/**
 * ============================================================
 * MOBILE OFF-CANVAS NAVIGATION DRAWER & ANIMATED HAMBURGER CSS
 * Modern CSS3 with CSS Variables, Smooth Cubic-Bezier Easing,
 * Frosted Glass Backdrop, and Accessible Focus States.
 * ============================================================
 */

:root {
  --drawer-width: 340px;
  --drawer-bg: #ffffff;
  --drawer-surface: #f8fafc;
  --drawer-text: #0f172a;
  --drawer-text-muted: #64748b;
  --drawer-border: #f1f5f9;
  --drawer-border-dark: #e2e8f0;
  --drawer-shadow: -10px 0 35px rgba(0, 0, 0, 0.25);
  
  --brand-primary: #059669;
  --brand-dark: #064e3b;
  --brand-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
  --brand-gradient-hover: linear-gradient(135deg, #10b981 0%, #059669 100%);
  
  --user-banner-gradient: linear-gradient(135deg, #0b1120 0%, #1e293b 100%);
  --gold-accent: #f59e0b;
  
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-hamburger: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s var(--ease-spring);
}

/* ============================================================
   1. ANIMATED HAMBURGER BUTTON (MORPHS TO 'X')
   ============================================================ */
.menu-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 12px;
  border: 1.5px solid #e2e8f0;
  background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
  color: var(--drawer-text);
  cursor: pointer;
  position: relative;
  user-select: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 5px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
}

@media (min-width: 640px) {
  .menu-toggle-btn {
    width: 44px;
    height: 44px;
  }
}

.menu-toggle-btn:hover {
  background: #f0fdf4;
  border-color: #10b981;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.22);
  transform: translateY(-1px);
}

.menu-toggle-btn:hover .hamburger-inner {
  width: 20px;
}

.menu-toggle-btn:active {
  transform: scale(0.95);
}

.menu-toggle-btn:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* Hide hamburger toggle on Desktop (>= 992px) */
@media (min-width: 992px) {
  .menu-toggle-btn {
    display: none !important;
  }
}

.hamburger-box {
  width: 20px;
  height: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
  height: 2.2px;
  background-color: #0f172a;
  border-radius: 9999px;
  position: absolute;
  transition: transform 0.3s var(--ease-hamburger), opacity 0.25s var(--ease-hamburger), width 0.2s ease, background-color 0.25s ease;
}

.hamburger-inner {
  width: 15px;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.hamburger-inner::before {
  content: '';
  width: 20px;
  top: -6px;
  right: 0;
}

.hamburger-inner::after {
  content: '';
  width: 20px;
  bottom: -6px;
  right: 0;
}

/* Active State: Hamburger Morphs into 'X' */
.menu-toggle-btn[aria-expanded="true"] {
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25), 0 4px 12px rgba(16, 185, 129, 0.15);
}

.menu-toggle-btn[aria-expanded="true"] .hamburger-inner {
  width: 20px;
  transform: rotate(45deg);
  background-color: var(--brand-dark);
}

.menu-toggle-btn[aria-expanded="true"] .hamburger-inner::before {
  top: 0;
  opacity: 0;
  transform: rotate(90deg);
}

.menu-toggle-btn[aria-expanded="true"] .hamburger-inner::after {
  bottom: 0;
  transform: rotate(-90deg);
  background-color: var(--brand-dark);
}

/* ============================================================
   2. FROSTED GLASS BACKDROP OVERLAY
   ============================================================ */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-spring), visibility 0.35s var(--ease-spring);
  z-index: 9998;
}

.nav-backdrop.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* ============================================================
   3. OFF-CANVAS SLIDE-IN DRAWER PANEL
   ============================================================ */
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: var(--drawer-width);
  background-color: var(--drawer-bg);
  color: var(--drawer-text);
  box-shadow: var(--drawer-shadow);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease-spring);
  will-change: transform;
  overflow: hidden;
}

.nav-drawer.is-open {
  transform: translateX(0);
}

/* Responsive adjustment for extra small phones */
@media (max-width: 360px) {
  .nav-drawer {
    max-width: 90vw;
  }
}

/* ============================================================
   4. DRAWER HEADER
   ============================================================ */
.drawer-header {
  height: 72px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--drawer-border);
  background-color: #ffffff;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  z-index: 20;
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--brand-gradient);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
}

.brand-text-col {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 15px;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.brand-subtitle {
  font-size: 9px;
  font-weight: 700;
  color: var(--brand-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.drawer-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--drawer-border-dark);
  background-color: var(--drawer-surface);
  color: var(--drawer-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.drawer-close-btn:hover {
  background-color: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
  transform: rotate(90deg);
}

