:root {
  --nav-overlap: 3.6rem;
  --nav-safe-gap: 2.9rem;
  --page-top-buffer: 2.9rem;
  --nav-shell-gutter: clamp(0.28rem, 0.8vw, 0.7rem);
  --nav-shell-max-width: 1800px;
  --nav-shell-bg: linear-gradient(135deg, rgba(232, 245, 249, 0.78), rgba(255, 246, 228, 0.78));
  --nav-shell-line: #dce7f1;
  --nav-shell-shadow: 0 12px 30px rgba(18, 35, 56, 0.08);
  --nav-ink: #1b3148;
  --nav-ink-soft: #36526d;
  --nav-hover-bg: #f4f8fb;
  --nav-hover-line: #d6e1ec;
  --nav-active-start: #124f69;
  --nav-active-end: #0f8f89;
  --nav-active-shadow: 0 8px 18px rgba(15, 122, 125, 0.3);
  --nav-cta-bg: #1a3148;
  --nav-cta-bg-hover: #13283d;
  --nav-cta-shadow: 0 10px 22px rgba(14, 31, 47, 0.26);
}

.site-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 1040;
  padding: 0.8rem var(--nav-shell-gutter);
  background: transparent;
  backdrop-filter: none;
  margin-bottom: calc(-1 * var(--nav-overlap));
  transition: none;
}

.site-nav {
  border: 1px solid var(--nav-shell-line);
  border-radius: 16px;
  background: var(--nav-shell-bg);
  box-shadow: var(--nav-shell-shadow);
  max-width: min(var(--nav-shell-max-width), 100%);
  margin-inline: auto;
  backdrop-filter: blur(12px) saturate(125%);
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  padding: 0.5rem 0.55rem;
  will-change: transform;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.site-nav a,
.site-nav a:hover {
  text-decoration: none;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--nav-ink);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
  line-height: 1;
  transition: transform 0.2s ease;
}

.site-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #0d4f67, #168f89);
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(13, 79, 103, 0.28);
}

.site-nav .navbar-nav {
  gap: 0.25rem;
}

.site-nav-link {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.46rem 0.92rem !important;
  color: var(--nav-ink-soft);
  font-weight: 600;
  line-height: 1.2;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.site-nav-link:hover,
.site-nav-link:focus {
  color: var(--nav-ink);
  background: var(--nav-hover-bg);
  border-color: var(--nav-hover-line);
}

.site-nav-link.active-page {
  color: #fff;
  background: linear-gradient(130deg, var(--nav-active-start), var(--nav-active-end));
  border-color: transparent;
  font-weight: 700;
  box-shadow: var(--nav-active-shadow);
}

.site-nav .dropdown-menu {
  border-radius: 12px;
  border: 1px solid var(--nav-shell-line);
  box-shadow: 0 16px 30px rgba(17, 40, 61, 0.1);
  padding: 0.45rem;
  min-width: 15rem;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(8px);
  transform-origin: top right;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.site-nav .dropdown-menu.show {
  opacity: 1;
  transform: translateY(0);
}

.site-nav .dropdown-item {
  border-radius: 9px;
  padding: 0.5rem 0.65rem;
}

.site-nav .dropdown-item:hover {
  background: #f1f6fb;
}

.site-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
  border: 1px solid var(--nav-cta-bg);
  border-radius: 999px;
  background: var(--nav-cta-bg);
  color: #fff;
  padding: 0.54rem 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.site-nav-search {
  margin-left: 0.45rem;
  margin-right: 0.4rem;
  position: relative;
  align-items: center;
}

.site-nav-search-input {
  width: clamp(180px, 16vw, 240px);
  height: 40px;
  border-radius: 999px;
  border: 1px solid #cfdae6;
  background: rgba(255, 255, 255, 0.88);
  color: var(--nav-ink);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0 2.5rem 0 0.85rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.site-nav-search-input::placeholder {
  color: #6c829b;
}

.site-nav-search-input:focus {
  outline: none;
  border-color: #a4b8cf;
  box-shadow: 0 0 0 0.2rem rgba(15, 143, 137, 0.14);
  background: #fff;
}

.site-nav-search-button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(130deg, var(--nav-active-start), var(--nav-active-end));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px rgba(15, 122, 125, 0.2);
}

