/* ==========================================================================
   CharlestonHacks Innovation Engine — base.css
   Includes: base layout, global resets, mobile viewport rules,
   and accessibility helpers (.sr-only)
   ========================================================================== */

/* -----------------------------
   Accessibility helper
   ----------------------------- */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* -----------------------------
   Basic page defaults
   ----------------------------- */
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
  background: #000;
  color: #fff;
  overflow-x: hidden;
}

/* Dynamic viewport height variables for mobile browser UI */
:root {
  --vh: 1vh;
  --real-vh: 1vh;
}

/* NUCLEAR OPTION: Force black backgrounds everywhere */
html,
body,
#main-content,
#synapse-main-view,
#synapse-svg,
.unified-main {
  background: #000 !important;
  background-color: #000 !important;
}

/* Remove all borders, padding, and margins from containers */
#main-content,
#synapse-main-view,
.unified-main {
  margin: 0 !important;
  padding: 0 !important;
  border: none !important;
  max-width: none !important;
}

/* Ensure full coverage with no gaps - use dynamic viewport height */
html,
body {
  margin: 0 !important;
  padding: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  height: calc(var(--vh, 1vh) * 100) !important;
  overflow: hidden !important;
  overflow-x: hidden !important;
  position: fixed !important;
  touch-action: pan-y pinch-zoom !important;
}

/* Prevent input zoom and keyboard-induced scrolling on mobile */
input,
textarea,
select {
  font-size: 16px !important; /* Prevents iOS zoom on focus */
}

/* iOS-specific fix */
@supports (-webkit-touch-callout: none) {
  body {
    position: fixed !important;
    width: 100% !important;
  }
}

/* Override any pseudo-elements */
body::before,
body::after,
html::before,
html::after {
  display: none !important;
}

body {
  overflow: hidden;
}

/* -----------------------------
   Neural background (explicitly hidden)
   ----------------------------- */
canvas#neural-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -5;
  /* Per yellow instructions: Remove synapse background */
  display: none !important;
}

/* -----------------------------
   Generic container + header
   ----------------------------- */
.container {
  position: relative;
  z-index: 1;
  padding: 20px;
}

.header {
  text-align: center;
  margin-bottom: 20px;
}

.header-img {
  width: 420px;
  max-width: 90%;
  transition: 0.3s ease;
}

.header-img:hover {
  transform: scale(1.05);
}

/* -----------------------------
   Buttons
   ----------------------------- */
.action-btn {
  background: #ffcf33;
  color: #000;
  border: none;
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: 0.2s ease;
}

.action-btn:hover {
  background: #ffd95c;
}

/* Hover effects for action buttons (IE overrides) */
.action-btn:hover {
  transform: translateY(-5px) scale(1.1);
  filter: brightness(1.3);
}

.action-btn:active {
  transform: translateY(-2px) scale(1.05);
}

/* START button hover */
#btn-start-center:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 40px rgba(0, 255, 136, 0.6);
  filter: brightness(1.3);
  opacity: 0.75;
}

#btn-start-center:active {
  transform: scale(1.05);
  opacity: 0.75;
}

/* -----------------------------
   Animations
   ----------------------------- */
@keyframes softGlow {
  0%,
  100% {
    box-shadow: 0 0 8px rgba(0, 224, 255, 0.2),
      inset 0 0 8px rgba(0, 224, 255, 0.05);
  }
  50% {
    box-shadow: 0 0 16px rgba(0, 224, 255, 0.3),
      inset 0 0 12px rgba(0, 224, 255, 0.08);
  }
}

@keyframes mentorPanelSlide {
  from {
    opacity: 0;
    transform: translate(-50%, -45%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-30px);
  }
  60% {
    transform: translateY(-15px);
  }
}

@keyframes dropdownFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------
   Mentor panel tweaks
   ----------------------------- */
.mentor-panel {
  animation: mentorPanelSlide 0.3s ease-out;
}

.mentor-panel-close:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
  color: rgba(255, 255, 255, 1) !important;
}

/* -----------------------------
   User dropdown styles
   ----------------------------- */
#user-menu:hover {
  background: rgba(0, 224, 255, 0.15);
  border-color: rgba(0, 224, 255, 0.5);
}

#user-dropdown button:hover {
  background: rgba(0, 224, 255, 0.1);
}

#dropdown-logout:hover {
  background: rgba(255, 107, 107, 0.15) !important;
}

/* Notification bell badge */
.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background: #ff3b30;
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: bold;
  min-width: 18px;
  text-align: center;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

/* Fix blue bar overlay on profile pages */
.profile-overlay-bar,
.blue-bar-overlay {
  display: none !important;
}

/* Search container — default (mobile-first) centered position.
   Desktop offset is handled in command-dashboard.css media query.
   No !important here so drag's inline left/transform overrides work. */
#centered-search-container {
  left: 50%;
  transform: translateX(-50%);
}

/* Hide search container when ANY modal is open */
.modal.active ~ * #centered-search-container,
.modal.active ~ #centered-search-container {
  display: none !important;
}

