/* ═══════════════════════════════════════════
   HEADER — Top Navigation
   ═══════════════════════════════════════════ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(18, 21, 23, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.logo-icon::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.2) 50%, transparent 60%);
  animation: shimmer 3s ease-in-out infinite;
}

.logo-icon svg {
  width: 20px;
  height: 20px;
  fill: white;
  position: relative;
  z-index: 1;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: 3px;
  color: var(--text-primary);
  line-height: 1;
}

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

/* Search */
.search-bar {
  flex: 1;
  max-width: 520px;
  margin: 0 auto;
  position: relative;
}

.search-bar input {
  width: 100%;
  height: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0 44px 0 18px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
  transition: border var(--transition), background var(--transition);
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-bar input:focus {
  border-color: var(--accent);
  background: var(--bg-card);
}

.search-bar .search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Header Nav */
.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.header-nav a {
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  transition: all var(--transition);
}

.header-nav a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.header-nav a.active {
  color: var(--accent);
}

/* Live Badge */
.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: rgba(229, 57, 53, 0.12);
  border: 1px solid rgba(229, 57, 53, 0.25);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--live);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition);
}

.live-badge:hover {
  background: rgba(229, 57, 53, 0.2);
}

.live-dot {
  width: 7px;
  height: 7px;
  background: var(--live);
  border-radius: 50%;
  animation: pulse-live 1.5s ease-in-out infinite;
}

/* Sign In */
.btn-signin {
  padding: 8px 20px;
  background: var(--accent);
  color: white;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-signin:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
  color: #fff;
}