/* Global Design System & Variables */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  /* Dark Theme Palette (Heritage Navy) */
  --bg-main: #0b1320;
  --bg-surface: rgba(30, 41, 59, 0.5);
  --bg-surface-hover: rgba(30, 41, 59, 0.7);
  --bg-card: rgba(15, 23, 42, 0.6);
  --border-color: rgba(212, 175, 55, 0.25);
  --border-color-hover: rgba(212, 175, 55, 0.45);
  
  /* Brand/Accent Colors (Gold) */
  --accent: #d4af37;
  --accent-glow: rgba(212, 175, 55, 0.35);
  --accent-muted: #b5952f;
  --accent-dim: rgba(212, 175, 55, 0.08);

  /* Contrast Accent (Cream for Graphs) */
  --accent-contrast: #f8f6f0;
  --accent-contrast-glow: rgba(248, 246, 240, 0.5);
  
  /* Status Colors */
  --success: #00e676;
  --warning: #ff9100;
  --error: #ff1744;
  --info: #ffb300;
  
  /* Text Colors (Cream) */
  --text-primary: #f8f6f0;
  --text-secondary: #e2dfd2;
  --text-muted: #b5b1a5;
  --text-on-accent: #0b1320;

  /* Font Families */
  --font-display: 'Outfit', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Layout Variables */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glow-shadow: 0 0 15px rgba(0, 195, 255, 0.15);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 14px;
  height: 14px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 7px;
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 7px;
  border: 2px solid rgba(11, 19, 32, 0.9); /* Adds a navy border so it doesn't look too chunky */
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-glow);
}
::-webkit-scrollbar-corner {
  background: transparent;
}

/* Atmospheric Background Blur Nodes */
body::before, body::after {
  content: '';
  position: absolute;
  width: 40vw;
  height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
}

body::before {
  top: -10vw;
  right: -10vw;
}

body::after {
  bottom: -10vw;
  left: -10vw;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

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

a:hover {
  text-shadow: 0 0 8px var(--accent-glow);
}

/* Glassmorphism Styles */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--glass-shadow), var(--glow-shadow);
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-color-hover);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25), var(--glow-shadow);
}

/* Form Styles */
input, select, textarea {
  width: 100%;
  background: rgba(10, 15, 30, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  background: rgba(10, 15, 30, 0.85);
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  gap: 0.5rem;
}

.btn-primary {
  background: var(--accent);
  color: var(--text-on-accent);
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-contrast);
  box-shadow: 0 6px 20px var(--accent-contrast-glow);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-color-hover);
}

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

.btn-outline:hover {
  background: transparent;
  color: var(--accent-contrast);
  border-color: var(--accent-contrast);
  text-shadow: 0 0 8px var(--accent-contrast-glow);
}

.btn-danger {
  background: var(--error);
  color: white;
  box-shadow: 0 4px 14px rgba(255, 23, 68, 0.35);
}

.btn-danger:hover {
  background: #ff4d6d;
  box-shadow: 0 6px 20px rgba(255, 23, 68, 0.55);
}

/* Utility Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 15px rgba(0, 195, 255, 0.15); }
  50% { box-shadow: 0 0 25px rgba(0, 195, 255, 0.35); }
}

.animate-fade-in {
  animation: fadeIn var(--transition-normal) forwards;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-pending {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-approved {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
}

.badge-admin {
  background: var(--accent-contrast-glow);
  color: var(--accent-contrast);
  border: 1px solid var(--accent-contrast);
}

/* Navigation Layout */
header {
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 2rem;
  background: rgba(10, 15, 30, 0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.logo span {
  color: var(--accent);
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.spotlight-card {
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.spotlight-card:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.nav-link {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent);
}

.nav-link.locked {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: auto;
}

.nav-link.locked:hover {
  color: var(--text-secondary);
}

.nav-link.locked::after {
  display: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Responsive grid layout */
main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  min-height: calc(100vh - 200px);
}

.container {
  display: none; /* Controlled by JS tabs */
  animation: fadeIn var(--transition-normal) ease;
}

.container.active {
  display: block;
}

/* Footer styling */
footer {
  border-top: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  text-align: center;
  background: rgba(5, 7, 15, 0.9);
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
}

/* Fix select option background */
select option {
  background-color: var(--bg-main);
  color: var(--text-primary);
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-menu {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
  }

  #auth-header-block {
    width: 100%;
    justify-content: center;
  }

  main {
    padding: 0 0.75rem;
  }

  /* Stack all 2-column grids vertically on mobile */
  #tab-home > div,
  #tab-search > div:last-child,
  #tab-admin > div {
    grid-template-columns: 1fr !important;
  }

  /* Stack search filters vertically */
  #tab-search .glass-panel:first-child {
    grid-template-columns: 1fr !important;
  }

  /* Stats grid */
  #tab-stats > div:nth-child(2) {
    grid-template-columns: 1fr !important;
  }

  /* Profile panel sticky off on mobile */
  #person-profile-panel {
    position: static !important;
  }

  #auth-panel {
    position: static !important;
  }
}