/* ==========================================================================
   HackHub — Clean White & Maroon Department Design System
   ========================================================================== */

:root {
  --bg-dark: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-glow: #800020;

  --accent-maroon: #800020;
  --accent-maroon-dark: #5c0017;
  --accent-maroon-light: #9e1b32;
  --accent-maroon-glow: rgba(128, 0, 32, 0.2);
  --accent-maroon-tint: rgba(128, 0, 32, 0.08);

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --status-upcoming: #059669;
  --status-ended: #64748b;
  --status-deadline: #d97706;
  --status-danger: #dc2626;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(0, 0, 0, 0.06);

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 85px; /* Offset for mobile bottom nav */
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-maroon);
  text-decoration: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-maroon);
}

/* Container — Fluid autofit across all viewports */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding-left: max(16px, var(--safe-left));
  padding-right: max(16px, var(--safe-right));
}

/* Header & Top Navigation */
/* Header & Top Navigation — Full Maroon Premium Theme */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #800020 0%, #5B0017 100%);
  color: #ffffff;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 16px;
  box-shadow: 0 4px 20px rgba(128, 0, 32, 0.35);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  background: transparent;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo:hover .brand-logo-img {
  transform: scale(1.06);
}

.logo-badge {
  background: #ffffff;
  color: #800020;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.2s ease;
}

.logo-badge:hover {
  transform: scale(1.03);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.25);
}

.tagline-sub {
  display: none;
}

/* Mobile Tab Bar — Hidden by default on Desktop screens (> 768px) */
.mobile-tab-bar {
  display: none !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  padding: 7px 16px;
  border-radius: 20px;
  transition: all 0.2s ease;
  white-space: nowrap;
  line-height: 1.2;
}

.nav-item:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
}

.nav-item.active {
  color: #800020;
  background: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.nav-item.nav-item-deadline {
  color: #FFD700;
}

.nav-item.nav-item-deadline:hover {
  color: #ffffff;
  background: rgba(255, 215, 0, 0.22);
}

.nav-item.nav-item-deadline.active {
  color: #4A0012;
  background: #FFD700;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(255, 215, 0, 0.35);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-actions #notif-bell-btn {
  background: rgba(255, 255, 255, 0.15) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
}

.header-actions #notif-bell-btn:hover {
  background: rgba(255, 255, 255, 0.25) !important;
  color: #ffffff !important;
}

.header-actions .btn-primary {
  background: #ffffff !important;
  color: #800020 !important;
  font-weight: 700 !important;
  border: none !important;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
}

.header-actions .btn-primary:hover {
  background: #f8fafc !important;
  color: #5B0017 !important;
  transform: translateY(-1px);
}

.user-badge {
  background: rgba(255, 255, 255, 0.15) !important;
  border: 1px solid rgba(255, 255, 255, 0.25) !important;
  color: #ffffff !important;
}

.user-badge #header-user-reg {
  color: #ffffff !important;
}

/* User Profile Badge in Header */
.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-main);
}

.user-avatar {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.08s ease, opacity 0.08s ease, transform 0.08s ease;
  white-space: nowrap;
  touch-action: manipulation; /* Eliminates 300ms tap delay on mobile */
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
  opacity: 0.88;
}

.btn:disabled, .btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Live Hackathon Deadline Countdown Ticker Badge */
.live-countdown-badge {
  background: rgba(220, 38, 38, 0.08);
  color: var(--status-deadline);
  border: 1px solid rgba(220, 38, 38, 0.25);
  font-weight: 700;
  font-size: 0.76rem;
  padding: 4px 8px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  margin-top: 4px;
  width: fit-content;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-maroon-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-maroon-dark), var(--accent-maroon));
}

.btn-secondary {
  background: #f1f5f9;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
}

.btn-outline {
  background: transparent;
  color: var(--accent-maroon);
  border: 1px solid var(--accent-maroon);
}

