/* ============================================================================
   DREAMDRAGON - NAVIGATION & HEADER STYLES
   ============================================================================ */

/* === HEADER CONTAINER === */
.dd-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(2, 6, 23, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: var(--z-navbar);
  transition: all var(--transition-fast);
}

.dd-header.scrolled {
  background: rgba(2, 6, 23, 0.98);
  box-shadow: var(--shadow-soft);
}

/* === NAVIGATION INNER === */
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

/* === LOGO === */
.dd-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--text-main);
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.dd-logo:hover {
  transform: translateY(-1px);
}

.logo-dot {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at 30% 30%, var(--accent-purple), #4c1d95);
  box-shadow: var(--shadow-purple);
  position: relative;
  overflow: hidden;
}

.logo-dot::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  right: 2px;
  bottom: 2px;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent);
}

.logo-text {
  white-space: nowrap;
  font-family: var(--font-family-pixel);
  font-size: 14px;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--text-main), var(--accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* === NAVIGATION MENU === */
.dd-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.dd-nav a {
  position: relative;
  padding: var(--space-sm) var(--space-md);
  color: var(--text-muted);
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.dd-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-purple-soft), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.dd-nav a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent-neon), var(--accent-purple));
  transform: translateX(-50%);
  transition: width var(--transition-fast);
}

.dd-nav a:hover {
  color: var(--text-main);
  transform: translateY(-2px);
}

.dd-nav a:hover::before {
  opacity: 1;
}

.dd-nav a:hover::after {
  width: 80%;
}

.dd-nav .highlight {
  color: var(--accent-neon);
  font-weight: var(--font-weight-semibold);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.dd-nav .highlight:hover {
  color: #4ade80;
  background: rgba(34, 197, 94, 0.2);
  border-color: rgba(34, 197, 94, 0.5);
  box-shadow: var(--shadow-neon);
}

/* === MOBILE MENU TOGGLE === */
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--bg-alt);
  border-color: var(--accent-purple);
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: var(--radius-pill);
  background: var(--text-main);
  position: relative;
  transition: all 0.25s ease;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav-toggle span::before {
  top: -6px;
}

.nav-toggle span::after {
  top: 6px;
}

.nav-toggle.active span {
  transform: rotate(45deg);
  background: var(--accent-purple);
}

.nav-toggle.active span::before {
  transform: rotate(-90deg) translateX(-6px);
  background: var(--accent-purple);
}

.nav-toggle.active span::after {
  opacity: 0;
}

/* === USER MENU === */
.user-menu {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.user-avatar:hover {
  transform: scale(1.05);
  border-color: var(--accent-purple);
  box-shadow: var(--shadow-purple);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + var(--space-sm));
  right: 0;
  min-width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-deep);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.user-dropdown.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.user-dropdown-item:hover {
  background: var(--accent-purple-soft);
  color: var(--text-main);
}

.user-dropdown-item.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-red);
}

/* === MOBILE RESPONSIVE === */
@media screen and (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .dd-nav {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-xl);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-lg);
    transform: translateY(-100vh);
    transition: transform var(--transition-medium);
    z-index: calc(var(--z-navbar) - 1);
  }

  .dd-nav.active {
    transform: translateY(0);
  }

  .dd-nav a {
    padding: var(--space-lg);
    text-align: center;
    font-size: var(--font-size-base);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
  }

  .dd-nav a::after {
    display: none;
  }

  .logo-text {
    font-size: 12px;
  }

  .nav-inner {
    padding: 0 var(--space-md);
  }
}

@media screen and (max-width: 475px) {
  .dd-header {
    height: 60px;
  }

  .nav-inner {
    padding: 0 var(--space-md);
  }

  .logo-text {
    display: none;
  }

  .logo-dot {
    width: 28px;
    height: 28px;
  }

  .dd-nav {
    top: 60px;
  }
}

/* === LOADING STATE === */
.nav-loading {
  opacity: 0.7;
  pointer-events: none;
}

.nav-loading .logo-dot {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* === ERROR STATE === */
.nav-error .logo-dot {
  background: radial-gradient(circle at 30% 30%, var(--accent-red), #7f1d1d);
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}