.fi-entry-meta .fi-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.fi-entry-meta a { color: var(--fi-text-3); }
.fi-entry-meta a:hover { color: var(--fi-accent); }

/* Entry body */
.fi-entry-body {
  padding: 28px 32px 32px;
}
/* When header is hidden, body has full top padding */
.fi-entry-header.fi-hidden + .fi-entry-body { padding-top: 0; }
.fi-no-header-padding .fi-entry-body { padding-top: 0; }

/* Post tags */
.fi-entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 32px 24px;
}
.fi-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 4px 11px;
  border-radius: 100px;
  background: var(--fi-surface-2);
  border: 1px solid var(--fi-border);
  color: var(--fi-text-2);
  text-decoration: none;
  transition: all .2s;
}
.fi-tag:hover { background: var(--fi-accent); color: #fff; border-color: transparent; }

/* ─────────────────────────────────────────
   SIDEBAR
───────────────────────────────────────── */
.fi-sidebar-panel {
  background: var(--fi-surface);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius);
  overflow: hidden;
  margin-bottom: 15px;
}
.fi-sidebar-panel-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fi-text-3);
  padding: 12px 16px 10px;
  border-bottom: 1px solid var(--fi-border-soft);
}
.fi-sidebar-panel .widget {
  padding: 12px 16px;
}
.fi-sidebar-panel .widget + .widget {
  border-top: 1px solid var(--fi-border-soft);
  padding-top: 12px;
}
.fi-sidebar-panel .widget-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--fi-text);
  margin-bottom: 10px;
  letter-spacing: -.01em;
}
.fi-sidebar-panel ul { padding: 0; list-style: none; }
.fi-sidebar-panel ul li { margin: 0; }
.fi-sidebar-panel ul li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  font-size: 13px;
  color: var(--fi-text-2);
  border-bottom: 1px solid var(--fi-border-soft);
  transition: color .2s;
}
.fi-sidebar-panel ul li:last-child a { border-bottom: none; }
.fi-sidebar-panel ul li a:hover { color: var(--fi-accent); }

/* Shortcode tools sidebar list */
.fi-tools-list { padding: 0; list-style: none; }
.fi-tools-list li { margin: 0; }
.fi-tools-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fi-text-2);
  text-decoration: none;
  transition: all .2s;
  border-bottom: 1px solid var(--fi-border-soft);
}
.fi-tools-list li:last-child a { border-bottom: none; }
.fi-tools-list a:hover { color: var(--fi-text); background: var(--fi-surface-2); }
.fi-tools-list a.active { color: var(--fi-accent); background: var(--fi-accent-glow); }
.fi-tools-list .fi-tool-icon {
  width: 28px; height: 28px;
  background: var(--fi-surface-2);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  border: 1px solid var(--fi-border);
}
.fi-tools-list a.active .fi-tool-icon { background: var(--fi-accent-glow); border-color: rgba(0,122,255,.3); }

/* ─────────────────────────────────────────
   POST / ARCHIVE CARDS
───────────────────────────────────────── */
.fi-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap: 20px;
}
.fi-post-card {
  background: var(--fi-surface);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  text-decoration: none;
  display: flex;
  flex-direction: column;
}
.fi-post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--fi-shadow);
  border-color: rgba(255,255,255,.14);
}
.fi-post-card-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--fi-surface-2);
}
.fi-post-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.fi-post-card:hover .fi-post-card-thumb img { transform: scale(1.04); }
.fi-post-card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.fi-post-card-cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fi-accent);
  margin-bottom: 6px;
}
.fi-post-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--fi-text);
  margin-bottom: 8px;
  line-height: 1.3;
  letter-spacing: -.01em;
}
.fi-post-card-excerpt {
  font-size: 13px;
  color: var(--fi-text-2);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 14px;
}
.fi-post-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--fi-text-3);
  padding-top: 12px;
  border-top: 1px solid var(--fi-border-soft);
}
.fi-read-more {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--fi-accent);
}
.fi-read-more::after { content: '→'; }