.btn-outline:hover {
  background: var(--accent-maroon-tint);
}

.btn-danger {
  background: rgba(220, 38, 38, 0.1);
  color: var(--status-danger);
  border: 1px solid rgba(220, 38, 38, 0.3);
}

.btn-danger:hover {
  background: var(--status-danger);
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

/* Floating Action Button (Post Event) */
.fab-post {
  position: fixed;
  bottom: 84px;
  right: 20px;
  z-index: 90;
  background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
  color: #ffffff;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 25px var(--accent-maroon-glow);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.fab-post:hover {
  transform: scale(1.08);
}

/* Mobile Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-color);
  display: none; /* Mobile only via media query */
  justify-content: space-around;
  padding: 8px 0 12px 0;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.04);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-dim);
  font-size: 0.65rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  flex: 1;
  min-width: 0;
  padding: 2px 4px;
  transition: color 0.2s ease;
  position: relative;
}

.bottom-nav-item .icon {
  font-size: 1.15rem;
  line-height: 1;
  display: block;
}

.bottom-nav-item span:not(.icon) {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
}

.bottom-nav-item.active {
  color: var(--accent-maroon);
}

/* Profile tab avatar circle */
.bottom-nav-item[data-view="profile"] .profile-nav-avatar {
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  border: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.bottom-nav-item[data-view="profile"].active .profile-nav-avatar {
  border-color: var(--accent-maroon);
  box-shadow: 0 0 0 2px var(--accent-maroon-glow);
}

/* Search and Filter Section */
.search-filter-bar {
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-input-group {
  position: relative;
  width: 100%;
}

.search-input-group input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.02);
}

.search-input-group input:focus {
  border-color: var(--accent-maroon);
  box-shadow: 0 0 12px var(--accent-maroon-glow);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
}

.filters-row {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.select-filter {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}

.select-filter:focus {
  border-color: var(--accent-maroon);
}

/* Event Cards Grid — Fluid Auto-fit */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: 20px;
  margin-top: 16px;
}

/* Responsive Utility Classes */
.admin-search-input {
  width: 100%;
  max-width: 280px;
  min-width: 160px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.event-card:hover {
  transform: translateY(-4px);
  border-color: rgba(128, 0, 32, 0.4);
  box-shadow: var(--shadow-card);
}

.poster-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  background: #f1f5f9;
  overflow: hidden;
}

.poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.badge-upcoming {
  background: rgba(5, 150, 105, 0.9);
  color: #ffffff;
}

.badge-ended {
  background: rgba(100, 116, 139, 0.9);
  color: #ffffff;
}

.badge-deadline {
  background: rgba(217, 119, 6, 0.95);
  color: #ffffff;
}

.mode-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}

.event-card-body {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}

.event-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.event-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.skill-tag {
  background: var(--accent-maroon-tint);
  color: var(--accent-maroon);
  border: 1px solid rgba(128, 0, 32, 0.2);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
}

.event-card-footer {
  padding: 12px 14px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  background: #f8fafc;
}

.event-card-footer .btn {
  flex: 1 1 calc(50% - 6px);
  min-width: 0;
  padding: 8px 10px;
  font-size: 0.8rem;
  justify-content: center;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  background: rgba(15, 23, 42, 0.68);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

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

.modal-box {
  position: relative;
  background: #ffffff;
  border: 2px solid rgba(128, 0, 32, 0.2);
  border-radius: 20px;
  width: min(600px, 100%);
  max-height: calc(90vh - var(--safe-top) - var(--safe-bottom));
  overflow-y: auto;
  padding: 26px;
  box-shadow: 0 25px 60px -10px rgba(128, 0, 32, 0.25), 0 10px 25px -5px rgba(0, 0, 0, 0.1);
  transform: scale(0.9) translateY(-20px);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4.5px;
  background: linear-gradient(90deg, #800020 0%, #9e1b32 50%, #800020 100%);
  background-size: 200% 100%;
  animation: hackhubShimmer 3s infinite linear;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
}