/* Ensure profile modal content is not overlapped */
#profile-modal .modal-content {
  z-index: 1000;
  position: relative;
}

/* Make project details panel scrollable */
.project-details-panel,
.project-info-content {
  overflow-y: auto !important;
  max-height: calc(100vh - 200px) !important;
}

/* Ensure project members list is scrollable */
.project-members-list {
  overflow-y: auto !important;
  max-height: 300px !important;
}

/* -----------------------------
   Mobile responsive rules
   ----------------------------- */
@media (max-width: 768px) {
  /* CRITICAL: Prevent horizontal scroll on mobile */
  html,
  body {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    position: fixed !important;
    width: 100% !important;
  }

  #main-content,
  .unified-main,
  #synapse-main-view,
  #synapse-svg {
    max-width: 100vw !important;
    overflow-x: hidden !important;
    width: 100% !important;
  }

  /* Ensure all absolutely positioned elements stay within viewport */
  #main-content > div {
    max-width: 100vw !important;
  }

  /* MOBILE UI OPTIMIZATION: Move refresh button to bottom */
  #btn-refresh-network {
    position: fixed !important;
    top: auto !important;
    bottom: 80px !important; /* Above search bar */
    right: 20px !important;
    z-index: 1000 !important;
    width: 56px !important;
    height: 56px !important;
    box-shadow: 0 4px 12px rgba(0, 224, 255, 0.3) !important;
  }

  .top-actions #btn-refresh-network {
    display: none !important;
  }

  /* Responsive mentor panels for mobile */
  .mentor-panel {
    width: 95vw !important;
    max-height: 90vh !important;
    padding: 1rem !important;
    border-radius: 12px !important;
  }

  .mentor-panel h2 {
    font-size: 1.2rem !important;
  }

  .mentor-panel p {
    font-size: 0.9rem !important;
  }

  .mentor-panel-close {
    width: 32px !important;
    height: 32px !important;
    top: 0.5rem !important;
    right: 0.5rem !important;
  }

  .stat-card-mini {
    padding: 0.5rem !important;
  }

  .stat-card-mini .label {
    font-size: 0.65rem !important;
  }

  .stat-card-mini .value {
    font-size: 1.25rem !important;
  }

  .stat-card-mini:hover {
    transform: translateY(-3px);
    background: rgba(0, 224, 255, 0.15) !important;
    border-color: rgba(0, 224, 255, 0.5) !important;
    box-shadow: 0 4px 12px rgba(0, 224, 255, 0.3);
  }

  /* Mobile dropdown adjustments */
  #user-dropdown {
    right: -10px !important;
    min-width: 200px !important;
  }

  #user-name-header {
    display: none !important;
  }

  #user-menu {
    padding: 0.4rem 0.75rem !important;
    gap: 0.5rem !important;
  }

  /* XP Notification - Mobile responsive */
  .xp-notification {
    left: 1rem !important;
    right: 1rem !important;
    bottom: 1rem !important;
    max-width: calc(100vw - 2rem) !important;
    padding: 0.875rem 1.25rem !important;
    font-size: 0.9rem !important;
  }

  /* MOBILE LAYOUT FIXES */
  #main-content > div:first-child {
    top: 8px !important;
    right: 8px !important;
    left: auto !important;
  }

  #main-content > div:first-child img {
    height: 36px !important;
  }

  #main-content > div:nth-child(2) {
    top: 8px !important;
    left: 8px !important;
    right: auto !important;
    flex-direction: row !important;
    gap: 0.5rem !important;
    align-items: center !important;
    max-width: calc(100vw - 120px) !important;
  }

  #user-profile-combined {
    display: flex !important;
    padding: 0.35rem 0.65rem 0.35rem 0.35rem !important;
    gap: 0.5rem !important;
  }

  #user-profile-combined > div:first-child {
    width: 32px !important;
    height: 32px !important;
    font-size: 0.8rem !important;
  }

  #user-profile-combined > div:last-child {
    font-size: 0.7rem !important;
  }

  #user-profile-combined > div:last-child > div:first-child {
    font-size: 0.75rem !important;
  }

  #user-profile-combined > div:last-child > div:last-child {
    font-size: 0.65rem !important;
  }

  #level-badge-header,
  #streak-badge-header {
    display: none !important;
  }

  /* Notification bell */
  #notifications-bell {
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }

  #notifications-bell i {
    font-size: 1rem !important;
  }

  /* START button */
  #btn-start-nav {
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }

  #btn-start-nav i {
    font-size: 1rem !important;
  }

  /* Refresh button */
  #btn-refresh-network {
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }

  #btn-refresh-network i {
    font-size: 1rem !important;
  }

  /* Admin crown */
  #btn-admin-top {
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }

  #btn-admin-top i {
    font-size: 1rem !important;
  }

  /* Placeholder circle */
  #placeholder-circle {
    display: flex !important;
    width: 40px !important;
    height: 40px !important;
    padding: 0.5rem !important;
  }

