/* =========================================================================
   RESPONSIVE TEST TOOL — BLOG STYLESHEET
   يطابق نفس نظام الألوان والخطوط والهوية البصرية للموقع الأساسي
   ========================================================================= */

:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --accent: #a78bfa;
  --bg-page: #f3f4f6;
  --bg-panel: #ffffff;
  --text: #111827;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --header-h: 70px;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --dm-bg-page: #0D1117;
  --dm-bg-panel: #1a202c;
  --dm-text: #E2E8F0;
  --dm-text-muted: #94a3b8;
  --dm-border: #334155;
}

[data-theme="dark"] {
  --bg-page: var(--dm-bg-page);
  --bg-panel: var(--dm-bg-panel);
  --text: var(--dm-text);
  --text-muted: var(--dm-text-muted);
  --border: var(--dm-border);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: var(--bg-page);
  color: var(--text);
  transition: background-color .3s, color .3s;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { text-decoration: none; color: inherit; transition: .2s; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background-color: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background-color: var(--primary); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================= HEADER ============================= */
.app-header {
  height: var(--header-h);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
  transition: background-color .3s, border-color .3s;
}

.header-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-link { display: flex; align-items: center; gap: 12px; }
.brand-icon-svg { flex-shrink: 0; transition: transform .3s ease; }
.brand-link:hover .brand-icon-svg { transform: rotate(-10deg); }

.brand-wordmark {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: -.5px;
  white-space: nowrap;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.bw-responsive { color: var(--text); }
.bw-testtool { color: var(--primary); }
.blog-badge {
  font-family: 'Poppins', sans-serif;
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .5px;
  text-transform: uppercase;
  background: rgba(99,102,241,.12);
  color: var(--primary);
  padding: 3px 9px;
  border-radius: 50px;
  margin-inline-start: 4px;
}

.main-nav { display: flex; }
.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 6px 8px;
  gap: 2px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 50px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.main-nav a:hover, .main-nav a.active {
  color: #fff;
  background: var(--primary);
}

.header-actions { display: flex; align-items: center; gap: 14px; }

.theme-switch { display: inline-flex; cursor: pointer; }
.theme-switch input { display: none; }
.theme-switch .slider {
  width: 52px; height: 28px; border-radius: 50px;
  background: var(--bg-page); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6px; position: relative; transition: .3s;
}
.theme-switch .slider::before {
  content: ''; position: absolute; left: 3px; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--primary); transition: .3s ease;
}
.theme-switch input:checked + .slider::before { transform: translateX(24px); }
.theme-switch .icon { font-size: .7rem; color: var(--text-muted); z-index: 1; }

.mobile-menu-btn {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); width: 40px; height: 40px; border-radius: 10px;
  font-size: 1rem; cursor: pointer; align-items: center; justify-content: center;
}

@media (max-width: 780px) {
  .main-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .app-header { padding: 0 14px; }
}

/* Mobile nav drawer */
.mobile-nav-drawer {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  z-index: 200; display: none;
}
.mobile-nav-drawer.open { display: block; }
.mobile-nav-panel {
  position: absolute; top: 0; inset-inline-end: 0; height: 100%;
  width: min(300px, 85vw); background: var(--bg-panel);
  padding: 20px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; gap: 4px;
}
.mobile-nav-panel a {
  padding: 12px 14px; border-radius: 10px; font-weight: 600;
  color: var(--text); font-size: .95rem;
}
.mobile-nav-panel a:hover { background: var(--bg-page); color: var(--primary); }
.mobile-nav-close {
  align-self: flex-end; background: var(--bg-page); border: 1px solid var(--border);
  width: 36px; height: 36px; border-radius: 50%; color: var(--text-muted);
  cursor: pointer; margin-bottom: 10px;
}

/* ============================= HERO ============================= */
.blog-hero {
  padding: 56px 24px 40px;
  text-align: center;
  background:
    radial-gradient(circle at 15% 20%, rgba(99,102,241,.10), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(14,165,233,.10), transparent 45%);
}
.blog-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 0 0 12px;
  color: var(--text);
}
.blog-hero h1 span { color: var(--primary); }
.blog-hero p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.6;
}