.modal-overlay.active .modal-box {
  animation: hackhubModalBoxPop 0.38s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(128, 0, 32, 0.1);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #800020;
  letter-spacing: -0.2px;
}

.close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.45rem;
  cursor: pointer;
  padding: 2px 8px;
  border-radius: 6px;
  line-height: 1;
  transition: all 0.2s;
}

.close-btn:hover {
  color: #800020;
  background: rgba(128, 0, 32, 0.08);
  transform: scale(1.1);
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-main);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.9rem;
  outline: none;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--accent-maroon);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

/* Calendar Component */
.calendar-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 16px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.calendar-day-header {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  padding: 8px 0;
}

.calendar-day {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  min-height: 70px;
  padding: 6px;
  font-size: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calendar-day.today {
  border-color: var(--accent-maroon);
  background: var(--accent-maroon-tint);
}

.day-number {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--text-main);
}

.cal-event-dot {
  color: #ffffff;
  font-size: 0.65rem;
  padding: 2px 4px;
  border-radius: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  font-weight: 600;
}

/* 🚀 Event start date — green */
.cal-event-start {
  background: var(--status-upcoming);
}

/* ⏰ Registration deadline — orange */
.cal-event-deadline {
  background: var(--status-deadline);
}

/* Admin Dashboard Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-maroon);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Admin Sub-Navigation Touch & Responsive Scroll Bar */
.admin-subtabs-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  flex-wrap: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding: 4px 2px 12px 2px;
}

.admin-subtabs-bar::-webkit-scrollbar {
  display: none;
}

.admin-subtab-btn {
  white-space: nowrap !important;
  flex: 0 0 auto !important;
  flex-shrink: 0 !important;
  border-radius: 20px !important;
  font-size: 0.82rem !important;
  font-weight: 600 !important;
  padding: 7px 15px !important;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

.admin-subtab-btn:hover {
  transform: translateY(-1px);
}

.admin-subtab-btn.active {
  box-shadow: 0 3px 10px rgba(128, 0, 32, 0.3);
}

/* Tables */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.data-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.data-table th, .data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  background: #f8fafc;
  color: var(--text-muted);
  font-weight: 700;
}

/* ==========================================================================
   ADVANCED HACKHUB MAROON & WHITE NOTIFICATION & DIALOG SYSTEM
   ========================================================================== */

/* --- Advanced Keyframe Animations --- */
@keyframes hackhubSpringIn {
  0% {
    opacity: 0;
    transform: translateY(-35px) scale(0.92);
  }
  60% {
    opacity: 1;
    transform: translateY(5px) scale(1.02);
  }
  80% {
    transform: translateY(-2px) scale(0.99);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes hackhubToastOut {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-20px) scale(0.92);
  }
}

@keyframes hackhubLogoPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(128, 0, 32, 0.5);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(128, 0, 32, 0);
    transform: scale(1.06);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(128, 0, 32, 0);
    transform: scale(1);
  }
}

@keyframes hackhubShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes hackhubProgressShrink {
  from { width: 100%; }
  to { width: 0%; }
}

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

@keyframes hackhubModalBoxPop {
  0% {
    opacity: 0;
    transform: scale(0.85) translateY(-25px);
  }
  60% {
    opacity: 1;
    transform: scale(1.03) translateY(4px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* --- Toast Container --- */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 420px;
  width: calc(100vw - 32px);
  pointer-events: none;
}

/* --- Advanced HackHub Toast Notification Box --- */
.hackhub-toast {
  pointer-events: auto;
  position: relative;
  background: #ffffff;
  border-radius: 14px;
  box-shadow: 0 16px 36px -4px rgba(128, 0, 32, 0.18), 0 6px 14px -2px rgba(0, 0, 0, 0.08);
  border: 1.5px solid rgba(128, 0, 32, 0.22);
  overflow: hidden;
  animation: hackhubSpringIn 0.45s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--font-family);
}

