/* ============================================================
   SkillEdge Refer & Earn — Master Stylesheet
   Theme: Dark Neon Cyber — Glassmorphism + Animated UI
   Fonts: Orbitron (headings) + Exo 2 (body)
   ============================================================ */

/* ---------- CSS VARIABLES (Design Tokens) ---------- */
:root {
  --bg-dark:       #050914;
  --bg-mid:        #0a1128;
  --bg-card:       rgba(255,255,255,0.04);
  --glass-border:  rgba(255,255,255,0.10);
  --glass-shadow:  0 8px 32px rgba(0,0,0,0.5);

  --neon-blue:     #00d4ff;
  --neon-purple:   #a855f7;
  --neon-pink:     #f472b6;
  --neon-green:    #22d3a4;
  --neon-gold:     #fbbf24;
  --neon-orange:   #fb923c;

  --text-primary:  #f0f4ff;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  --rank1-color:   #fbbf24; /* gold */
  --rank2-color:   #94a3b8; /* silver */
  --rank3-color:   #fb923c; /* bronze */

  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     32px;

  --transition:    0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---------- RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Exo 2', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ---------- PARTICLE CANVAS (background) ---------- */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* All main content sits above canvas */
nav, header, main, footer, .login-overlay { position: relative; z-index: 1; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--neon-purple); border-radius: 3px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: rgba(5,9,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon { font-size: 1.4rem; }
.logo-accent { color: var(--neon-blue); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
  font-family: 'Exo 2', sans-serif;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-blue);
  border-color: var(--neon-blue);
  background: rgba(0,212,255,0.08);
}

.admin-btn {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  color: white !important;
  border: none !important;
}
.admin-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--neon-blue);
  border-radius: 2px;
  transition: var(--transition);
}

/* ============================================================
   HERO / HEADER
   ============================================================ */
.hero {
  text-align: center;
  padding: 60px 24px 40px;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(168,85,247,0.15) 0%, transparent 70%);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(34,211,164,0.12);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 24px;
  animation: pulseGlow 2s ease-in-out infinite;
}

.live-dot {
  width: 8px; height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  0%,100% { opacity: 1; } 50% { opacity: 0.2; }
}
@keyframes pulseGlow {
  0%,100% { box-shadow: 0 0 8px rgba(34,211,164,0.3); }
  50% { box-shadow: 0 0 20px rgba(34,211,164,0.6); }
}

.hero-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.7;
}

.highlight {
  color: var(--neon-gold);
  font-weight: 600;
}

/* Campaign Banner */
.campaign-banner {
  display: inline-block;
  background: linear-gradient(135deg, rgba(251,191,36,0.15), rgba(251,146,60,0.15));
  border: 1px solid var(--neon-gold);
  color: var(--neon-gold);
  padding: 10px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 36px;
}

.countdown {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  color: var(--neon-orange);
  letter-spacing: 2px;
}

/* Controls Bar (search + filters) */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  max-width: 700px;
  margin: 0 auto;
}

.search-input, .filter-select {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: 'Exo 2', sans-serif;
  outline: none;
  transition: var(--transition);
}

.search-input { flex: 1; min-width: 200px; }
.filter-select { cursor: pointer; }
.filter-select option { background: var(--bg-mid); }

.search-input:focus, .filter-select:focus {
  border-color: var(--neon-blue);
  box-shadow: 0 0 12px rgba(0,212,255,0.2);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

/* Section Titles */
.section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 32px;
}

/* ============================================================
   GLASSMORPHISM CARD BASE
   ============================================================ */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* ============================================================
   PODIUM — TOP 3
   ============================================================ */
.podium-section { margin-bottom: 60px; }

.podium-grid {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 20px;
  margin-top: 32px;
  flex-wrap: wrap;
}

/* Individual podium card */
.podium-card {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  padding: 28px 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: default;
  overflow: hidden;
}