.site-nav-search-button:hover,
.site-nav-search-button:focus {
  background: linear-gradient(130deg, #0f4f69, #0d7b76);
}

.site-nav-cta:hover,
.site-nav-cta:focus {
  transform: translateY(-1px);
  color: #fff;
  background: var(--nav-cta-bg-hover);
  border-color: var(--nav-cta-bg-hover);
  box-shadow: var(--nav-cta-shadow);
}

/* ── Actions group (bell + avatar + hamburger) ─────────────── */
.site-nav-actions {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  order: 3;          /* after brand(1) and collapse(2) on desktop */
}

/* On desktop the hamburger is hidden by Bootstrap;
   bell + avatar sit at the right end of the nav bar. */
@media (max-width: 991px) {
  .site-nav-actions {
    order: 2;        /* between brand and collapse on mobile */
    margin-left: auto;
  }

  /* sign-in link in the actions bar on mobile */
  .site-nav-actions .site-nav-signin {
    padding: 0.32rem 0.7rem;
    font-size: 0.8rem;
  }
}

.site-nav-toggler {
  border: 1px solid #d7e2ed;
  border-radius: 10px;
  width: 42px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
}

.site-nav-toggler:focus {
  box-shadow: 0 0 0 0.2rem rgba(15, 143, 137, 0.2);
}

.site-nav-toggler-lines {
  display: block;
  width: 18px;
  height: 12px;
  position: relative;
}

.site-nav-toggler-lines::before,
.site-nav-toggler-lines::after,
.site-nav-toggler-lines span {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: 4px;
  background: #203954;
}

.site-nav-toggler-lines::before {
  top: 0;
}

.site-nav-toggler-lines span {
  top: 5px;
}

.site-nav-toggler-lines::after {
  top: 10px;
}

.site-nav-wrap.nav-compact {
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.site-nav-wrap.nav-compact .site-nav {
  border-color: #d2deea;
  box-shadow: 0 12px 28px rgba(18, 35, 56, 0.15);
  transform: translateY(-1px);
}

.site-nav-wrap.nav-compact .site-brand {
  transform: scale(0.98);
}

.site-nav-wrap.nav-compact .site-brand-mark {
  width: 36px;
  height: 36px;
}

#main-content > :first-child {
  margin-top: calc(-1 * var(--nav-overlap, 3.6rem));
  padding-top: calc(var(--nav-overlap, 3.6rem) + var(--nav-safe-gap, 0.95rem));
}

@media (min-width: 992px) {
  .site-nav .dropdown-menu {
    left: auto;
    right: 0;
  }
}

@media (max-width: 991px) {
  :root {
    --nav-overlap: 2.8rem;
    --nav-safe-gap: 2.1rem;
    --page-top-buffer: 2.1rem;
    --nav-shell-gutter: clamp(0.5rem, 3.5vw, 1rem);
  }

  .site-nav-wrap {
    margin-bottom: calc(-1 * var(--nav-overlap));
  }

  .site-nav {
    border-radius: 14px;
  }

  .site-nav .navbar-collapse {
    margin-top: 0.75rem;
    padding-top: 0.35rem;
    border-top: 1px solid #e1eaf3;
  }

  .site-nav .navbar-nav {
    gap: 0.35rem;
  }

  .site-nav .navbar-nav .nav-link {
    width: 100%;
  }

  .site-nav .dropdown-menu {
    min-width: 100%;
    margin-top: 0.35rem;
    transform-origin: top center;
  }

  .site-nav-cta {
    width: 100%;
    margin: 0.65rem 0 0;
  }

  .site-nav-search {
    margin: 0.65rem 0 0;
  }

  .site-nav-wrap.nav-compact .site-nav {
    transform: none;
  }

  .site-nav-signin {
    margin: 0.5rem 0 0;
  }
}

/* ── Auth nav: signed-out ─────────────────────────────────── */
.site-nav-signin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-left: 0.45rem;
  padding: 0.42rem 0.95rem;
  border: 1px solid var(--nav-hover-line);
  border-radius: 999px;
  background: transparent;
  color: var(--nav-ink-soft);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-nav-signin i {
  font-size: 0.82rem;
  opacity: 0.65;
  transition: opacity 0.2s ease;
}

.site-nav-signin:hover,
.site-nav-signin:focus {
  color: var(--nav-ink);
  background: var(--nav-hover-bg);
  border-color: #c5d2df;
  text-decoration: none;
}

