.tactical-bg {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
  position: relative;
}
.tactical-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    radial-gradient(circle at 25% 25%, #1e40af 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, #1e3a8a 0%, transparent 50%);
  opacity: 0.1;
}
.grid-overlay {
  background-image:
    linear-gradient(rgba(30, 64, 175, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 64, 175, 0.1) 1px, transparent 1px);
  background-size: 20px 20px;
}
.login-container {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(30, 64, 175, 0.3);
  backdrop-filter: blur(10px);
}
.input-field {
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid rgba(71, 85, 105, 0.5);
  color: #e2e8f0;
  transition: all 0.3s ease;
}
.input-field:focus {
  background: rgba(30, 41, 59, 0.9);
  border-color: #3b82f6;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  outline: none;
}
.input-field::placeholder {
  color: #94a3b8;
}
.login-btn {
  background: linear-gradient(135deg, #1e40af, #1e3a8a);
  border: 1px solid rgba(59, 130, 246, 0.5);
  transition: all 0.3s ease;
}
.login-btn:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.4);
  transform: translateY(-1px);
}
.status-indicator {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.classification-banner {
  background: linear-gradient(90deg, #dc2626, #b91c1c);
  color: white;
  font-weight: 600;
  text-align: center;
  padding: 4px 0;
  font-size: 12px;
  letter-spacing: 1px;
}
.logo-container {
  position: relative;
  overflow: hidden;
}
.logo-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.3);
  z-index: 1;
}
.security-badge {
  background: rgba(30, 64, 175, 0.1);
  border: 1px solid rgba(30, 64, 175, 0.3);
  backdrop-filter: blur(5px);
}
.mono-font {
  font-family: 'JetBrains Mono', monospace;
}
.scan-line {
  position: absolute;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #3b82f6, transparent);
  animation: scan 3s linear infinite;
}
@keyframes scan {
  0% { top: 0; opacity: 1; }
  50% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
/* Light login theme to match reference UI */
.login-light.tactical-bg {
  background: #dbeafe;
}

.login-light.tactical-bg::before {
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.18) 1px, transparent 1px);
  opacity: 1;
}

.login-light .grid-overlay {
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.18) 1px, transparent 1px);
}

.login-light .login-container {
  background: #ffffff;
  border: 1px solid rgba(59, 130, 246, 0.3);
  box-shadow: 0 12px 30px rgba(30, 64, 175, 0.18);
}

.login-light .input-field {
  background: #e8f0ff;
  border: 1px solid rgba(59, 130, 246, 0.35);
  color: #1e3a8a;
}

.login-light .input-field:focus {
  background: #ffffff;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.login-light .input-field::placeholder {
  color: #7c93c7;
}

.login-light .login-btn {
  background: linear-gradient(135deg, #1d4ed8, #1e3a8a);
  border: 1px solid rgba(37, 99, 235, 0.6);
  color: #ffffff;
}

.login-light .login-btn:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  box-shadow: 0 6px 16px rgba(30, 64, 175, 0.35);
}

.login-light .logo-container::before {
  background: rgba(255, 255, 255, 0.08);
}

.login-light .security-badge {
  background: #eef4ff;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.login-light .text-white {
  color: #1e3a8a !important;
}

.login-light .text-slate-400 {
  color: #3b6ab8 !important;
}

.login-light .text-slate-300 {
  color: #2b4a8b !important;
}