/* ==========================================================================
   App header / topbar
   ========================================================================== */

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-surface);
  border-bottom: 1px solid var(--border-color);
}

.app-topbar {
  min-height: 56px;
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-bottom: 1px solid var(--border-color);
}

.app-header-shell {
  padding: 0 1.5rem;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03), 0 10px 28px rgba(15, 23, 42, 0.05);
}

.app-header__inner {
  width: 100%;
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.app-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.app-header__desktop-nav {
  display: none;
  margin-left: 1.5rem;
}

.app-header__nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.app-header__nav-item,
.app-header__nav-divider {
  display: inline-flex;
  align-items: center;
}

.app-header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-header__login-link,
.app-header__profile {
  display: none;
}

.app-header__profile-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.app-header__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--color-surface);
  color: var(--color-text-strong, var(--color-text));
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
  transition: var(--transition-main);
}

.app-header__burger:hover,
.app-header__burger:focus-visible {
  border-color: rgba(129, 97, 217, 0.2);
  background: var(--primary-medium);
  color: var(--color-primary);
}

.app-header__burger-icon {
  font-size: 24px;
  line-height: 1;
}

.app-header__link,
.app-header__action-link {
  border: 0;
  color: var(--color-text);
  border-radius: 12px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 10px;
  padding-right: 10px;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  text-decoration: none;
  transition: var(--transition-main);
}

.app-nav-badge {
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(203, 213, 225, 0.9);
  color: var(--color-text-strong, var(--color-text));
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  line-height: 1;
}

.app-header__link:hover,
.app-header__link.is-active,
.app-header__action-link:hover,
.app-header__action-link.is-active,
.app-mobile-menu__link.is-active {
  background: var(--primary-medium);
  color: var(--color-primary);
}

.app-header__nav-divider-mark {
  color: var(--color-text-muted, #94a3b8);
  line-height: 1;
}

.app-mobile-menu__link {
  width: 100%;
  min-height: 46px;
  padding: 10px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 12px;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: var(--transition-main);
}

.app-mobile-menu__link:hover,
.app-mobile-menu__link:focus-visible {
  background: var(--primary-medium);
  color: var(--color-primary);
}

.app-logo {
  text-decoration: none;
  color: var(--color-text-strong, var(--color-text));
}

.app-logo:hover,
.app-logo:focus {
  color: var(--color-text-strong, var(--color-text));
  text-decoration: none;
}

.logo-icon,
.logo-accent {
  color: var(--color-primary);
}

.logo-text {
  color: var(--color-text-strong, var(--color-text));
}

.logo-icon {
  font-size: var(--font-size-xl);
}

.logo-text {
  font-weight: var(--font-weight-semibold);
}

/* Profile dropdown */

.app-profile-dropdown {
  position: relative;
  padding-bottom: 10px;
  margin-bottom: -10px;
}

.app-profile-link {
  min-height: 40px;
  padding: 5px 10px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.3px;
  outline: none;
  box-shadow: none;
}

.app-profile-link:hover,
.app-profile-link:focus-visible,
.app-profile-dropdown.is-open .app-profile-link,
.app-profile-dropdown:focus-within .app-profile-link {
  border-color: transparent;
  background: var(--primary-medium);
  color: var(--color-primary);
  text-decoration: none;
  outline: none;
  box-shadow: none;
}

.app-profile-menu {
  z-index: 1045;
}

.app-profile-menu > li {
  width: 100%;
  display: flex;
}

.app-profile-menu .ui-overflow-menu__item {
  width: 100%;
  box-sizing: border-box;
}

.app-profile-menu .ui-overflow-menu__item:hover,
.app-profile-menu .ui-overflow-menu__item:focus,
.app-profile-menu .ui-overflow-menu__item.is-active {
  background: var(--primary-medium);
  color: var(--color-primary);
}

.app-profile-menu__divider {
  margin: 6px 2px;
  border: 0;
  border-top: 1px solid var(--border-color);
  border-color: var(--border-color);
}

