.sf-nav {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 8px 32px var(--shadow-primary);
}

.sf-nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem clamp(1rem, 4vw, 2.2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.sf-nav__menu {
  position: relative;
  display: flex;
  align-items: center;
  margin-right: 0.25rem;
}

.sf-nav__menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 0.45rem 0.85rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.sf-nav__menu-toggle:hover,
.sf-nav__menu-toggle:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px var(--shadow-secondary);
  outline: none;
}

.sf-nav__menu-toggle.is-active {
  background: color-mix(in srgb, var(--accent-primary) 12%, var(--bg-primary) 88%);
  border-color: color-mix(in srgb, var(--accent-primary) 40%, var(--border-light) 60%);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--shadow-primary) 35%, transparent);
}

.sf-nav__menu-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 14px;
}

.sf-nav__menu-icon svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.sf-nav__menu-icon-close {
  opacity: 0;
  transform: scale(0.85);
}

.sf-nav__menu-toggle.is-active .sf-nav__menu-icon-bars {
  opacity: 0;
  transform: scale(0.85);
}

.sf-nav__menu-toggle.is-active .sf-nav__menu-icon-close {
  opacity: 1;
  transform: scale(1);
}

.sf-nav__menu-label {
  letter-spacing: 0.02em;
}

[hidden] {
  display: none !important;
}

.sf-nav__drawer {
  position: absolute;
  top: calc(100% + 0.7rem);
  left: 0;
  min-width: 220px;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  box-shadow: 0 18px 36px color-mix(in srgb, var(--shadow-primary) 45%, transparent);
  padding: 0.75rem;
  backdrop-filter: blur(12px);
  z-index: 20;
}

.sf-nav__drawer::before {
  content: '';
  position: absolute;
  inset: -10px -6px 0;
  background: transparent;
  pointer-events: none;
}

.sf-nav__drawer-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.sf-nav__drawer-links button,
.sf-nav__drawer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.sf-nav__drawer-links button:hover,
.sf-nav__drawer-links button:focus-visible,
.sf-nav__drawer-links a:hover,
.sf-nav__drawer-links a:focus-visible {
  background: color-mix(in srgb, var(--accent-primary) 15%, transparent);
  transform: translateX(3px);
  outline: none;
}

.sf-nav__drawer-links button::after,
.sf-nav__drawer-links a::after {
  content: '>';
  font-size: 0.9rem;
  opacity: 0.6;
  transform: translateX(2px);
}

.sf-nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sf-nav__logo {
  width: 55px;
  height: 55px;
  object-fit: cover;
}

.sf-nav__wordmark {
  font-size: 0.95rem;
}

.sf-nav__links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin: 0;
}

.sf-nav__link {
  position: relative;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  padding: 0.2rem 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: color 0.2s ease;
}

.sf-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, color-mix(in srgb, var(--accent-primary) 60%, transparent) 50%, transparent 100%);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}

.sf-nav__link:hover,
.sf-nav__link:focus-visible {
  color: var(--accent-primary);
}

.sf-nav__link:hover::after,
.sf-nav__link:focus-visible::after {
  transform: scaleX(1);
}

.sf-nav__link.is-active {
  color: var(--accent-primary);
}

.sf-nav__link.is-active::after {
  transform: scaleX(1);
}

.sf-nav__meta {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-left: auto;
}

.sf-nav__controls {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.sf-nav__icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sf-nav__icon-btn:hover,
.sf-nav__icon-btn:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px var(--shadow-secondary);
}

.sf-nav__icon-btn--bell {
  position: relative;
}

.sf-nav__badge {
  position: absolute;
  top: -6px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sf-nav__select {
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.sf-nav__select:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--accent-primary) 35%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 20%, transparent);
}

.sf-nav__auth,
.sf-nav__profile {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  position: relative;
}

.sf-nav__avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.35rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.sf-nav__avatar-btn:hover,
.sf-nav__avatar-btn:focus-visible {
  border-color: var(--border-light);
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 12px 28px -24px var(--shadow-primary);
}

.sf-nav__avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.sf-nav__avatar-btn .sf-nav__avatar-img {
  width: 36px;
  height: 36px;
  object-fit: cover;
}

.sf-nav__avatar-caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
}

.sf-nav__profile-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  min-width: 180px;
  padding: 0.5rem;
  background: color-mix(in srgb, var(--bg-elevated) 94%, transparent);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  box-shadow: 0 24px 48px -32px var(--shadow-primary);
  display: grid;
  gap: 0.25rem;
  z-index: 120;
}

.sf-nav__profile-link {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  border-width: inherit;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease;
  text-align: left;
}

.sf-nav__profile-link:hover,
.sf-nav__profile-link:focus-visible {
  background: rgba(63, 183, 180, 0.12);
  color: var(--accent-primary);
}

.sf-nav__profile-link--danger {
  color: var(--notify-error);
  background: none;
  border-width: inherit;
  width: 100%;
  cursor: pointer;
}

.sf-nav__profile-link--danger:hover,
.sf-nav__profile-link--danger:focus-visible {
  background: rgba(220, 65, 65, 0.12);
  color: var(--notify-error);
}

.sf-nav__profile-form {
  margin: 0;
}

.sf-nav__btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  background: transparent;
  color: var(--text-primary);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.sf-nav__btn:hover,
.sf-nav__btn:focus-visible {
  transform: translateY(-1px);
}

