/* Glassmorphism panel system */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}
.glass-panel:hover {
  border-color: var(--border-hover);
}

/* Forms and Inputs */
input, select, textarea {
  width: 100%;
  background-color: hsla(222, 47%, 2%, 0.8);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: all 0.2s ease;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-sans);
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px 0 var(--primary-glow);
}
.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-secondary {
  background: hsla(217, 30%, 18%, 0.5);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: hsla(217, 30%, 28%, 0.7);
  border-color: var(--border-hover);
}
.btn-danger {
  background: var(--danger-glow);
  border: 1px solid hsla(346, 80%, 55%, 0.3);
  color: var(--danger);
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

/* Global Grid systems */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
header.main-header {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: hsla(222, 47%, 4%, 0.85);
  backdrop-filter: blur(12px);
  z-index: 100;
}
main.main-content {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 24px;
}

/* Header Navigation Bar */
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-nav .tab-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.header-nav .tab-btn:hover {
  color: var(--text-main);
  background: hsla(217, 30%, 18%, 0.3);
}
.header-nav .tab-btn.active {
  background: var(--primary-glow);
  color: var(--text-main);
  border-color: hsla(262, 83%, 58%, 0.3);
}

@media (max-width: 900px) {
  .header-nav {
    display: none !important;
  }
}

/* Badges */
.badge {
  display: inline-block;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 9999px;
  border: 1px solid transparent;
}
.badge-success {
  background: var(--success-glow);
  color: var(--success);
  border-color: hsla(142, 70%, 45%, 0.2);
}
.badge-danger {
  background: var(--danger-glow);
  color: var(--danger);
  border-color: hsla(346, 80%, 55%, 0.2);
}
.badge-warning {
  background: hsla(38, 92%, 50%, 0.15);
  color: hsl(38, 92%, 50%);
  border-color: hsla(38, 92%, 50%, 0.2);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}
.modal-content {
  width: 100%;
  max-width: 440px;
  padding: 24px;
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-backdrop.active .modal-content {
  transform: scale(1);
}

/* Auth components styling */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 32px;
}

/* Setup/Onboarding Instructions Overlay */
.credential-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
}

/* Menu item card used in menu-builder grid */
.menu-item-card {
  padding: 20px;
  transition: all 0.2s ease;
  border-radius: 16px;
}
.menu-item-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
}

/* General page layout */
main.page-main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 24px;
}

/* Section title + description headers */
.section-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.section-header h1,
.section-header h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}
.section-header p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Utility: hidden */
.hidden {
  display: none !important;
}

/* ─── Mobile Navigation Header ────────────────────────────────────────────── */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 6px;
  position: relative;
  z-index: 1002;
}
.mobile-nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-nav-toggle.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.mobile-nav-toggle.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-nav-drawer {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: hsla(222, 47%, 5%, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 20px;
  display: none;
  flex-direction: column;
  gap: 8px;
  z-index: 1001;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  max-height: calc(100vh - 70px);
  overflow-y: auto;
}
.mobile-nav-drawer.active {
  display: flex;
}
.mobile-nav-drawer .tab-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid transparent;
  background: transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}
.mobile-nav-drawer .tab-btn:hover {
  color: var(--text-main);
  background: hsla(217, 30%, 18%, 0.3);
}
.mobile-nav-drawer .tab-btn.active {
  background: var(--primary-glow);
  color: var(--text-main);
  border-color: hsla(262, 83%, 58%, 0.3);
}

/* Adjust layout rules of header for stacking */
header.main-header {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: relative;
}

@media (max-width: 900px) {
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 480px) {
  header.main-header {
    padding: 12px 16px;
  }
  .user-meta {
    display: none !important;
  }
  .logout-text {
    display: none !important;
  }
  #logout-btn {
    padding: 8px !important;
  }
}