.hackhub-toast:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 42px -4px rgba(128, 0, 32, 0.28), 0 8px 18px -2px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-maroon);
}

.hackhub-toast.closing {
  animation: hackhubToastOut 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards !important;
}

/* Header strip */
.hackhub-toast-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px 7px 14px;
  background: linear-gradient(135deg, rgba(128, 0, 32, 0.08) 0%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 1px solid rgba(128, 0, 32, 0.08);
}

.hackhub-toast-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hackhub-toast-logo-wrap {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(128, 0, 32, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: hackhubLogoPulse 2.5s infinite ease-in-out;
}

.hackhub-toast-logo {
  width: 18px;
  height: 18px;
  object-fit: contain;
  border-radius: 50%;
}

.hackhub-toast-badge {
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.8px;
  color: var(--accent-maroon);
  text-transform: uppercase;
}

.hackhub-toast-status-tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 4px;
  margin-left: 2px;
}

.hackhub-toast-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-left: auto;
  margin-right: 8px;
}

.hackhub-toast-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: 4px;
  transition: all 0.15s;
}

.hackhub-toast-close:hover {
  color: var(--accent-maroon);
  background: rgba(128, 0, 32, 0.08);
}

/* Body */
.hackhub-toast-body {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 14px 14px 14px;
}

.hackhub-toast-icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.25rem;
}

.hackhub-toast-info .hackhub-toast-icon-circle {
  background: rgba(128, 0, 32, 0.09);
  color: var(--accent-maroon);
}
.hackhub-toast-success .hackhub-toast-icon-circle {
  background: rgba(5, 150, 105, 0.12);
  color: #059669;
}
.hackhub-toast-danger .hackhub-toast-icon-circle {
  background: rgba(220, 38, 38, 0.12);
  color: #dc2626;
}
.hackhub-toast-warning .hackhub-toast-icon-circle {
  background: rgba(217, 119, 6, 0.12);
  color: #d97706;
}

.hackhub-toast-text {
  flex: 1;
  min-width: 0;
}

.hackhub-toast-msg {
  font-size: 0.86rem;
  color: var(--text-main);
  line-height: 1.45;
  word-break: break-word;
  font-weight: 500;
}

.hackhub-toast-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.hackhub-toast-btn {
  background: var(--accent-maroon);
  color: #ffffff;
  border: none;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(128, 0, 32, 0.25);
}

.hackhub-toast-btn:hover {
  background: var(--accent-maroon-dark);
  transform: translateY(-1px);
}

.hackhub-toast-progress-track {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(128, 0, 32, 0.08);
}

.hackhub-toast-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #800020, #9e1b32);
  animation: hackhubProgressShrink linear forwards;
}

/* Fallback for legacy .toast class */
.toast {
  background: #ffffff;
  border: 1.5px solid var(--accent-maroon);
  color: var(--text-main);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 24px rgba(128, 0, 32, 0.15);
  font-size: 0.88rem;
  font-weight: 500;
  animation: hackhubSpringIn 0.3s ease;
}

/* --- HackHub Advanced Confirmation & Alert Modal Dialog --- */
.hackhub-dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: hackhubModalBackdropFade 0.25s ease forwards;
}

.hackhub-dialog-card {
  position: relative;
  background: #ffffff;
  width: 100%;
  max-width: 450px;
  border-radius: 20px;
  box-shadow: 0 25px 60px -10px rgba(128, 0, 32, 0.35), 0 16px 28px -6px rgba(0, 0, 0, 0.15);
  border: 2px solid rgba(128, 0, 32, 0.18);
  overflow: hidden;
  animation: hackhubModalBoxPop 0.38s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  font-family: var(--font-family);
}

.hackhub-dialog-topbar {
  height: 5px;
  background: linear-gradient(90deg, #800020 0%, #9e1b32 50%, #800020 100%);
  background-size: 200% 100%;
  animation: hackhubShimmer 3s infinite linear;
}