.podium-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  z-index: 0;
}

.podium-card > * { position: relative; z-index: 1; }

/* Rank-specific glow colors */
.rank-1 {
  border: 2px solid var(--rank1-color);
  box-shadow: 0 0 30px rgba(251,191,36,0.3), 0 8px 32px rgba(0,0,0,0.5);
  animation: floatCard 3s ease-in-out infinite;
}
.rank-2 {
  border: 2px solid var(--rank2-color);
  box-shadow: 0 0 20px rgba(148,163,184,0.25), 0 8px 32px rgba(0,0,0,0.5);
}
.rank-3 {
  border: 2px solid var(--rank3-color);
  box-shadow: 0 0 20px rgba(251,146,60,0.25), 0 8px 32px rgba(0,0,0,0.5);
}

/* Glowing border animation for rank 1 */
.rank-1::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-lg) + 2px);
  background: linear-gradient(135deg, var(--rank1-color), var(--neon-orange), var(--rank1-color));
  background-size: 300% 300%;
  z-index: -1;
  animation: glowBorder 3s linear infinite;
  opacity: 0.6;
}

@keyframes glowBorder {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes floatCard {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

.podium-card:hover { transform: translateY(-6px) scale(1.02); }
.rank-1:hover { animation: none; transform: translateY(-10px) scale(1.04); }

/* Height ranking (visual podium effect) */
.rank-1 { order: 2; margin-bottom: 0; }
.rank-2 { order: 1; margin-bottom: -20px; }
.rank-3 { order: 3; margin-bottom: -20px; }

.podium-trophy {
  font-size: 2.5rem;
  margin-bottom: 8px;
  display: block;
  filter: drop-shadow(0 0 10px currentColor);
}

.podium-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
  display: block;
  border: 3px solid;
}
.rank-1 .podium-avatar { border-color: var(--rank1-color); box-shadow: 0 0 16px rgba(251,191,36,0.5); }
.rank-2 .podium-avatar { border-color: var(--rank2-color); }
.rank-3 .podium-avatar { border-color: var(--rank3-color); }

/* Avatar fallback (initials) */
.avatar-fallback {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto 12px;
  border: 3px solid;
}
.rank-1 .avatar-fallback { background: linear-gradient(135deg,#92400e,#fbbf24); border-color:var(--rank1-color); box-shadow:0 0 16px rgba(251,191,36,0.5); color:#fff; }
.rank-2 .avatar-fallback { background: linear-gradient(135deg,#1e293b,#94a3b8); border-color:var(--rank2-color); color:#fff; }
.rank-3 .avatar-fallback { background: linear-gradient(135deg,#7c2d12,#fb923c); border-color:var(--rank3-color); color:#fff; }

.podium-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.podium-referrals {
  font-size: 1.8rem;
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  margin: 8px 0 4px;
}
.rank-1 .podium-referrals { color: var(--rank1-color); }
.rank-2 .podium-referrals { color: var(--rank2-color); }
.rank-3 .podium-referrals { color: var(--rank3-color); }

.podium-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.podium-reward {
  margin-top: 12px;
  font-size: 0.82rem;
  padding: 5px 14px;
  border-radius: 50px;
  display: inline-block;
  font-weight: 600;
}
.rank-1 .podium-reward { background:rgba(251,191,36,0.15); color:var(--rank1-color); border:1px solid var(--rank1-color); }
.rank-2 .podium-reward { background:rgba(148,163,184,0.15); color:var(--rank2-color); border:1px solid var(--rank2-color); }
.rank-3 .podium-reward { background:rgba(251,146,60,0.15); color:var(--rank3-color); border:1px solid var(--rank3-color); }

/* ============================================================
   LEADERBOARD TABLE
   ============================================================ */
.leaderboard-section { margin-bottom: 64px; }

.leaderboard-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  box-shadow: var(--glass-shadow);
  margin-top: 28px;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.leaderboard-table thead {
  background: rgba(168,85,247,0.12);
  border-bottom: 1px solid var(--glass-border);
}

.leaderboard-table th {
  padding: 16px 20px;
  font-family: 'Orbitron', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--neon-purple);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: left;
}

.leaderboard-table td {
  padding: 14px 20px;
  font-size: 0.9rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: middle;
}

.leaderboard-table tbody tr {
  transition: background var(--transition);
}
.leaderboard-table tbody tr:hover {
  background: rgba(0,212,255,0.05);
}

