/* Layout: header / sidebar / main / footer */

.site-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Header ===== */
.site-header {
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 32px;
  overflow: visible;
}

.site-brand {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 200px;
}

.site-brand__logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-text);
  line-height: 1.1;
}

.site-brand__logo .accent {
  color: var(--color-primary);
}

.site-brand__slogan {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
}

.site-nav__item {
  position: relative;
  font-size: 15px;
  color: var(--color-text-secondary);
  padding: 4px 2px;
  transition: color .2s;
}

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

.site-nav__item.is-active {
  color: var(--color-text);
  font-weight: 600;
}

.site-nav__item.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -10px;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  border-radius: 2px;
  background: var(--color-primary);
}

.site-nav__item .badge-new {
  position: absolute;
  top: -7px;
  right: -30px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header__user {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-secondary);
  font-size: 13px;
  font-weight: 600;
}

body.logged-in .site-header__actions > a[href*="/register"] {
  display: none;
}

.site-header__search-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all .2s;
}

.site-header__search-icon:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== Body grid: sidebar + main ===== */
.site-body {
  flex: 1;
  display: flex;
  align-items: flex-start;
}

.site-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid var(--color-border-light);
  padding: 24px 0;
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: width .25s ease;
}

/* Sidebar toggle button */
.sidebar-toggle {
  position: absolute;
  top: 10px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(11,18,32,.04);
  transition: transform .25s ease, color .2s, border-color .2s, background .2s, box-shadow .2s;
  z-index: 2;
}
.sidebar-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: 0 2px 6px rgba(47,107,255,.18);
}
.site-wrap.is-sidebar-collapsed .sidebar-toggle {
  transform: rotate(180deg);
  right: 50%;
  margin-right: -13px;
}

/* Collapsed mode: only icons */
.site-wrap.is-sidebar-collapsed .site-sidebar {
  width: 56px;
}
.site-wrap.is-sidebar-collapsed .sidebar-nav__item span,
.site-wrap.is-sidebar-collapsed .sidebar-publish-btn span,
.site-wrap.is-sidebar-collapsed .sidebar-tools__item span {
  display: none;
}
.site-wrap.is-sidebar-collapsed .sidebar-nav__item {
  padding: 10px 4px;
}
.site-wrap.is-sidebar-collapsed .sidebar-publish-btn {
  padding: 10px 0;
  font-size: 0;
  gap: 0;
}
.site-wrap.is-sidebar-collapsed .sidebar-publish-btn svg {
  width: 18px;
  height: 18px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 0 12px;
}

.sidebar-nav__item {
  width: 100%;
  padding: 10px 6px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--color-text-secondary);
  font-size: 12px;
  position: relative;
  transition: all .2s;
}

.sidebar-nav__item:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary);
}

.sidebar-nav__item.is-active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.sidebar-nav__item .icon {
  width: 22px;
  height: 22px;
}

.sidebar-nav__item .badge-new {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 9px;
  padding: 1px 4px;
}

.sidebar-bottom {
  margin-top: auto;
  padding: 0 12px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sidebar-tools {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

.sidebar-tools__item {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: all .2s;
}

.sidebar-tools__item:hover {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.sidebar-publish-btn {
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 6px 16px rgba(47,107,255,.35);
  transition: transform .15s, box-shadow .2s;
}

.sidebar-publish-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(47,107,255,.45);
}

/* ===== Main content ===== */
.site-main {
  flex: 1;
  min-width: 0;
  padding: 24px 32px 56px;
}

.main-inner {
  max-width: var(--container);
  margin: 0 auto;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
}

.site-footer__top {
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 32px 32px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr 1.1fr;
  gap: 40px;
}

.footer-col__title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col__list li {
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--color-footer-text);
}

.footer-col__list a:hover {
  color: var(--color-primary);
}

.footer-brand .site-brand__logo {
  color: #fff;
}

.footer-brand .site-brand__slogan {
  color: var(--color-footer-text-soft);
  margin-top: 6px;
  margin-bottom: 18px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background .2s;
}

.footer-social a:hover {
  background: var(--color-primary);
}

.footer-qr {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.footer-qr__img {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 6px;
  flex-shrink: 0;
}

.footer-qr__text strong {
  display: block;
  color: #fff;
  font-size: 14px;
  margin-bottom: 6px;
}

.footer-qr__text span {
  font-size: 12px;
  color: var(--color-footer-text-soft);
  display: block;
  line-height: 1.5;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  text-align: center;
  padding: 16px;
  font-size: 12px;
  color: var(--color-footer-text-soft);
}

.site-footer__beian {
  color: var(--color-footer-text-soft);
  margin-left: 10px;
  transition: color .2s;
}

.site-footer__beian:hover {
  color: var(--color-footer-text);
}

/* Responsive */
@media (max-width: 1500px) {
  .site-header__inner,
  .site-footer__top { padding-left: 24px; padding-right: 24px; }
  .site-main { padding: 24px 20px 56px; }
}

@media (max-width: 1024px) {
  .site-sidebar { display: none; }
  .site-nav { gap: 20px; }
  .site-footer__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .site-header {
    height: auto;
  }

  .site-header__inner {
    padding-left: 16px;
    padding-right: 16px;
    padding-top: 8px;
    padding-bottom: 8px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .site-brand {
    min-width: 0;
    flex: 1 1 auto;
  }

  .site-brand__slogan {
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-nav {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    min-width: 0;
    display: flex;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding: 4px 0 2px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav__item {
    flex: 0 0 auto;
    font-size: 13px;
  }

  .site-nav__item.is-active::after {
    bottom: -5px;
  }

  .site-nav__item .badge-new {
    display: none;
  }

  .site-header__actions {
    flex: 0 0 auto;
    gap: 8px;
  }

  .site-header__actions .btn,
  .site-header__user {
    display: none;
  }

  .site-header__actions .btn--outline {
    display: inline-flex;
    padding: 7px 12px;
    font-size: 13px;
  }

  .site-header__search-icon {
    width: 34px;
    height: 34px;
  }

  .site-main {
    padding-left: 12px;
    padding-right: 12px;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
    padding-left: 20px;
    padding-right: 20px;
  }
}