/**
 * CheraghBarghBlog main styles
 */

:root {
  --color-bg: rgb(242 243 245);
  --color-primary: #303873;
  --color-secondary: #f8a22e;
  --color-text: #111827;
  --color-muted: #6b7280;
  --color-card: #ffffff;
  --color-border: #e5e7eb;
  --radius-card: 18px;
  --radius-pill: 999px;
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.04);
  --shadow-header: 0 2px 16px rgba(17, 24, 39, 0.06);
  --container-width: min(100% - 24px, 1120px);
  --content-max: 720px;
  --sidebar-width: 300px;
  --layout-gap: 24px;
  --font-base: "IRANSans", "Vazirmatn", "Tahoma", sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 0.75rem;
  line-height: 1.45;
  color: var(--color-text);
}

p {
  margin: 0 0 1rem;
}

ul,
ol {
  margin: 0 0 1rem;
  padding-right: 1.25rem;
}

button,
input,
textarea,
select {
  font: inherit;
}

.screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: var(--container-width);
  margin-inline: auto;
}

.site-main {
  padding: 20px 0 40px;
  min-height: 60vh;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-card);
  border-bottom: 1px solid rgba(48, 56, 115, 0.08);
  box-shadow: var(--shadow-header);
}

.site-header__inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 0;
}

.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.site-header__brand {
  flex-shrink: 0;
}

.site-logo img {
  display: block;
  width: auto;
  max-height: 40px;
  object-fit: contain;
}

.site-logotype {
  display: inline-block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.site-logotype:hover {
  color: var(--color-secondary);
}

.site-header__back-link {
  font-size: 0.875rem;
  color: var(--color-muted);
  white-space: nowrap;
}

.site-header__back-link:hover {
  color: var(--color-primary);
}

.site-header__search {
  width: 100%;
}

/* Search form */
.search-form {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-form__icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-muted);
  pointer-events: none;
  display: flex;
  align-items: center;
}

.search-form__field {
  width: 100%;
  height: 46px;
  padding: 0 44px 0 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-card);
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-form__field:focus {
  border-color: rgba(48, 56, 115, 0.35);
  box-shadow: 0 0 0 3px rgba(48, 56, 115, 0.08);
}

.search-form__field::placeholder {
  color: #9ca3af;
}

.search-form__submit {
  position: absolute;
  left: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
}

.search-form__submit:focus-visible {
  opacity: 1;
  pointer-events: auto;
}

/* Navigation */
.site-nav {
  position: relative;
}

.site-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-card);
  cursor: pointer;
}

.site-nav__toggle-icon,
.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  position: relative;
}

.site-nav__toggle-icon::before,
.site-nav__toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.site-nav__toggle-icon::before {
  top: -6px;
}

.site-nav__toggle-icon::after {
  top: 6px;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  display: inline-block;
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--color-text);
}

.site-nav__list a:hover {
  color: var(--color-primary);
}

/* Page header */
.page-header {
  margin-bottom: 18px;
}

.page-header__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.page-header__subtitle,
.page-header__desc {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.8;
}

.page-header__query {
  color: var(--color-secondary);
}

/* Category chips */
.category-chips {
  margin-bottom: 22px;
  overflow: hidden;
}

.category-chips__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-chips__track::-webkit-scrollbar {
  display: none;
}

.category-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-primary);
  font-size: 0.875rem;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.category-chip:hover {
  background: rgba(248, 162, 46, 0.12);
  border-color: rgba(248, 162, 46, 0.35);
  color: var(--color-primary);
}

.category-chip.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.category-chip.is-active:hover {
  background: var(--color-primary);
  color: #fff;
}

/* Layout */
.layout {
  display: block;
}

.layout__content {
  min-width: 0;
}

/* Post list & cards */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.post-card {
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.post-card__media {
  display: block;
  overflow: hidden;
}

.post-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0;
  background: #eef0f4;
}

.post-card__image--placeholder {
  object-fit: contain;
  padding: 24px;
  background: linear-gradient(135deg, #f8f9fb 0%, #eef1f6 100%);
}

.post-card__body {
  padding: 18px;
}

.post-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.post-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(48, 56, 115, 0.08);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 600;
}

.post-badge:hover {
  background: rgba(248, 162, 46, 0.15);
  color: var(--color-primary);
}

.post-card__title {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: 10px;
}