.hackhub-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px 20px;
  background: linear-gradient(180deg, rgba(128, 0, 32, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
  border-bottom: 1px solid rgba(128, 0, 32, 0.08);
}

.hackhub-dialog-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hackhub-dialog-logo-frame {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid rgba(128, 0, 32, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(128, 0, 32, 0.2);
  animation: hackhubLogoPulse 2.5s infinite ease-in-out;
}

.hackhub-dialog-logo-frame img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 50%;
}

.hackhub-dialog-pill {
  background: #800020;
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 6px;
  display: inline-block;
}

.hackhub-dialog-header-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-top: 2px;
}

.hackhub-dialog-close {
  background: transparent;
  border: none;
  font-size: 1.35rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  line-height: 1;
  transition: all 0.2s;
}

.hackhub-dialog-close:hover {
  background: rgba(128, 0, 32, 0.08);
  color: var(--accent-maroon);
}

.hackhub-dialog-body {
  padding: 22px 20px 16px 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.hackhub-dialog-hero-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(128, 0, 32, 0.12), rgba(158, 27, 50, 0.06));
  border: 1px solid rgba(128, 0, 32, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.hackhub-dialog-content {
  flex: 1;
}

.hackhub-dialog-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: #800020;
  margin: 0 0 6px 0;
  line-height: 1.35;
}

.hackhub-dialog-message {
  font-size: 0.88rem;
  color: #334155;
  line-height: 1.5;
  margin: 0;
}

.hackhub-dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px 18px 20px;
  background: rgba(128, 0, 32, 0.02);
  border-top: 1px solid rgba(128, 0, 32, 0.06);
}

.hackhub-dialog-btn-cancel {
  background: #ffffff;
  color: #475569;
  border: 1.5px solid #cbd5e1;
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.hackhub-dialog-btn-cancel:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  color: #1e293b;
}

.hackhub-dialog-btn-confirm {
  background: linear-gradient(135deg, #800020 0%, #9e1b32 100%);
  color: #ffffff;
  border: none;
  padding: 8px 20px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(128, 0, 32, 0.35);
  transition: all 0.2s;
}

.hackhub-dialog-btn-confirm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(128, 0, 32, 0.45);
  background: linear-gradient(135deg, #5c0017 0%, #800020 100%);
}

.hackhub-dialog-btn-confirm.danger {
  background: linear-gradient(135deg, #b91c1c 0%, #dc2626 100%);
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
}

.hackhub-dialog-btn-confirm.danger:hover {
  background: linear-gradient(135deg, #991b1b 0%, #b91c1c 100%);
  box-shadow: 0 6px 18px rgba(220, 38, 38, 0.45);
}

/* ============================================================
   UNIVERSAL AUTOFIT RESPONSIVE SYSTEM FOR ALL DEVICES
   ============================================================ */

/* --- Ultra-Wide Monitors & 4K Displays (> 1400px) --- */
@media (min-width: 1400px) {
  .events-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
  }
}

/* --- Laptops & iPads in Landscape (1025px - 1399px) --- */
@media (max-width: 1399px) and (min-width: 1025px) {
  .container {
    max-width: 1140px;
  }
  .events-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

/* --- Tablets & iPad Portrait (769px - 1024px) --- */
@media (max-width: 1024px) and (min-width: 769px) {
  .container {
    padding-left: max(20px, var(--safe-left));
    padding-right: max(20px, var(--safe-right));
  }

  .nav-links {
    gap: 12px;
  }

  .nav-item {
    padding: 6px 10px;
    font-size: 0.88rem;
  }

  .events-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
  }

  .admin-search-input {
    max-width: 220px;
  }
}

/* --- Mobile Portrait & Landscape (max-width: 768px) --- */
@media (max-width: 768px) {
  /* Body & Insets */
  body {
    padding-bottom: calc(82px + var(--safe-bottom));
    font-size: 15px;
  }

  /* Header */
  .header {
    padding: 10px max(12px, var(--safe-right)) 10px max(12px, var(--safe-left));
  }

