/*  ═══════════════════════════════════════════════════════════════
    Navbar Component
    Responsive nav with glassmorphism, mobile hamburger menu
    ═══════════════════════════════════════════════════════════════ */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  z-index: 100;
  background: var(--color-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Logo ─────────────────────────────────────────────────────── */
.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.navbar__logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  box-shadow: var(--shadow-md);
}

/* ── Nav links ────────────────────────────────────────────────── */
.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.navbar__link {
  padding: 10px var(--space-4);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-fast);
}

.navbar__link:hover {
  color: var(--color-text-primary);
  background: var(--color-soft-fill-2);
}

.navbar__link--active {
  color: var(--color-text-primary);
  background: color-mix(in srgb, var(--color-accent) 22%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 45%, transparent);
}

/* ── User section in navbar ───────────────────────────────────── */
.navbar__user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.navbar__user--dropdown {
  position: relative;
}

.navbar__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.navbar__avatar:hover {
  border-color: var(--color-accent);
}

.navbar__user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.navbar__account-trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--color-border);
  background: var(--color-bg-glass);
  border-radius: var(--radius-full);
  padding: 4px 12px 4px 4px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.navbar__account-trigger:hover {
  border-color: var(--color-border-hover);
  background: var(--color-bg-glass-hover);
}

.navbar__account-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  width: min(290px, 92vw);
  border: 1px solid var(--color-border);
  background: var(--color-panel-bg);
  backdrop-filter: blur(18px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  padding: var(--space-2);
  display: none;
  z-index: 210;
}

.navbar__account-menu--open {
  display: block;
}

.navbar__account-header {
  padding: var(--space-3) var(--space-3) var(--space-2);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2);
}

.navbar__account-name {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.navbar__account-email {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
  margin-top: 2px;
}

.navbar__account-action {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  border: none;
  background: transparent;
  text-decoration: none;
}

.navbar__account-action:hover {
  background: var(--color-soft-fill-2);
  color: var(--color-text-primary);
}

.navbar__account-action--danger:hover {
  color: var(--color-error);
}

/* ── Hamburger ────────────────────────────────────────────────── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  padding: 0;
}

.navbar__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-secondary);
  border-radius: 1px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger active state */
.navbar__hamburger--active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.navbar__hamburger--active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.navbar__hamburger--active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile menu ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .navbar__hamburger {
    display: flex;
  }

  .navbar__links {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-nav-mobile-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4);
    gap: var(--space-1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }

  .navbar__links--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .navbar__link {
    width: 100%;
    padding: var(--space-3) var(--space-4);
  }

  .navbar__user {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2);
    width: 100%;
    justify-content: space-between;
  }

  .navbar__account-menu {
    right: var(--space-4);
    left: var(--space-4);
    width: auto;
  }
}