/* ─────────────────────────────────────────
   APPLE STYLE PAGINATION
───────────────────────────────────────── */

.fi-pagination{
    display:flex;
    justify-content:center;
    align-items:center;

    margin-top:12px;
    padding-top:18px;

    border-top:1px solid rgba(255,255,255,.06);
}

/* WRAPPER */
.fi-pagination .nav-links .page-numbers{
    list-style:none;

    display:flex;
    align-items:center;
    justify-content:center;

    gap:8px;

    padding:0;
    margin:0;
}

/* LI */
.fi-pagination .page-numbers li{
    margin:0;
    padding:0;
}

/* BUTTON */
.fi-pagination a.page-numbers,
.fi-pagination span.page-numbers{
    position:relative;

    display:inline-flex;
    align-items:center;
    justify-content:center;

    min-width:38px;
    height:38px;
    padding:0 14px;

    border-radius:12px;

    font-size:14px;
    font-weight:500;
    line-height:1;

    text-decoration:none;
    white-space:nowrap;

    color:rgba(255,255,255,.72);

    background:rgba(255,255,255,.06);

    border:1px solid rgba(255,255,255,.08);

    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);

    transition:
        background .2s ease,
        color .2s ease,
        border-color .2s ease,
        transform .18s ease;
}

/* HOVER */
.fi-pagination a.page-numbers:hover{
    background:rgba(255,255,255,.10);
    color:#fff;
    border-color:rgba(255,255,255,.12);

    transform:translateY(-1px);
}

/* ACTIVE CLICK */
.fi-pagination a.page-numbers:active{
    transform:scale(.96);
}

/* CURRENT */
.fi-pagination span.page-numbers.current{
    background:#0A84FF;
    color:#fff;
    border-color:transparent;

    box-shadow:
        0 0 0 1px rgba(255,255,255,.04),
        0 8px 24px rgba(10,132,255,.28);
}

/* PREV NEXT */
.fi-pagination .prev,
.fi-pagination .next{
    padding:0 16px;
    gap:6px;
}

/* MOBILE */
@media (max-width:768px){

    .fi-pagination{
        margin-top:10px;
        padding-top:16px;
    }

    .fi-pagination a.page-numbers,
    .fi-pagination span.page-numbers{
        min-width:36px;
        height:36px;

        font-size:13px;
        border-radius:11px;
    }

    .fi-pagination .prev,
    .fi-pagination .next{
        padding:0 14px;
    }
}

/* ─────────────────────────────────────────
   FEATURED TOOLS SECTION (Homepage)
───────────────────────────────────────── */
.fi-tools-section { margin-bottom: 40px; }
.fi-section-header { margin-bottom: 24px; }
.fi-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fi-accent);
  margin-bottom: 8px;
}
.fi-section-title { font-size: clamp(20px,3.5vw,28px); color: var(--fi-text); }
.fi-section-sub { font-size: 15px; color: var(--fi-text-2); margin-top: 6px; }

.fi-tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
  gap: 16px;
}
.fi-tool-tile {
  background: var(--fi-surface);
  border: 1px solid var(--fi-border);
  border-radius: var(--fi-radius-sm);
  padding: 20px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}
.fi-tool-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, var(--fi-accent-glow), transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}
.fi-tool-tile:hover { transform: translateY(-3px); box-shadow: var(--fi-shadow); border-color: rgba(0,122,255,.25); }
.fi-tool-tile:hover::before { opacity: 1; }
.fi-tool-emoji { font-size: 28px; line-height: 1; }
.fi-tool-name { font-size: 14px; font-weight: 700; color: var(--fi-text); letter-spacing: -.01em; }
.fi-tool-desc { font-size: 12px; color: var(--fi-text-2); line-height: 1.5; }
.fi-tool-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  background: rgba(48,209,88,.1);
  color: var(--fi-green);
  border: 1px solid rgba(48,209,88,.2);
  width: fit-content;
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
#fi-footer {
  background: var(--fi-surface);
  border-top: 1px solid var(--fi-border);
  padding: 40px 0 24px;
  margin-top: auto;
}
.fi-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
.fi-footer-brand .fi-logo { margin-bottom: 12px; }
.fi-footer-tagline { font-size: 13px; color: var(--fi-text-2); line-height: 1.6; max-width: 240px; }
.fi-footer-col-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--fi-text-3);
  margin-bottom: 14px;
}
.fi-footer-links { list-style: none; padding: 0; }
.fi-footer-links li { margin-bottom: 8px; }
.fi-footer-links a { font-size: 13px; color: var(--fi-text-2); transition: color .2s; }
.fi-footer-links a:hover { color: var(--fi-accent); }