/* Rank badge cell */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
}
.rank-badge.gold   { background:rgba(251,191,36,0.2); color:var(--rank1-color); border:2px solid var(--rank1-color); }
.rank-badge.silver { background:rgba(148,163,184,0.2); color:var(--rank2-color); border:2px solid var(--rank2-color); }
.rank-badge.bronze { background:rgba(251,146,60,0.2); color:var(--rank3-color); border:2px solid var(--rank3-color); }
.rank-badge.normal { background:rgba(255,255,255,0.06); color:var(--text-secondary); border:1px solid var(--glass-border); }

/* Student cell with mini-avatar */
.student-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mini-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--glass-border);
  flex-shrink: 0;
}

.mini-avatar-fallback {
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: white;
  flex-shrink: 0;
  border: 2px solid var(--glass-border);
}

.student-info { display: flex; flex-direction: column; gap: 2px; }
.student-name-text { font-weight: 600; font-size: 0.9rem; }
.student-course { font-size: 0.75rem; color: var(--neon-blue); }

/* Progress bar */
.progress-container {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 140px;
}
.progress-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  transition: width 1s cubic-bezier(0.4,0,0.2,1);
}
.progress-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Reward tag */
.reward-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(168,85,247,0.15);
  color: var(--neon-purple);
  border: 1px solid rgba(168,85,247,0.3);
}

/* Referral count */
.ref-count {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon-green);
}

/* ============================================================
   REWARDS SECTION
   ============================================================ */
.rewards-section { margin-bottom: 64px; }

.rewards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.reward-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.reward-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(168,85,247,0.2);
  border-color: var(--neon-purple);
}

.featured-reward {
  border-color: var(--neon-gold);
  box-shadow: 0 0 24px rgba(251,191,36,0.2);
}
.featured-reward:hover { box-shadow: 0 20px 40px rgba(251,191,36,0.3); border-color: var(--neon-gold); }

.reward-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: var(--neon-gold);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  letter-spacing: 1px;
}

.reward-icon { font-size: 2.8rem; margin-bottom: 12px; display: block; }
.reward-count { font-family: 'Orbitron', sans-serif; font-size: 0.8rem; color: var(--neon-blue); font-weight: 700; letter-spacing: 1px; margin-bottom: 6px; }
.reward-name { font-size: 1.05rem; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.reward-value { font-size: 0.85rem; color: var(--neon-green); font-weight: 600; }

/* ============================================================
   BADGES SECTION
   ============================================================ */
.badges-section { margin-bottom: 60px; }

.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 32px;
}

.badge-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(20px);
}
.badge-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.4);
}

.badge-icon { font-size: 2.4rem; display: block; margin-bottom: 10px; }
.badge-title { font-family: 'Orbitron', sans-serif; font-size: 0.85rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.badge-holder { font-size: 0.9rem; font-weight: 600; color: var(--neon-blue); margin-bottom: 4px; }
.badge-desc { font-size: 0.78rem; color: var(--text-muted); }

/* Badge color variants */
.badge-gold   { border-color: var(--rank1-color); box-shadow: 0 0 16px rgba(251,191,36,0.15); }
.badge-purple { border-color: var(--neon-purple); box-shadow: 0 0 16px rgba(168,85,247,0.15); }
.badge-green  { border-color: var(--neon-green);  box-shadow: 0 0 16px rgba(34,211,164,0.15); }
.badge-pink   { border-color: var(--neon-pink);   box-shadow: 0 0 16px rgba(244,114,182,0.15); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 24px 28px;
  text-align: center;
  background: rgba(5,9,20,0.9);
}

.footer-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--neon-blue);
  margin-bottom: 8px;
}

.footer-tagline { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }

.footer-courses {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-bottom: 16px;
}
.footer-courses span { color: var(--neon-purple); }

.footer-copy { color: var(--text-muted); font-size: 0.78rem; }

/* ============================================================
   LOADING ANIMATION
   ============================================================ */
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 12px;
  color: var(--text-secondary);
}

.spinner-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--neon-blue);
  animation: spinDot 1.2s ease-in-out infinite;
}
.spinner-dot:nth-child(2) { background: var(--neon-purple); animation-delay: 0.2s; }
.spinner-dot:nth-child(3) { background: var(--neon-pink);   animation-delay: 0.4s; }

@keyframes spinDot {
  0%,80%,100% { transform: scale(0.6); opacity: 0.4; }
  40%          { transform: scale(1.2); opacity: 1; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 12px; display: block; }

