/**
 * Mobile Bottom Navigation - iOS Style
 * For account dashboard on mobile devices (< 768px)
 */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --mobile-nav-height: 56px;
  --mobile-nav-bg: rgba(18, 18, 26, 0.98);
  --mobile-nav-border: rgba(255, 255, 255, 0.08);
  --mobile-nav-active: #f9cb00;
  --mobile-nav-inactive: rgba(255, 255, 255, 0.5);
  --drawer-bg: #1a1a2e;
  --drawer-handle: rgba(255, 255, 255, 0.3);
}

/* ============================================
   BOTTOM TAB BAR
   ============================================ */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: var(--mobile-nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--mobile-nav-border);
  z-index: 9999;
}

/* Show on mobile */
@media (max-width: 768px) {
  .mobile-bottom-nav {
    display: block;
  }

  /* Adjust main content padding for bottom nav */
  .main-content {
    padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 20px) !important;
  }

  /* Hide sidebar toggle on mobile when using bottom nav */
  .mobile-menu-btn {
    display: none !important;
  }
}

.mobile-nav-tabs {
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: var(--mobile-nav-height);
  width: 100%;
  padding: 0 8px;
}

/* ============================================
   TAB ITEMS
   ============================================ */
.mobile-nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  height: 100%;
  padding: 6px 4px;
  color: var(--mobile-nav-inactive);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.15s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative;
}

.mobile-nav-tab:active {
  transform: scale(0.92);
}

.mobile-nav-tab.active {
  color: var(--mobile-nav-active);
}

.mobile-nav-tab svg {
  width: 24px;
  height: 24px;
  margin-bottom: 2px;
  stroke-width: 1.75;
}

.mobile-nav-tab.active svg {
  stroke-width: 2.25;
}

.mobile-nav-tab span {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

/* Badge for unread counts */
.mobile-nav-badge {
  position: absolute;
  top: 4px;
  right: 50%;
  transform: translateX(12px);
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  background: #ef4444;
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.mobile-nav-badge:empty,
.mobile-nav-badge[data-count="0"] {
  display: none;
}

/* ============================================
   MORE DRAWER OVERLAY
   ============================================ */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 10000;
  -webkit-tap-highlight-color: transparent;
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   MORE DRAWER (Slide-up Sheet)
   ============================================ */
.mobile-more-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--drawer-bg);
  border-radius: 20px 20px 0 0;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 10001;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.mobile-more-drawer.open {
  transform: translateY(0);
}

/* Drawer handle */
.drawer-handle {
  width: 36px;
  height: 4px;
  background: var(--drawer-handle);
  border-radius: 2px;
  margin: 12px auto;
  flex-shrink: 0;
}

/* Drawer header with user info */
.drawer-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--mobile-nav-border);
  flex-shrink: 0;
}

.drawer-user-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.drawer-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f9cb00 0%, #cca600 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #1a1a2e;
  flex-shrink: 0;
}

.drawer-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.drawer-user-name {
  font-size: 16px;
  font-weight: 600;
  color: white;
  margin-bottom: 2px;
}

.drawer-user-role {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: capitalize;
}

/* Drawer menu */
.drawer-menu {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
  -webkit-overflow-scrolling: touch;
}

.drawer-menu-section {
  padding: 8px 20px 4px;
}

.drawer-menu-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 8px;
}

.drawer-menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: background 0.15s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 15px;
}

.drawer-menu-item:active {
  background: rgba(255, 255, 255, 0.08);
}

.drawer-menu-item.active {
  color: var(--mobile-nav-active);
  background: rgba(249, 203, 0, 0.08);
}

.drawer-menu-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  opacity: 0.8;
}

.drawer-menu-item.active svg {
  opacity: 1;
}

.drawer-menu-item .menu-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: rgba(249, 203, 0, 0.2);
  color: #f9cb00;
  font-size: 11px;
  font-weight: 600;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Drawer footer */
.drawer-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--mobile-nav-border);
  flex-shrink: 0;
}

.drawer-logout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 12px;
  color: #ef4444;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
}

.drawer-logout-btn:active {
  background: rgba(239, 68, 68, 0.2);
}

.drawer-logout-btn svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   HIDE ELEMENTS WHEN DRAWER IS OPEN
   ============================================ */
body.drawer-open {
  overflow: hidden;
}

body.drawer-open .mobile-bottom-nav {
  pointer-events: none;
}

/* ============================================
   TABLET ADJUSTMENTS (769px - 991px)
   ============================================ */
@media (min-width: 769px) and (max-width: 991px) {
  .mobile-bottom-nav {
    display: none;
  }
}

/* ============================================
   LANDSCAPE MODE ADJUSTMENTS
   ============================================ */
@media (max-width: 768px) and (orientation: landscape) {
  .mobile-bottom-nav {
    height: 48px;
  }

  .mobile-nav-tabs {
    height: 48px;
  }

  .mobile-nav-tab svg {
    width: 20px;
    height: 20px;
  }

  .mobile-nav-tab span {
    font-size: 9px;
  }

  .mobile-more-drawer {
    max-height: 90vh;
  }
}

/* ============================================
   SMALL DEVICES (< 375px)
   ============================================ */
@media (max-width: 374px) {
  .mobile-nav-tab span {
    font-size: 9px;
  }

  .mobile-nav-tab svg {
    width: 22px;
    height: 22px;
  }

  .drawer-menu-item {
    padding: 12px 16px;
    font-size: 14px;
  }
}

/* ============================================
   ANIMATION FOR PAGE TRANSITIONS
   ============================================ */
.page-section {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Swipe indicator hint */
.swipe-hint {
  position: fixed;
  bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 16px);
  left: 50%;
  transform: translateX(-50%);
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  font-size: 13px;
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 9998;
}

.swipe-hint.visible {
  opacity: 1;
}