.site-nav-signin:hover i {
  opacity: 1;
}

/* ── Notification bell ─────────────────────────────────────── */
.site-nav-notif-bell {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--nav-ink-soft);
  text-decoration: none;
  border-radius: 50%;
  border: 1px solid transparent;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  font-size: 1rem;
  margin-left: 0.25rem;
}

.site-nav-notif-bell:hover {
  background: var(--nav-hover-bg);
  border-color: var(--nav-hover-line);
  color: var(--nav-ink);
}

.site-nav-notif-badge {
  position: absolute;
  top: 6px;
  right: 5px;
  width: 7px;
  height: 7px;
  background: #ef4444;
  border-radius: 50%;
  border: 1.5px solid #fff;
  pointer-events: none;
}

.site-nav-account-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--nav-ink-soft);
  background: var(--nav-hover-bg);
  border-radius: 999px;
  margin-left: auto;
}

/* ── Toast notifications ──────────────────────────────────── */
#notif-toast-wrap {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column-reverse;
  gap: 0.5rem;
  pointer-events: none;
  max-width: 360px;
  width: 100%;
}

.notif-toast {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 0.9rem;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 8px 30px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.04);
  color: #1b3148;
  text-decoration: none;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(12px) scale(.97);
  transition: opacity .25s ease, transform .25s ease;
  cursor: pointer;
}

.notif-toast:hover {
  border-color: #cbd5e1;
  text-decoration: none;
  color: #1b3148;
}

.notif-toast--show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.notif-toast--out {
  opacity: 0;
  transform: translateY(8px) scale(.97);
  transition: opacity .2s ease, transform .2s ease;
}

.notif-toast-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.8rem;
  background: #f0f5ff;
  color: #3b82f6;
}

.notif-toast-icon--like {
  background: #fef2f2;
  color: #ef4444;
}

.notif-toast-icon--reply {
  background: #f0fdf4;
  color: #22c55e;
}

.notif-toast-icon--status_change {
  background: #fefce8;
  color: #eab308;
}

.notif-toast-body {
  flex: 1;
  min-width: 0;
}

.notif-toast-msg {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1.35;
  color: #1b3148;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.notif-toast-time {
  font-size: 0.7rem;
  color: #8494a7;
  margin-top: 2px;
  display: block;
}

.notif-toast-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 1rem;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  pointer-events: auto;
  transition: color .15s;
}

.notif-toast-close:hover {
  color: #475569;
}

/* ── Live-injected notification item enter animation ──────── */
.notif-item {
  transition: opacity .3s ease, transform .3s ease;
}

.notif-item--enter {
  animation: notifSlideIn .35s ease forwards;
}

@keyframes notifSlideIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 480px) {
  #notif-toast-wrap {
    right: 0.75rem;
    left: 0.75rem;
    max-width: 100%;
  }
}

/* ── Auth nav: avatar toggle button ──────────────────────── */
.site-nav-account-toggle {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 2px solid transparent;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  margin-left: 0.45rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-nav-account-toggle img {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.site-nav-account-toggle:hover,
.site-nav-account-toggle:focus-visible {
  border-color: var(--nav-hover-line);
  box-shadow: 0 0 0 3px rgba(15, 143, 137, 0.08);
}

.site-nav-account-toggle[aria-expanded="true"] {
  border-color: var(--nav-active-end);
  box-shadow: 0 0 0 3px rgba(15, 143, 137, 0.15);
}

/* ── Left-side user drawer ──────────────────────────────────── */
.user-drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1049;
  background: rgba(18, 30, 50, 0.28);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.user-drawer-backdrop--open {
  opacity: 1;
  pointer-events: auto;
}

/* body scroll lock when drawer is open */
body.user-drawer-is-open {
  overflow: hidden;
}

.user-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 1050;
  width: 270px;
  display: flex;
  flex-direction: column;
  background: linear-gradient(
    160deg,
    rgba(232, 245, 249, 0.94) 0%,
    rgba(255, 246, 228, 0.94) 100%
  );
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-right: 1px solid var(--nav-shell-line);
  box-shadow: 8px 0 50px rgba(18, 37, 58, 0.16),
              2px 0 8px rgba(18, 37, 58, 0.06);
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
  overflow: hidden;
}