.blog-search {
  max-width: 480px;
  margin: 28px auto 0;
  position: relative;
}
.blog-search input {
  width: 100%;
  padding: 13px 44px 13px 18px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: var(--bg-panel);
  color: var(--text);
  font-family: 'Poppins', sans-serif;
  font-size: .9rem;
}
.blog-search input:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.blog-search i {
  position: absolute; inset-inline-end: 18px; top: 50%;
  transform: translateY(-50%); color: var(--text-muted);
}

/* ============================= ARTICLE GRID ============================= */
.blog-main { flex: 1; padding: 20px 24px 60px; }

.blog-filters {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin-bottom: 32px;
}
.filter-chip {
  padding: 7px 16px; border-radius: 50px; font-size: .8rem; font-weight: 600;
  border: 1px solid var(--border); color: var(--text-muted); cursor: pointer;
  background: var(--bg-panel); transition: .2s;
}
.filter-chip:hover { color: var(--primary); border-color: var(--primary); }
.filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 26px;
  max-width: 1200px;
  margin: 0 auto;
}

.article-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.article-card-thumb {
  aspect-ratio: 16/9;
  width: 100%;
  background: linear-gradient(135deg, #06b6d4, #6366f1);
  position: relative;
  overflow: hidden;
}
.article-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-card-cat {
  position: absolute; top: 12px; inset-inline-start: 12px;
  background: rgba(17,24,39,.55); backdrop-filter: blur(4px);
  color: #fff; font-size: .68rem; font-weight: 700; letter-spacing: .3px;
  padding: 4px 11px; border-radius: 50px; text-transform: uppercase;
}

.article-card-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.article-card-date {
  font-size: .74rem; color: var(--text-muted); font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.article-card-title {
  font-size: 1.08rem; font-weight: 800; color: var(--text); line-height: 1.4;
}
.article-card:hover .article-card-title { color: var(--primary); }
.article-card-excerpt {
  font-size: .86rem; color: var(--text-muted); line-height: 1.6;
  flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.article-card-readmore {
  font-size: .82rem; font-weight: 700; color: var(--primary);
  display: inline-flex; align-items: center; gap: 6px; margin-top: 4px;
}
.article-card-readmore i { transition: transform .2s; }
.article-card:hover .article-card-readmore i { transform: translateX(4px); }
[dir="rtl"] .article-card:hover .article-card-readmore i { transform: translateX(-4px); }

.blog-empty-state {
  text-align: center; padding: 70px 20px; color: var(--text-muted);
  grid-column: 1 / -1;
}
.blog-empty-state i { font-size: 2.4rem; color: var(--border); margin-bottom: 14px; display: block; }

.blog-loading { text-align: center; padding: 70px 0; color: var(--text-muted); grid-column: 1/-1; }
.blog-loading i { font-size: 1.6rem; animation: spin 1s linear infinite; margin-bottom: 10px; display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================= PAGINATION ============================= */
.blog-pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 42px;
}
.blog-pagination button {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-panel); color: var(--text); font-weight: 700; cursor: pointer;
  font-family: 'Poppins', sans-serif;
}
.blog-pagination button.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.blog-pagination button:disabled { opacity: .4; cursor: not-allowed; }

/* ============================= SINGLE POST ============================= */
.post-hero {
  padding: 40px 24px 0;
  max-width: 820px;
  margin: 0 auto;
}
.post-breadcrumb { font-size: .8rem; color: var(--text-muted); margin-bottom: 18px; }
.post-breadcrumb a { color: var(--primary); font-weight: 600; }
.post-category {
  display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .4px;
  text-transform: uppercase; color: var(--primary); background: rgba(99,102,241,.1);
  padding: 5px 13px; border-radius: 50px; margin-bottom: 16px;
}
.post-title {
  font-size: clamp(1.7rem, 4vw, 2.5rem); font-weight: 900; line-height: 1.3;
  color: var(--text); margin: 0 0 18px;
}
.post-meta {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  color: var(--text-muted); font-size: .85rem; font-weight: 600;
  padding-bottom: 26px; margin-bottom: 26px; border-bottom: 1px solid var(--border);
}
.post-meta span { display: flex; align-items: center; gap: 6px; }

.post-cover {
  max-width: 900px; margin: 0 auto 40px; padding: 0 24px;
}
.post-cover img { width: 100%; border-radius: 18px; box-shadow: var(--shadow-md); aspect-ratio: 16/8; object-fit: cover; }