.post-card__title a {
  color: var(--color-text);
}

.post-card__title a:hover {
  color: var(--color-primary);
}

.post-card__excerpt {
  color: var(--color-muted);
  font-size: 0.925rem;
  line-height: 1.85;
  margin-bottom: 14px;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.8125rem;
  color: var(--color-muted);
}

.post-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post-meta__icon {
  font-size: 0.85rem;
  line-height: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 14px;
  border: 0;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary {
  background: var(--color-card);
  color: var(--color-primary);
  border: 1px solid rgba(48, 56, 115, 0.15);
}

.btn-secondary:hover {
  background: rgba(248, 162, 46, 0.12);
  color: var(--color-primary);
  border-color: rgba(248, 162, 46, 0.35);
}

.post-card__more {
  width: fit-content;
}

/* Pagination */
.pagination-nav {
  margin-top: 28px;
}

.pagination-nav ul.page-numbers {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}

.pagination-nav ul.page-numbers li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.pagination-nav ul.page-numbers a,
.pagination-nav ul.page-numbers span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.875rem;
}

.pagination-nav ul.page-numbers a:hover {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #fff;
}

.pagination-nav ul.page-numbers .current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.pagination-nav ul.page-numbers .dots {
  border: 0;
  background: transparent;
  min-width: auto;
}

/* Sidebar */
.site-sidebar {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-card,
.widget {
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.widget-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

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

.sidebar-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.9rem;
}

.sidebar-list li:last-child {
  border-bottom: 0;
}

.sidebar-list a {
  color: var(--color-text);
}

.sidebar-list a:hover {
  color: var(--color-primary);
}

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

.sidebar-recent-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
}

.sidebar-recent-list li:last-child {
  border-bottom: 0;
}

.sidebar-recent-list a {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.sidebar-recent-list time {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.sidebar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sidebar-tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(48, 56, 115, 0.06);
  color: var(--color-primary);
  font-size: 0.8125rem;
}

.sidebar-tag:hover {
  background: rgba(248, 162, 46, 0.15);
}

/* Single post */
.single-post {
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 20px;
  margin-bottom: 24px;
}

.single-post__header {
  margin-bottom: 20px;
}

.single-post__title {
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 800;
  line-height: 1.45;
  color: var(--color-text);
  margin: 12px 0;
}

.single-post__featured {
  margin-top: 18px;
  border-radius: 14px;
  overflow: hidden;
}

.single-post__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 14px;
}

.single-post__content {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-text);
}

.single-post__content h2,
.single-post__content h3,
.single-post__content h4 {
  color: var(--color-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.single-post__content h2 {
  font-size: 1.45rem;
}

.single-post__content h3 {
  font-size: 1.2rem;
}

.single-post__content p {
  margin-bottom: 1.1rem;
}

.single-post__content ul,
.single-post__content ol {
  margin-bottom: 1.25rem;
}

.single-post__content li {
  margin-bottom: 0.35rem;
}

.single-post__content blockquote {
  margin: 1.5rem 0;
  padding: 16px 18px;
  border-right: 4px solid var(--color-secondary);
  background: rgba(248, 162, 46, 0.08);
  border-radius: 12px;
  color: var(--color-text);
}

.single-post__content img {
  border-radius: 14px;
  margin: 1rem 0;
}

.single-post__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.single-post__content a:hover {
  color: var(--color-secondary);
}

.single-post__content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.925rem;
}

.single-post__content th,
.single-post__content td {
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  text-align: right;
}

.single-post__content th {
  background: rgba(48, 56, 115, 0.06);
  color: var(--color-primary);
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1rem 0;
}

.single-post__footer {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.single-post__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.single-post__footer-label {
  font-size: 0.875rem;
  color: var(--color-muted);
  font-weight: 600;
}

/* Related posts */
.related-posts {
  margin-bottom: 24px;
}

.related-posts__title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.related-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 12px;
  align-items: center;
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: 14px;
  padding: 10px;
  box-shadow: var(--shadow-soft);
}

.related-card__media {
  display: block;
  border-radius: 10px;
  overflow: hidden;
}

.related-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #eef0f4;
}

.related-card__title {
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0 0 6px;
}

.related-card__title a {
  color: var(--color-text);
}

.related-card__title a:hover {
  color: var(--color-primary);
}

.related-card__date {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* Comments */
.comments-area {
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 20px;
}

.comments-title {
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.comments-count {
  font-size: 0.9rem;
  color: var(--color-muted);
  font-weight: 400;
}