.fi-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--fi-border);
  flex-wrap: wrap;
  gap: 10px;
}
.fi-footer-copy { font-size: 12px; color: var(--fi-text-3); }
.fi-footer-legal { display: flex; gap: 16px; }
.fi-footer-legal a { font-size: 12px; color: var(--fi-text-3); transition: color .2s; }
.fi-footer-legal a:hover { color: var(--fi-accent); }

/* ─────────────────────────────────────────
   WIDGETS (Sidebar)
───────────────────────────────────────── */
.widget_search .search-form { display: flex; gap: 8px; }
.widget_search .search-field { flex: 1; padding: 9px 13px; font-size: 13px; }
.widget_search .search-submit {
  padding: 9px 14px;
  font-size: 13px;
  border-radius: var(--fi-radius-xs);
  white-space: nowrap;
}

/* ─────────────────────────────────────────
   COMMENTS
───────────────────────────────────────── */
.fi-comments { padding: 28px 32px; border-top: 1px solid var(--fi-border); }
.fi-comments-title { font-size: 18px; margin-bottom: 20px; }
.fi-comment {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--fi-border-soft);
}
.fi-comment:last-child { border-bottom: none; }
.fi-comment img { width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; }
.fi-comment-body { flex: 1; }
.fi-comment-author { font-size: 13px; font-weight: 600; color: var(--fi-text); margin-bottom: 4px; }
.fi-comment-date { font-size: 11px; color: var(--fi-text-3); margin-bottom: 8px; }
.fi-comment-text { font-size: 14px; color: var(--fi-text-2); }

/* ─────────────────────────────────────────
   UTILITY CLASSES
───────────────────────────────────────── */
.fi-hidden { display: none !important; }
.fi-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.fi-text-center { text-align: center; }
.fi-mt-0 { margin-top: 0; }
.fi-mb-0 { margin-bottom: 0; }

/* ─────────────────────────────────────────
   RESPONSIVE
───────────────────────────────────────── */
@media (max-width: 1024px) {
  .fi-content-grid { grid-template-columns: 1fr; }
  #fi-sidebar { position: static; }
  .fi-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .fi-nav { display: none; }
  .fi-menu-toggle { display: flex; }
  .fi-entry-header, .fi-entry-body, .fi-entry-tags, .fi-comments { padding-left: 20px; padding-right: 20px; }
  /* Footer mobile: 2 cột gọn, không dùng 1 cột dọc */
  .fi-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
  }
  .fi-footer-brand {
    grid-column: 1 / -1; /* Brand chiếm full width hàng đầu */
  }
  .fi-footer-tagline { max-width: 100%; }
  /* Footer bottom compact */
  .fi-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-top: 14px;
  }
  #fi-footer {
    padding: 20px 0 16px;
  }
}
@media (max-width: 480px) {
  .fi-tool-grid { grid-template-columns: 1fr 1fr; }
  .fi-posts-grid { grid-template-columns: 1fr; }
}

/* ─────────────────────────────────────────
   PRINT
───────────────────────────────────────── */
@media print {
  #fi-header, #fi-sidebar, #fi-footer, .fi-menu-toggle { display: none; }
  body { background: #fff; color: #000; }
  .fi-content-grid { display: block; }
  .fi-entry { border: none; background: none; }
}

