/* TomBotRAG shared navbar styles */
:root {
  --nav-accent:      #667eea;
  --nav-accent-dark: #5a67d8;
  --nav-success:     #10b981;
  --nav-danger:      #ef4444;
  --nav-bg:          #1a1a2e;
  --nav-bg-hover:    rgba(255,255,255,.08);
  --nav-text:        #e2e8f0;
  --nav-text-muted:  rgba(226,232,240,.65);
  --nav-height:      52px;
}

/* ── Element host ─────────────────────────────────────────────────────────── */
tom-navbar { display: block; width: 100%; }

/* ── Bar ──────────────────────────────────────────────────────────────────── */
.tombot-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 4px;
  z-index: 10000;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
  font-size: .875rem;
}

/* ── Logo / brand ─────────────────────────────────────────────────────────── */
.tombot-nav__brand {
  color: var(--nav-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-right: 12px;
  white-space: nowrap;
  flex-shrink: 0;
}
.tombot-nav__brand:hover { color: white; }
.tombot-nav__logo { display: flex; align-items: center; flex-shrink: 0; }

/* ── Pointer cursors ──────────────────────────────────────────────────────── */
.tombot-nav__link,
.tombot-nav__hamburger,
.tombot-nav__dd-item {
  cursor: pointer;
}

/* ── Nav links (desktop) ──────────────────────────────────────────────────── */
.tombot-nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}

.tombot-nav__link {
  color: var(--nav-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: color .15s, background .15s;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.tombot-nav__link:hover {
  color: var(--nav-text);
  background: var(--nav-bg-hover);
}
.tombot-nav__link--active {
  color: var(--nav-text);
  border-bottom-color: var(--nav-accent);
}
.tombot-nav__badge {
  font-size: .65rem;
  background: var(--nav-accent);
  color: white;
  border-radius: 4px;
  padding: 1px 4px;
  font-weight: 700;
  letter-spacing: .03em;
}

/* ── Spacer ───────────────────────────────────────────────────────────────── */
.tombot-nav__spacer { flex: 1; }

/* ── User menu ────────────────────────────────────────────────────────────── */
.tombot-nav__user {
  position: relative;
}
.tombot-nav__user-btn {
  background: none;
  border: 1px solid rgba(226,232,240,.2);
  color: var(--nav-text-muted);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  transition: color .15s, border-color .15s, background .15s;
  white-space: nowrap;
}
.tombot-nav__user-btn:hover {
  color: var(--nav-text);
  border-color: rgba(226,232,240,.5);
  background: var(--nav-bg-hover);
}
.tombot-nav__caret {
  font-size: .6rem;
  opacity: .7;
  transition: transform .2s;
}
.tombot-nav__user-btn[aria-expanded="true"] .tombot-nav__caret {
  transform: rotate(180deg);
}

.tombot-nav__dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: #252545;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  min-width: 160px;
  overflow: hidden;
  z-index: 10001;
}
.tombot-nav__dropdown.open { display: block; }

.tombot-nav__dd-item {
  display: block;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  color: var(--nav-text-muted);
  font-size: .82rem;
  text-align: left;
  cursor: pointer;
  text-decoration: none;
  transition: background .12s, color .12s;
}
.tombot-nav__dd-item:hover {
  background: var(--nav-bg-hover);
  color: var(--nav-text);
}
.tombot-nav__dd-divider {
  border: none;
  border-top: 1px solid rgba(255,255,255,.08);
  margin: 4px 0;
}
.tombot-nav__dd-item--danger:hover { color: var(--nav-danger); }

/* ── Hamburger (mobile) ───────────────────────────────────────────────────── */
.tombot-nav__hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--nav-text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  margin-left: auto;
  flex-direction: column;
  gap: 4px;
}
.tombot-nav__hamburger:hover { background: var(--nav-bg-hover); color: var(--nav-text); }
.tombot-nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s, opacity .2s;
}

/* ── Mobile drawer ────────────────────────────────────────────────────────── */
.tombot-nav__mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--nav-bg);
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 8px 0 12px;
  z-index: 9999;
  box-shadow: 0 4px 16px rgba(0,0,0,.4);
}
.tombot-nav__mobile-menu.open { display: block; }
.tombot-nav__mobile-menu .tombot-nav__link {
  display: block;
  padding: 10px 20px;
  border-radius: 0;
  border-bottom: none;
  border-left: 2px solid transparent;
}
.tombot-nav__mobile-menu .tombot-nav__link--active {
  border-left-color: var(--nav-accent);
  color: var(--nav-text);
  background: var(--nav-bg-hover);
}
.tombot-nav__mobile-menu .tombot-nav__user-btn { margin: 8px 20px 0; width: calc(100% - 40px); }

/* ── Minimal mode (auth pages) ────────────────────────────────────────────── */
.tombot-nav--minimal {
  justify-content: center;
  gap: 0;
}
.tombot-nav--minimal .tombot-nav__brand { margin-right: 0; }

/* ── Page body offset ─────────────────────────────────────────────────────── */
.tombot-nav-offset { padding-top: var(--nav-height) !important; }

@media (max-width: 768px) {
  .tombot-nav__links  { display: none; }
  .tombot-nav__user   { display: none; }
  .tombot-nav__hamburger { display: flex; }
}