.post-body-wrap { max-width: 820px; margin: 0 auto; padding: 0 24px 60px; }

.post-content { font-size: 1.02rem; line-height: 1.85; color: var(--text); }
.post-content h1 { font-size: 1.9rem; font-weight: 900; margin: 40px 0 18px; }
.post-content h2 { font-size: 1.5rem; font-weight: 800; margin: 36px 0 16px; padding-inline-start: 14px; border-inline-start: 4px solid var(--primary); }
.post-content h3 { font-size: 1.22rem; font-weight: 700; margin: 28px 0 12px; color: var(--primary); }
.post-content p { margin: 0 0 20px; }
.post-content ul, .post-content ol { margin: 0 0 20px; padding-inline-start: 24px; }
.post-content li { margin-bottom: 8px; }
.post-content a { color: var(--primary); font-weight: 600; border-bottom: 1px solid rgba(99,102,241,.4); }
.post-content a:hover { color: var(--primary-hover); border-color: var(--primary-hover); }
.post-content img { border-radius: 14px; margin: 26px 0; box-shadow: var(--shadow-md); }
.post-content blockquote {
  margin: 26px 0; padding: 18px 22px; border-inline-start: 4px solid var(--primary);
  background: var(--bg-page); border-radius: 0 12px 12px 0; font-style: italic; color: var(--text-muted);
}
.post-content code {
  background: var(--bg-page); border: 1px solid var(--border); padding: 2px 7px;
  border-radius: 6px; font-size: .88em; color: var(--primary-hover);
}
.post-content pre {
  background: #111827; color: #e5e7eb; padding: 18px 20px; border-radius: 12px;
  overflow-x: auto; margin: 26px 0;
}
.post-content pre code { background: none; border: none; color: inherit; padding: 0; }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 40px; }
.post-tags a {
  font-size: .78rem; font-weight: 700; color: var(--text-muted); background: var(--bg-page);
  border: 1px solid var(--border); padding: 6px 14px; border-radius: 50px;
}
.post-tags a:hover { color: var(--primary); border-color: var(--primary); }

.post-nav-back {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--primary);
  margin: 0 auto 10px; max-width: 820px; padding: 0 24px 0;
}

.related-section { max-width: 1200px; margin: 20px auto 60px; padding: 0 24px; }
.related-section h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 22px; }

.post-notfound { text-align: center; padding: 100px 20px; }
.post-notfound i { font-size: 2.8rem; color: var(--border); margin-bottom: 16px; display: block; }
.post-notfound h2 { margin-bottom: 10px; }
.post-notfound a { color: var(--primary); font-weight: 700; }

/* ============================= FOOTER ============================= */
.page-footer {
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  margin-top: auto;
  padding: 50px 24px 24px;
}
.footer-main {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 34px;
}
.footer-col-brand .fc-brand-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.fc-brand-name { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.05rem; color: var(--text); }
.fc-brand-name small { display: block; font-family: 'Poppins', sans-serif; font-weight: 500; font-size: .72rem; color: var(--text-muted); margin-top: 2px; }
.fc-tagline { font-size: .85rem; color: var(--text-muted); line-height: 1.7; max-width: 340px; margin: 0 0 18px; }
.fc-social-row { display: flex; gap: 10px; }
.fc-social-btn {
  width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--text-muted);
}
.fc-social-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.fc-col-title {
  font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .5px;
  color: var(--text); margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.fc-col-title i { color: var(--primary); }
.fc-links { display: flex; flex-direction: column; gap: 11px; }
.fc-link { font-size: .86rem; color: var(--text-muted); display: flex; align-items: center; gap: 9px; }
.fc-link:hover { color: var(--primary); }
.fc-link-icon { font-size: .78rem; width: 16px; text-align: center; }

.footer-bottom {
  max-width: 1200px; margin: 36px auto 0; padding-top: 22px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: .8rem; color: var(--text-muted);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }

@media (max-width: 900px) {
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-col-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-main { grid-template-columns: 1fr; }
}

