/* ==========================================================================
   ZAHIQ AI - Minimal Navigation
   Vercel-Inspired Clean Navigation Bar
   ========================================================================== */

.nav-minimal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: var(--z-fixed);
  transition: var(--transition-all);
}

.nav-minimal.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-small);
}

/* Nav Container */
.nav-container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: baseline;
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: var(--transition-all);
}

.logo-text {
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}

.logo-ai {
  margin-left: 2px;
  font-size: var(--text-lg);
}

.nav-logo:hover {
  transform: scale(1.05);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  transition: var(--transition-colors);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}

.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  margin: 4px auto;
  transition: var(--transition-all);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-8);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-menu-links a {
  font-size: var(--text-lg);
  font-weight: var(--font-medium);
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-colors);
}

.mobile-menu-links a:hover {
  color: var(--primary);
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-container {
    padding: 0 var(--space-5);
  }

  .nav-links {
    gap: var(--space-6);
  }

  .nav-links a {
    font-size: var(--text-xs);
  }
}

@media (max-width: 768px) {
  .nav-container {
    padding: 0 var(--space-4);
  }

  .nav-links {
    display: none;
  }

  .nav-actions .btn {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    /* Touch-friendly size */
    min-width: 44px;
    min-height: 44px;
  }

  .mobile-menu-toggle span {
    width: 24px;
    height: 2px;
  }

  .mobile-menu {
    display: block;
  }

  .mobile-menu-links a {
    padding: var(--space-3) 0;
    /* Touch-friendly size */
    min-height: 48px;
    display: flex;
    align-items: center;
  }

  .mobile-menu-actions .btn {
    width: 100%;
    justify-content: center;
    /* Touch-friendly size */
    min-height: 48px;
  }
}

@media (max-width: 640px) {
  .nav-container {
    padding: 0 var(--space-3);
  }

  .nav-logo {
    font-size: var(--text-lg);
  }

  .logo-ai {
    font-size: var(--text-base);
  }

  .mobile-menu {
    padding: var(--space-6);
  }

  .mobile-menu-links {
    gap: var(--space-4);
  }

  .mobile-menu-links a {
    font-size: var(--text-base);
  }
}

/* Dark Mode Support */
[data-theme="dark"] .nav-minimal {
  background: var(--surface);
  border-bottom-color: var(--border);
}

[data-theme="dark"] .nav-minimal.scrolled {
  background: var(--surface-elevated);
}

[data-theme="dark"] .logo-text,
[data-theme="dark"] .nav-links a:hover,
[data-theme="dark"] .mobile-menu-toggle span {
  color: var(--text-primary);
}

[data-theme="dark"] .mobile-menu {
  background: var(--background);
}

[data-theme="dark"] .mobile-menu-links a {
  color: var(--text-primary);
}