.user-drawer--open {
  transform: translateX(0);
}

/* ── Close button ─── */
.user-drawer-close {
  position: absolute;
  top: 0.85rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--nav-ink-soft);
  font-size: 0.95rem;
  cursor: pointer;
  z-index: 1;
  transition: background 0.18s, color 0.18s, transform 0.18s;
}

.user-drawer-close:hover {
  background: var(--nav-hover-bg);
  color: var(--nav-ink);
  transform: scale(1.08);
}

/* ── Profile area ─── */
.user-drawer-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.2rem 1.2rem 1.3rem;
  position: relative;
}

.user-drawer-profile::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.2rem;
  right: 1.2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--nav-shell-line) 20%, var(--nav-shell-line) 80%, transparent);
}

.user-drawer-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 0.65rem;
  box-shadow: 0 4px 14px rgba(18, 37, 58, 0.12);
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.user-drawer-name {
  font-weight: 700;
  font-size: 0.96rem;
  color: var(--nav-ink);
  line-height: 1.3;
}

.user-drawer-handle {
  font-size: 0.73rem;
  color: var(--nav-ink-soft);
  margin-top: 0.12rem;
  letter-spacing: 0.01em;
}

/* ── Nav links ─── */
.user-drawer-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.7rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-drawer-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.62rem 0.8rem;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--nav-ink-soft);
  text-decoration: none;
  border: none;
  background: transparent;
  cursor: pointer;
  width: 100%;
  text-align: left;
  border-left: 3px solid transparent;
  transition: background 0.18s ease, color 0.18s ease,
              transform 0.18s ease, border-color 0.18s ease;
}

.user-drawer-link i {
  font-size: 0.82rem;
  opacity: 0.5;
  width: 1.1em;
  text-align: center;
  transition: opacity 0.18s, transform 0.18s;
}

.user-drawer-link span {
  flex: 1;
}

.user-drawer-link:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--nav-ink);
  text-decoration: none;
  transform: translateX(3px);
}

.user-drawer-link:hover i {
  opacity: 1;
}

/* ── Active link with teal accent bar ─── */
.user-drawer-link--active {
  background: rgba(255, 255, 255, 0.6);
  color: var(--nav-ink);
  font-weight: 600;
  border-left-color: var(--nav-active-end);
}

.user-drawer-link--active i {
  opacity: 1;
  color: var(--nav-active-end);
}

.user-drawer-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.62rem;
  font-weight: 700;
  color: #fff;
  background: #ef4444;
  border-radius: 999px;
  line-height: 1;
}

.user-drawer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--nav-shell-line) 15%, var(--nav-shell-line) 85%, transparent);
  margin: 0.4rem 0.8rem;
}

/* ── Sign out ─── */
.user-drawer-signout {
  padding: 0.45rem 0.6rem;
  border-top: 1px solid var(--nav-shell-line);
}

.user-drawer-link--signout {
  color: #b33a2f;
  border-left-color: transparent;
}

.user-drawer-link--signout:hover {
  background: rgba(254, 242, 242, 0.7);
  color: #991b1b;
  border-left-color: #ef4444;
}

.user-drawer-link--signout i {
  color: #b33a2f;
  opacity: 0.65;
}

.user-drawer-link--signout:hover i {
  color: #991b1b;
  opacity: 1;
}

/* ── Social icons with brand hover colors ─── */
.user-drawer-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 0.6rem 1.1rem;
}

.user-drawer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  color: var(--nav-ink-soft);
  font-size: 0.95rem;
  transition: background 0.18s, color 0.18s, transform 0.18s;
}

.user-drawer-social a:hover {
  transform: translateY(-2px);
}

/* LinkedIn */
.user-drawer-social a[aria-label="LinkedIn"]:hover {
  background: rgba(10, 102, 194, 0.1);
  color: #0a66c2;
}

/* GitHub */
.user-drawer-social a[aria-label="GitHub"]:hover {
  background: rgba(27, 49, 72, 0.08);
  color: var(--nav-ink);
}

/* Instagram */
.user-drawer-social a[aria-label="Instagram"]:hover {
  background: rgba(225, 48, 108, 0.08);
  color: #e1306c;
}

/* ── Drawer responsive ─── */
@media (max-width: 480px) {
  .user-drawer {
    width: 80vw;
    max-width: 300px;
  }
}