.comment-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.comment-list .children {
  list-style: none;
  margin: 12px 0 0;
  padding-right: 16px;
  border-right: 2px solid var(--color-border);
}

.comment-card {
  margin-bottom: 14px;
}

.comment-body {
  background: #fafbfc;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 14px;
}

.comment-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.comment-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.comment-avatar {
  border-radius: 50%;
}

.comment-date {
  font-size: 0.78rem;
  color: var(--color-muted);
}

.comment-content {
  font-size: 0.925rem;
  line-height: 1.85;
}

.comment-content p:last-child {
  margin-bottom: 0;
}

.comment-reply a {
  font-size: 0.8125rem;
  font-weight: 600;
}

.no-comments {
  color: var(--color-muted);
  margin-bottom: 18px;
}

.comment-form-card p {
  margin-bottom: 12px;
}

.comment-form-card label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.875rem;
  color: var(--color-text);
}

.comment-form-card input[type="text"],
.comment-form-card input[type="email"],
.comment-form-card input[type="url"],
.comment-form-card textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.comment-form-card input:focus,
.comment-form-card textarea:focus {
  border-color: rgba(48, 56, 115, 0.35);
  box-shadow: 0 0 0 3px rgba(48, 56, 115, 0.08);
}

.comment-form-card textarea {
  min-height: 120px;
  resize: vertical;
}

.comment-submit {
  border: 0;
}

/* Empty & error states */
.empty-state,
.error-page {
  background: var(--color-card);
  border: 1px solid rgba(48, 56, 115, 0.08);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  padding: 28px 20px;
  text-align: center;
}

.empty-state p,
.error-page__desc {
  color: var(--color-muted);
  margin-bottom: 18px;
}

.empty-state__search {
  max-width: 420px;
  margin: 0 auto 18px;
}

.error-page {
  margin: 20px auto;
  max-width: 560px;
}

.error-page__title {
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  color: var(--color-primary);
  margin-bottom: 10px;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: var(--color-card);
  border-top: 1px solid rgba(48, 56, 115, 0.08);
  padding: 28px 0 34px;
  margin-top: 20px;
}

.site-footer__inner {
  text-align: center;
}

.site-footer__brand {
  margin-bottom: 12px;
}

.site-footer__desc {
  max-width: 560px;
  margin: 0 auto 14px;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.85;
}

.site-footer__links {
  margin-bottom: 12px;
  font-size: 0.875rem;
}

.site-footer__sep {
  margin: 0 8px;
  color: var(--color-border);
}

.site-footer__menu {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.site-footer__menu a {
  font-size: 0.875rem;
  color: var(--color-text);
}

.site-footer__copy {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin: 0;
}

/* Responsive */
@media (min-width: 600px) {
  .related-posts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: 16px 0;
  }

  .category-chips__track {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (min-width: 900px) {
  .layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    gap: var(--layout-gap);
    align-items: start;
  }

  .layout__content {
    order: 1;
    max-width: var(--content-max);
    justify-self: end;
    width: 100%;
  }

  .site-sidebar {
    order: 2;
    margin-top: 0;
    justify-self: start;
    width: var(--sidebar-width);
  }

  .related-posts__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .related-card {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .related-card__media {
    margin-bottom: 8px;
  }
}

@media (max-width: 640px) {
  .site-nav__toggle {
    display: inline-flex;
  }

  .site-nav__list {
    display: none;
    flex-direction: column;
    gap: 0;
    margin-top: 10px;
    padding: 10px;
    background: #fafbfc;
    border: 1px solid var(--color-border);
    border-radius: 14px;
  }

  .site-nav.is-open .site-nav__list {
    display: flex;
  }

  .site-nav__list li {
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav__list li:last-child {
    border-bottom: 0;
  }

  .site-nav__list a {
    display: block;
    padding: 10px 4px;
  }
}

@media (max-width: 430px) {
  :root {
    --container-width: min(100% - 16px, 1120px);
  }

  .site-header__back-link {
    font-size: 0.8125rem;
  }

  .post-card__body,
  .single-post,
  .comments-area {
    padding: 14px;
  }

  .btn {
    width: 100%;
  }

  .post-card__more {
    width: 100%;
  }

  .error-page__actions .btn {
    width: 100%;
  }

  .related-card {
    grid-template-columns: 96px 1fr;
  }
}