.app-profile-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 2px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.05);
}

.app-profile-avatar--icon i {
  font-size: 20px;
  line-height: 1;
  color: var(--color-text-muted);
}

.app-profile-dropdown:hover .app-profile-avatar--icon i {
  color: var(--color-primary);
}

.app-menu-divider {
  height: 1px;
  margin: 10px 6px;
  background: var(--border-color);
  opacity: 0.8;
}

.app-mobile-menu__header {
  display: flex;
  justify-content: flex-end;
  padding: 18px 20px 10px;
}

.app-mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 1080;
  display: none;
}

.app-mobile-menu.is-open {
  display: block;
}

.app-mobile-menu__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(15, 23, 42, 0.32);
  backdrop-filter: blur(2px);
}

.app-mobile-menu__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(100%, 420px);
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  box-shadow: -16px 0 40px rgba(15, 23, 42, 0.16);
}

.app-mobile-menu__nav {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.app-mobile-menu__item {
  display: block;
}

.app-mobile-menu__item--spaced {
  margin-top: 12px;
}

.app-mobile-menu__body {
  flex: 1;
  overflow-y: auto;
  padding: 0 20px calc(28px + env(safe-area-inset-bottom, 0px));
}

body.app-mobile-menu-open {
  overflow: hidden;
}

@media (min-width: 768px) {
  .app-header__desktop-nav {
    display: block;
  }

  .app-header__login-link,
  .app-header__profile {
    display: block;
  }

  .app-header__burger,
  .app-mobile-menu {
    display: none;
  }
}

@media (min-width: 768px) and (max-width: 1280px) {
  .app-header__inner {
    gap: 12px;
  }

  .app-header__desktop-nav {
    margin-left: 1rem;
  }

  .app-header__nav-list {
    gap: 0.6rem;
  }

  .app-header__link,
  .app-header__action-link,
  .app-profile-link {
    font-size: 16px;
  }

  .app-header__link,
  .app-header__action-link {
    gap: 6px;
    padding-left: 8px;
    padding-right: 8px;
  }

  .app-header__actions {
    gap: 10px;
  }

  .app-nav-badge {
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
  }
}

@media (max-width: 767.98px) {
  .app-header-shell {
    padding: 0 0.875rem;
  }

  .app-header__inner {
    min-height: 74px;
  }

  .app-header__brand {
    gap: 10px;
  }
}

/* Mobile bottom navigation */

.app-bottom-nav {
  display: none;
}

@media (max-width: 767.98px) {
  .app-shell-content {
    padding-bottom: calc(90px + env(safe-area-inset-bottom, 0px));
  }

  .app-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1040;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    background:
      linear-gradient(180deg, rgba(248, 250, 252, 0.94), rgba(255, 255, 255, 0.98));
    border-top: 1px solid rgba(203, 213, 225, 0.9);
    box-shadow: 0 -10px 24px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(16px);
  }

  .app-bottom-nav__item {
    position: relative;
    min-width: 0;
    min-height: 58px;
    padding: 8px 6px 7px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border-radius: 16px;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition-main);
  }

  .app-bottom-nav__item:hover,
  .app-bottom-nav__item:focus-visible {
    color: var(--color-text);
    background: rgba(15, 23, 42, 0.04);
    text-decoration: none;
  }

  .app-bottom-nav__item.is-active {
    color: var(--color-primary);
    background: var(--primary-medium);
    box-shadow: inset 0 0 0 1px rgba(129, 97, 217, 0.18);
  }

  .app-bottom-nav__icon {
    font-size: 20px;
    line-height: 1;
  }

  .app-bottom-nav__icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .app-nav-badge--bottom {
    position: absolute;
    top: -8px;
    right: -13px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 10px;
    box-shadow: 0 0 0 2px rgba(248, 250, 252, 0.98);
  }

  .app-bottom-nav__label {
    display: block;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: 0.01em;
  }
}