.drawer-close-btn:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

/* ============================================================
   5. DRAWER BODY (SCROLLABLE)
   ============================================================ */
.drawer-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px 18px 10px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

.drawer-body::-webkit-scrollbar {
  width: 4px;
}

.drawer-body::-webkit-scrollbar-thumb {
  background-color: #cbd5e1;
  border-radius: 4px;
}

/* User / Auth Quick-Card Banner */
.user-auth-banner {
  background: var(--user-banner-gradient);
  border-radius: 18px;
  padding: 16px;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.user-info-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.user-avatar-wrap {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.avatar-letter {
  font-size: 17px;
  font-weight: 800;
  color: var(--gold-accent);
}

.guest-icon {
  color: #94a3b8;
}

.status-indicator-dot {
  position: absolute;
  bottom: -2px;
  right: -2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #10b981;
  border: 2px solid #0b1120;
}

.user-meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.user-greeting {
  font-size: 10px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.user-name {
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin: 1px 0 2px 0;
}

.user-role-pill {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: var(--gold-accent);
}

.user-tagline {
  font-size: 11px;
  color: #94a3b8;
}

.user-primary-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 9px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s ease;
}

.user-primary-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.auth-split-btns {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 8px;
}

.auth-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  transition: all 0.2s ease;
}

.auth-btn-login {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.auth-btn-login:hover {
  background: rgba(255, 255, 255, 0.22);
}

.auth-btn-register {
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
}

.auth-btn-register:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Language Switcher Pill */
.drawer-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 2px;
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--drawer-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.language-toggle-pill {
  display: inline-flex;
  padding: 3px;
  border-radius: 20px;
  background-color: var(--drawer-surface);
  border: 1px solid var(--drawer-border-dark);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 16px;
  border: none;
  background: transparent;
  font-size: 11px;
  font-weight: 700;
  color: var(--drawer-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.lang-btn .lang-sub {
  font-size: 10px;
  font-weight: 500;
  opacity: 0.7;
}

.lang-btn.is-active {
  background-color: #ffffff;
  color: var(--brand-dark);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

/* Navigation Links List */
.drawer-nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-group-title {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin: 4px 0 4px 4px;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--drawer-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background-color: var(--drawer-surface);
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.nav-label {
  flex: 1;
}

.nav-arrow {
  color: #cbd5e1;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

/* Hover & Active States for Nav Links */
.nav-link:hover {
  background-color: var(--drawer-surface);
  color: var(--brand-dark);
  transform: translateX(4px);
}

.nav-link:hover .nav-icon-box {
  background-color: #ecfdf5;
  color: var(--brand-primary);
}

.nav-link:hover .nav-arrow {
  color: var(--brand-primary);
  transform: translateX(2px);
}

.nav-link.is-current {
  background-color: #ecfdf5;
  color: var(--brand-dark);
  font-weight: 700;
}

.nav-link.is-current .nav-icon-box {
  background: var(--brand-gradient);
  color: #ffffff;
}

.nav-link.is-current .nav-arrow {
  color: var(--brand-primary);
}

/* Badges */
.nav-badge {
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 6px;
  margin-right: 4px;
}

.badge-hot {
  background-color: #fee2e2;
  color: #dc2626;
  border: 1px solid #fecaca;
}

.badge-new {
  background-color: #fef3c7;
  color: #d97706;
  border: 1px solid #fde68a;
}

/* Logout link row */
.drawer-logout-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--drawer-border);
}

.drawer-logout-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: none;
  background: transparent;
  color: #ef4444;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.drawer-logout-btn:hover {
  background-color: #fee2e2;
}

/* ============================================================
   6. STICKY ACTION FOOTER / QUICK CONTACT
   ============================================================ */
.drawer-footer {
  padding: 16px 18px;
  background-color: #ffffff;
  border-top: 1px solid var(--drawer-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
  z-index: 20;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.03);
}

.drawer-action-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--brand-gradient);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(5, 150, 105, 0.35);
  transition: all var(--transition-fast);
}

.drawer-action-cta:hover {
  background: var(--brand-gradient-hover);
  box-shadow: 0 6px 20px rgba(5, 150, 105, 0.45);
  transform: translateY(-1px);
}

.drawer-action-cta:active {
  transform: scale(0.98);
}

.drawer-contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.contact-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--drawer-border-dark);
  background-color: var(--drawer-surface);
  font-size: 11px;
  font-weight: 700;
  color: var(--drawer-text);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.contact-pill:hover {
  background-color: #ffffff;
  border-color: #cbd5e1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.contact-phone svg {
  color: var(--brand-primary);
}