/* ============================================================
   ADMIN PAGE STYLES
   ============================================================ */
.admin-body { background-color: var(--bg-dark); }

/* Login Overlay */
.login-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5,9,20,0.95);
  backdrop-filter: blur(12px);
  z-index: 200;
  padding: 20px;
}

.login-card {
  max-width: 420px;
  width: 100%;
  padding: 44px 40px;
  text-align: center;
}

.login-icon { font-size: 3rem; margin-bottom: 16px; display: block; }
.login-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.login-sub { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }

.login-error {
  background: rgba(244,63,94,0.12);
  border: 1px solid rgba(244,63,94,0.4);
  color: #f87171;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.back-link {
  display: block;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color var(--transition);
}
.back-link:hover { color: var(--neon-blue); }

/* Admin Layout */
.admin-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 60px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

/* Stat Cards */
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.stat-card {
  padding: 24px 20px;
  text-align: center;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-4px); }

.stat-icon { font-size: 2rem; margin-bottom: 8px; display: block; }
.stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--neon-blue);
  margin-bottom: 4px;
}
.stat-label { font-size: 0.82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* Admin Form */
.admin-form-section { padding: 32px; }

.admin-section-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.admin-input {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: 'Exo 2', sans-serif;
  outline: none;
  transition: var(--transition);
  width: 100%;
}
.admin-input:focus {
  border-color: var(--neon-blue);
  box-shadow: 0 0 12px rgba(0,212,255,0.2);
}
.admin-input.small { width: auto; }

select.admin-input option { background: var(--bg-mid); }

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

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  color: white;
  border: none;
  padding: 11px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Exo 2', sans-serif;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,212,255,0.3); }

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  padding: 11px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'Exo 2', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--neon-blue); color: var(--neon-blue); }

.btn-danger {
  background: rgba(244,63,94,0.12);
  color: #f87171;
  border: 1px solid rgba(244,63,94,0.3);
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: 'Exo 2', sans-serif;
  cursor: pointer;
  transition: var(--transition);
}
.btn-danger:hover { background: rgba(244,63,94,0.2); }

.btn-edit, .btn-del {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Exo 2', sans-serif;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}
.btn-edit { background: rgba(0,212,255,0.12); color: var(--neon-blue); border: 1px solid rgba(0,212,255,0.3); }
.btn-edit:hover { background: rgba(0,212,255,0.22); }
.btn-del  { background: rgba(244,63,94,0.12); color: #f87171; border: 1px solid rgba(244,63,94,0.3); }
.btn-del:hover  { background: rgba(244,63,94,0.22); }

/* Admin Table */
.admin-table-section { padding: 32px; }
.admin-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.admin-search-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.admin-table-wrapper { overflow-x: auto; }

/* Notification toast */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background: rgba(34,211,164,0.15);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  z-index: 999;
  animation: slideInToast 0.3s ease, fadeOutToast 0.4s ease 2s forwards;
}

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOutToast {
  from { opacity: 1; } to { opacity: 0; }
}

/* ============================================================
   COUNTER ANIMATION UTILITY
   ============================================================ */
.counter-animated { display: inline-block; }

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .navbar { padding: 14px 20px; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 65px; left: 0; right: 0;
    background: rgba(5,9,20,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 20px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }

  .hamburger { display: flex; }

  .hero { padding: 40px 16px 32px; }

  /* Podium stacks vertically on mobile */
  .podium-grid { flex-direction: column; align-items: center; }
  .podium-card { max-width: 100%; width: 100%; order: unset !important; margin-bottom: 0 !important; }
  .rank-1 { order: unset !important; }

  .controls-bar { flex-direction: column; }
  .search-input { min-width: unset; width: 100%; }
  .filter-select { width: 100%; }

  .main-content { padding: 24px 16px 40px; }

  .rewards-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  .login-card { padding: 32px 24px; }

  .admin-main { padding: 24px 16px 40px; }
  .admin-form-section, .admin-table-section { padding: 20px; }
  .form-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; text-align: center; }

  .admin-table-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .rewards-grid { grid-template-columns: 1fr; }
  .badges-grid  { grid-template-columns: 1fr; }
}