/* ===== VEBP Design System ===== */

/* Google Fonts - Bebas Neue for punky condensed headings, DM Mono for clean body text */
@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=DM+Mono:wght@400;500&display=swap');

/* CSS Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-surface: rgba(18, 18, 18, 0.85);
  --bg-card: rgba(25, 25, 25, 0.9);
  --accent: #e63946;
  --accent-hover: #ff2d55;
  --accent-glow: rgba(230, 57, 70, 0.3);
  --text-primary: #f0f0f0;
  --text-secondary: #999;
  --text-muted: #666;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(230, 57, 70, 0.4);
  --glass-blur: blur(12px);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.3s ease;
  --font-heading: 'Bebas Neue', Impact, sans-serif;
  --font-body: 'DM Mono', monospace;
  --nav-height: 64px;
  --footer-height: 48px;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Subtle background noise texture */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ===== NAVIGATION ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-accent);
  z-index: 1500;
  transition: background var(--transition);
}

#navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

#navbar .brand {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

#navbar .brand a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

#navbar .brand a:hover {
  color: var(--accent);
}

#navbar .brand-logo {
  height: 38px;
  width: auto;
  display: block;
  transition: transform 0.2s ease;
}

#navbar .brand a:hover .brand-logo {
  transform: scale(1.08);
}

#nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

#nav-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

#navbar .nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 4px;
}

#navbar .nav-links li a {
  text-decoration: none;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

#navbar .nav-links li a:hover,
#navbar .nav-links li a:focus {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

#navbar .nav-links li a.active {
  color: var(--text-primary);
  background: var(--accent);
}

#navbar .nav-links li a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* ===== FOOTER ===== */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: var(--footer-height);
  background: var(--bg-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--border-subtle);
  z-index: 1500;
  display: flex;
  align-items: center;
  justify-content: center;
}

footer p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

footer a:hover {
  color: var(--accent);
}

footer img {
  height: 16px;
  vertical-align: middle;
  opacity: 0.6;
  transition: opacity var(--transition);
}

footer img:hover {
  opacity: 1;
}

/* ===== COMMON ELEMENTS ===== */

/* Page content wrapper */
.page-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-height);
  padding-bottom: var(--footer-height);
  min-height: 100vh;
}

/* Glass card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.glass-card:hover {
  border-color: var(--border-accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

/* Headings */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-primary);
}

h1 { font-size: 2.5rem; letter-spacing: 2px; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }

/* Links */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-hover);
}

/* Buttons */
.btn-primary {
  padding: 10px 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--accent);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 0 16px var(--accent-glow);
  outline: none;
}

.btn-secondary {
  padding: 10px 20px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--text-secondary);
  outline: none;
}

/* Inputs */
input[type="text"],
input[type="search"],
input[type="date"],
select {
  padding: 10px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="date"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

select option {
  background: #1a1a1a;
  color: var(--text-primary);
}

/* Tooltip */
.tooltip {
  position: absolute;
  padding: 8px 12px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  pointer-events: none;
  white-space: nowrap;
  z-index: 2000;
}

/* Autocomplete */
.autocomplete-container {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.autocomplete-container.visible {
  opacity: 1;
  pointer-events: auto;
}

.autocomplete-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover {
  background: rgba(230, 57, 70, 0.1);
  color: var(--text-primary);
}

/* Help Overlay */
.help-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.help-overlay.visible {
  display: flex;
}

.help-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 560px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
}

.help-content h2 {
  color: var(--accent);
  margin-top: 0;
}

.help-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.help-close:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

/* Loading state */
.loading {
  color: var(--text-muted);
  font-style: italic;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 768px) {
  #nav-toggle {
    display: block;
  }

  #navbar .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: var(--bg-primary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    z-index: 1600;
    display: none;
    padding: 24px;
  }

  #navbar .nav-links.show {
    display: flex;
  }

  #navbar .nav-links li a {
    font-size: 18px;
    padding: 12px 24px;
    width: auto;
    text-align: center;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}