  #user-menu {
    padding: 0.35rem 0.65rem !important;
  }

  #user-avatar-header {
    width: 32px !important;
    height: 32px !important;
    font-size: 0.85rem !important;
  }

  #admin-badge-header {
    display: none !important;
  }

  /* Search container */
  #centered-search-container {
    bottom: 20px !important;
    width: calc(100vw - 20px) !important;
    max-width: calc(100vw - 20px) !important;
    left: 10px !important;
    right: 10px !important;
    transform: none !important;
    box-sizing: border-box !important;
  }

  #centered-search-container > div:first-child {
    flex-wrap: wrap !important;
    gap: 0.35rem !important;
    justify-content: flex-start !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .search-category-btn {
    padding: 0.35rem 0.65rem !important;
    font-size: 0.7rem !important;
    white-space: nowrap !important;
  }

  #centered-search-container > div:nth-child(2) {
    padding: 0.5rem 0.75rem !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  #global-search {
    padding: 0.6rem 4rem 0.6rem 2.5rem !important;
    font-size: 16px !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  #search-button {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.85rem !important;
  }

  body.keyboard-open {
    position: fixed !important;
    width: 100% !important;
    overflow: hidden !important;
  }

  #btn-start-center {
    width: 140px !important;
    height: 140px !important;
  }

  #btn-start-center i {
    font-size: 2.2rem !important;
  }

  #btn-start-center span {
    font-size: 1.1rem !important;
  }

  #dropdown-badges {
    display: flex !important;
  }

  .mobile-only-badges {
    display: flex !important;
  }
}

@media (max-width: 480px) {
  #user-dropdown {
    position: fixed !important;
    top: 70px !important;
    right: 10px !important;
    left: 10px !important;
    min-width: auto !important;
  }
}

/* -----------------------------
   Profile modal fullscreen overlay
   ----------------------------- */
#profile-modal.modal {
  position: fixed !important;
  inset: 0 !important;
  display: none !important; /* shown via .active */
  align-items: center !important;
  justify-content: center !important;
  padding: 16px !important;
  background: rgba(0, 0, 0, 0.7) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 200000 !important; /* beats any panel */
}

#profile-modal.modal.active {
  display: flex !important;
}

#profile-modal .modal-content {
  width: min(720px, 96vw) !important;
  max-height: min(86vh, 760px) !important;
  overflow: auto !important;
  border-radius: 16px !important;
  position: relative !important;
  z-index: 1 !important;
}

body.profile-modal-open {
  overflow: hidden !important;
}

body.profile-modal-open .node-panel,
body.profile-modal-open .profile-panel,
body.profile-modal-open .side-panel {
  pointer-events: none !important;
}

/* ============================================================
   MOBILE BOTTOM TAB BAR
   Visible only on mobile (<1024px). Provides persistent nav.
   ============================================================ */
#mobile-tab-bar {
  display: none; /* hidden by default; shown via media query below */
}

@media (max-width: 1023px) {
  /* Reserve space at bottom for the tab bar */
  body {
    padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px));
  }

  #mobile-tab-bar {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000; /* Increased from 800 to ensure it's above everything */
    background: rgba(5, 7, 15, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(0, 224, 255, 0.15);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    height: calc(60px + env(safe-area-inset-bottom, 0px));
    align-items: stretch;
    pointer-events: auto; /* Ensure it receives clicks */
  }

  /* Push toasts above the tab bar */
  #toast-container {
    bottom: calc(env(safe-area-inset-bottom, 0px) + 72px) !important;
  }

  .mob-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    padding: 8px 4px;
    min-width: 44px;
    min-height: 44px;
    position: relative;
    transition: color 0.15s;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    pointer-events: auto; /* Ensure buttons receive clicks */
    user-select: none;
    -webkit-user-select: none;
  }

  .mob-tab i {
    font-size: 1.15rem;
    line-height: 1;
  }

  .mob-tab span {
    line-height: 1;
  }

  .mob-tab:active {
    transform: scale(0.92);
    transition: transform 0.1s;
  }

  .mob-tab.active {
    color: #00e0ff;
  }

  .mob-tab.active i {
    filter: drop-shadow(0 0 6px rgba(0, 224, 255, 0.5));
  }

  /* Centre FAB-style Start button */
  .mob-tab-center {
    flex: 0 0 60px;
    position: relative;
  }

  .mob-tab-fab {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00ff88, #00e0ff);
    box-shadow: 0 4px 16px rgba(0, 224, 255, 0.35);
    color: #000;
    font-size: 1.1rem;
    margin-bottom: 2px;
    transition: transform 0.15s, box-shadow 0.15s;
  }

  .mob-tab-center:active .mob-tab-fab {
    transform: scale(0.9);
    box-shadow: 0 2px 8px rgba(0, 224, 255, 0.2);
  }

  /* Badge on messages tab */
  .mob-tab-badge {
    position: absolute;
    top: 4px;
    right: calc(50% - 20px);
    background: #ff3b30;
    color: #fff;
    border-radius: 10px;
    font-size: 0.6rem;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }

  /* Pulse animation for Event Mode when active */
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
  }
}