/* ── Desktop nav <li> items ── */
#fi-menu-list > li {
  display: inline-flex;
  align-items: center;
  position: relative;
}
#fi-menu-list > li > a {
  font-size: 14px;
  font-weight: 500;
  color: var(--fi-text-2);
  padding: 6px 13px;
  border-radius: 100px;
  text-decoration: none;
  transition: color .2s, background .2s;
  white-space: nowrap;
  display: block;
}
#fi-menu-list > li > a:hover,
#fi-menu-list > li.current-menu-item > a {
  color: var(--fi-text);
  background: var(--fi-surface-2);
}

/* ── Mobile nav li items ── */
#fi-mobile-nav li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  border-bottom: 1px solid var(--fi-border-soft);
}
#fi-mobile-nav li:last-child { border-bottom: none; }
#fi-mobile-nav li a {
  flex: 1;
  display: block;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--fi-text-2);
  text-decoration: none;
  transition: color .2s, background .2s;
}
#fi-mobile-nav li.current-menu-item > a { color: var(--fi-accent); }
#fi-mobile-nav li a:hover { color: var(--fi-text); }
#fi-mobile-nav .sub-menu li a { font-size: 13px; padding: 9px 16px; }


/* ── Mobile: remove double margin ── */
@media (max-width: 768px) {
  .fi-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  /* Entry body padding matches container — avoid double indent */
  .fi-entry-header,
  .fi-entry-body,
  .fi-entry-tags,
  .fi-comments {
    padding-left: 16px;
    padding-right: 16px;
  }
}
@media (max-width: 480px) {
  .fi-container {
    padding-left: 12px;
    padding-right: 12px;
  }
  .fi-entry-header,
  .fi-entry-body,
  .fi-entry-tags,
  .fi-comments {
    padding-left: 12px;
    padding-right: 12px;
  }
}

/* ── Hide page title when meta box checked ── */
article.fi-title-hidden .fi-entry-header {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
article.fi-title-hidden .fi-entry-body {
  padding-top: 0 !important;
}

/* ══════════════════════════════════════════════════════
   DESKTOP DROPDOWN — Toàn bộ CSS, không dùng JS inline style
   JS chỉ toggle class .fi-open trên <li>
   Không có gì thay đổi layout khi tải trang → không shift
══════════════════════════════════════════════════════ */
@media (min-width: 769px) {

  /* li cha: position sẵn trong CSS */
  #fi-menu-list > li.menu-item-has-children {
    position: relative;
  }

  /* Arrow bằng CSS ::after — render cùng lúc với HTML */
  #fi-menu-list > li.menu-item-has-children > a::after {
    content: '▾';
    display: inline-block;
    margin-left: 4px;
    font-size: 9px;
    opacity: .55;
    transition: transform .18s;
    vertical-align: middle;
  }
  #fi-menu-list > li.menu-item-has-children.fi-open > a::after {
    transform: rotate(180deg);
  }

  /* Submenu: ẩn sẵn bằng CSS từ đầu — không bao giờ flash */
  #fi-primary-nav ul.sub-menu {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    min-width: 200px;
    list-style: none !important;
    margin: 0 !important;
    padding: 6px !important;
    overflow: hidden;
    background: rgba(20,20,22,.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,.6);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    pointer-events: none;
  }

  /* Hiện submenu khi có class .fi-open */
  #fi-primary-nav li.menu-item-has-children.fi-open > ul.sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  /* Style link trong submenu */
  #fi-primary-nav ul.sub-menu li {
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
  }
  #fi-primary-nav ul.sub-menu li::before,
  #fi-primary-nav ul.sub-menu li::marker {
    display: none !important;
    content: none !important;
  }
  #fi-primary-nav ul.sub-menu a {
    display: block;
    padding: 9px 14px;
    border-radius: 8px;
    font-size: 13px;
    color: #aeaeb2;
    white-space: nowrap;
    text-decoration: none;
    transition: background .15s, color .15s;
  }
  #fi-primary-nav ul.sub-menu a:hover {
    background: rgba(255,255,255,.07);
    color: #f5f5f7;
  }
}

/* Reset bullets ngoài media query */
#fi-primary-nav ul.sub-menu li::before,
#fi-primary-nav ul.sub-menu li::marker {
  display: none !important;
  content: none !important;
}