.sf-nav__btn--ghost {
  border-color: color-mix(in srgb, var(--text-primary) 16%, transparent);
  background: transparent;
}

.sf-nav__btn--ghost:hover,
.sf-nav__btn--ghost:focus-visible {
  border-color: color-mix(in srgb, var(--accent-primary) 25%, transparent);
  color: var(--accent-primary);
}

.sf-nav__btn--primary {
  background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
  color: var(--text-white);
  box-shadow: 0 14px 28px color-mix(in srgb, var(--shadow-secondary) 60%, transparent);
}

.sf-nav__btn--primary:hover,
.sf-nav__btn--primary:focus-visible {
  box-shadow: 0 18px 34px color-mix(in srgb, var(--shadow-secondary) 70%, transparent);
}

.sf-nav__greeting {
  font-size: 0.9rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.sf-nav__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sf-nav__avatar:hover,
.sf-nav__avatar:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px var(--shadow-secondary);
}

.sf-nav__avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 960px) {
  .sf-nav__container {
    flex-wrap: wrap;
    row-gap: 1.1rem;
  }

  .sf-nav__menu {
    order: 1;
  }

  .sf-nav__links {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    column-gap: 1.4rem;
    row-gap: 0.6rem;
    flex-wrap: wrap;
  }

  .sf-nav__meta {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (max-width: 640px) {
  .sf-nav__menu-label {
    display: none;
  }

  .sf-nav__meta {
    flex-wrap: wrap;
    gap: 0.9rem;
    justify-content: space-between;
  }

  .sf-nav__controls {
    order: 2;
  }

  .sf-nav__auth {
    width: 100%;
    justify-content: flex-end;
  }

  .sf-nav__profile {
    width: 100%;
    justify-content: space-between;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

#themeIcon {
  width: 18px;
  height: 18px;
  object-fit: contain;
}
.sf-nav__profile-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.sf-nav__btn--icon {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
}

.sf-nav__more {
  position: relative;
}

.sf-nav__more-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 0.6rem 0.4rem;
  display: grid;
  gap: 0.2rem;
  min-width: 200px;
  box-shadow: 0 18px 38px color-mix(in srgb, var(--shadow-secondary) 45%, transparent);
  z-index: 10;
}

.sf-nav__more-menu a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.9rem;
}

.sf-nav__more-menu a:hover,
.sf-nav__more-menu a:focus-visible {
  background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
}

/* ===============================
   SKYFUNS NAV - RESPONSIVE IMPROVEMENTS
   =============================== */

/* --- Base --- */
.sf-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  backdrop-filter: blur(14px);
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 6px 16px var(--shadow-soft);
  z-index: 100;
}

.sf-nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem clamp(1rem, 4vw, 2rem);
  gap: 1rem;
}

/* --- Brand --- */
.sf-nav__brand {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex: 0 0 auto;
}

.sf-nav__logo {
  width: 52px;
  width: 82px;
  height: 52px;
  object-fit: contain;
  display: block;
}

.sf-nav__link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
  position: relative;
  transition: color 0.2s ease;
}

.sf-nav__link:hover,
.sf-nav__link.is-active {
  color: var(--accent-primary);
}

/* --- Meta Section --- */
.sf-nav__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 0 0 auto;
}

/* --- Medium devices (tablet zone) --- */
@media (max-width: 1024px) {
  .sf-nav__container {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .sf-nav__links {
    flex-wrap: wrap;
    justify-content: flex-start;
    order: 3;
    width: 100%;
    gap: 1.2rem;
    padding: 0.4rem 0;
  }

  .sf-nav__meta {
    order: 2;
  }

  .sf-nav__logo {
    width: 46px;
    height: 46px;
  }
}

/* --- Mobile / Drawer layout --- */
@media (max-width: 768px) {
  .sf-nav__links {
    display: none;
  }

  .sf-nav__menu {
    order: 1;
  }

  .sf-nav__brand {
    order: 2;
    justify-content: flex-start;
    flex: 1;
  }

  .sf-nav__meta {
    order: 3;
    display: none; /* keep header clean */
  }

  /* Drawer */
  .sf-nav__drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 340px;
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    box-shadow: 8px 0 28px var(--shadow-primary);
    transform: translateX(-100%);
    transition: transform 0.35s ease;
    z-index: 200;
    padding: 1.6rem 1.2rem;
    overflow-y: auto;
  }

  .sf-nav__drawer.is-open {
    transform: translateX(0);
  }

  .sf-nav__drawer-links {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
  }

  .sf-nav__drawer-links a {
    font-size: 1.05rem;
    padding: 0.8rem 0.6rem;
    border-radius: 10px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .sf-nav__drawer-links a:hover {
    background: var(--bg-primary);
    color: var(--accent-primary);
  }

  /* Backdrop */
  .sf-nav__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease;
    z-index: 150;
  }

  .sf-nav__backdrop.is-active {
    opacity: 1;
    visibility: visible;
  }
}

/* --- Small devices --- */
@media (max-width: 480px) {
  .sf-nav__container {
    padding: 0.7rem 1rem;
  }

  .sf-nav__logo {
    width: 42px;
    height: 42px;
  }

  .sf-nav__drawer {
    width: 88%;
    max-width: 320px;
  }
}