  .header-content {
    gap: 8px;
  }

  .logo > div {
    display: none;
  }

  .brand-logo-img {
    width: 32px;
    height: 32px;
  }

  .logo-badge {
    font-size: 0.75rem;
    padding: 5px 10px;
  }

  .nav-links {
    display: none;
  }

  /* Mobile Touch Navigation Tab Pills Bar (Shown ONLY on Mobile < 768px) */
  .mobile-tab-bar {
    display: flex !important;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    white-space: nowrap;
    padding: 8px 4px 12px 4px;
    margin-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .mobile-tab-bar::-webkit-scrollbar {
    display: none;
  }

  .mobile-tab-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 0 0 auto;
    height: 36px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1;
    box-sizing: border-box;
  }

  .mobile-tab-pill.active, .mobile-tab-pill:hover {
    background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(128, 0, 32, 0.25);
  }

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

  .user-badge {
    padding: 5px 10px;
    font-size: 0.78rem;
    gap: 6px;
  }

  .user-avatar {
    width: 24px;
    height: 24px;
    font-size: 0.65rem;
  }

  /* Search & Filter Bar */
  .search-filter-bar {
    margin: 12px 0;
    gap: 8px;
    position: sticky;
    top: 52px;
    z-index: 50;
    background: var(--bg-dark);
    padding: 8px 0 4px;
  }

  .search-input-group input {
    padding: 12px 14px 12px 40px;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
  }

  .search-icon {
    left: 12px;
    font-size: 1rem;
  }

  .filters-row {
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .filters-row::-webkit-scrollbar {
    display: none;
  }

  .select-filter {
    font-size: 0.8rem;
    padding: 7px 12px;
    white-space: nowrap;
    flex-shrink: 0;
    border-radius: 20px;
  }

  /* Admin Utilities & Subtabs Mobile Autofit */
  .admin-search-input {
    max-width: 100%;
    width: 100%;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .admin-subtabs-bar {
    gap: 6px;
    padding: 4px 2px 10px 2px;
    margin-bottom: 16px;
  }

  .admin-subtab-btn {
    font-size: 0.78rem !important;
    padding: 6px 12px !important;
    height: 32px;
  }

  /* Admin Stats Grid 2-column compact mobile layout */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px;
    margin-bottom: 16px;
  }

  .stat-card {
    padding: 12px 14px;
  }

  .stat-number {
    font-size: 1.45rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  /* Events Grid */
  .events-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
    gap: 14px;
    margin-top: 12px;
  }

  .poster-wrapper {
    height: 160px;
  }

  .event-card-body {
    padding: 14px;
    gap: 8px;
  }

  .event-title {
    font-size: 1.05rem;
  }

  .event-description {
    font-size: 0.85rem;
  }

  .event-meta {
    font-size: 0.78rem;
    gap: 8px;
  }

  .event-card-footer {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
  }

  .event-card-footer .btn {
    font-size: 0.78rem;
    padding: 6px 10px;
  }

  /* Home Banner */
  #view-home > div:first-child {
    padding: 18px 16px;
    border-radius: var(--radius-sm);
  }

  #view-home h1 {
    font-size: 1.25rem !important;
  }

  #view-home p {
    font-size: 0.88rem !important;
  }

  #view-home > div:first-child > div {
    flex-direction: column;
    gap: 8px;
  }

  #view-home > div:first-child > div .btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
  }

  /* Bottom Navigation — Clean 5-Tab Mobile Bar */
  .bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 6px var(--safe-right) calc(8px + var(--safe-bottom)) var(--safe-left);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
  }

  .bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 4px 0;
    min-height: 48px;
    text-decoration: none;
    transition: all 0.2s ease;
  }

  .bottom-nav-item .icon {
    font-size: 1.25rem;
    line-height: 1;
  }

  .bottom-nav-item.active {
    color: var(--accent-maroon);
    font-weight: 700;
  }