/* ============================= ADMIN ============================= */
.admin-body { background: var(--bg-page); }
.admin-login-wrap {
  flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px;
}
.admin-login-card {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 20px;
  padding: 42px 36px; width: 100%; max-width: 380px; box-shadow: var(--shadow-lg); text-align: center;
}
.admin-login-card .brand-icon-svg { margin: 0 auto 16px; }
.admin-login-card h2 { margin: 0 0 8px; font-size: 1.3rem; }
.admin-login-card p { color: var(--text-muted); font-size: .85rem; margin: 0 0 26px; }
.admin-login-card input {
  width: 100%; padding: 13px 16px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg-page); color: var(--text); font-family: 'Poppins', sans-serif;
  margin-bottom: 14px; font-size: .92rem;
}
.admin-login-card input:focus { outline: 2px solid var(--primary); }
.admin-error { color: #ef4444; font-size: .8rem; margin-bottom: 12px; min-height: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; border: none; cursor: pointer;
  font-family: 'Poppins', sans-serif; font-weight: 700; font-size: .88rem;
  transition: .2s; width: 100%;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg-page); color: var(--text); border: 1px solid var(--border); width: auto; }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger { background: rgba(239,68,68,.1); color: #ef4444; width: auto; }
.btn-danger:hover { background: #ef4444; color: #fff; }
.btn-sm { padding: 8px 14px; font-size: .78rem; width: auto; }

.admin-wrap { flex: 1; padding: 30px 24px 60px; max-width: 1100px; margin: 0 auto; width: 100%; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 26px; flex-wrap: wrap; gap: 14px; }
.admin-topbar h1 { font-size: 1.5rem; margin: 0; }
.admin-topbar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.admin-tabs { display: flex; gap: 6px; margin-bottom: 22px; border-bottom: 1px solid var(--border); }
.admin-tab {
  padding: 11px 20px; font-weight: 700; font-size: .86rem; color: var(--text-muted);
  cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px;
}
.admin-tab.active { color: var(--primary); border-color: var(--primary); }

.admin-panel { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px; padding: 26px; }

.admin-list-item {
  display: flex; align-items: center; gap: 16px; padding: 16px; border: 1px solid var(--border);
  border-radius: 14px; margin-bottom: 12px; background: var(--bg-panel);
}
.admin-list-thumb {
  width: 68px; height: 52px; border-radius: 10px; flex-shrink: 0; object-fit: cover;
  background: linear-gradient(135deg,#06b6d4,#6366f1);
}
.admin-list-info { flex: 1; min-width: 0; }
.admin-list-title { font-weight: 700; font-size: .95rem; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.admin-list-meta { font-size: .76rem; color: var(--text-muted); }
.admin-list-actions { display: flex; gap: 8px; flex-shrink: 0; }

.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .82rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.form-group .hint { font-size: .74rem; color: var(--text-muted); margin-top: 6px; }
.form-control {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-page); color: var(--text); font-family: 'Poppins', sans-serif; font-size: .9rem;
}
.form-control:focus { outline: 2px solid var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

#quillEditor { background: var(--bg-panel); border-radius: 0 0 10px 10px; min-height: 320px; color: var(--text); }
.ql-toolbar.ql-snow { border-radius: 10px 10px 0 0; background: var(--bg-page); }
.ql-container.ql-snow { border-color: var(--border) !important; }
.ql-toolbar.ql-snow { border-color: var(--border) !important; }
.ql-snow .ql-stroke { stroke: var(--text-muted); }
.ql-snow .ql-fill { fill: var(--text-muted); }
.ql-snow .ql-picker { color: var(--text-muted); }

.admin-status-msg {
  padding: 12px 16px; border-radius: 10px; font-size: .85rem; font-weight: 600; margin-bottom: 18px;
  display: none; align-items: center; gap: 8px;
}
.admin-status-msg.show { display: flex; }
.admin-status-msg.success { background: rgba(16,185,129,.1); color: #10b981; }
.admin-status-msg.error { background: rgba(239,68,68,.1); color: #ef4444; }
.admin-status-msg.info { background: rgba(99,102,241,.1); color: var(--primary); }

.storage-mode-badge {
  font-size: .7rem; font-weight: 700; padding: 5px 12px; border-radius: 50px;
  display: inline-flex; align-items: center; gap: 6px;
}
.storage-mode-badge.kv { background: rgba(16,185,129,.12); color: #10b981; }
.storage-mode-badge.local { background: rgba(245,158,11,.12); color: #f59e0b; }

.empty-list { text-align: center; padding: 50px 20px; color: var(--text-muted); }
.empty-list i { font-size: 2rem; margin-bottom: 12px; display: block; color: var(--border); }