  .bottom-nav-post {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--accent-maroon), var(--accent-maroon-light));
    border-radius: 20px;
    padding: 4px 10px;
    margin: -8px 2px 0 2px;
    box-shadow: 0 4px 14px rgba(128, 0, 32, 0.4);
    min-height: 44px;
  }

  .bottom-nav-post .icon {
    font-size: 1.3rem;
  }

  /* FAB Button — Hidden when bottom nav post button is present */
  .fab-post {
    display: none !important;
  }

  /* Modals — Bottom Sheet on Mobile */
  .modal-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .modal-box {
    max-width: 100%;
    width: 100%;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    max-height: calc(92vh - var(--safe-top));
    padding: 20px 16px calc(24px + var(--safe-bottom)) 16px;
  }

  .modal-title {
    font-size: 1.1rem;
  }

  /* Forms iOS Autofit */
  .form-input,
  .form-textarea,
  .form-select {
    font-size: 16px;
    padding: 12px;
    border-radius: var(--radius-sm);
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .form-label {
    font-size: 0.82rem;
  }

  /* Buttons */
  .btn {
    padding: 10px 16px;
    font-size: 0.88rem;
    touch-action: manipulation;
  }

  .btn-sm {
    padding: 7px 12px;
    font-size: 0.78rem;
  }

  /* Table Touch Scroll Hints */
  .table-responsive {
    border-radius: var(--radius-sm);
    box-shadow: inset -10px 0 8px -8px rgba(0, 0, 0, 0.08);
  }

  /* Calendar */
  .calendar-container {
    padding: 12px 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .calendar-header h2 {
    font-size: 1rem !important;
  }

  .calendar-grid {
    gap: 2px;
  }

  .calendar-day {
    min-height: 50px;
    padding: 3px;
    font-size: 0.7rem;
  }
}

/* --- Compact Mobile Devices & Narrow Screens (max-width: 480px) --- */
@media (max-width: 480px) {
  .events-grid {
    grid-template-columns: 1fr;
  }

  .mobile-tab-pill {
    font-size: 0.8rem;
    padding: 0 11px;
    height: 33px;
  }

  .admin-subtab-btn {
    font-size: 0.75rem !important;
    padding: 5px 10px !important;
    height: 30px;
  }

  .stat-card {
    padding: 10px 12px;
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 0.72rem;
  }

  .toast-container {
    left: 12px;
    right: 12px;
    top: 12px;
  }

  .toast {
    font-size: 0.82rem;
    padding: 10px 14px;
  }
}

/* --- Micro Devices & Outer Foldables (max-width: 360px) --- */
@media (max-width: 360px) {
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }

  .brand-logo-img {
    width: 26px;
    height: 26px;
  }

  .logo-badge {
    font-size: 0.7rem;
    padding: 4px 6px;
  }

  .user-badge span {
    font-size: 0.72rem;
  }

  .mobile-tab-pill {
    font-size: 0.75rem;
    padding: 0 9px;
    height: 30px;
  }

  .admin-subtab-btn {
    font-size: 0.72rem !important;
    padding: 4px 8px !important;
    height: 28px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 6px;
  }

  .stat-card {
    padding: 8px;
  }

  .stat-number {
    font-size: 1.2rem;
  }

  .stat-label {
    font-size: 0.68rem;
  }

  .bottom-nav-item span:not(.icon) {
    font-size: 0.55rem;
  }

  .fab-post {
    width: 46px;
    height: 46px;
    font-size: 1.3rem;
  }
}

/* Live 24/7 Admin Sync Animations */
@keyframes hackhubPulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); opacity: 0.8; }
  70% { transform: scale(1.2); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); opacity: 1; }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); opacity: 0.8; }
}

.stat-updated-pulse {
  animation: hackhubStatHighlight 0.8s ease;
}

@keyframes hackhubStatHighlight {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); color: #059669 !important; }
  100% { transform: scale(1); }
}